WO2022177013A1 - Placement member, placement platform, placement member set, and placement platform set - Google Patents

Abstract

This placement member is a lid member for use on a box member, wherein the placement member is characterized by comprising: an article placement surface that faces the opposite side from the box member when the placement member is placed on the box member, and on which articles are placed; and an engagement section that is formed on the peripheral edge of the article placement surface and capable of engaging with a connection member for connecting placement members adjacent to each other in a row. In this way, it is possible to provide a placement member that maintains the positions and orientations of adjacent containers relative to each other and that can be used for purposes other than the placement of articles.

Description

Mounting member, mounting table, mounting member set, and mounting table set

The present invention relates to a mounting member, a mounting table, a mounting member set, and a mounting table set used in a box member.

Conventionally, as a lid that covers a substantially rectangular container, for example, a substantially rectangular lid that covers a substantially rectangular container made of plastic has a stepped drop on the reinforced side edges formed on the four sides. A lid surface is formed in the central part, and the reinforced side edge is placed on the upper opening edge of the container so that the falling lid surface is loosely fitted inside the container (for example, Japanese Patent Application Laid-Open No. 2008. -308200) or a lid with recesses formed in the four corners, and when the lid is placed on the lower container and the container of the same shape is stacked on the lid, the protrusion of the upper container is in the recess. A fitting type has been proposed (see, for example, Japanese Utility Model Publication No. 04-015633). With these lids the containers can be stably stacked.

One of the challenges is that when a person collides with one of the multiple containers aligned on the plane, the position and posture of that container and the surrounding containers change. As a result, the alignment state of the container is broken. Although the above conventional lid can stably stack the containers, it cannot stabilize the positions and postures of the containers aligned on the plane. The same is true for box members that may be aligned in planes other than the container. Another problem is that the above-mentioned conventional lid is only useful as a lid, so it is useless for containers that do not require lids.

In view of such circumstances, the present invention provides a placing member, a placing table, and a placing member that can maintain the relative position and posture of adjacent box members and can be used for purposes other than placing articles. It is intended to provide a placing member set and a placing table set. The present invention includes an attempt to solve at least one of the above two problems.

The present invention has been made to solve at least one of the above problems, and a mounting member according to the present invention is a mounting member used for a box member, wherein An article placement surface on which an article is placed, which faces the opposite side of the box member when placed, and the placement members formed on the periphery of the article placement surface and adjacent in parallel are connected to each other. and an engaging portion that can be engaged with the connecting member.

Further, the mounting member of the present invention further includes the connecting member, and the connecting member includes two legs extending on the same side with a predetermined interval therebetween, a connecting portion connecting the two legs, and the engaging portion has an insertion hole into which the leg can be inserted, and when the leg is inserted into each of the insertion holes of the mounting members adjacent in parallel, the leg The mounting members adjacent in parallel are connected to each other by the connecting member by engaging the portion with the insertion hole.

Further, in the mounting member of the present invention, the insertion hole extends in the thickness direction of the mounting member in the vicinity of the outer edge of the mounting member.

Further, in the mounting member of the present invention, the leg and the insertion hole have a connection side lock structure in which the leg is restrained by the insertion hole when the leg is inserted into the insertion hole. characterized by

Further, in the placement member of the present invention, when the coupling member is engaged with the engaging portion, the coupling member is positioned below the article placement surface in the thickness direction of the placement member. and

Further, in the placing member of the present invention, the engaging portion has a recess recessed from the position of the article placement surface in the thickness direction of the placing member, and the recess is configured to accommodate the connecting portion of the connecting member. It is characterized in that the connecting portion has a depth that is positioned below the article placing surface in the thickness direction of the placing member when brought into contact with the innermost surface of the recess.

Further, the placement member of the present invention further comprises a caster attachment structure capable of attaching casters having wheels to the article placement surface or a surface opposite to the article placement surface, wherein the casters are The surface opposite to the mounting surface constitutes a box member mounting surface on which the box member is mounted.

In addition, the mounting member of the present invention is characterized by further comprising a housing portion capable of housing the connecting member so as not to protrude from the surface of the mounting member.

In addition, the placement member of the present invention further includes a housing member which is recessed in the thickness direction of the placement member, and which can accommodate the connecting member from the article placement surface or a surface opposite to the article placement surface. A portion is provided, and the accommodation portion is provided in an area overlapping with an area in which the caster mounting structure is provided.

Further, in the mounting member of the present invention, the accommodation portion has an accommodation side lock structure that restrains the connection member when the connection member is inserted into the accommodation portion.

In addition, the placing member of the present invention further includes a peripheral wall concave portion which is recessed in the thickness direction of the placing member on the side of the article placing surface and into which a peripheral wall member constituting a peripheral wall surrounding the article placing surface can be inserted. The peripheral wall recess is provided so as to surround the article placement surface.

The present invention has been made to solve at least one of the above problems, and the present invention provides a placement member for use in a box member for storing articles, the placement member having a an article placement surface on which an article is placed facing the opposite side of the box member when placed on the box member; and a connecting mechanism for detachably connecting the placing members adjacent in parallel. , is provided.

Further, in the mounting member of the present invention, the connecting mechanism includes a connecting member having two legs extending to the same side with a predetermined interval and a connecting portion connecting the two legs; an engaging portion formed on the mounting member and engaged with the leg portion, and one of the connecting members common to each of the engaging portions of the mounting members paired adjacently in parallel; and the other leg engage with each other to connect the paired mounting members.

SUMMARY OF THE INVENTION The present invention has been made to solve at least one of the above-described problems, and a mounting table according to the present invention includes a first mounting table having a box member and a box member mounting surface on which the box member is mounted. and a second placement member placed on the upper surface of the box member placed on the box member placement surface, wherein the first placement member is placed on the box member placement surface and the box member placement surface. has a caster mounting structure capable of mounting casters having wheels on the opposite surface, and the second mounting member is mounted on the box member when the second mounting member is mounted on the box member and an engaging portion that can be engaged with a connecting member that connects the second placing members that are adjacent to each other in parallel. and

The present invention has been made to solve at least one of the above problems, and a mounting table according to the present invention includes a box member and a first box member mounting surface on which the box member is mounted. A first mounting member, and a second mounting member mounted on the top surface of the box member mounted on the first box member mounting surface, wherein the second mounting member is the second When the placement member is placed on the box member, it has a second article placement surface on which an article is placed facing the opposite side of the box member, and the second The surface opposite to the article placement surface is configured to be a second box member placement surface on which the box member is placed, and the first box member placement surface of the first placement member is The surface on the opposite side is the second article placement on which an article is placed while facing the side opposite to the box member when the first box member placement surface is brought into contact with the upper surface of the box member. It is characterized by being configured to be a plane.

Further, in the mounting table of the present invention, the box member is made of a water absorbing material that absorbs water, and at least the surfaces of the first mounting member and the second mounting member prevent water from entering from the outside. It is characterized by being made of a waterproof material.

SUMMARY OF THE INVENTION The present invention has been made to solve at least one of the above-described problems. In the member set, the first placement member includes a first article placement surface on which an article is placed while facing the opposite side of the box member when the first placement member is placed on the box member. and a first cover portion covering the upper surface of the box member; and a first engaging portion engageable with a connecting member connecting the second mounting members adjacent in parallel; When placed on the box member, the placement member faces the opposite side of the box member and includes a second article placement surface on which an article is placed, thereby covering the upper surface of the box member. a second cover portion; and a second engaging portion engageable with the connecting member that connects the first placing members adjacent in parallel, wherein the first covering portion of the first placing member and the The second cover portion of the second placement member is configured in a rectangular shape, and a short side portion (hereinafter, referred to as a second short side ) is 1 of the length of the long side portion (hereinafter referred to as the first long side portion) forming the long side peripheral edge of the first cover portion of the first placing member. /2, and the length of the long side portion (hereinafter referred to as the second long side portion) that constitutes the long side periphery of the second cover portion constitutes the short side periphery of the first cover portion. and the length of the short side (hereinafter referred to as the first short side).

Further, in the placing member set of the present invention, the first engaging portion is provided on the first short side portion side of the first cover portion, and the second engaging portion is provided on the second cover portion. provided on the second long side so that the two first long sides of the first cover part and the two second short sides of the second cover part are aligned on the same straight line, When the first short side portion of one of the first cover portions and the second long side portion of one of the second cover portions are brought into contact with each other, the first engaging portion and the second engaging portion , are provided at positions facing each other.

Further, in the placing member set of the present invention, the first engaging portion is provided at the center of the first short side portion of the first cover portion, and the second engaging portion is provided at the second cover portion. It is characterized in that it is provided in the center of the second long side portion side of the portion.

Further, in the placing member set of the present invention, the first engaging portion is provided on the first long side portion side of the first cover portion, and the second engaging portion is provided on the second cover portion. provided on the second short side so that the first short side of one of the first cover parts and the second long side of one of the second cover parts are positioned on the same straight line, When the first long side portion of one of the first cover portions and the second short side portion of one of the second cover portions are brought into contact with each other, the first engaging portion and the second engaging portion , are provided at positions facing each other.

Further, in the placing member set of the present invention, the second engaging portion is spaced apart from one end of the second short side portion of one of the second cover portions by a specific length along the second short side portion. The first engaging portion is located at a position spaced apart from one end of one of the first long sides of the first cover portion along the first long side by the same length as the specific length. characterized by being provided in

Further, in the placing member set of the present invention, the specific length is 1/2 of the total length of one of the first short side portions of the first cover portion.

Further, in the placing member set of the present invention, the first engaging portion extends from the other end of the first long side portion of one of the first cover portions along the first long side portion for the specific length. and the second engaging portion is the other second short side portion of the second cover portion and the second short side portion of one of the second cover portions. It is additionally provided at a position separated by the specific length along the second short side portion from one end of the side portion on the same side as the one end.

Further, in the placement member set of the present invention, the second engaging portion has a length equal to the specific length along the second short side from both ends of the second short side of the second cover portion. It is characterized in that they are provided at separate positions.

The present invention has been made to solve at least one of the above-described problems, and a mounting table set according to the present invention includes any one of the mounting member sets described above and the size of the first mounting member. A first box member on which the first placing member is placed, and a size corresponding to the size of the second placing member, and the second placing member is placed a second box member to be
characterized by comprising

The present invention has been made to solve at least one of the above problems, and a mounting member according to the present invention is a mounting member used for a box member, wherein An article placement surface on which an article is placed, which faces the opposite side of the box member when placed, and casters having wheels formed on the surface opposite to the article placement surface and having wheels can be attached. and a caster mounting structure, wherein the surface opposite to the surface on which the casters are mounted constitutes a box member mounting surface on which the box member is mounted.

According to the mounting member, the mounting table, the mounting member set, and the mounting table set of the present invention, the relative positions and attitudes of adjacent containers can be maintained, and the containers can be used for purposes other than placing articles. There can be an excellent effect that it is possible to

1 is a perspective view of a lid member (mounting member: the same applies hereinafter) in the first embodiment of the present invention placed on a container; FIG. 1 is a perspective view of a lid member in the first embodiment of the present invention on which casters are attached and a container is placed; FIG. (A) is a plan view of a lid member in the first embodiment of the present invention. (B) is a side view of the lid member in the first embodiment of the present invention. (C) is a perspective view of the lid member in the first embodiment of the present invention. (A) is a bottom view of the lid member in the first embodiment of the present invention. (B) is a side view of the lid member in the first embodiment of the present invention. (C) is a perspective view of the lid member in the first embodiment of the present invention as seen from the rear side. (A) is the perspective view which connected the cover members in 1st embodiment of this invention with the connection member. (B) is an enlarged view of the connecting portion of (A). (A) and (B) are cross-sectional views showing how the connecting member is inserted into the engaging portion of the lid member according to the first embodiment of the present invention, arranged in chronological order. It is the perspective view which connected the cover members in 1st embodiment of this invention with the connection member. (A) is a perspective view of a modification of the lid member in the first embodiment of the present invention. (B) is a perspective view in which modified examples of the cover member in the first embodiment of the present invention are connected by a connecting member. (A) is a bottom view of the cover member in the first embodiment of the present invention with casters attached. (B) is a side view of a caster. (C) is a plan view of a caster mounting plate. (A) is a perspective view of the caster mounting mechanism of the lid member in the first embodiment of the present invention, as seen from the rear side. (B) is a perspective view of the lid member in the first embodiment of the present invention with casters attached. (A) is a perspective view of an accommodating portion of the lid member in the first embodiment of the present invention. (B) is a cross-sectional view of an accommodating portion of the lid member according to the first embodiment of the present invention. (A) and (B) are cross-sectional views in which states of inserting a connecting member into an accommodating portion of the lid member according to the first embodiment of the present invention are arranged in chronological order. It is a modification of the accommodating part of the cover member in 1st embodiment of this invention. (A) is a bottom view of a modification of the cover member in the first embodiment of the present invention. (B) is a side view of a modification of the lid member in the first embodiment of the present invention. (A) and (B) are perspective views of a lid member according to a second embodiment of the present invention. (A) is a plan view of a half-size lid member (second placement member) according to the third embodiment of the present invention. (B) is a plan view of the lid member (first placement member) in the third embodiment of the present invention. (A) shows the half-size lid member (second placement member) in the third embodiment of the present invention and the lid member (first placement member) in the third embodiment of the present invention, which are connected to form the lid member. FIG. 10 is a plan view of a mounting member set with an extended length; In (B), the half-size lid member (second placement member) in the third embodiment of the present invention and the lid member (first placement member) in the third embodiment of the present invention are arranged in an L shape. FIG. 10 is a plan view of the linked mounting member set; In (A), the half-size lid member (second placement member) in the third embodiment of the present invention and the lid member (first placement member) in the third embodiment of the present invention are arranged in an inverted L shape. FIG. 10 is a plan view of a mounting member set connected by a . In (B), the two half-size lid members (second placement member) in the third embodiment of the present invention and the lid member (first placement member) in the third embodiment of the present invention form a square. FIG. 4 is a plan view of the placement member set arranged and connected; (A) is a plan view of a modified example of the half-size lid member (second placement member) in the third embodiment of the present invention. (B) shows a modified example of the half-size lid member (second placement member) in the third embodiment of the present invention and an inverted L-shaped lid member (first placement member) in the third embodiment of the present invention. FIG. 10 is a plan view of the mounting member set arranged and connected to each other; A placement member set in which the half-size lid member (second placement member) according to the third embodiment of the present invention and the lid member (first placement member) according to the third embodiment of the present invention are arranged around an obstacle. is a diagram. It is a perspective view of the mounting base in 4th embodiment of this invention.

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIGS. 1 to 21 are examples of embodiments of the invention, and in the figures, the same reference numerals as in FIG. 1 denote the same parts.

<First embodiment>
A mounting member 1 according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 14. FIG. The mounting member 1 is placed on a box member such as a container 900 as shown in FIG. 1, or, as shown in FIG. It is something to do. Note that the box member includes not only the container 900 described below, but also a box that can accommodate articles and a box that functions as a base mainly for supporting articles. The box member may be made of a water-absorbing material that absorbs moisture, or at least the surface thereof may be made of a waterproof material that prevents moisture from entering from the outside. As a box member made of a water-absorbent material, for example, a corrugated cardboard material having a multi-layered structure of paperboard can be used. A case where the box member is the container 900 will be described below as an example. The container 900 has an opening 910, has an open ceiling surface (upper surface), and has a foldable structure. The container 900 shown in FIGS. 1 and 2 is in a two-tiered state. As will be described later, the mounting member 1 in the present embodiment functions as a lid for the container 900, so the mounting member will be replaced with the lid member in the description, but the lid member may be replaced with the mounting member. Included within the scope of the present invention. The lid member 1 includes a cover portion 2 and a standing portion 3, as shown in FIGS. 3(A) to 3(C). It is preferable that at least the surface of the lid member 1 is made of a waterproof material that prevents moisture from entering from the outside. As a result, it is possible to prevent moisture from passing through the surface of the lid member 1 and permeating into members positioned on the back side of the lid member 1 . Examples of waterproof materials include resins such as plastics. The surface of the lid member 1 may be waterproofed.

<Standing part>
As shown in FIGS. 4(B) and 4(C), the standing portion 3 extends in the thickness direction A of the cover portion 2 (hereinafter referred to as the lid member thickness direction A) starting from the region near the outer edge of the cover portion 2. This is the part to be erected. The standing portion 3 is provided so as to encircle the circumferential direction along the outer edges 2B and 2C of the cover portion 2 when the cover portion 2 is viewed from the thickness direction A of the cover member. Moreover, a plurality of standing portions 3 may be provided so as to be dispersed at predetermined intervals along the circumferential direction.

When the cover part 2 is placed on the container 900, as shown in FIG. 1, the cover part 2 functions as a lid of the container 900 and also functions as a table placed on the ceiling surface (upper surface) of the container 900. . At this time, the standing portion 3 surrounds the container 900 , and its inner peripheral surface faces the outer peripheral surface of the side wall of the container 900 on the upper side (the side closer to the opening 910 ).

Also, when the container 900 is placed on the cover part 2, as shown in FIG. 2, casters 800 are attached to function as a carriage. At this time, the standing portion 3 surrounds the container 900, and the inner peripheral surface thereof faces the outer peripheral surface on the lower side of the side wall of the container 900 (the side closer to the bottom wall of the container 900).

In either case, even if the cover part 2 moves horizontally relative to the container 900 , the standing part 3 contacts the container 900 to restrict the relative movement of the cover part 2 to the container 900 .

<Cover>
The cover part 2 covers the opening 910 of the container 900 and other surfaces (portions corresponding to the upper surface of the box member). In this embodiment, as shown in FIGS. 3 and 4, the cover portion 2 has, for example, grid-like ribs erected from the plane of one side of the plate-like portion, but the present invention is not limited to this. However, other aspects may also be possible. When viewed from above in the thickness direction A of the lid member, the cover portion 2 has a rectangular shape as shown in FIG. 3(A). The plan view shape and overall shape of the cover portion 2 correspond to the shape of the container 900 , and various shapes are assumed according to the shape of the container 900 . As shown in FIGS. 3 and 4, the cover portion 2 includes an article placement surface 4, a container placement surface 5, a peripheral wall concave portion 6, an engaging portion 7, a caster mounting structure 8, and an accommodating portion 9. and have

<Article Placement Surface>
The article placement surface 4 is a surface on which an article 700 is placed, as shown in FIG. The article placement surface 4 is included in the cover portion 2 . Specifically, as shown in FIG. 3B, the article placement surface 4 is a surface on one side when the cover portion 2 is viewed from above in the thickness direction A of the lid member. Then, as shown in FIG. 1 , when the cover part 2 is placed on the container 900 , the article placement surface 4 faces the opposite side of the container 900 .

<Container mounting surface (box member mounting surface)>
The container mounting surface 5 is a surface on which a container 900 as a box member is mounted, as shown in FIG. Note that the container mounting surface 5 may be read as the box member mounting surface 5 . Specifically, as shown in FIG. 3B, the container placement surface 5 is the other side surface of the cover portion 2 when viewed from above in the thickness direction A of the lid member. It is the surface opposite to the placement surface 4 .

In the present embodiment, the container placement surface 5 side of the cover portion 2 is formed in a grid pattern when viewed from the thickness direction A of the lid member in plan view, as shown in FIG. 4(A). In other words, on the side of the container placing surface 5 of the cover portion 2, a grid portion 50 is arranged so that the ribs erected in the thickness direction A of the lid member form a grid from the opposite side surface 4B of the plate-like portion having the article placing surface 4. consists of The container mounting surface 5 is composed of the top surface of the lattice portion 50 .

<Concave portion for peripheral wall>
As shown in FIGS. 3A and 3C, the peripheral wall concave portion 6 is recessed in the thickness direction A of the lid member with the article placement surface 4 as a starting point, and extends along the circumferential direction of the outer edge 4A of the article placement surface 4. It is provided so as to surround the article placement surface 4 . In this embodiment, the peripheral wall recesses 6 are provided along the longitudinal direction C of the cover portion 2 in the vicinity of the outer edges 2B at both ends of the cover portion 2 in the transverse direction B, respectively. are provided along the lateral direction B of the cover portion 2 in the vicinity of the outer edge 2C of the cover portion 2, respectively.

As shown in FIG. 1, a peripheral wall member 600 forming a peripheral wall surrounding the article placement surface 4 is inserted into the peripheral wall concave portion 6 . The peripheral wall member 600 is composed of, for example, a transparent plate-like body such as an acrylic plate, or a colored plate-like body. Therefore, the peripheral wall recess 6 is configured to have a depth and a width that allow the peripheral wall member 600 to be inserted and to hold the peripheral wall member 600 in an upright state.

In addition, as shown in FIG. 3(A), the peripheral wall recessed portion 6 is provided with a drainage hole 60 that penetrates the cover portion 2 . Even if water enters the recessed portion 6 for the peripheral wall, it is discharged to the outside through the hole 60 for draining water.

<Engaging part>
As shown in FIGS. 5A and 5B, the engaging portion 7 constitutes a connecting mechanism 11 that engages with the connecting member 10 and detachably connects the lid members 1 together with the connecting member 10 . That is, the connecting mechanism 11 is configured by the engaging portion 7 and the connecting member 10 .

As shown in FIG. 5B, the connecting member 10 is, for example, continuous with the first leg portion 100, the second leg portion 101, and the first leg portion 100 and the second leg portion 101, and connects the two. a portion 102; The first leg portion 100, the second leg portion 101, and the connecting portion 102 are each formed in a plate shape. The first leg portion 100 and the second leg portion 101 are arranged in parallel with a predetermined interval and extend to the same side so that their flat portions face each other. The first leg portion 100 and the second leg portion 101 start from the communicating portion 102 and approach each other halfway as they move away from the communicating portion 102, and thereafter extend in a direction opposite to the approaching direction. . That is, the first leg portion 100 and the second leg portion 101 are formed in a bent convex shape (dogleg shape) and face each other so that the convex top portions face each other.

Also, the first leg 100 and the second leg 101 are made of an elastically deformable material. In this embodiment, the connecting member 10 is configured as a U-shaped leaf spring.

In this embodiment, as shown in FIGS. 5B, 6A, and 6B, the engaging portion 7 is provided in an outer region 19 outside the outer edge of the article placement surface 4 of the cover portion 2. It is In the present embodiment, the outer area 19 forms a belt-like area surrounding the article placement surface 4 and the peripheral wall recess 6 outside the article placement surface 4 and the peripheral wall recess 6 . The engaging portion 7 includes a recess 75 that is recessed in the thickness direction A of the lid member in the outer region to a depth equal to or lower than the article placement surface 4 , and extends in the thickness direction A of the lid member starting from the innermost surface 75A of the recess 75 . Alternatively, it has an engaging hole 70 into which the second leg 101 can be inserted. In this embodiment, the engaging hole 70 penetrates the cover portion 2 in the thickness direction A of the lid member. In this case, when the cover portion 2 is placed on the container 900, the side opposite to the article placement surface 4 is defined as the back side of the cover portion 2, and the side of the article placement surface 4 is defined as the front side of the cover portion 2. The hole 70 may be configured so that the first leg portion 100 or the second leg portion 101 can be inserted only from the front side of the cover portion 2, but is not limited to this. may also be configured to be insertable. In addition, the engaging hole 70 does not have to pass through the cover portion 2 in the thickness direction A of the lid member. As shown in FIG. 5B, the first leg portion 100, the second leg portion 100, and the second leg portion 100 are inserted into each of the engaging holes 70 of the adjacent lid members 1 arranged in parallel from the article placement surface 4 side (front side of the cover portion 2). When the leg portion 101 is inserted, the first leg portion 100, the second leg portion 101 and the engaging holes 70 are engaged with each other to connect the adjacent lid members 1 arranged in parallel together with the connecting portion 102. . Also, even if the engagement hole 70 is configured so that the first leg portion 100 or the second leg portion 101 can be inserted from the back side of the cover portion 2, the first leg portion 100 and the second leg portion 101 are similarly engaged. The holes 70 are engaged with each other to connect adjacent cover members 1 arranged in parallel together with the connecting portion 102 . The former is a preferred connection mode when the lid member 1 is to function as a table, and the latter is a preferred connection mode when the lid member 1 is to function as a carriage. The engagement hole 70 inserted from the article placement surface 4 side (the front side of the cover portion 2) and the engagement hole 70 inserted from the back side of the cover portion 2 may be the same or may be different. may be of

Also, the first leg portion 100, the second leg portion 101 and the engaging hole 70 have a connection-side locking structure. In the connection side lock structure, when the first leg portion 100 and the second leg portion 101 are inserted into the engagement holes 70, the first leg portion 100 and the second leg portion 101 are restrained by the corresponding engagement holes 70. Structure. That is, the connection-side lock structure is a structure that engages in the direction in which the first leg portion 100 and the second leg portion 101 come out from the engagement hole 70 . As shown in FIG. 6A, the first leg portion 100 and the second leg portion 101 are inserted into the engaging holes 70 of the adjacent lid members 1 arranged in parallel. Here, the direction in which the first leg portion 100 and the second leg portion 101 are arranged in parallel is defined as the arrangement direction D, and the direction in which the adjacent lid members 1 arranged in parallel are arranged is defined as the arrangement direction E. L1 is the distance between both ends of the first leg portion 100 or the second leg portion 101 in the arrangement direction D before the elastic deformation of the first leg portion 100 or the second leg portion 101, and the plate thickness of the first leg portion 100 or the second leg portion 101 is When defined as L2, the engagement holes 70 are provided so that the width W of the engagement holes 70 in the arrangement direction E satisfies the relationship of L2≦W<L1.

When the connecting member 10 (communication portion 102) is pressed while the first leg portion 100 and the second leg portion 101 are inserted into the engagement hole 70, the communication portion 102 moves to the innermost portion of the concave portion 75 of the engagement portion 7. Contact surface 75A. On the other hand, the first leg portion 100 and the second leg portion 101 inserted into the engaging holes 70 contact the engaging surfaces 70A forming the corresponding engaging holes 70, The engagement hole 70 corresponding to E) is pressed. As the first leg portion 100 and the second leg portion 101 advance in the thickness direction A of the lid member, as shown in FIG. It elastically deforms such that the formed angle θ gradually increases. As a result, the first leg portion 100 and the second leg portion 101 are restrained by the corresponding engagement holes 70 . As a result, the adjacent lid members 1 arranged in parallel are firmly connected by the connecting member 10 .

In addition, when the connecting member 10 is engaged with the engaging portion 7 to connect the adjacent lid members 1, it is not preferable that the connecting member 10 is more convex than the surrounding surface. Therefore, when the connecting member 10 is engaged with the engaging portion 7, the entire connecting member 10 is below the article placement surface 4 in the lid member thickness direction A (inside the lid member 1 in the lid member thickness direction A). ). In this embodiment, the connecting member 10 can be inserted until the connecting portion 102 contacts the deepest surface 75A of the concave portion 75 of the engaging portion 7 . Therefore, as shown in FIG. 6(B), when the connecting member 10 abuts against the innermost surface 75A of the concave portion 75, the connecting member 10 as a whole is placed on the article placement surface 4 in the thickness direction A of the lid member. It is preferred to have a depth located at: That is, in this embodiment, the depth H of the concave portion 75 of the engaging portion 7 is preferably equal to or greater than the plate thickness L3 of the connecting portion 102 . In particular, by engaging the connecting member 10 with the engaging portion 7, the upper end surface 102A of the connecting member 10 becomes flush with the article placement surface 4 so that the concave portion that is recessed with respect to the article placement surface 4 is eliminated. Moreover, it is particularly preferable that the depth H of the recess 75 of the engaging portion 7 and the plate thickness L3 of the connecting portion 102 are the same.

The connection-side lock structure is not limited to the above-described mode, and when the first leg 100 and the second leg 101 are inserted into the corresponding engagement holes 70, the first leg 100 , the second leg 101 is restrained by the corresponding engagement hole 70. For example, the connection side lock structure is provided inside the engagement hole 70 , and when the first leg 100 and the second leg 101 reach a predetermined depth of the engagement hole 70 , the first leg 100 and the second leg 100 It may be constituted by a lock mechanism that engages with each of the two legs 101 to limit the movement of the first leg 100 and the second leg 101 in the thickness direction A of the lid member. The connection-side lock structure includes a fixing member (not shown) capable of fixing the connecting portion 102 to the cover portion 2 while the first leg portion 100 and the second leg portion 101 are inserted into the corresponding engagement holes 70. may be configured using

Also, the engagement holes 70 are provided near the outer edge of each side of the cover portion 2 . In this embodiment, as shown in FIG. 3A, two engaging holes 70 are provided near the outer edges of both long sides of the cover 2, and one is provided near the outer edges of both short sides of the cover 2. are provided one by one. If the engaging holes 70 are provided on each side in this way, for example, as shown in FIG. It is also possible to connect the lid members 1 arranged in parallel with each other. As a result, even if the container 900 does not need to be specially provided with a connecting mechanism, only by connecting the lid members 1 with the connecting mechanism 11, even if a person or the like collides with the containers 900 adjacent in parallel, the containers 900 adjacent in parallel can be prevented from colliding with each other. can maintain their relative positions and attitudes with respect to each other without moving away from each other.

As shown in FIG. 8A, the engaging hole 70 extends around the outer side of the article placement surface 4 in the circumferential direction along the outer circumference of the article placement surface 4, and is located further than the article placement surface 4. It may be provided on the surrounding surface 14 that is one step lower in the thickness direction A of the lid member. The surrounding surface 14 is a surface including the outer edge of the cover portion 2 . When the engagement holes 70 are provided at the above positions, the engagement holes 70 are positioned outside the article placement surface 4 . Further, as shown in FIG. 8B, the width of the connecting portion 102 in the connecting member 10 can be reduced, so that the area occupied by the connecting mechanism 11 can be further reduced.

<Caster mounting structure>
The caster mounting structure 8 is a structure for mounting casters 800 (see FIG. 9B) having wheels 810 on the article placement surface 4, as shown in FIG. 9A. In this embodiment, the caster mounting structure 8 is provided in each of the four corner regions of the cover 2 as shown in FIGS. , may be provided elsewhere.

As shown in FIGS. 3A and 3C, the caster mounting structure 8 in this embodiment includes a caster-side concave portion 80 for positioning the mounting plate 820 of the caster 800 and a screw (not shown) as a fixing member. It has four caster-side insertion holes 81 for insertion.

The caster-side concave portion 80 is a portion that is concave with the article placement surface 4 as a starting point. The shape and size of the caster-side concave portion 80 are approximately the same as the shape and size of the mounting plate 820 (see FIG. 9B) of the caster 800, or are the same but slightly larger than the mounting plate 820. be. The positioning of the caster 800 is completed simply by fitting the mounting plate 820 of the caster 800 into the caster-side concave portion 80 .

The caster-side insertion hole 81 penetrates the cover portion 2 in the thickness direction A of the cover member, as shown in FIG. 10(A). Also, the mounting plate 820 of the caster 800 has four holes 830 as shown in FIG. 9(C). The four caster-side insertion holes 81 are provided so as to match the positions of the four holes 830 of the mounting plate 820 in the cover member thickness direction A when the caster 800 is positioned by the caster-side concave portion 80 .

As shown in FIG. 10B, with the caster 800 positioned, four screws as fixing members are passed through the four holes 830 and the four caster-side insertion holes 81 from the article placement surface 4 side. . Then, nuts 840 are used to screw together the four screws from the container mounting surface 5 side. The caster 800 is thereby fixed by the caster mounting structure 8 .

Then, as shown in FIG. 2, the container 900 is placed on the container placement surface 5 opposite to the article placement surface 4 to which the casters 800 are attached. Thereby, the lid member 1 functions as a cart for carrying the container 900 .

Although the caster mounting structure 8 is provided on the article placement surface 4 in this embodiment, it is not limited to this, and may be provided on the surface opposite to the article placement surface 4 . In this case, the container placement surface 5 is flush with the article placement surface 4 , and the article placement surface 4 also serves as the container placement surface 5 .

When the lid member 1 to which the casters 800 are attached is regarded as one truck, if the adjacent lid members 1 are connected by the connecting mechanism 11, a plurality of trucks can be moved at the same time. Further, when the lid members 1 to which the adjacent casters 800 are attached are connected by the connecting mechanism 11 and regarded as one carriage, a carriage with a large mounting area can be provided.

<Accommodation part>
The accommodation portion 9 accommodates the connecting member 10 . In this embodiment, as shown in FIG. 10(A), the accommodation portion 9 is configured by an accommodation side recessed portion 90 that is recessed in the thickness direction A of the lid member on the side of the article placement surface 4 . The housing-side concave portion 90 has a shape corresponding to the shape of the connecting member 10 . The connecting member 10 accommodated in the accommodation-side recess is accommodated so as not to protrude from the bottom surface 83 of the caster-side recess 80 . In the present embodiment, the upper end surface 103 of the connecting portion 102 of the connecting member 10 and the bottom surface 83 of the caster-side recessed portion 80 are configured to be flush with each other, but are not limited to this. The upper end surface 103 of the connecting portion 102 may be recessed inside the bottom surface 83 of the caster-side concave portion 80 . This is to allow the casters 800 to be attached to the caster attachment structure 8 in a state in which the connection member 10 is accommodated in the accommodation portion 9 .

11(A), (B) and 12(A), the accommodation side recess 90 in the present embodiment includes a communication side recess 91 that can accommodate the communication portion 102 of the connection member 10, and a second leg-side insertion hole 93 into which the second leg 101 of the connecting member 10 can be inserted. The connection-side recess 91 is recessed in the lid member thickness direction A by at least the plate thickness L3 of the connection portion 102 with the bottom surface 83 of the caster-side recess 80 as a reference. The first leg-side insertion hole 92 is continuous with the connecting-side recessed portion 91 in a region near one end of the connecting-side recessed portion 91 and extends in the thickness direction A of the lid member. The second leg-side insertion hole 93 continues to the connecting side recess 91 in a region near the other end of the connecting side recess 91 and extends in the thickness direction A of the lid member. The first leg side insertion hole 92 has a shape and size that allows the first leg portion 100 to be inserted therein. The second leg side insertion hole 93 has a shape and size that allows the second leg portion 101 to be inserted therein.

The accommodation-side concave portion 90 has an accommodation-side locking structure that restrains the inserted first leg portion 100 or second leg portion 101 . The accommodation side lock structure is the same as the connection side lock structure, and the first leg side insertion hole 92 and the second leg side insertion hole 93 respectively correspond to the engagement holes 70 . That is, the direction in which the first leg side insertion hole 92, the connecting side recessed portion 91, and the second leg side insertion hole 93 are arranged is defined as the arrangement direction F, and the direction in which the first leg portion 100 or the second leg portion 101 is elastically deformed. When the distance between both ends of the first leg portion 100 or the second leg portion 101 in the arrangement direction D is defined as L1, and the plate thickness of the first leg portion 100 or the second leg portion 101 is defined as L2, the first leg side insertion hole 92 is provided so that the width S1 of the first leg side insertion hole 92 in the arrangement direction F satisfies the relationship of L2≦S1<L1. Similarly, the second leg-side insertion hole 93 is provided so that the width S2 of the first leg-side insertion hole 92 in the arrangement direction F satisfies the relationship of L2≦S2<L1. Thereby, as shown in FIG. 12(B), the first leg 100 is constrained in the first leg side insertion hole 92 by utilizing the elastic deformation of the first leg 100 . Moreover, the second leg portion 101 is restrained in the second leg side insertion hole 93 by utilizing the elastic deformation of the second leg portion 101 .

The connecting member 10 is inserted into the connecting side recess 91 from the first leg 100 and second leg 101 sides, and the connecting member 10 is accommodated in the connecting side recess 91 . When the first leg portion 100 and the second leg portion 101 are inserted into the first leg side insertion hole 92 and the second leg side insertion hole 93, respectively, the first leg portion 100 and the second leg portion 101 are elastically deformed. are restrained by the first leg side insertion hole 92 and the second leg side insertion hole 93, respectively. As a result, the connecting member 10 is firmly restrained in the housing-side concave portion 90 .

11(A), (B), and 12(A), around the housing side recess 90, there is a first finger insert continuous with the connecting side recess 91 and the first leg side insertion hole 92. A recess 94 is provided. A second finger insertion recess 95 that is continuous with the connection side recess 91 and the second leg side insertion hole 93 is provided around the housing side recess 90 . The first finger-putting recess 94 and the second finger-putting recess 95 are recessed in the lid member thickness direction A by a predetermined depth with the bottom surface 83 of the caster-side recess 80 as a reference. The first finger insertion recess 94 and the second finger insertion recess 95 are arranged in the arrangement direction F via the first leg side insertion hole 92 , the connection side recess 91 and the second leg side insertion hole 93 .

The space surrounded by the first finger-inserting recess 94 and the second finger-inserting recess 95 has a size into which a human finger can be inserted. Therefore, by inserting the thumb and the index finger or the middle finger into the first finger insertion recess 94 and the second finger insertion recess 95 respectively, the first leg portion of the connecting member 10 is firmly restrained in the housing side recess 90. 100 and second leg 101 can be grasped and pulled out.

As shown in FIG. 13, in addition to the first finger insertion recess 94 and the second finger insertion recess 95, or instead of the first finger insertion recess 94 and the second finger insertion recess 95, a second A third finger recess 96 and a fourth finger recess 97 may be provided. The third finger-putting recess 96 and the fourth finger-putting recess 97 are arranged in a direction G perpendicular to the arrangement direction F with the connecting-side recess 91 interposed therebetween. The first leg portion 100 and the second leg portion 100 of the connecting member 10 are firmly restrained in the housing side recessed portion 90 by inserting the thumb and the index finger or the middle finger into the third finger recessed portion 96 and the fourth finger recessed portion 97 as well. The leg 101 can be grasped and pulled out.

Further, as shown in FIG. 13, the area occupied by the caster mounting structure 8 on the side of the article placement surface 4 is defined as a caster side exclusive area R1, and the area occupied by the storage section 9 on the side of the article placement surface 4 is defined as an area exclusive to the storage side. When defined as the area R2, when viewed from above in the thickness direction A of the lid member, the accommodation-side exclusive area R2 overlaps the caster-side exclusive area R1. In this embodiment, the entire accommodation-side exclusive area R2 is included in the caster-side exclusive area R1. More specifically, as shown in FIG. 13, the housing-side exclusive area R2 is included in a central area R3 surrounded by four caster-side insertion holes 81 in the caster-side exclusive area R1. As a result, the article placement surface 4 can be widened.

The relationship between the caster-side exclusive area R1 and the accommodation-side exclusive area R2 is not limited to the above, and a part of the accommodation-side exclusive area R2 may overlap the caster-side exclusive area R1.

Also, the caster-side exclusive area R1 and the accommodation-side exclusive area R2 may not overlap, and the accommodation-side exclusive area R2 may be provided outside the caster-side exclusive area R1. In this case, as shown in FIG. 14A, the accommodating portion 9 may be provided on the side of the container placing surface 5 so that the connecting member 10 can be accommodated from the side of the container placing surface 5. As shown in 14(B), the connecting member 10 is provided on the side of the container placing surface 5 so that the connecting member 10 can be accommodated from the side 13 side of the cover portion 2 surrounding the article placing surface 4 or the container placing surface 5. good too.

<Second embodiment>
A lid member 1 (mounting member 1) according to the second embodiment of the present invention will be described with reference to FIG. The lid member 1 in this embodiment is provided with a connecting mechanism 11 on the side surface 13 of the cover portion 2 . The connecting mechanism 11 in this embodiment includes, as shown in FIG. , and a connecting side receiving portion 111 provided on the other adjacent lid member 1 arranged in parallel.

As shown in FIG. 15(A), the connecting-side inserting portion 110 is configured by a convex portion that protrudes from the side surface 13 of the cover portion 2 to the outside of the cover portion 2 . The connecting-side insertion portion 110 is pushed toward the inside of the cover portion 2 and retracts into the inside of the cover portion 2, or when an operation portion (not shown) (for example, a button or a switch) is operated, the inside of the cover portion 2 is pushed. may be configured to protrude from the

As shown in FIG. 15B, for example, as shown in FIG. It has a recessed portion that is recessed toward the inside of the cover portion 2 starting from . Furthermore, the connection-side receiving portion 111 has a lock mechanism (not shown) that restrains the connection-side insertion portion 110 in a state in which the connection-side insertion portion 110 is inserted. Therefore, when the connection-side insertion portion 110 is inserted into the connection-side receiving portion 111, the connection-side insertion portion 110 is restrained by the locking mechanism, and the adjacent lid members 1 arranged in parallel are connected to each other. Become.

The shape of the protrusion as the connection-side insertion portion 110 is determined by the relationship between the recess of the connection-side receiving portion 111 and the lock mechanism. The connection-side receiving portion 111 also has an unlocking mechanism (not shown). For example, the lock release mechanism is such that when the projection as the connection side insertion portion 110 is further pushed into the recess as the connection side receiving portion 111, the restraint of the connection side insertion portion 110 is released, One example is one in which the binding of the connecting side insertion portion 110 is released when an operation portion (for example, a button or switch) provided on the cover portion 2 (not shown) is operated, but it is not limited to this. It may be something else.

Also, as shown in FIG. 15(A), the connecting side inserting portion 110 may be configured by inserting an inserting member 112 into the connecting side receiving portion 111 and restraining it with a locking mechanism.

Furthermore, the connecting mechanism 11 that connects the adjacent lid members 1 is not limited to those in the first and second embodiments, and includes all mechanisms that can connect the adjacent lid members 1 . For example, an engaging portion (engaging hole) similar to the engaging portion 7 (engaging hole 70) in the first embodiment may be provided near the corner portion of the side surface 13 (upright portion 3). The engaging portion (engaging hole) extends in the thickness direction of the standing portion 3 . The connecting member 10 can be inserted from either one of the front side (side surface 13 side) and the back side (opposite side of the side surface 13).

As described above, the lid member of the present invention is placed on the container 900 and functions as a table for placing articles, or with the casters 800 attached, it functions as a cart for carrying the container 900 and the like. Further, the lid member 1 of the present invention includes a connecting mechanism 11 for connecting adjacent lid members. As a result, if the lid members 1 are connected by the connecting mechanism 11, a plurality of lid members 1 can be integrated. However, the plurality of lid members 1 as tables do not separate from each other, can maintain their relative postures and positions, and can maintain the substantial shape of the table portion.

<Third embodiment>
16 to 20, lid member 1 (first lid member: first placement member) and half-size lid member 12 (second lid member: second placement member) in the third embodiment of the present invention ) will be described. In the lid member set, the lid member 1 and the half-size lid member 12 can be connected to expand the article placement surface. As shown in FIGS. 16A and 16B, when viewed from above in the thickness direction A of the cover member (the direction perpendicular to the paper surface), the cover portion (first cover portion) 2 of the cover member 1 in the present embodiment and A cover portion (hereinafter referred to as a half-size cover portion (second cover portion)) 15 of the half-size lid member 12 is configured to have a rectangular shape. In addition, in the following, the portion constituting the long side peripheral edge of the cover portion (first cover portion) 2 and the half-size cover portion (second cover portion) 15 is the long side portion, the cover portion (first cover portion) 2 and A portion forming a short-side peripheral edge of the half-size cover portion (second cover portion) 15 is called a short side portion. Then, the long side portion and the short side portion corresponding to the cover portion (first cover portion) 2 correspond to the first long side portion, the first short side portion, and the half size cover portion (second cover portion) 15, respectively. The long side portion and the short side portion may be distinguished by calling them the second long side portion and the second short side portion, respectively. Similarly, the article placement surface of the cover portion (first cover portion) 2 is called a first article placement surface, and the article placement surface of the half-size cover portion (second cover portion) 15 is called a second article placement surface. can be distinguished by Further, the plan view shape and overall shape of the cover portion 2 and the half-size cover portion 15 correspond to the shape of the container 900 as in the first embodiment, and vary depending on the shape of the container 900. something is assumed.

The long side 12A of the half-size covering portion 15 has the same length as the short side 1B of the covering portion 2 of the lid member 1, and the short side 12B of the half-size covering portion 15 has the same length as that of the lid member 1. is half the length of the long side portion 1A of the cover portion 2 in . Specifically, for example, the full length J1 of the long side portion 12A of the half-size cover portion 15 is 406 (mm), and the full length K1 of the short side portion 12B of the half-size cover portion 15 is 305 (mm). One example is the lid member 12 . More specifically, for example, the cover member 2 has a long side portion 1A with a total length M1 of 610 (mm) and a short side portion 1B with a total length N1 of 406 (mm). 1 is given as an example. Note that the half-size lid member 12 has the same structure as the lid member 1 of other embodiments except for the size of the half-size cover portion 15, and the description of the other embodiments can be appropriately applied to this point. is. The half-size cover portion 15 of the half-size cover member 12 and the cover portion 2 of the cover member 1 also include a surrounding surface 14 as shown in FIGS. 8(A) and (B).

<Half size cover>
Also, as shown in FIG. 16A, the center of the engaging portion 71 on one long side 12A side of the half-size cover portion 15 is aligned with the center of the long side portion 12A of the half-size cover portion 15. there is A length P2 in the direction along the long side 12A from one end 120A of the long side 12A to the center of the engaging portion 71, and a length from the other end 120B of the long side 12A to the center of the same engaging portion 71 The length P3 in the direction along the side portion 12A is the same. More specifically, the length J2 in the direction along the long side 12A from one end 120A of the long side 12A to the end 71A of the engaging portion 71 on the side proximal to the one end 120A, and the length J2 in the direction along the long side 12A The ratio of the length J3 in the direction along the long side portion 12A from the end 120B to the end portion 71B of the engaging portion 71 on the side proximal to the other end 120B is approximately 1:1. Incidentally, the sum of the length J2, the length J3, and the width W1 in the direction along the long side portion 12A of the engaging portion 71 is the total length J1. Also, length J2 and length J3 are, of course, less than half of J1. Specifically, for example, the length J2 and the length J3 are set to 188 (mm), and the width W1 is set to 30 (mm). The structure of the other long side portion 12C opposite to the long side portion 12A is the same as described above.

Further, as shown in FIG. 16A, the center of the engaging portion 72 on one short side portion 12B side of the half-size cover portion 15 is provided at a position shifted from the center of the short side portion 12B. A length Q2 in the direction along the short side portion 12B from one end 120A of the short side portion 12B (which coincides with one end 120A of the long side portion 12A) to the center of the engaging portion 72 is the length described above. It matches P1 or length P2. The length Q3 in the direction along the short side portion 12B from the other end 120C of one short side portion 12B (which coincides with one end 120C of the other long side portion 12C) to the center of the engaging portion 72 is , is 1/2 of the center-to-center distance R4 between a pair of engaging portions of the long side portion 1A of the lid member 1, which will be described later. More specifically, the length K2 in the direction along the short side portion 12B from one end 120A of the short side portion 12B to the end portion 72A of the engaging portion 72 on the proximal side thereof, and the other end of the short side portion 12B The ratio of the length K3 in the direction along the short side portion 12B from 120C to the end portion 72B of the engaging portion 72 on the proximal side thereof is approximated to 2:1. Also, the length K2 is matched with the length J2 and/or the length J3. The length K3 is 1/2 of the shortest distance M4 between the pair of engaging portions of the long side portion 1A of the lid member 1 . Incidentally, the sum of the length K2, the length K3, and the width W2 of the engaging portion 72 in the direction along the short side portion 12B is the total length K1 of the long side portions 12A and 12C. Also, the length K2 is, of course, 1/2 or more of K1. A specific example is to set the length K2 to 190 (mm), the length K3 to 85 (mm), and the width W2 to 30 (mm).

The structure of the other short side portion 12D of the half-size cover portion 15, which is opposite to the short side portion 12B, is the same as described above. However, the central position of the engaging portion 73 on the other short side portion 12D side is set at a position separated by a length Q2 from one end 120B of the short side portion 12D on the same side as one end 120A of the one short side portion 12B. be done. In other words, the engaging portion 72 and the engaging portion 73 are provided at symmetrical positions about the central line 12E that is parallel to the short sides 12B and 12D and passes through the midpoints of the long sides 12A and 12C. That is, the end portion 73A of the engaging portion 73 on the side closer to the one end 120B of the short side portion 12D is separated from the one end 120B of the short side portion 12D by the length K2 in the direction along the short side portion 12D. The end portion 73B on the side proximal to the other end 120D of 12D is separated from the other end 120D by a length K3 in the direction along the short side portion 12D. One end 120B of the other short side portion 12D coincides with the other end 120B of the long side portion 12A, and the other end 120D of the other short side portion 12D coincides with the other end 120D of the other long side portion 12C. match. The engaging portion provided on the half-size lid member 12 may be referred to as the second engaging portion, and the engaging portion of the lid member 1 described below may be referred to as the first engaging portion.

<Lid member>
Further, as shown in FIG. 16B, a pair of engaging portions 7A and 7B are provided on one long side portion 1A side of the cover portion 2 of the lid member 1. As shown in FIG. One engaging portion 7A is provided at a position shifted from the center of the long side portion 1A toward one end 1C of the long side portion 1A. is provided at a position shifted to the other end 1D side of the . One end 1C of the long side portion 1A coincides with one end 1C of the short side portion 1B, and the other end 1D of the long side portion 1A coincides with one end 1D of the short side portion 1H. One end 1E of the long side 1F matches the other end 1E of the short side 1B, and the other end 1J of the long side 1F matches the other end 1J of the short side 1H.

Length R2 in the direction along the long side 1A from one end 1C of the long side 1A to the center of one engaging portion 7A, and from the other end 1D of the long side 1A to the other engaging portion 7B The ratio of the length R3 in the direction along the long side 1A to the center is approximately 1:1. Also, these lengths R2 and R3 are the same as the lengths P2, P3 and Q2. A length R4 between the center of one engaging portion 7A and the center of the other engaging portion 7B is twice the length Q3. Furthermore, although the length R4 is set shorter than the lengths R2 and R3 here, it is preferably set to be the same as the lengths R2 and R3, and is set longer than the lengths R2 and R3. Also good. More specifically, the length M2 in the direction along the long side 1A from one end 1C of the long side 1A to the end 700A of the engaging portion 7A on the side proximal to the one end 1C, and the length M2 in the direction along the long side 1A The ratio of the length M3 in the direction along the long side 1A from the end 1D to the end 700C of the engaging portion 7B proximal to the other end 1D is approximately 1:1. These lengths M2, M3 match the lengths J2, J3, K2. Also, the length M4 in the direction along the long side 1A from the end 700B of the engaging portion 7A distal to the one end 1C to the end 700D of the engaging portion 7B distal to the other end 1D is twice the length K3. Further, length M4 may be the same as length M2 and length M3, or may be shorter or longer than length M2 and length M3. Incidentally, the sum of the length M2, the length M3, the width W3 in the direction along the long side 1A of the engaging portion 7A, and the width W4 in the direction along the long side 1A of the engaging portion 7B is The total length of 1A and 1F is M1. Also, the length M2 and the length M3 are, of course, less than half the length M1. Specifically, for example, the length M2 and the length M3 are set to 190 (mm), the length M4 is set to 170 (mm), and the widths W3 and W4 are set to the same length of 30 (mm). As an example,

The structure of the other long side portion 1F, which is the opposite side of the one long side portion 1A, is also the same as described above. However, the pair of engaging portions 7D and 7E on the other long side portion 1F side, respectively, is different from the pair of engaging portions 7A and 7B on the long side portion 1A side. parallel to the center line 1G of the cover 2 passing through the midpoints of the short sides 12B and 12D.

Further, as shown in FIG. 16(B), the center of the engaging portion 7C on the side of the short side portion 1B of the lid member 1 in this embodiment is aligned with the center of the short side portion 1B. A length S2 in the direction along the short side portion 1B from one end 1C of the short side portion 1B to the center of the engaging portion 7B, and a short side portion 1B from the other end 1E of the short side portion 1B to the center of the engaging portion 7C. The length S3 in the direction along is the same. These lengths S2, S3 match the lengths R2, R3, P2, P3, Q2. More specifically, the length N2 in the direction along the short side portion 1B from one end 1C of the short side portion 1B to the end portion 700E of the engaging portion 7B on the side proximal to the one end 1C, and the length N2 in the direction along the short side portion 1B The ratio of the length N3 in the direction along the short side portion 1B from the end 1E to the end portion 700F of the engaging portion 7C on the side proximal to the other end 1E is approximately 1:1. Incidentally, the sum of the length N2, the length N3, and the width W5 in the direction along the short side portion 1B of the engaging portion 7C is N1. Length N2 and length N3 are of course less than half of N1. Specifically, for example, the length N2 and the length N3 are set to 188 (mm), and the width W5 is set to 30 (mm). The structure of the short side portion 1H opposite to the short side portion 1B provided with the engaging portion 7F is the same as that of the short side portion 1B side. These lengths P2, P3, Q2, R2, R3, S2, and S3 are "specific lengths" in the present invention.

Then, as described above, the length J1 of the long sides 12A and 12C of the half-size lid member 12 (half-size cover portion 15) and the length of the short sides 1B and 1H of the lid member 1 (cover portion 2) N1 is the same and has a relationship of J1=N1. In addition, the engagement portion 71 on the long side portion 12A side of the half-size lid member 12 (half-size cover portion 15) and the engagement portion 7C on the short side portion 1B side of the lid member 1 (cover portion 2) have the same width. are aligned at the center, and lengths J2 and J3 of the side portions on both sides of the engaging portion 71 of the half-size lid member 12 are respectively It is the same as the side lengths N2 and N3. For this reason, as shown in FIG. While the long side 1F of the portion 2) and the short side 12B of the half-size lid member 12 (half-size cover 15) are positioned on the same straight line, the short side 1B of the lid 1 (cover 2) and the long side portion 12C of the half-size lid member 12 (half-size cover portion 15) are in contact with each other, the engagement portion 71 of the half-size lid member 12 and the engagement portion 7C of the lid member 1 opposite. Then, the connecting member 10 (not shown) is engaged with the engaging portions 71 and 7C to connect them. As a result, the half-size lid member 12 and the lid member 1, when viewed from the top, are in the shape of a rectangle extended by the length K1 of the short sides 12B and 12D of the half-size lid member 12 in the direction of the long side 1A (1F). becomes.

In this embodiment, as shown in FIGS. 16A and 16B, the engaging portion 71 (engaging portion 73) of the half-size lid member 12 is located on the long side portion 12A (long side portion 12C). The engaging portion 7C (engaging portion 7F) of the cover member 1 provided in the center is provided in the center of the short side portion 1B (short side portion 1H), but is not limited to this. The long side 1A of the lid member 1 and the short side 12D of the half-size lid member 12, and the long side 1F of the lid member 1 and the short side 12B of the half-size lid member 12 are positioned on the same straight line. When the short side portion 1B of the lid member 1 and the long side portion 12C of the half-size lid member 12 are arranged so as to contact each other, the engagement portion 71 of the half-size lid member 12 and the engagement portion of the lid member 1 are arranged. As long as 7C faces each other, the engaging portions 71 and 7C may be provided at other positions (positions shifted from the centers of the corresponding side portions (long side portion, short side portion)).

Also, as described above, the length K1 of the short side portion 12B of the half-size lid member 12 and the length M1 of the long side portion 1A of the lid member 1 have a relationship of 2K1=M1. Also, the length M4 is twice the length K3. The length M2 of the side portion (part of the long side portion 1A) of the engaging portion 7A on the one end 1C side of the long side portion 1A of the lid member 1 and the length M2 of the side portion of the engaging portion 72 of the half-size lid member 12 The length K2 of the side portion (part of the short side portion 12B) is the same. Further, the width of the engaging portion 7A and the engaging portion 72 are also the same. For this reason, as shown in FIG. 17B, one short side portion 1B of the lid member 1 and one long side portion 12A of the half-size lid member 12 are positioned on the same straight line, and one side of the lid member 1 is One long side 1A of the lid member 1 and one short side 12B of the half size lid member 12 are in contact with each other in a state in which the long side 1A and one short side 12B of the half size lid member 12 are parallel to each other. When both are arranged so as to contact each other, the engaging portion 72 of the half-size lid member 12 and the engaging portion 7A of the lid member 1 face each other. Then, the connecting member 10 (not shown) is engaged with the engaging portions 72 and 7A to connect them. As a result, the lid member 1 and the half-size lid member 12 are integrally formed into an L shape. The position of the engaging portion 72 of the half-size lid member 12 and the engaging portion 7A of the lid member 1 in the present embodiment is an example, and they may be provided at other positions as long as they face each other. good.

Also, the length M3 of the side of the engaging portion 7B on the other end 1D side of the long side 1A of the lid member 1 and the length of the long side of the engaging portion 73 of the half-size lid member 12 K2 are identical. Further, the width of the engaging portion 7B and that of the engaging portion 73 are also the same. Therefore, as shown in FIG. 18A, the long side portion 1A of the lid member 1 is aligned with the short side portion 1H of the lid member 1 and the long side portion 12A of the half-size lid member 12 in substantially the same straight line. and the short side portion 12D of the half-size lid member 12 are arranged parallel to each other, and when the long side portion 1A of the lid member 1 and the short side portion 12D of the half-size lid member 12 are placed in contact with each other, the half-size lid member 12 The engaging portion 73 of the size lid member 12 and the engaging portion 7B of the lid member 1 face each other. Then, the connecting member 10 (not shown) is engaged with the engaging portions 73 and 7B to connect them. As a result, the lid member 1 and the half-size lid member 12 are integrally configured in an inverted L shape. The position of the engaging portion 73 of the half-size lid member 12 and the engaging portion 7B of the lid member 1 in the present embodiment is an example, and they may be provided at other positions as long as they face each other. good.

17(B) and 18(A) are different in the short side portion of the half-size lid member 12 that is brought into contact with the one long side portion 1A of the lid member 1. FIG. That is, if the posture of the half-size lid member 12 when the half-size lid member 12 and the lid member 1 are arranged and connected in an L shape is defined as the reference posture, the half-size lid member 12 when arranged in an inverted L shape and connected is defined as the reference posture. The posture of the size lid member 12 is rotated 180 degrees around the central axis 120E (see FIG. 18A) of the half-size lid member 12 extending in the thickness direction A of the lid member from the standard posture. In order to arrange and connect the half-size lid member 12 and the lid member 1 in an L-shape or an inverted L-shape without worrying about the posture of the half-size lid member 12, for example, as shown in FIG. In addition, an engaging portion 720 is additionally provided in addition to the engaging portion 72 on the short side portion 12B side of the half-size lid member 12 (half-size cover portion 15), and/or the short side of the half-size lid member 12 In addition to the engaging portion 73, an engaging portion 730 may be additionally provided on the portion 12D side.

The engaging portion 720 has a length Q2 from the other end 120C of one short side portion 12B to the center of itself. That is, the engaging portion 720 has a length in the direction along the short side portion 12B from the other end 120C of one short side portion 12B to the end portion 720A of the engaging portion 720 on the side proximal to the other end 120C. It is configured to have a width of W2 while being set to K2. The engaging portion 730 has a length Q2 from the other end 120D of the other short side portion 12D to its center. That is, the engaging portion 730 has a length in the direction along the short side portion 12D from the other end 120D of the other short side portion 12D to the end portion 730A of the engaging portion 730 on the side proximal to the other end 120D. It is configured to have a width of W2 while being set to K2. The engaging portions 720 and 730 are provided at positions that are parallel to the long sides 12A and 12C and symmetrical about a center line 1G that passes through the midpoints of the short sides 12B and 12D. If the half-size lid member 12 is configured in this way, as shown in FIG. Alternatively, the long side portion 1A (or the long side portion 1F) of the lid member 1 and the short side portion 12D (or the short side portion 12B) of the half-size lid member 12 are positioned substantially on the same straight line. As long as the long side 1A (or the long side 1F) of the lid member 1 and the short side 12D (or the short side 12B) of the half-size lid member 12 are placed in parallel with each other, they are placed in contact with each other. , the positions of the engaging portions can be aligned without worrying about the posture of the half-size lid member 12.例文帳に追加

Further, as shown in FIG. 18(B), in the two half-size lid members 12, the short sides on one side and the short sides on the other side are positioned on the same straight line, and the half-size lid members are positioned on the same straight line. With the long side portions 12C of the size lid members 12 parallel to each other, when the long side portions 12C of the two half-size lid members 12 are placed in contact with each other, the long side portions 12C of the two half size lid members 12 are engaged with each other. The joint portions 74 face each other. Then, the connecting member 10 (not shown) is engaged with the two engaging portions 74 to connect them. As a result, as shown in FIG. 18(B), the two half-size lid members 12 integrated together have the same size as the lid member 1, and the positions of the engaging portions are also the same. It can be regarded as if the lid member 1 were formed. That is, the state in which the half-size lid member 12 is integrated in the manner described above is the same as the lid member 1 . As a result, as shown in FIG. 18(B), the two half-size lid members 12 integrated together are connected to the lid member 1 as in the case shown in FIGS. 5(A) and (B). can do.

With the half-size lid member 12 configured as described above, as shown in FIG. By appropriately combining members 12, an arrangement that minimizes dead space can be realized. In particular, the half-size lid member 12 has the same structure as the lid member 1 by combining two of them, so it is more convenient to use.

Further, in the lid member 1 of the other embodiment, four storage portions 9 are provided in each corner (see FIG. 3A). A total of two portions 9 are provided, one at each corner (see FIG. 16(A)). By reducing the number of housing portions 9, the design of the exterior can be improved. It should be noted that the number of half-size lid members 12 may be provided, but for example, they may be hidden by a blindfold member (not shown) that covers the housing portion 9 and hides it from the outside.

Also, in another embodiment, as shown in FIG. 1, the lid member 1 is placed on a correspondingly sized container 900 . Specifically, the container 900 having a size corresponding to the lid member 1 means that the size of the cover portion 2 of the lid member 1 protrudes outward from the outer edge 911 of the container 900 around the opening 910 of the container 900 shown in FIG. 2, for example. It is configured to the extent that Then, the standing portion 3 is provided starting from a portion that protrudes outward from the outer edge 911 of the container 900 (region near the outer edge of the cover portion 2).

Also in the half-size lid member 12 in this embodiment, a container (not shown) corresponding to the size of the half-size lid member 12 is provided. Specifically, the container corresponding to the size of the half-size lid member 12 is such that the size of the half-size cover portion 15 of the half-size lid member 12 protrudes outward from the outer edge of the container around the opening of the container. It is constructed. Then, the upright portion is provided starting from the portion that protrudes outward from the outer edge of the container (region near the outer edge of the cover portion).

Lid member 1 (first placement member) and half-size lid member 12 (second placement member), and lid member 1 (first placement member) and half-size lid member 12 (second placement member) The scope of the present invention also includes a mounting table set including a box member (first box member, second box member) such as a container having a size corresponding to each size of .

<Fourth embodiment>
A mounting table 16 according to a fourth embodiment of the present invention will be described with reference to FIG. As shown in FIG. 21 , the mounting table 16 is for mounting an article 700 and is composed of two lid members (mounting members) 1 and a box member 920 . The two lid members 1 are similar to those described in the first to third embodiments. As the box member 920 in this embodiment, a corrugated cardboard box composed of a corrugated cardboard material having a multi-layered structure of paperboard is assumed, but other materials may be used.

The first lid member (first mounting member) 17, which is one of the two lid members 1, mounts the box member 920 on its own box member mounting surface 5, as shown in FIG. The first lid member 17 has a caster mounting structure 8 to which casters having wheels can be mounted on the surface opposite to the box member mounting surface 5 (article mounting surface 4). For the caster mounting structure 8 of the first lid member 17, the description in <Caster mounting structure> in the first embodiment can be applied.

The other second lid member (second mounting member) 18 of the two lid members 1 is, as shown in FIG. 921) on the opposite side (the ceiling surface (upper surface) of the box member 920). An article 700 is placed on the article placement surface 4 of the second lid member 18 facing away from the box member 920 . Moreover, since the engaging part 7 is provided in the second cover member 18, it can connect with another adjacent mounting base 16 by a connection mechanism. The box member mounting surface of the first lid member (first mounting member) 17 on one side is the first box member mounting surface, and the box member mounting surface of the second lid member (second mounting member) 18 on the other side is the box member mounting surface. You may distinguish a surface from a 2nd box member mounting surface, and may call it.

By combining the two lid members 1 and the box member 920, the movable mounting table 16 can be easily configured. In particular, when the box member 920 is made of a water absorbing material such as corrugated cardboard, if the box member 920 is directly placed on a wet floor, the box member 920 will deform and lose its shape due to moisture. By placing it on the first lid member 17 having the caster mounting structure 8, it is possible to prevent the box member 920 from losing its shape due to moisture, so it is useful to use the first lid member 17 as described above. . Similarly, when an article such as vegetables that emits moisture is placed directly on the box member 920, at least its own surface (including the article placement surface 4) is made of a waterproof material. By placing the lid member 18 on the box member 920 and placing an article on the article placement surface 4 of the second lid member 18, it is possible to prevent the box member 920 from losing its shape due to moisture in the same manner as described above. Therefore, it is useful to use the second lid member 18 as described above. Note that the mounting table 16 may omit the caster mounting structure 8 .

Note that the mounting table 16 may be configured by replacing the lid member 1 with the half-size lid member 12 . A mounting table set including the mounting table 16 including the half-size lid member 12 and the mounting table 16 including the lid member 1 is also included in the scope of the present invention.

The lid member (mounting member), the mounting table, the lid member set (mounting member set), and the mounting table set of the present invention are not limited to the above-described embodiments, and the gist of the present invention is It goes without saying that various modifications can be made without departing from the scope.

1 Lid member (placement member)
2 Cover Part 3 Standing Part 4 Article Mounting Surface 5 Container Mounting Surface 6 Recess for Peripheral Wall 7 Engagement Part 8 Caster Mounting Structure 9 Housing Part 10 Connecting Member 11 Connecting Mechanism 12 Half Size Lid Member 15 Half Size Covering Part 16 Mounting Stand 50 Lattice 60 Drainage hole 70 Engagement hole 70A Engagement surface 80 Caster side recess 81 Caster side insertion hole 90 Storage side recess 91 Connection side recess 92 First leg side insertion hole 93 Second leg side insertion hole 94 1st finger insertion recess 95 2nd finger insertion recess 96 3rd finger insertion recess 97 4th finger insertion recess 100 first leg 101 second leg 102 connecting portion 110 connecting side insertion portion 111 connecting side receiving portion 112 Insert member 600 Peripheral wall member 700 Article 800 Caster 810 Wheel 900 Container

Claims (26)

A mounting member used for a box member,
an article placement surface on which an article is placed that faces the opposite side of the box member when the placement member is placed on the box member;
an engaging portion that is formed on the peripheral edge of the article placement surface and is capable of engaging with a connecting member that connects the placement members that are adjacent in parallel;
characterized by comprising
Mounting member. Further comprising the connecting member,
The connecting member is
two legs extending on the same side with a predetermined spacing;
a connecting portion that connects the two legs;
has
The engaging portion has an insertion hole into which the leg can be inserted,
When the leg portions are inserted into the insertion holes of the mounting members adjacent in parallel, the leg portions and the insertion holes are engaged with each other, and the connecting members connect the mounting members adjacent in parallel. is concatenated with
The mounting member according to claim 1. The insertion hole extends in the thickness direction of the mounting member in the vicinity of the outer edge of the mounting member,
The mounting member according to claim 2. The leg and the insertion hole have a connection-side lock structure in which the leg is restrained by the insertion hole when the leg is inserted into the insertion hole,
The mounting member according to claim 2 or 3. characterized in that when the connecting member is engaged with the engaging portion, the connecting member is positioned below the article placement surface in the thickness direction of the placing member,
The mounting member according to claim 1. The engagement portion has a recess recessed from the position of the article placement surface in the thickness direction of the placement member,
The recess has a depth such that when the communication portion of the connecting member is brought into contact with the innermost surface of the recess, the communication portion is located below the article placement surface in the thickness direction of the placement member. characterized by
The mounting member according to any one of claims 2 to 4. A caster mounting structure capable of mounting casters having wheels on the article mounting surface or the surface opposite to the article mounting surface,
The surface opposite to the surface on which the casters are attached constitutes a box member mounting surface on which the box member is mounted,
The mounting member according to any one of claims 1 to 6. characterized by comprising an accommodating portion capable of accommodating the connecting member so as not to protrude from the surface of the mounting member,
The mounting member according to any one of claims 1 to 7. an accommodating portion recessed in the thickness direction of the placing member and capable of accommodating the connecting member from the article placing surface or a surface opposite to the article placing surface;
The housing part is provided in an area overlapping with the area where the caster mounting structure is provided,
The mounting member according to claim 7. The accommodation portion has an accommodation side lock structure that restrains the connection member when the connection member is inserted into the accommodation portion,
The mounting member according to claim 8 or 9. a peripheral wall recess into which a peripheral wall member forming a peripheral wall surrounding the article placement surface can be inserted;
The peripheral wall recess is provided so as to surround the article placement surface,
The mounting member according to any one of claims 1 to 10. A placement member used for a box member that stores an article,
an article placement surface on which an article is placed that faces the opposite side of the box member when the placement member is placed on the box member;
a connection mechanism that detachably connects the mounting members adjacent in parallel;
characterized by comprising
Mounting member. The connecting mechanism is
a connecting member having two legs extending on the same side with a predetermined interval and a connecting portion connecting the two legs;
an engaging portion formed on the mounting member and engaged with the leg portion;
has
One of the leg portions and the other leg portion of the common connecting member are engaged with the engaging portions of the mounting members that form a pair adjacent to each other in parallel, thereby forming the pair of mounting members. characterized in that the members are connected,
The mounting member according to claim 12. a box member;
a first mounting member having a box member mounting surface on which the box member is mounted;
a second placement member placed on the upper surface of the box member placed on the box member placement surface;
with
The first placing member is
Having a caster mounting structure capable of mounting casters having wheels on the surface opposite to the box member mounting surface,
The second placement member is
an article placement surface on which an article is placed that faces the opposite side of the box member when the second placement member is placed on the box member;
an engaging portion that can be engaged with a connecting member that connects the second mounting members that are adjacent in parallel;
characterized by having
Mounting table. a box member;
a first mounting member having a first box member mounting surface on which the box member is mounted;
a second placement member placed on the upper surface of the box member placed on the first box member placement surface;
with
The second placement member has a second article placement surface on which an article is placed facing the opposite side of the box member when the second placement member is placed on the box member. ,
The surface of the second placement member opposite to the second article placement surface is configured to be a second box member placement surface on which the box member is placed,
The surface of the first mounting member opposite to the first box member mounting surface is different from the box member when the first box member mounting surface is brought into contact with the upper surface of the box member. It is configured to be the second article placement surface on which the article is placed facing the opposite side,
Mounting table. The box member is made of a water absorbing material that absorbs water,
At least the surfaces of the first placement member and the second placement member are made of a waterproof material that prevents moisture from entering from the outside.
The mounting table according to claim 14 or 15. A placement member set having a first placement member and a second placement member used for a box member,
The first placing member is
A first cover part that covers the upper surface of the box member by enclosing a first article placement surface on which an article is placed facing the opposite side of the box member when the cover part itself is placed on the box member. When,
a first engaging portion engageable with a connecting member that connects the second mounting members that are adjacent in parallel;
with
The second placement member is
A second cover part that covers the upper surface of the box member by enclosing a second article placement surface on which the article is placed while facing the opposite side of the box member when the cover part itself is placed on the box member. When,
a second engaging portion engageable with the connecting member that connects the first placing members adjacent in parallel;
with
The first covering portion of the first mounting member and the second covering portion of the second mounting member are configured in a rectangular shape,
The length of the short side portion (hereinafter referred to as the second short side portion) that constitutes the short side peripheral edge of the second cover portion of the second placing member is the length of the first 1/2 the length of the long side portion (hereinafter referred to as the first long side portion) that constitutes the long side peripheral edge of the cover portion,
The length of the long side portion (hereinafter referred to as the second long side portion) that constitutes the long side periphery of the second cover portion is equal to the length of the short side portion that constitutes the short side periphery of the first cover portion ( hereinafter referred to as the first short side).
Mounting material set. The first engaging portion is provided on the first short side portion side of the first cover portion,
The second engaging portion is provided on the second long side portion side of the second cover portion,
One of the first cover portions is positioned such that the two first long side portions of the first cover portion and the two second short side portions of the second cover portion are aligned on the same straight line. The first engaging portion and the second engaging portion are provided at positions facing each other when the short side portion and the second long side portion, which is one of the second cover portions, are brought into contact with each other. to be
The mounting member set according to claim 17. The first engaging portion is provided at the center of the first short side portion of the first cover portion,
The second engaging portion is provided in the center of the second long side portion of the second cover portion,
The mounting member set according to claim 18. The first engaging portion is provided on the first long side portion side of the first cover portion,
The second engaging portion is provided on the second short side portion side of the second cover portion,
The first short side of one of the first cover parts and the second long side of one of the second cover parts are positioned on the same straight line. The first engaging portion and the second engaging portion are provided at positions facing each other when the long side portion and the second short side portion of one of the second cover portions are brought into contact with each other. to be
The mounting member set according to any one of claims 17-19. The second engaging portion is provided at a position separated by a specific length along the second short side from one end of the second short side of one of the second cover portions,
The first engaging portion is provided at a position separated from one end of one of the first long sides of the first cover portion along the first long side by the same length as the specific length. characterized by
The mounting member set according to claim 20. The specific length is 1/2 of the total length of one of the first short sides of the first cover,
The mounting member set according to claim 21. The first engaging portion is additionally provided at a position separated by the specific length along the first long side from the other end of the first long side of one of the first cover portions,
The second engaging portion is the other second short side portion of the second cover portion, and is one end of the second short side portion on the same side as the one end of the second short side portion of the second cover portion. It is additionally provided at a position separated by the specific length along the second short side from
The mounting member set according to claim 21 or 22. The second engaging portions are provided at positions separated by the same length as the specific length from both ends of the second short side portion of the second cover portion along the second short side portion. to be
The mounting member set according to claim 23. a mounting member set according to any one of claims 18 to 24;
a first box member having a size corresponding to the size of the first placement member and on which the first placement member is placed;
a second box member having a size corresponding to the size of the second placement member and on which the second placement member is placed;
characterized by comprising
Mounting table set. A mounting member used for a box member,
an article placement surface on which an article is placed that faces the opposite side of the box member when the placement member is placed on the box member;
a caster mounting structure formed on a surface opposite to the article placement surface and capable of mounting casters having wheels;
The surface opposite to the surface on which the casters are attached constitutes a box member mounting surface on which the box member is mounted,
Mounting member.

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