WO2004073458A1 - Swing chair and child-care chair - Google Patents

Abstract

A detachable swing chair (1) has swing rods (21, 22) swingably supported on a base member (10) and a seat body (30) detachably supported on the swing rods (21, 22). The seat body (30) can be detached from the base member (10) and singly stand on a floor surface without support. Such self-supporting means has a front leg portion (35) positioned forward of the bottom of the seat body and a rear leg portion (36) positioned rearward of the bottom.

Description

 ■ Swing chair and childcare chair Technical field

 The present invention relates to a rocking chair and a childcare chair used as a chair or a bed especially for infants. Background art

 One example of this type of rocking chair is disclosed in Japanese Patent Application Laid-Open No. H11-89681. The swing chair disclosed in this publication includes a base having four wheels, and a seat swingably supported on an upper portion of the base. The seat performs a rocking motion at a high position off the floor.

 The rocking chair described above is provided to be rockable in order to comfort infants and young children. For this reason, rocking chairs are no longer necessary when infants grow up and are able to stand and walk alone. In other words, the use period of the conventional rocking chair is short. Disclosure of the invention

 An object of the present invention is to provide a rocking chair which can be used even after growing the chair used in infancy.

 Another object of the present invention is to provide a rocking chair capable of giving a clean impression in design.

 Still another object of the present invention is to provide a childcare chair which gives a crisp impression even in a design and can change the use form according to the surrounding conditions.

A detachable swing chair according to the present invention includes a base member, a swing member swingably supported by the base member, and a seat body detachably supported by the swing member. The seat body includes self-supporting means to allow it to stand alone. According to the present invention having the above-described structure, the seat body is detached from the base member at the stage when the infant grows and can stand, for example, or walk alone, and is allowed to stand on the floor. Therefore, the child can sit on the seat body standing on the floor. Thus, according to the present invention, the chair can be used for a long time. Continued use of the chair used in infancy, even after growth, can also last a long time in the memory of parental affection received during infancy, which has a positive effect on the child's brain growth. .

 The term “chair” as used herein is a concept including a chair that can be switched between a chair-like form and a bed-like form.

 The self-supporting means includes, for example, a front leg positioned at the front of the bottom of the seat body, and a rear leg positioned at the rear of the bottom. In order to enhance the safety, preferably, the sliding chair is provided with a connection state locking means for locking a connecting state between the sliding member and the seat body.

 In one embodiment, the swing member includes a pair of swing openings that extend in the width direction at front and rear intervals and that are slidably supported by the base member. The seat body includes a pair of notches on its bottom surface for receiving the pair of rocking rods. With such a configuration, the seat body can be easily removed from the base member by lifting the seat body upward. In this case, in order to enhance safety, preferably, the seat body includes a moving member movable between a position where each cut is closed and a position where the notch is opened, and a biasing member that brings the movable member to the closed position. And an operating member for moving the moving member.

In one embodiment, the base member includes a lower frame body located below, and an upper frame body movably supported by the lower frame body. The swing member is swingably supported by the upper frame body. As a more specific structure, the lower frame body includes a rectangular frame member having four or more wheels and extending substantially horizontally, and a lower vertical member rising upward from one side of the rectangular frame member and extending. An upper frame body aligned with the lower vertical frame member and supported by the lower vertical frame member so as to be vertically movable; and an upper frame member extending in a horizontal direction from an upper end portion of the upper vertical frame member. And an upper horizontal frame member protruding from the upper horizontal frame member. The swing member is It is swingably supported by the upper horizontal frame member.

 The reason why the rectangular frame member has four or more wheels is to realize more stable movement. The term “rectangular frame J” as used in this specification includes not only a square shape having four sharp corners but also a rounded shape and a shape close to a semicircle. For example, in the case of a rectangular frame having a rounded shape, more stable movement can be realized by setting the number of wheels to 6. In another embodiment of the present invention, the self-supporting means is retractably housed in the seat body. The seat body includes, for example, a backrest that can be tilted backward until it becomes a bed-like form, in which case the above-mentioned slide is used to stably support the posture of the bed-like form. The legs are provided so as to be able to be pulled out rearward from the back of the seat body, and preferably, the slide legs are provided such that the back surface thereof is substantially flush with the back surface of the seat body in the stowed state. ing.

 In another aspect of the present invention, a swing chair includes a base member, and a seat body swingably supported by the base member. The base member includes a horizontal frame member that extends substantially horizontally, and a vertical frame member that rises upward from one end of the horizontal frame member and extends, and has a substantially L-shape as a whole. A rocking chair having such a configuration can give a design-like, smooth impression. The vertical frame member extends upward from a front end of the horizontal frame member, for example.

 In the above chair, preferably, the seat body is supported on the base member so that the height can be adjusted. '' By providing the seat body so that the height can be adjusted in this way, the seat body can be maintained at an optimum height according to the surrounding situation. In addition, the seat body is preferably detachably supported by the base member. In this way, the seat body can be used alone, which is more convenient. In this case, the seat body preferably includes self-supporting means for enabling independent self-support.

Preferably, the horizontal frame member and the vertical frame member are provided so as to be foldable with respect to each other. With such a configuration, the base member can be compactly folded when the base member is not used, so that the bulk of the folded base member can be reduced. In one embodiment, the base member includes an upper horizontal frame member extending substantially horizontally from an upper end of the vertical frame member, and the seat body is swingably supported by the upper horizontal frame member. In this case, the upper horizontal frame member and the vertical frame member may be provided so as to be foldable with respect to each other.

 The seat body includes, for example, a seat portion and a backrest portion that can be tilted rearward until it becomes a bed shape.

 In still another aspect of the present invention, a childcare chair includes a base member and a seat body detachably supported by the base member. The base member includes a horizontal frame member extending horizontally and a vertical frame member extending upward from one end of the horizontal frame member, and has a substantially L-shaped shape as a whole. Present. The seat body preferably includes self-supporting means for enabling independent self-support. Further, in order to realize more various usage patterns, the seat body preferably includes a seat portion and a backrest portion which can be tilted backward until it becomes a bed-shaped configuration. More preferably, the seat body is swingably supported by the base member. Further, the seat body may be provided so as to be adjustable in height with respect to the base member.

 In one embodiment, the horizontal frame member and the vertical frame member are provided so as to be foldable with respect to each other. The base member includes, for example, an upper horizontal frame member extending substantially horizontally from an upper end of the vertical frame member, and the seat body is detachably supported by the upper horizontal frame member. The upper horizontal frame member and the vertical frame member may be provided so as to be foldable with respect to each other. BRIEF DESCRIPTION OF THE FIGURES

 FIG. 1 is a perspective view of one embodiment of the present invention.

 FIG. 2 is a side view of the detachable rocking chair shown in FIG.

 FIG. 3 is a perspective view of the base member.

 FIG. 4 is a side view of the seat body.

 FIG. 5 is a bottom view of the seat body.

 FIG. 6 is a cross-sectional view showing a connection structure between the swing member and the seat body.

Fig. 7 shows the front and rear sliders moved backward from the state shown in Fig. 6. It is sectional drawing.

 FIG. 8 is a cross-sectional view showing a state immediately before connecting the seat body and the swing member. FIG. 9 is a cross-sectional view showing a state where the seat body and the swing member are being connected. FIG. 10 is a cross-sectional view showing a structure for inhibiting the relative movement of the upper and lower vertical frame members.

 FIG. 11 is a cross-sectional view showing a state after the lever is rotated from the state shown in FIG.

 FIG. 12 is a side view showing a seat body according to another embodiment of the present invention.

 FIG. 13 is a rear view of the seat body shown in FIG.

 FIG. 14 is a side view showing a state where the backrest is tilted backward from the state shown in FIG. 12 until it becomes a bed-like form. BEST MODE FOR CARRYING OUT THE INVENTION

 1 and 2 show an embodiment of the present invention. The illustrated swing chair 1 includes a base member 10, a swing member 20 that is swingably supported by the base member 10, and a seat body 30 that is detachably supported by the swing member 20. Is provided. The seat body 30 is detached from the base member 20 and is shaped so that it can stand alone on the floor. FIG. 3 shows the base member 10, and FIG. 4 shows the seat body 30. First, the configuration of the base member 10 will be described with reference to FIG.

 The base member 10 includes a lower frame body 11 located below and an upper frame body 15 supported by the lower frame body 11 so as to be vertically movable. The lower frame body 11 includes a rectangular frame member 12 having four wheels 13 and extending substantially horizontally, and a rectangular frame member 12 rising from one side located at a front end thereof. And an extending lower vertical frame member 14. In the illustrated embodiment, the lower vertical frame member 14 is composed of two pipes.

The upper frame member 15 of the base member 10 is composed of an upper vertical frame member 16 which is arranged on the lower vertical frame member 14 and supported by the lower vertical frame member 14 so as to be vertically movable, and an upper vertical frame member. 16 includes an upper horizontal frame member 17 extending substantially horizontally rearward from an upper end portion of the upper horizontal frame member 17. In the illustrated embodiment, the upper vertical The frame member 16 is composed of two pipes, and the upper horizontal frame member 17 is composed of two rod-shaped plates. The width direction connecting member 18 is passed between the upper vertical frame members constituted by two pipes. ,

 The swing member 20 includes a pair of swing openings 21, 22 extending in the width direction at front and rear positions at intervals and supported swingably by the base member 10. Specifically, each of the swinging rods 21 and 22 has a U-shape, and both ends thereof are swingably supported by the upper horizontal frame member 17 of the base member 10. . The front swing rod 21 and the rear swing rod 22 are connected by a center connecting member 23 so as to maintain a constant interval.

 In the illustrated embodiment, the pair of swing openings 21 and 22 are moved manually, but may be moved electrically using driving means such as a motor. Next, the seat body 30 will be described mainly with reference to FIG. 1, FIG. 2 and FIG. The seat body 30 includes a seat 31, a backrest 32, a pair of side walls 33 extending upward from both sides of the seat 31, and a side wall 33. The table 34 is mounted on the top, the footrest (front leg) 35 extending downward from the front edge of the seat 31, and the rear leg 36 located behind the bottom. Prepare.

 As shown in FIGS. 1 and 2, a front notch 37 and a rear notch 38 for receiving the front swing rod 21 and the rear swing rod 22 are provided on the bottom surface of the seat body 30. The seat body 30 is supported on a pair of swing rods 21 and 22 to perform a swing motion. Each side wall portion 33 of the seat body 30 has an inverted U-shape to receive the upper horizontal frame member 17 of the base member 10 and the vertical rod portions of the swinging rods 21 and 22. .

 As shown in FIG. 4, the seat body 30 detached from the base part neo 10 can stand on the floor. In this embodiment, the self-supporting means for enabling independent self-supporting is composed of the footrest portion 35 and the rear leg portion 36 in the illustrated embodiment. The bottom surface of the footrest portion 35 and the bottom surface of the rear leg portion 36 come into contact with the floor surface, and the seat body 30 is maintained in an independent posture. 'Therefore, the child can sit on the seat body 30 placed directly on the floor. '

Means for enabling the seat body to stand alone can be any of the illustrated forms. It is not limited to. For example, the seat body may have a foldable leg, and the leg may be raised as necessary to make the seat body self-supporting. Next, with reference to FIGS. 5 and 6, a connection structure between the seat body 30 and the swing member 20 will be described in detail. '

 A pair of rail members 40 extending in the front-rear direction are fixedly attached to both sides of the bottom surface of the seat body 30. Each rail member 40 has a front notch 37 and a rear notch 38 for receiving the front swing rod 21 and the rear swing opening 22. As shown in FIG. 6, in each rail member 40, a front slider 41 and a rear slider which can move between a position for closing the front notch 37 and a position for opening the rear notch 38 and a position for opening the rear notch 38 are shown. The slider 42 is housed. The front slider 41 has a locking portion 41a for catching the front swing opening 21 received in the front notch 37, and the rear slider 42 has the rear received in the rear notch 38. It has a locking portion 42 a for capturing the sliding door 22. ·

 The front slider 41 has a connecting pin 44 with a head at its rear end. The connecting member 43 is located between the front slider 41 and the rear slider 42. The front end of the connecting member 43 is located on the shaft of the connecting pin 44, and the rear end thereof is in contact with the rear slider 42. A spring 45 fitted on the shaft of the connecting pin 44 biases the forward slider 41 to always bring it to the closed position.

 The pair of rear sliders 42 located on the left and right are connected via a fixing screw 49 and an operation rod 48. Each rail member 40 has an elongated hole 47 through which a fixing screw 49 passes. The operation rod 48 extending in the width direction can move in the front-rear direction by a length that allows the fixing screw 49 to move in the long hole 47. A spring 46 abutting the rear end of the rear slider 42 biases the rear slider 42 to always bring it to the closed position. The connection between the seat body 30 and the front and rear swing rods 21 and 22 is determined by the locking portions 41 a and 42 a of the front and rear sliders 41 and 42. The lower position keeps it stable.

When removing the seat body 30 from the base member 10, the operation rod 48 extending in the width direction is grasped by hand and pulled backward. Then, as shown in FIG. 7, the front and rear sliders 41 and 42 move rearward, and the cuts 37 and 38 are opened. In this state, the seat book If the body 30 is lifted upward, it can be easily separated from the base member 10. The operation for connecting the seat body 30 to the base member 10 is as follows. First, as shown in FIG. 8, the locking portion 42 a of the rear slider 42 is brought into contact with the rear swing rod 22, and in this state, the rear portion of the seat body 30 is moved downward. Then, the rear slider 42 moves backward so as to compress the spring 46 and guides the rear swing rod 22 into the rear cut 38. Next, as shown in FIG. 9, the engaging portion 41 a of the front slider 41 is brought into contact with the front swing opening 21, and in this state, the front portion of the seat body 30 is moved downward. . Then, the front slider 41 moves backward so as to compress the spring 45, and guides the front swing opening 21 into the front cut 37.

 In the illustrated embodiment, the height of the seat body 30 supported on the base member 10 can be changed. The structure for that will be described with reference to FIG. 10 and FIG. As described above, the base member 10 has the lower vertical frame member 14 and the upper vertical frame member 16 in the form of a pipe. The lower vertical frame member 14 is inserted into the upper vertical frame member 16.

 A resin bracket 50 is fixed to a lower end of the upper vertical frame member 16. As shown in FIG. 10, a lever 51 is rotatably attached to the resin bracket 50 via a shaft 52. An operation button 58 is formed at the rear end of the lever 51, and a lock pin 54 is attached to the front end through a connecting shaft 55 and a hole 56. In the state shown in FIG. 10, the tip of the lock pin 54 passes through the resin bracket 50 and the hole 57 of the upper vertical frame member 16 and engages with the hole 14 a of the lower vertical frame member 14. Therefore, the relative movement of the upper and lower vertical frame members 14 and 16 is prohibited. This state is stably maintained by the biasing force of the spring 53.

 When the height of the seat body 30 is to be changed, as shown in FIG. 11, the operation button 58 is pushed up to rotate the lever 51 counterclockwise. Due to the rotation of the lever 51, the lock pin 54 moves rightward in the drawing, and comes off the hole 14a of the lower vertical frame member 14. Therefore, the upper vertical frame member 16 can be moved in the vertical direction together with the seat body 30.

FIGS. 12 to 14 show a seat body 100 according to another embodiment of the present invention. The seat body 100 shown in the figure has a seat 101 and a reclining A backrest portion 102 held so as to be adjustable in height and a head guard portion 103 rotatably attached to an upper end of the backrest portion 102. The backrest 102 can be tilted backward until it is in the form of a bed as shown in FIG. When the seat body 100 is in the form of a chair as shown in FIG. 12, the head guard portion 103 opens the upper region of the backrest portion 102 so as to open the upper region. Force that is almost flush with the backrest surface of 2 \ Maintains a slight inclination angle with respect to the backrest surface. On the other hand, when the seat body 100 is in the form of a bed as shown in Fig. 14, the head guard 103 is bent with respect to the backrest surface to protect the top of the child. The angle is maintained.

 A front cut 13 7 and a rear cut 1 38 are formed on the bottom surface of the seat 101. The front cuts 13 7 and the rear cuts 13 8 have the same functions as the front and rear cuts 37, 38 of the above-described embodiment. That is, the front cuts 13 7 and the rear cuts 13 8 receive the front swing rod 21 and the rear swing opening 22 that are swingably supported by the base member.

 The seat 101 includes a slide leg 110 housed so as to be able to be pulled out rearward. The slide leg 110 includes an inverted U-shaped member 111 clearly shown in FIG. 13 and two slide bars 112 extending in the front-rear direction. As shown in FIGS. 12 and 13, when the slide legs 110 are stored, the rear surface of the slide legs 110, that is, the rear surface of the inverted U-shaped member 111 is the rear surface of the seat portion 101. It is provided so that it may become substantially the same plane.

 As shown in Fig. 14, when the seat body 100 is placed on the floor in the form of a bed, when the child's weight acts on the backrest portion 102 that is greatly inclined backward, Part 101 may become unstable. Therefore, as shown in the figure, the drawer seat body 100 is stably supported by the drawer seat body 100 drawn backward.

As described above, one embodiment of the present invention has been described with reference to the drawings. However, various modifications and variations can be made within the same scope as the present invention or within a scope equivalent to the present invention. For example, the form of the swinging member is not limited to the rod, and various forms are possible. Similarly, various forms of self-supporting means for enabling the seat body to stand alone can be considered. Further, in the illustrated embodiment, the seat body is swingable and detachable with respect to the base member, and furthermore, it is capable of standing alone independently. However, the following embodiment may be adopted. . Some of them are listed as examples.

 (1) The rocking chair includes a base member and a seat body movably supported by the base member. The base member includes a horizontal frame member extending substantially horizontally, and a vertical frame member rising upward from one end of the horizontal frame member and extending, and has a substantially L-shape as a whole. In the case of this embodiment, the seat body may be one that cannot be detached from the base member, or one that is detachable. Preferably, the seat body is supported on the base member so that the height can be adjusted so that the most suitable use form can be selected according to the surrounding situation. Means for enabling

 (2) In the case of an L-shaped base member, the horizontal frame member and the vertical frame member may be provided so as to be foldable with respect to each other. Further, the base member may include an upper horizontal frame member extending substantially horizontally from an upper end of the vertical frame member. In this case, the seat body is swingably supported by the upper horizontal frame member. Further, the upper horizontal frame member and the vertical frame member may be provided so as to be foldable with respect to each other. Various structures are possible for the horizontal frame member and / or the upper horizontal frame member to be foldable with respect to the vertical frame member.One example is an axis at a connecting portion of two intersecting frame members. Is rotatably connected via a cable. In this case, in the folded state, the horizontal frame member and / or the upper horizontal frame member can be brought close to and overlap the vertical frame member.

(3) A childcare chair that does not swing the seat body may be used. Specifically, the nursery chair includes a base member and a seat body detachably supported by the base member. The base member includes a horizontal frame member extending substantially horizontally, and a vertical frame member rising upward from one end of the horizontal frame member and extending, and has a substantially L-shaped shape as a whole. The seat body is preferably supported on the base member in a height-adjustable manner. Further, the seat body includes a self-supporting means for enabling independent self-supporting, and more preferably, a backrest capable of tilting backward until it becomes a bed-like form. Including part. Industrial applicability

 The present invention can be advantageously applied particularly to a swinging chair and / or a nursery chair used as a chair or table for infants.

Claims

The scope of the claims 1. Base member and  A swing member swingably supported by the base member,  A seat body detachably supported by the swing member,  The detachable swing chair, wherein the seat body includes a self-supporting means for enabling the user to stand alone.  2. The detachable rocking chair according to claim 1, wherein the self-standing means includes a front leg positioned forward of a bottom of the seat body, and a rear leg positioned rearward of the bottom.  3. The detachable rocking chair according to claim 1 or 2, further comprising a connection state opening means for checking a connection state between the rocking member and the seat body.  4. The swing member includes a pair of swing openings that extend in the width direction at front and rear positions at intervals and that are swingably supported by the base member.  The detachable rocking chair according to any one of claims 1 to 3, wherein the seat body includes a pair of cuts on a bottom surface thereof for receiving the pair of rocking rods.  5. The seat body is  A moving member capable of moving between a position for closing and opening each of the cuts, a biasing member for biasing the moving member to bring it to the closed position, and a moving operation of the moving member The detachable rocking chair according to claim 4, further comprising an operating member.  6. The base member includes a lower frame body located below, and an upper frame body supported by the lower frame body so as to be vertically movable,  The detachable swing chair according to any one of claims 1 to 5, wherein the swing member is swingably supported by the upper frame body.  7. The lower frame body includes a rectangular frame member having four or more wheels and extending substantially horizontally, and a lower vertical frame member extending upward from one side of the rectangular frame member and extending upward, An upper vertical frame member aligned with the lower vertical frame member and supported by the lower vertical frame member so as to be vertically movable; An attachment / detachment according to claim 6, further comprising an upper horizontal frame member extending horizontally from an upper end portion of the member, wherein the swing member is swingably supported by the upper horizontal frame member. Swing chair.  8. The detachable swing chair according to any one of claims 1 to 7, wherein the self-supporting means includes a slide leg retractably housed in the seat body.  9-The seat body according to claim 8, wherein the seat body includes a backrest portion that can be tilted backward until it becomes a bed-like form, and the slide leg is provided so as to be able to be pulled rearward from a back surface of the seat body. A detachable rocking chair as described.  10. The detachable rocking chair according to claim 9, wherein the slide leg is provided such that a back surface thereof is substantially flush with a back surface of the seat body in a stored state. 1 1-a base member having a substantially L-shape as a whole, including a horizontal frame member extending substantially horizontally, and a vertical frame member rising upward from one end of the horizontal frame member and extending upward;  A rocking chair, comprising: a seat body rockably supported by the base member.  12. The rocking chair according to claim 11, wherein the seat body is supported by the base member so as to be adjustable in height.  13. The rocking chair according to claim 11, wherein the seat body is detachably supported by the base member.  14. The rocking chair according to claim 11, wherein the seat body includes self-supporting means for enabling independent self-support.  15. The driving chair according to claim 11, wherein the horizontal frame member and the vertical frame member are provided so as to be foldable with respect to each other.  16. The base member includes an upper horizontal frame member extending substantially horizontally from an upper end of the vertical frame member,  The swing chair according to claim 11, wherein the seat body is swingably supported by the upper horizontal frame member.  17. The rocking chair according to claim 16, wherein the upper horizontal frame member and the vertical frame member are provided so as to be foldable with respect to each other. 1 8. The seat body has a seat and a back that can be tilted backward until it becomes a bed-like configuration. The rocking chair according to claim 11, further comprising:  19. A base member having a substantially L-shape as a whole, including a horizontal frame member extending substantially horizontally, and a vertical frame member rising upward from one end of the horizontal frame member and extending upward.  A childcare chair comprising: a seat body detachably supported by the base forest.  20. The childcare chair of claim 19, wherein the seat body includes self-supporting means for enabling independent self-support.  21. The nursing chair according to claim 19, wherein the seat body includes a seat portion and a backrest portion that can be tilted backward until it becomes a bed shape.  22. The nursing chair according to claim 19, wherein the seat body is movably supported by the base member.  23. The nursery chair according to claim 19, wherein the seat body is supported by the base member so as to be adjustable in height.  24. The childcare chair according to claim 19, wherein the horizontal frame member and the vertical frame member are provided so as to be foldable with respect to each other.  25. The base member includes an upper horizontal frame member extending substantially horizontally from an upper end of the vertical frame member,  21. The childcare chair according to claim 19, wherein said seat body is detachably supported by said upper horizontal frame member.  26. The nursery chair according to claim 25, wherein the upper horizontal frame member and the vertical frame member are provided so as to be foldable with respect to each other.