WO2019054648A1 - Power supply device to be provided in furniture, and smart furniture including same - Google Patents

Abstract

The present invention relates to: a power supply device to be provided in furniture, the power supply device being connected to an electronic device such as an electric lamp or a speaker so as to selectively supply power to the electronic device; and smart furniture including the same. The power supply device to be provided in furniture includes a rail part and a hub. The rail part has at least an open part, is provided in furniture and has a power supply terminal for supplying power to an electronic device inserted through the open area. The hub is inserted in the open area of the rail part so as to be detachably coupled to the rail part, and supplies, to the power supply terminal, power received from an external source when coupled to the rail part. The smart furniture includes the furniture, the rail part and the hub. The furniture has a provision hole formed on one surface thereof. The rail part has at least an open part, is provided in the provision hole of the furniture and has the power supply terminal for supplying power to the electronic device inserted through the open area. The hub is inserted in the open area of the rail part so as to be detachably coupled to the rail part, and supplies, to the power supply terminal, power received from the external source when coupled to the rail part.

Description

Power supply for furniture installation and smart furniture including it

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a power supply device for installing furniture, which selectively supplies power to an electronic device that is electrically connectable to a rail part according to whether a hub installed on a rail is coupled or not, and smart furniture including the same.

In general, desks are furniture for reading books or various office work, work or work, and when installed in an office space, they are arranged in various forms in order to efficiently arrange a plurality of users in a limited space.

When various electronic devices such as a lighting device and a speaker are installed and used on such a desk, power is supplied to the electronic device by using a multi-tap. However, when the line of the electronic device is short, it is troublesome to install a multi-tap and there is a drawback that the wire is exposed to the outside and the appearance is poor.

In addition, since most of the multi-taps are exposed on the floor, there is a fear that an electric shock accident may occur due to moisture during the floor cleaning.

The object of the present invention is to provide an electronic apparatus and a method of manufacturing the same, which can improve convenience by supplying power to electronic devices automatically when a hub is coupled to a rail, Power supply unit and smart furniture including the same.

According to an aspect of the present invention, there is provided a power supply apparatus for mounting a furniture, the apparatus including a rail and a hub. The rail portion is formed at least partially in an open form and is installed in the furniture, and has a power supply terminal for supplying power to the electronic device inserted through the opened portion. The hub is inserted into the open part of the rail part and detachably coupled to the rail part, and when the rail is coupled to the rail part, the power supplied from the outside is supplied to the power supply terminal.

Further, the smart furniture according to the present invention includes furniture, a rail part, and a hub. An installation hole is formed on one side of the furniture. The rail portion is formed at least partially in an open form and is installed in an installation hole of the furniture, and has a power supply terminal for supplying power to the electronic device inserted through the opened portion. The hub is inserted into the open part of the rail part and detachably coupled to the rail part, and when the rail is coupled to the rail part, the power supplied from the outside is supplied to the power supply terminal.

The power supply device for installing furniture according to the present invention automatically supplies power to the electronic device when the hub is coupled to the rail, thereby enhancing convenience. Particularly, since electronic devices are supplied with power in contact with the power supply terminals of the rail part, wires are not required for connection, and the aesthetic appearance can be improved.

In addition, since the power supply device for installing furniture is fixedly or detachably attached to a furniture such as a desk or a bed, there is no fear of electric shock due to moisture as in the conventional case when cleaning the floor.

In addition, since the power supply device for furniture installation includes the plug connection part and the USB port, it is possible to use an electronic device powered by a plug or a USB cable.

In addition, since the power supply device for furniture installation includes a network communication module such as Wi-Fi, Bluetooth, NFC, BECON, etc., it is possible to wirelessly connect to the Internet and use a cell phone or the like.

In addition, since the power supply device for installing furniture can control the electronic device according to the usage pattern of the user's electronic device through the automatic control device, the convenience is enhanced.

1 is a perspective view showing a state where a power supply for a furniture installation according to an embodiment of the present invention is installed in furniture.

2 is an exploded perspective view of the power supply device for furniture installation shown in Fig.

Fig. 3 is a perspective view showing the rail portion shown in Fig. 1. Fig.

Fig. 4 is a longitudinal sectional view of the rail portion shown in Fig. 3; Fig.

FIG. 5 is a perspective view illustrating the hub shown in FIG. 1; FIG.

Figs. 6 and 7 are longitudinal sectional views of the hub shown in Fig. 5; Fig.

8 is a perspective view showing the power transmission portion shown in Fig. 6; Fig.

9 is an exploded perspective view of the power transmitting portion shown in Fig.

10 is a block diagram of the power supply for furniture installation shown in Fig.

11 is a perspective view showing a state where a power supply for a furniture installation according to another embodiment of the present invention is installed in furniture.

12 is an exploded perspective view of the power supply for furniture installation shown in Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a power supply apparatus for a furniture installation according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. Here, the same reference numerals are used for the same components, and repeated descriptions and known functions and configurations that may obscure the gist of the present invention will not be described in detail. Embodiments of the invention are provided to more fully describe the present invention to those skilled in the art. Accordingly, the shapes and sizes of the elements in the drawings and the like can be exaggerated for clarity.

FIG. 1 is a perspective view showing a state where a power supply for a furniture installation according to an embodiment of the present invention is installed in a furniture, and FIG. 2 is an exploded perspective view of the power supply for a furniture installation shown in FIG. 3 is a vertical sectional view of the rail part shown in Fig. 3, Fig. 5 is a perspective view showing the hub shown in Fig. 1, and Fig. And Figs. 6 and 7 are longitudinal sectional views of the hub shown in Fig. FIG. 8 is an excerpt of the power transmission portion shown in FIG. 6, and FIG. 9 is an exploded perspective view of the power transmission portion shown in FIG. FIG. 10 is a block diagram of the power supply for furniture installation shown in FIG.

1 to 10, a power supply 100 for a furniture installation includes a rail part 110 and a hub 120. As shown in FIG. Here, the power supply device 100 for installing furniture is installed in the installation hole 10a of the furniture 10, and serves to selectively supply power to the electronic device 20 for furniture installation such as a lighting device and a speaker.

The rail part 110 is at least partly opened and is installed in the furniture 10 and may have a power supply terminal 130 for supplying power to the electronic device 20 inserted through the open part have. In the present embodiment, the rail 110 is installed on a desk, but the present invention is not limited thereto, and it can be installed in various furniture products such as a bed, a living room,

The rail part 110 may be fixedly or removably installed on the furniture 10. [ For example, the rail portion 110 can be fixed to the furniture 10 by using a separate fastening member, adhesive, or the like. When the rail part 110 is detachably attached to the furniture 10, magnets are attached to the contact surfaces of the rail part 110 and the furniture 10 so that the rail part 110 is separated from the furniture 10 Can be prevented. Here, the method of installing the rail part 110 in the furniture 10 is not limited to the illustrated example, and can be implemented in various ways.

Specifically, the rail portion 110 includes a body portion 111, a projection portion 112, and a connection groove portion 113.

The body portion 111 may extend in the left-right direction and may have a curved shape formed at both ends of the curved surface, and a step 111a may be formed in each of the inner circumferential surfaces on both sides in the longitudinal direction. Accordingly, when the hub 120 is inserted into the body portion 111 through the upper opening of the body portion 111, the hub 120 is supported through the step 111a and is not released to the outside.

The body portion 111 may be provided with power supply terminals 130 for supplying power to the electronic apparatuses 20 on both inner surfaces thereof. At this time, in order to connect the power supply terminal 130 and the electronic device 20, the electronic device 20 may be formed to include the connection member 21 separately provided. That is, the electronic device 20 may be manufactured separately from the outside, and may include a connection member 21 formed to contact the power supply terminal 130 when the electronic device 20 is inserted into the body portion 111.

Accordingly, when the electronic device 20 is inserted into the body portion 111 and the connection member 21 and the power supply terminal 130 are in contact with each other, the power supply terminal 130 and the connection member 21 are electrically connected , The electronic device 20 can receive power from the power supply terminal 130.

The projecting portion 112 protrudes outward from the upper end of the body portion 111. The lower surface of the protrusion 112 is brought into contact with the upper surface of the furniture 10 when the lower portion 110 is inserted into the installation hole 10a of the furniture 10 so that the lower portion 110 is separated from the furniture 10 It is possible to prevent the detachment.

The connection groove portion 113 may be recessed and formed long in the left and right direction on the inner circumferential surface of the rail portion 110. The power supply terminal 130 may be installed in the connection groove 113 in the longitudinal direction.

The hub 120 is inserted into the open part of the rail part 110 and is detachably coupled to the rail part 110 and can be selectively coupled to the rail part 110. Here, the coupling means a state in which the hub 120 can move in the left-right direction along the rail 110 but the movement in the vertical direction is restricted.

 The hub 120 may be configured to supply external power to the power supply terminal 130 when coupled to the rail 110. The hub 120 includes a power supply unit 140 that is supplied with power through an external power supply line 141 to selectively supply power to the power supply terminal 130 through the power supply unit 140 .

Specifically, the hub 120 includes a housing 121, a dial member 122, and a switch member 123.

The housing 121 is seated on the step 111a of the reamer 110 with a seating part on both outer sides. Accordingly, the housing 121 can slide in the left-right direction while being seated in the step 111a through the seat portion.

The dial member 122 is exposed to the outside of the housing 121 and is rotatable in the left-right direction. A keyway may be formed on the dial member 122 to rotate the dial member 122. In addition, a knob may be formed on the dial member 122, or the dial member 122 may be formed in a convex shape to rotate the dial member 122, and the method of rotating the dial member 122 is not limited to the example And can be implemented in various ways.

The switch member 123 may be formed in an 'a' shape. As the dial member 122 rotates, it is inserted into and out of the housing 121 and inserted into the connection groove 113 at the time of withdrawal and electrically connected to the power supply terminal 130. When the switch member 123 is pulled out of the housing 121 and inserted into the connection groove 113 as described above, the housing 121 is constrained to move up and down by the switch member 123. That is, the hub 120 is selectively coupled to the rail portion 110 through the switch member 123 and is electrically connected to the power supply terminal 130.

As shown in Figs. 8 and 9, the dial member 122 and the switch member 123 can be connected through the power transmitting member 125. Fig. Specifically, the power transmitting member 125 includes a pinion member 125a and a rack member 125b.

The pinion member 125a is connected to the lower portion of the dial member 122, and a thread is formed in a vertical direction around the pinion member 125a.

The rack member 125b is disposed so as to face each other with the pinion member 125a therebetween and a switch member 123 may be provided on a surface facing the connection groove 113. [

Specifically, the rack member 125b has a moving member 25a having a screw thread engaging with the pinion member 125a on one side and an extending member 25b extending in the vertical direction from one end of the moving member 25a can do. Here, the extension member 25b may be formed with a through-hole through which a part of the switch member 123 passes. The switch member 123 is exposed to the outside of the rack member 125b and the switch member 123 horizontally moves together with the rack member 125b when the pinion member 125a rotates, As shown in FIG.

For example, when the dial member 122 is rotated in one direction, the pinion member 125a connected to the lower portion of the dial member 122 also rotates in one direction, and the rack member 122a, which is engaged with both sides of the pinion member 125a, 125b horizontally move outwardly. At this time, since the rack members 125b face each other, the rack members 125b move in different directions when the pinion member 125a rotates.

The switch member 123 provided in each of the pair of rack members 125b is drawn out to the outside through the through hole provided in the housing 121 and inserted into the connection groove portion 113. Thus, 113). Accordingly, the power supply unit 140 and the power supply terminal 130 of the hub 120 can be energized and the current can be supplied from the power supply unit 140 to the electronic device 20. [

Conversely, when the dial member 122 is rotated in the opposite direction with the switch member 123 inserted in the connection groove 113, the rack member 125b horizontally moves inward. Since the switch member 123 provided on the rack member 125b is disconnected from the power supply terminal 130, the current supplied from the power supply unit 140 to the electronic device 20 can be cut off.

In order to increase the coupling force between the hub 120 and the rail part 110, the rail part 110 may be provided at a lower portion of the connection groove part 113 with a fixing groove part 114 formed to be long in the lateral direction . The power transmitting member 125 is provided with a fixing member 124 inserted into the fixing groove 114 when the dial member 122 rotates and is inserted into and out of the housing 121 together with the switch member 123, May be formed.

The fixing member 124 may be formed integrally with the rack member 125b and may be configured to protrude from the left or right side of the rack member 125b. That is, the fixing member 124 can be connected to the dial member 122 through the power transmitting member 125 like the switch member 123, and the driving method is the same as described above, and thus will not be described.

The hub 120 may further include a plug connection terminal 150 receiving power from the power supply unit 140 and at least one plug insertion hole connected to the plug connection terminal. As the plug connection unit 150 is further installed in the hub 120, an electronic device having a plug can be connected to the power supply device 100 for installing the furniture.

The hub 120 may further include a USB port 160 connected to the power supply unit 140. Accordingly, an electronic device having a USB cable can be connected to the power supply device 100 for installing a furniture.

The hub 120 may further include a network communication module 170 that receives and supplies power from the power supply unit 140. Here, the network communication module 170 may be a wireless network communication module including one selected from Wi-Fi, Bluetooth, NFC, and BECON. Accordingly, a user's notebook or cellular phone can be wirelessly connected to the Internet through the power supply device 100 for installing a furniture.

The power supply 100 for the furniture installation may further include an automatic control device 180 for automatically controlling the electronic device 20. [ The automatic control device 180 includes a PC 181 and a control unit 182. [

The PC 181 has a unique IP address and stores usage information of the electronic device 20. [ Here, the usage information may vary depending on the type of the electronic device 20. [ For example, when the electronic device 20 is a speaker, the usage information may be the volume of the speaker. When the electronic device 20 is a lighting device, the usage information may be illuminance.

The control unit 182 receives the database containing the usage information of the electronic device 20, calculates an average value, and controls the electronic device 20 through the calculated value. For example, when the electronic device 20 is a speaker, the volume value of the speaker is summed in units of a predetermined time, and this value is divided to calculate an average value. In this state, when the rail part 110 and the hub 120 are electrically connected, the control part 182 controls the volume of the speaker.

The automatic control device 180 may further include a communication module 183 for transmitting a database including usage information of the electronic device 20 to the external server 30. [ Accordingly, the external server 30 can receive the database through the communication module 183, analyze the user's tendency, and provide the service according to the analysis. At this time, the external server 30 can distinguish a plurality of users through the PC 181 having a unique IP address.

As described above, when the hub 120 is coupled to the rail portion 110, the power supply 100 for installing a furniture automatically supplies power to the electronic device 20, thereby enhancing convenience. In particular, since the electronic device 20 receives power from the power supply terminal 130 of the rail part 110 in a contact manner, it is possible to improve the aesthetic appearance because a wire is not required at the time of connection.

In addition, since the power supply device 100 for installing a furniture is fixedly or detachably attached to furniture such as a desk or a bed, there is no fear of electric shock due to moisture as in the conventional case when cleaning the floor.

Also, since the power supply device 100 for installing a furniture includes the plug connection unit 150 and the USB port 160, it is possible to connect the electronic device 20 powered by the plug or the USB cable.

In addition, since the power supply device 100 for installing furniture includes the network communication module 170 such as Wi-Fi, Bluetooth, NFC, BECON, etc., it is possible to wirelessly connect the power supply device 100 to the Internet.

In addition, the power supply device 100 for installing a furniture can control the electronic device 20 according to a user's electronic device usage pattern through the automatic control device 180, thereby improving convenience.

FIG. 11 is a perspective view illustrating a state where a power supply for a furniture installation according to another embodiment of the present invention is installed in a furniture, and FIG. 12 is an exploded perspective view of the power supply for a furniture installation shown in FIG.

As shown in FIGS. 11 and 12, the power supply device 200 for mounting a furniture may further include a support member 210 coupled to the rail 110 to allow an article to be mounted thereon. In the present embodiment, differences from the above-described embodiment will be mainly described.

The support member 210 includes a base frame 211 and a support frame 212.

The base frame 211 may be spaced upward from the furniture 10 and may have an insertion hole 211a into which the rail 110 is inserted. Here, the base frame 211 may have a separate spacing member 220 at the lower portion thereof and may be spaced apart from the furniture 10.

The rail 110 may be supported by the base frame 211. The protrusion 112 of the rail 110 may be formed in contact with the upper surface of the base frame 211 when the rail 110 is inserted into the insertion hole 211a of the base frame 211 have.

The support frame 212 may extend downwardly inclined from one end of the base frame 211. Thus, an article such as a book or a cellular phone can be mounted on the inclined surface of the support frame 212 and used. Here, the inclination of the support frame 212 is not limited, and may be adjustably formed by the user.

The lower end of the support frame 212 may be provided with a release preventing member 213 formed to enclose a lower part of the article placed on the inclined surface. As a result, the inclined surface of the support frame 212 can prevent the article from slipping out of the support frame 212 and escaping to the outside.

The smart furniture 1 according to an embodiment of the present invention can be formed to include the above-described power supply device 100 for installing a furniture. Here, the smart furniture 1 is the same as the structure shown in Figs. 1 to 12, and will be described with reference to Figs. 1 to 12. Fig. In the present embodiment, the difference from the above-described embodiment will be mainly described.

The smart furniture 1 comprises a furniture 10, a rail part 110, and a hub 120.

The furniture 10 may have a mounting hole 10a formed on one side thereof. In the present embodiment, the furniture 10 is shown as a bed, but the present invention is not limited thereto. The furniture 10 may be formed of various products such as a bed, a living room, and the like.

The rail part 110 is formed at least partially in an open form so as to be installed in the installation hole 10a of the furniture 10 and supplies power to the electronic device 20 inserted through the opened part The power supply terminal 130 may be provided.

The connection groove 113 and the fixing groove 114 may be formed in the inner circumferential surface of the rail portion 110 in the left and right direction and the power supply terminal 130 may be provided in the connection groove 113 in a long length .

The switch member 113 connected to the rack member 125b of the power transmitting member 125 when the dial member 122 rotates can be inserted into the connection groove 113 and electrically connected to the power supply terminal 130 And the fixing member 124 is inserted into the fixing groove 114 so that the coupling force between the rail 110 and the hub 120 can be increased.

The hub 120 is inserted into an open portion of the rail 110 and is detachably coupled to the rail 110. When the rail 120 is coupled to the rail 110, Supply. Here, the housing 111 of the hub 120 can be inserted into and supported by the rail part 110 and the furniture 10.

The hub 120 is engageable with the rail portion 110 through the power transmitting member 125 connecting the dial member 122 and the switch member 130. [ Here, the structure and the coupling operation of the hub 120 are the same as those described above, and will not be described.

The smart furniture 2 according to another embodiment of the present invention may be formed to include the power supply 200 for furniture installation shown in Figs. That is, the smart furniture 2 may be formed so as to further include the support member 210 which is coupled between the furniture 10 and the rail part 110 and is capable of mounting the article. Here, the abutment member 210 may be formed to include the base frame 211 and the support frame 212 described above.

Accordingly, since the article such as a book or a cellular phone can be used through the support member 210 installed in the smart furniture 2, convenience is improved.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation and that those skilled in the art will recognize that various modifications and equivalent arrangements may be made therein. It will be possible. Accordingly, the true scope of protection of the present invention should be determined only by the appended claims.

Claims (22)

At least a part of which is in the open form and is installed in the furniture and has a hollow rail part having a power supply terminal for supplying power to the electronic device inserted through the open part; And A hub inserted into the opened portion of the rail to be detachably coupled to the rail and supplying power supplied from the outside when the rail is coupled to the power supply terminal; A power supply for mounting furniture comprising: The method according to claim 1, The rail portion A body portion formed in a ring shape having curved surfaces at both ends and having a step formed on both inner circumferential surfaces to respectively support the hub in the longitudinal direction, And a protrusion protruding outward from an upper end of the body portion. 3. The method of claim 2, A connecting groove portion having a longer length in the left-right direction is formed in the inner peripheral surface of the rail portion, Wherein the power supply terminal is provided in the connection groove portion in the longitudinal direction. The method of claim 3, The hub includes: A housing having seats on both outer surfaces thereof and seated on a step of the reamer; A dial member exposed to the outside of the housing and rotatable in the left and right direction, And a switch member inserted into / out from the housing as the dial member rotates and inserted into the connection groove portion when drawn out and electrically connected to the power supply terminal. 5. The method of claim 4, Wherein the dial member and the switch member are connected through a power transmitting member, The power transmitting member includes: A pinion member connected to a lower portion of the dial member and having a thread formed in a vertical direction around the pinion member, Wherein the switching member is provided on a surface facing the connection groove portion, and is engaged with the pinion member, so that when the pinion member is rotated, And a rack member which horizontally moves in the horizontal direction. 6. The method of claim 5, The rack member A moving member having a thread formed on one surface thereof and meshing with the pinion member, And an extension member extending in a vertical direction from one end of the movable member and having a through hole through which a part of the switch member is formed. 6. The method of claim 5, Wherein a fixing groove portion having a long length in the left-right direction is recessed and formed in an inner peripheral surface of the rail portion, Wherein the power transmitting member is formed with a fixing member that is inserted into and out of the housing together with the switch member as the dial member rotates and inserted into the fixing groove portion when the dial member is drawn out. The method according to claim 1, The hub further includes a power supply unit that is supplied with power through an external power supply line, Wherein the power supply unit selectively supplies power to the power supply terminal. 9. The method of claim 8, The hub includes: Further comprising a plug connection terminal to which power is supplied from the power supply unit and at least one plug insertion hole connected to the plug connection terminal. 9. The method of claim 8, Wherein the hub further comprises a USB port coupled to the power supply. 9. The method of claim 8, The hub includes: And a network communication module for receiving power from the power supply unit and driving the power supply unit. The method according to claim 1, Further comprising an automatic control device for automatically controlling the electronic device, The automatic control device includes: A PC having a unique IP address and storing usage information of the electronic device; And a control unit for receiving a database including usage information of the electronic equipment, calculating an average value, and controlling the electronic equipment through the calculated value. 13. The method of claim 12, Wherein the automatic control device further comprises a communication module for transmitting a database including usage information of the electronic device to an external server. The method according to claim 1, And a support member coupled to the rail to allow the article to be mounted thereon. 15. The method of claim 14, The support member A base frame spaced upward from the furniture and having an insertion hole into which the rail is inserted, And a support frame extending downwardly from one end of the base frame and having a release preventing member formed at a lower end to enclose a lower part of the article. Furniture with mounting holes on one side; A hollow rail part having at least a part of an open form and installed in a mounting hole of the furniture and having a power supply terminal for supplying power to the electronic device inserted through the opened part; And A hub inserted into the opened portion of the rail to be detachably coupled to the rail and supplying power supplied from the outside when the rail is coupled to the power supply terminal; Including smart furniture. 17. The method of claim 16, A connection groove portion and a fixing groove portion each having a long length in the left-right direction are formed in the inner peripheral surface of the rail portion, Wherein the power supply terminal is provided in the connection groove portion in the longitudinal direction, Wherein the power transmitting member is formed with a fixing member that is inserted into / out from the housing together with the switch member as the dial member rotates and inserted into the fixing groove portion when the dial member is drawn out. 18. The method of claim 17, The hub includes: A housing which is inserted into and supported by the rail and the furniture; A dial member exposed to the outside of the housing and rotatable in the left and right direction, A switch member inserted into / out from the housing as the dial member rotates, inserted into the connection groove portion when the dial member is drawn out and electrically connected to the power supply terminal, And a fixing member which is inserted into / out of the housing together with the switch member as the dial member rotates and inserted into the fixing groove portion when the dial member is drawn out. 19. The method of claim 18, Wherein the dial member and the switch member are connected through a power transmitting member, The power transmitting member includes: A pinion member connected to a lower portion of the dial member and having a thread formed in a vertical direction around the pinion member, Wherein the switching member is provided on a surface facing the connection groove portion and is engaged with the pinion member so that the rotation direction of the pinion member when the pinion member is rotated And a rack member that horizontally moves to a second position. 17. The method of claim 16, The hub includes a power supply unit that is supplied with power through an external power supply line to selectively supply power to the power supply terminal, A plug connection terminal having at least one plug insertion hole connected to the plug connection terminal, A USB port connected to the power supply unit, And a network communication module for receiving and driving power from the power supply unit. 17. The method of claim 16, And a support member coupled between the furniture and the rail to enable the installation of the article. 22. The method of claim 21, The support member A base frame spaced upward from the furniture and having an insertion hole into which the rail is inserted, And a support frame extending downwardly from one end of the base frame and having a release preventing member formed at a lower end to enclose a lower portion of the article.

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