JP6891022B2 - Wagon device and furniture system with top plate - Google Patents

Description

The present invention relates to a wagon device used by arranging it on the side of office fixtures in an office space such as an office or a public facility, and a fixture system with a top plate.

In offices, public facilities, and other office spaces, office fixtures with a top plate that have a top plate that forms the work surface are generally installed in order to carry out work efficiently.
On the side of such furniture with a top plate, a wagon for storing items for the worker to use for the work is often installed. By using a wagon, it is possible to improve the work efficiency of workers. Then, as these wagons, for example, as shown in Patent Documents 1 to 4, the wagon body is composed of a box-shaped wagon body provided with casters on the lower surface and opened on the front surface, and an article accommodating portion is formed inside the wagon body. At the same time, it is known that the upper surface side of the wagon body can also be used as an upper article storage space.

Japanese Patent No. 4285734 Japanese Patent No. 5226489 Japanese Patent No. 5336120 Japanese Patent No. 5853322

When a wagon that adopts the above-mentioned conventional structure is used by an employee (user) in combination with a fixture with a top plate, the wagon is placed at a position that is in front of the top plate of the fixture with a top plate. By doing so, the upper article storage space of the wagon is utilized.
However, in this case, since the front opening of the wagon faces a different direction from the user facing the top plate of the fixture with the top plate, the usability is poor and there is room for improvement in that respect.

The present invention has been made in view of the above-mentioned problems, and the wagon can be easily changed in direction and position according to the usage situation of the user, and the usability of the user can be improved. It is an object of the present invention to provide an apparatus and a fixture system with a top plate.

In order to achieve the above object, the wagon device according to the present invention has an upper storage portion having casters on the lower surface and an open upper portion, and an article accommodating area that can be opened laterally through an opening formed on one side surface. The opening / closing member includes an opening / closing member rotatably provided around a rotation axis arranged along the lower edge of the opening on the lower side of the opening. Is rotatably provided between the closed position for closing the opening and the open position where the upper end is located outside the opening and the opening is opened, and the rotating shaft is viewed from the rotation axis direction. Located above the lower end of the wagon body and inside the wagon body, the casters are arranged at least below the one side surface, and at the open position, a stopper for stopping the rotation of the opening / closing member is provided. In the open position, the casters, the rotating shafts, and the stoppers below the opening / closing member are arranged in this order in the direction from one side surface to the other side surface side .

Further, the furniture system with a top plate according to the present invention is characterized by including the above-mentioned wagon device and furniture with a top plate capable of arranging the wagon device in the space below the top plate.

In the present invention, by rotating the opening / closing member from the closed position to the open position, the stored items such as files can be easily accessed from above to the article storage area inside the wagon body and taken in and out. Since the wagon device is movable by the casters, the position of the opening / closing member can be arranged toward a position that is easy for the user to use. In particular, when the wagon device is used in combination with the fixture with a top plate, even when the wagon device is placed out from below the top plate of the fixture with a top plate, it is positive on the top plate of the fixture with a top plate. On the other hand, since the user can easily put the contents in and out of the upper storage portion of the wagon device and the article storage area, the usability as a fixture can be improved.
Further, in the present invention, the center of gravity of the opening / closing member can be positioned inside the wagon body when the opening / closing member is in the open position, so that the wagon device can be prevented from tilting toward the opening / closing member and tipping over. It can improve the stability as a fixture.

Further, in the wagon device according to the present invention, a storage box having an opening at the upper side is provided on the inner surface of the opening / closing member, and the inside of the storage box and the outside of the wagon body communicate with each other at the open position. It may be characterized by having.

In this case, as the opening / closing member rotates, the storage box capable of accommodating the contained object also rotates between the closed position and the open position. The contents can be easily taken in and out, and the usability is improved.

Further, in the wagon device according to the present invention, when the opening / closing member is in the opening position, the center of gravity of the contained object loaded on the opening / closing member is closer to the center of the caster located on the opening / closing member side. It is preferably located on the inner air side of the wagon body.

In this case, the center of gravity of the object that applies the load to the opening / closing member in the open position is on the inner air side of the wagon body from the center of the caster located on the opening / closing member side, so that the load applied to the opening / closing member. Can be efficiently supported by casters located on the opening / closing member side. Therefore, it is possible to balance the load of the entire wagon device and maintain a stable posture even when the opening / closing member is open, and it is possible to prevent the wagon device from tilting toward the opening / closing member side and tipping over.

Further, in the wagon device according to the present invention, it is preferable that the rotation of the opening / closing member is stopped by bringing the lower end of the opening / closing member into contact with the stopper at the opening position.

Further, wagon apparatus according to the present invention, the wagon body preferably counterweight is provided on the other side surface side.

In this case, the position of the center of gravity of the entire wagon device can be moved to the other side surface side by providing the counter weight on the other side surface side opposite to the one side surface side where the opening / closing member is provided in the wagon main body. Therefore, the bias of the load toward the opening / closing member in the open position can be suppressed to be small, the load balance of the entire wagon device can be improved, and the wagon device can be prevented from tipping over.

Further, in the wagon device according to the present invention, the wagon main body is provided with a lower connecting member for connecting the lower ends of side plates located on both sides of the opening / closing member on the other side surface side, and the counter is provided on the lower connecting member. It is preferable that a weight is provided.

In this case, since the counterweight is provided on the lower connecting member having a reinforcing function of connecting the lower ends of the side walls, the counterweight can be reliably held in a stable posture.

Further, in the furniture system with a top plate according to the present invention, it is preferable that the opening / closing member of the wagon device is arranged toward the user side facing the furniture with a top plate.

In this case, the upper storage portion and the article storage area can be arranged at a position that is easy for the user to use when facing the top plate of the fixture with the top plate, and the usability as the fixture can be improved. it can.

According to the wagon device of the present invention and the furniture system with a top plate, the orientation and position can be easily changed according to the usage situation of the user, and the usability of the user can be improved.

It is a perspective view which shows the whole structure of the furniture system with a top plate by embodiment of this invention. It is a perspective view of the wagon device shown in FIG. 1, and is the figure which shows the state which made the opening / closing plate open position. It is a perspective view of the wagon device shown in FIG. 1, and is the figure which shows the state which made the opening / closing plate a closed position. It is a front view which looked at the wagon device from the front side. FIG. 4 is a cross-sectional view taken along the line AA shown in FIG. 4 showing a state in which the opening / closing plate is in the closed position. FIG. 4 is a cross-sectional view taken along the line AA shown in FIG. 4 showing a state in which the opening / closing plate is in the open position. FIG. 4 is a cross-sectional view taken along the line BB shown in FIG. 4, showing a state in which the opening / closing plate is in a closed position. It is an enlarged view of the main part which shows the structure of the bottom frame of a wagon apparatus, and is the figure which was seen from the rear surface side. It is a front view of the cabinet which accommodates a plurality of wagon devices.

Hereinafter, the wagon device and the fixture system with a top plate according to the embodiment of the present invention will be described with reference to the drawings.

The fixture system with a top plate according to the present embodiment shown in FIG. 1 has a configuration including a wagon device 1 and a desk 5 (furniture with a top plate) in which the wagon device 1 can be arranged in the space below the top plate 51. It is a thing. The wagon device 1 according to the present embodiment can be easily put in and taken out by arranging the wagon device 1 according to the present embodiment near a position where a user working at a desk 5 (a fixture with a top plate) sits on a chair (not shown), for example, in an office. It is for storing documents and the like.
The wagon device 1 is formed in a box shape, and casters 12 are provided at the four corners of the lower surface 1a so as to be movable, and a plurality of wagon devices 1 can be housed in a cabinet 6 (see FIG. 9) described later. ..

The desk 5 is arranged on the floor surface at intervals from the top plate 51, four top plate support legs 52 for supporting the top plate 51, and a partition 53 attached to the rear end 51a of the top plate 51. And have. The shape and form of the desk 5 is not limited to the present embodiment, and an appropriate one can be adopted, and for example, the partition 53 can be omitted.

As shown in FIGS. 2 to 4, the wagon device 1 is an article that can be opened sideways through an upper storage portion 13 having an open upper portion and an opening 11a formed on one side surface (front plate 11A described later). Around the wagon main body 10 having the accommodating area R and the rotation axis C arranged below the opening 11a along the lower edge of the opening 11a, the closing position P0 that closes the opening 11a and the upper end are the openings. It is provided with an opening / closing plate 21 which is located outside the 11a and is rotatably provided between the opening position P1 and the opening position P1 which opens the opening 11a.
A storage box 20 having an opening above the opening / closing plate 21 is provided on the inner surface of the opening / closing plate 21. At the open position P1, the inside of the storage box 20 and the outside of the wagon main body 10 are configured to communicate with each other.

The wagon body 10 is a rectangular parallelepiped box that is long in one direction (rotation axis C direction in this embodiment, front-rear direction Df described later) formed from four side plates (11A, 11B, 11C, 11D) and a bottom frame 14. It is formed in a shape. The four side plates consist of a pair of front plates 11A and back plates 11B facing in one direction, and a pair of front plates 11C and rear plates 11D facing in the other direction. The front plate 11A has the above-mentioned opening / closing plate 21 arranged on the same surface, and is provided parallel to the back plate 11B. Further, the front plate 11C and the rear plate 11D are provided in parallel with each other.

Here, in the wagon device 1, the direction orthogonal to each surface direction of the front plate 11A and the back plate 11B of the wagon body 10 is referred to as a left-right direction Dh, and a direction orthogonal to the left-right direction Dh in a plan view from above is referred to as a front-rear direction. It is called direction Df. The front plate 11A is referred to as the front side in the left-right direction Dh, and the opposite side is referred to as the back side.

As shown in FIGS. 5 and 6, the opening / closing plate 21 arranged on the front side of the wagon device 1 closes the opening 11a below the front plate 11A so as to be openable and closable, and closes the lower end side as the rotation axis C. It is rotated between the position P0 and the open position P1. Specifically, the rotation shaft C according to the present embodiment is provided in the storage box 20 and is located above and inside the lower end of the wagon main body 10 when viewed from the rotation shaft C direction.
As a result, the opening / closing plate 21 is opened to the open position P1, so that the article accommodating area R in the wagon body 10 and the external area outside the wagon body 10 communicate with each other.
Then, the wagon device 1 is moved in and out of the space below the top plate 51 so that the front-rear direction Df coincides with the front-rear direction of the desk 5 (see FIG. 1), so that the opening / closing plate 21 faces the user side sitting on the chair. It can be arranged as follows.

As shown in FIGS. 2 and 3, the heights of the upper ends of the four side plates (11A, 11B, 11C, 11D) are all the same. The front plate 11A has a smaller vertical dimension than the other three side plates (11B, 11C, 11D), and is arranged only on the upper side of the wagon main body 10. Therefore, a rectangular opening 11a closed by the opening / closing plate 21 is formed in the lower portion of the front plate 11A.

As shown in FIG. 7, a rotation support shaft 15 is provided on the inner surfaces 11b and 11b of the pair of front plate 11C and the rear surface plate 11D, which face each other, at positions coaxial with the rotation shaft C. The rotation support shaft 15 is made of a columnar member and projects from the inner surface 11b of the front plate 11C and the rear plate 11D.

As shown in FIG. 8, the bottom frame 14 includes a bottom cover 16, a front support frame 30 fixed to the front side of the bottom cover 16, and a back support frame 40 fixed to the back side of the bottom cover 16 (lower connection). Member) and. The front support frame 30 and the back support frame 40 are reinforcing members for attaching the casters 12, respectively, extending in the front-rear direction Df and having both ends connected to the front plate 11C and the rear plate 11D to provide rigidity such as steel as members. The metal member to have is adopted.

The bottom cover 16 has a plate-shaped cover body 16A that covers the lower surface of the wagon body 10 and an outer peripheral rib 16B that extends upward from the outer peripheral edge of the cover body 16A. The back plate 11B, the front plate 11C, and the rear plate 11D are connected to the outer edge ends of the three sides of the bottom cover 16 excluding the outer edge on the front side. The bottom cover 16 is formed with an opening hole 16a in the portion where the casters 12 are arranged.

The front support frame 30 includes a first lower wall 31 to which casters 12 are fixed to the lower surface 31a, a folded wall 32 extending downward from the outer edge of the first lower wall 31 and further folded upward, and a first lower wall. A sloping wall 33 extending diagonally upward from an end portion on the back surface side of the wall 31 toward the back surface side is provided.
The caster 12 fixed to the first lower wall 31 projects downward from the bottom cover 16 through the opening hole 16a of the bottom cover 16. The folded wall 32 is fixed to the inside of the outer peripheral rib 16B of the bottom cover 16.

The first elastic rubber 34 is fixed to the inclined wall 33 via a first connecting member 35 such as a knockdown metal fitting. The contact surface 34a of the first elastic rubber 34 is substantially parallel to the surface of the inclined wall 33, and is in an obliquely upward posture toward the front side. The first elastic rubber 34 functions as a stopper that regulates the rotation of the opening / closing plate 21 in the opening direction. That is, when the opening / closing plate 21 reaches the opening position P1, the lower end 21a of the opening / closing plate 21 comes into contact with the first elastic rubber 34 and its rotation is stopped.

The first connecting member 35 is detachably connected to the inclined wall 33, and is a columnar connecting piece 35B having a connecting pin 35A forming a male screw and a female screw hole into which the male screw of the connecting pin 35A is screwed. A diameter-expanded head is formed on the side of the connecting pin 35A opposite to the male screw. The first elastic rubber 34 is fixed to the circular tip surface of the connecting piece 35B. In the present embodiment, the connecting pin 35A is inserted into the through hole formed in the inclined wall 33 from below, and the male screw of the connecting pin 35A is arranged on the contact surface side facing the diagonally front side. It is connected by screwing it into the hole. As a result, the first connecting member 35 is fixed to the inclined wall 33 by sandwiching the inclined wall 33 between the connecting piece 35B and the enlarged head of the connecting pin 35A, and the first elastic rubber 34 is attached to the tip surface of the connecting piece 35B. Is stuck.

The back support frame 40 includes a second lower wall 41 on which casters 12 are fixed to the lower surface 41a, a vertical wall 42 extending upward from the outer edge of the second lower wall 41, and a front side from the upper end of the vertical wall 42. It is provided with an overhang piece 43 that protrudes toward the surface.
The caster 12 fixed to the second lower wall 41 projects downward from the bottom cover 16 through the opening hole 16a of the bottom cover 16. The vertical wall 42 is fixed to the inside of the back plate 11B.

The back support frame 40 is formed with a storage recess 40a in which the counterweight 44 can be arranged in the vertical gap between the second lower wall 41 and the overhanging piece 43.
The counterweight 44 has a flat plate shape, and is placed on the second lower wall 41 in a state where an appropriate number (here, three) is stacked one above the other. Each counterweight 44 has through holes (not shown) penetrating in the thickness direction, and these through holes are arranged so as to be coaxial and fixed by screws. As described above, since the counterweight 44 is provided in the wagon body 10 on the side surface side (front plate 11A) opposite to the one side surface side (front plate 11A) where the opening / closing plate 21 is provided in the left-right direction Dh, the opening / closing plate 21 is opened. The counterweight 44 can balance the load in the left-right direction Dh with respect to the load applied to the front side in the open state at the position P1.
Further, in this case, since the counterweight 44 is provided on the back support frame 40 having the reinforcing function, the counterweight 44 can be reliably held in a stable posture.

A second elastic rubber 46 is fixed to the overhanging piece 43 via a second connecting member 45 such as a knockdown metal fitting. The second elastic rubber 46 is in a posture in which the contact surface 46a faces upward. The second elastic rubber 46 functions as a stopper that regulates the rotation of the opening / closing plate 21 in the closing direction. That is, when the opening / closing plate 21 reaches the closing position P0, the lower end 20a (see FIG. 5) on the back surface side of the storage box 20 including the opening / closing plate 21 comes into contact with the second elastic rubber 46 and its rotation is stopped. become.

The second connecting member 45 is detachably connected to the overhanging piece 43, and is a columnar connecting piece 45B having a connecting pin 45A forming a male screw and a female screw hole into which the male screw of the connecting pin 45A is screwed. A diameter-expanded head is formed on the side of the connecting pin 45A opposite to the male screw. The second elastic rubber 46 is fixed to the circular tip surface of the connecting piece 45B. In the present embodiment, the connecting pin 45A is inserted into the through hole formed in the overhanging piece 43 from below, and the male screw of the connecting pin 45A is arranged on the contact surface side facing the diagonally front side. It is connected by screwing it into the hole. As a result, the second connecting member 45 is fixed to the overhanging piece 43 by sandwiching the overhanging piece 43 between the connecting piece 45B and the enlarged head of the connecting pin 45A, and the second elastic rubber 46 is attached to the tip surface of the connecting piece 45B. Is stuck.

As shown in FIGS. 2 and 3, the upper storage portion 13 is arranged above the wagon main body 10 and is surrounded by side plates (11A, 11B, 11C, 11D). The bottom of the upper storage portion 13 is an upper and lower partition plate 17 (see FIGS. 5 and 6), and the upper storage portion 13 and the article storage area R are vertically partitioned and defined by the upper and lower partition plates 17. There is.

As shown in FIGS. 5 and 6, the storage box 20 includes a bottom plate 22 connected to the lower end of the opening / closing plate 21 described above, and a pair of front / rear side plates 23 extending from the front / rear end 21b of the opening / closing plate 21 toward the back side. A 23 and a back plate 24 arranged at the end of each of the pair of side plates 23, 23 on the back side are provided.

The storage box 20 is rotatably provided around the rotation shaft C provided on the wagon main body 10 together with the opening / closing plate 21. That is, the storage box 20 rotates about the front-rear direction Df as the center of rotation, and the opening / closing plate 21 is closed at a position located on the same plane as the front plate 11A. The pair of side plates 23, 23 and the back plate 24 constituting the storage box 20 are set to be at least half the height of the opening / closing plate 21.
In the storage box 20, a vertical gap 11c (see FIGS. 3 and 4) is formed between the opening / closing plate 21 and the front plate 11A at the closed position P0, and a finger is passed through the gap 11c to the wagon main body. The opening / closing plate 21 can be rotated toward you by inserting it into the 10 and pulling the upper part of the opening / closing plate 21 toward you with your finger.

On the outer surfaces of the side plates 23, 23 of the storage box 20, a rotation-supported portion 25 that rotatably locks to the rotation support shaft 15 is provided. The rotation-supported portion 25 has a recess 25a that opens downward at the closed position P0 and rotatably fits with the rotation support shaft 15 provided on the front plate 11C and the rear surface plate 11D of the wagon body 10. doing. As a result, in the rotation supported portion 25, the recess 25a rotates around the rotation support shaft 15, so that the storage box 20 rotates around the rotation shaft C.

In such a storage box 20, the upper side is an opening, and the storage box K such as a file can be stored in the storage box 20 from above.
In the wagon device 1 of the present embodiment, when the opening / closing plate 21 is in the open position P1, the center of gravity z of the container K housed in the storage box 20 is the center of the caster 12 located on the front side. It is set to be located on the inner air side of the wagon body 10 with respect to 12a. The center 12a of the caster 12 is located on a roller rotation shaft 12C (a two-dot chain line in the vertical direction shown in FIG. 5) that rotates the rollers around the vertical axis. That is, in the wagon device 1 of the present embodiment, the center of gravity z is set to be located inside the wagon body 10 with respect to the roller rotation shaft 12C when viewed from the rotation axis C direction as shown in FIGS. 5 and 6. ing.

Next, the operation of the above-mentioned wagon device and the fixture system with a top plate will be described in detail with reference to the drawings.
As shown in FIGS. 5 and 6, according to the configuration of the present embodiment, the opening / closing plate 21 is rotated from the closed position P0 to the open position P1 with respect to the article accommodating area R inside the wagon main body 10. The container K such as a file can be accessed from above and easily taken in and out. Since the wagon device 1 is movable by the casters 12, the position of the opening / closing plate 21 can be arranged toward a position that is easy for the user to use.
In particular, as shown in FIG. 1, when the wagon device 1 is used in combination with the desk 5, even when the wagon device 1 is placed out from below the top plate 51 of the desk 5, the desk 5 Since the user facing the top plate 51 can easily put the contained object K in and out of the upper storage portion 13 of the wagon device 1 and the article accommodating area R, the usability as a fixture can be improved.

Further, in the present embodiment, as shown in FIGS. 5 and 6, the position of the center of gravity z of the container K for applying the load to the opening / closing plate 21 at the opening position P1 is located on the opening / closing plate 21 side (front side). Since the wagon body 10 is on the inner air side of the center 12a of the caster 12 located, the load applied to the opening / closing plate 21 side can be efficiently supported by the caster 12 located on the opening / closing plate 21 side. Therefore, even when the opening / closing plate 21 is set to the open position P1, it is possible to balance the load of the entire wagon device 1 and maintain a stable posture, and prevent the wagon device 1 from tilting toward the opening / closing plate 21 and tipping over. can do.

Further, in the present embodiment, since the storage box capable of accommodating the stored object K also rotates between the closed position P0 and the open position P1 as the opening / closing plate 21 rotates, the opening / closing plate 21 is set to the open position P1. Occasionally, the storage box 20 can be easily put in and taken out of the storage material K such as a file, and the usability is further improved.

Further, in the present embodiment, the rotating shaft is provided in the housing box 20 and is located above and inside the lower end when viewed from the direction of the rotating shaft. Therefore, when the opening / closing plate 21 is set to the open position P1. The position of the center of gravity of the opening / closing plate 21 can be positioned inside the wagon body 10, the wagon device 1 can be prevented from tilting toward the opening / closing plate 21 and tipping over, and the stability as a fixture can be improved. ..

Further, in the present embodiment, the position of the center of gravity of the entire wagon device 1 is set to the other side surface side by providing the counter weight 44 on the other side surface side opposite to the one side surface side where the opening / closing plate 21 is provided in the wagon main body 10. Can be moved to. Therefore, the bias of the load toward the opening / closing plate 21 at the open position P1 can be suppressed to be small, the load balance of the entire wagon device 1 can be improved, and the wagon device 1 can be prevented from tipping over. it can.

As described above, in the wagon device and the fixture system with a top plate according to the present embodiment, the orientation and position can be easily changed according to the usage situation of the user, and the usability of the user is improved. be able to.

Although the embodiment of the wagon device and the fixture system with a top plate according to the present invention has been described above, the present invention is not limited to the above embodiment and can be appropriately modified without departing from the spirit of the present invention. is there.

For example, in the present embodiment, the wagon device 1 is configured such that the position of the rotating shaft C is located above and inside the lower end of the wagon main body 10 when viewed from the direction of the rotating shaft C, but the present invention is limited to this. Will not be done. For example, the lower end 21a of the opening / closing plate 21 may be a rotating shaft C, and the rotating shaft C may be on the same surface as the front plate 11A. In this case, the lower end 21a of the opening / closing plate 21 does not move to the inside of the wagon main body 10 in the left-right direction Dh as in the above-described embodiment.
Further, the storage box 20 may not be provided on the opening / closing plate 21 as in the present embodiment. In this case, only the opening / closing plate 21 is opened / closed.

Further, a handle or the like for opening / closing operation may be provided on the surface of the opening / closing plate 21. In this case, it is possible to omit the gap 11c formed between the opening / closing plate 21 and the front plate 11A as in the present embodiment.

Further, as shown in FIG. 9, the wagon device 1 of the present embodiment can be provided with a cabinet 6 capable of accommodating a plurality of wagon devices 1 (three in FIG. 9). The cabinet 6 is provided with a lockable personal cabinet body 61 at the top, and three wagon devices 1 are placed in a storage portion 62 below the cabinet body 61 with the front-rear direction Df facing the depth direction of the cabinet 6. The front plate 11C can be stored with the front plate 11C facing the surface. In this way, the stored wagon device 1 is configured so that only the front plate 11C is exposed so that the contained object cannot be seen.

In addition, it is possible to replace the components in the above-described embodiment with well-known components as appropriate without departing from the spirit of the present invention.

1 Wagon device 5 Desk (furniture with top plate)
6 Cabinet 10 Wagon body 11A Front plate 11B Back plate 11C Front plate 11D Rear plate 12 Caster 12a Center 13 Upper storage part 14 Bottom frame 15 Rotational support shaft 16 Bottom cover 17 Top and bottom partition plate 20 Storage box 21 Opening and closing plate (opening and closing member)
21a Lower end 25 Rotating supported part 30 Front support frame 34 1st elastic rubber 40 Back support frame 44 Counterweight 46 2nd elastic rubber Dh Left-right direction Df Front-back direction C Rotation axis P0 Closure position P1 Open position z Center of gravity

Claims (8)

A wagon body having casters on the lower surface and an upper storage portion that is open at the top, and an article storage area that can be opened to the side through an opening formed on one side surface.
An opening / closing member rotatably provided around the rotation axis arranged along the lower edge of the opening on the lower side of the opening.
Equipped with a,
The opening / closing member is rotatably provided between a closing position for closing the opening and an opening position where the upper end is located outside the opening and the opening is opened.
The rotation axis is located above the lower end of the wagon body and inside the wagon body when viewed from the direction of the rotation axis.
The casters are located below at least one side surface.
At the open position, a stopper for stopping the rotation of the opening / closing member is provided.
A wagon device characterized in that , when in the open position, the caster, the rotation shaft, and the stopper are arranged in this order below the opening / closing member in a direction from one side surface to the other side surface side. On the inner surface of the opening / closing member, a storage box having an opening at the upper side is provided.
The wagon device according to claim 1, wherein the inside of the storage box and the outside of the wagon body communicate with each other at the open position. The wagon device according to claim 1 or 2 , wherein the rotation of the opening / closing member is stopped by bringing the lower end of the opening / closing member into contact with the stopper at the open position. When the opening / closing member is in the opening position, the center of gravity of the contained object loaded on the opening / closing member is located on the inner air side of the wagon body with respect to the center of the caster located on the opening / closing member side. The wagon device according to any one of claims 1 to 3, wherein the wagon device is provided. Wherein the wagon body apparatus according to any one of claims 1 to 4, characterized in that the counterweight is provided on the other side surface side. The wagon body is provided with lower connecting members on the other side surface side for connecting the lower ends of the side plates located on both sides of the opening / closing member.
The wagon device according to claim 5, wherein the counterweight is provided on the lower connecting member. A fixture system with a top plate, which comprises the wagon device according to any one of claims 1 to 6 and a fixture with a top plate capable of arranging the wagon device in a space below the top plate. .. The fixture system with a top plate according to claim 7, wherein the opening / closing member of the wagon device is arranged toward the user side facing the fixture with a top plate.

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