JP7502877B2 - furniture - Google Patents

Description

The present invention relates to furniture that includes a plate-like member, such as a tabletop, and a support that supports the plate-like member.

Office desks have a variety of support structures for the top, but the most well-known type has both left and right ends supported by plate- or rod-shaped legs. Patent Document 1 discloses a desk in which the legs are made up of upright supports on a leg base that extends in the front-to-rear direction (width direction of the top), and the legs support both the left and right ends of the top.

Japanese Utility Model Publication No. 3-019773

However, the desk disclosed in Patent Document 1 has a structure in which the top is supported only by the left and right legs, which causes the problem of low rigidity (durability) against lateral shaking (sideways movement). In this regard, methods have already been used to improve the rigidity of desks by providing a back panel or beam. By providing a back panel or beam that functions as a reinforcing member, the desk can be made sturdy even with a small back panel, but providing a back panel or beam solely for the sake of strength is not desirable in terms of the number of parts and costs. Another problem is that it impairs the aesthetic appearance.

The technical objective of the present invention is to provide furniture that has been improved upon based on the current situation described above.

A first aspect of the furniture of the present invention is as follows: That is, the furniture comprises a plate-like member extending in the horizontal direction, and a support member extending in the vertical direction and supporting at least one side of the plate-like member, and has the following rigid joint structure A and/or B connecting the plate-like member and the support member.
A. The upper portion of the support has a first surface , a second surface intersecting the first surface , and a third surface intersecting the second surface and parallel to the first surface , and one side of the plate-like member has a first opposing surface opposite the first surface, a second opposing surface intersecting the first opposing surface and opposite the second surface, and a third opposing surface intersecting the second opposing surface, parallel to the first opposing surface, and opposite the third surface ;
The plate-like member and the support body are connected with the first surface and the first opposing surface overlapping, the second surface and the second opposing surface overlapping , and the third surface and the third opposing surface overlapping .
B. In the plate-like member and the support, overlapping portions are connected by fasteners, adjacent narrow end faces are fastened by L-shaped metal fittings overlapping these end faces , the narrow end faces of the plate-like member and the support are each covered with an edge material, and the L-shaped metal fittings are configured to fit into recesses formed in the plate-like member and the support at the portions facing the L-shaped metal fittings and/or to fit into recesses formed in the edge material at the portions facing the L-shaped metal fittings .

A second aspect of the furniture of the present invention is as follows: The furniture comprises a plate-like member extending in the horizontal direction, and a support member extending in the vertical direction to support at least one side of the plate-like member, and has the following rigid joint structures A and B that connect the plate-like member and the support member .
A. The upper portion of the support has at least a first surface and a second surface intersecting the first surface, and one side of the plate-like member has at least a first opposing surface that faces the first surface and a second opposing surface that intersects with the first opposing surface and faces the second surface;
The plate-like member and the support body are connected in a state in which the first surface and the first opposing surface overlap, and the second surface and the second opposing surface overlap.
B. The overlapping portions of the plate-like member and the support are connected by fasteners, and adjacent narrow end faces are fastened to each other by L-shaped metal fittings that overlap these end faces.

The furniture of the present invention may have the rigid joint structure of A, and be set so that the upper end of the support is at a height lower than the upper surface of the plate-like member when the plate-like member and the support are connected. The furniture of the present invention may have the rigid joint structure of A, and be connected by a fastener between the second surface of the support and the second opposing surface of the plate-like member.

The furniture of the present invention may have the rigid joint structure A, and adjacent narrow end faces of the plate member and the support may be fastened together by L-shaped metal fittings that overlap these end faces.

The furniture of the present invention may have a rigid joint structure of A and B, the support body may be substantially rectangular in side view, and the depth dimension of the support body may be substantially equal to the depth dimension of the plate-like member.

The furniture of the present invention may have a rigid joint structure of A and B, and the plate-like member and/or the support may be constructed as a laminate including an aluminum honeycomb-shaped core material, an aluminum middle plate fixed to the front and back of the core material, and a decorative plate applied to the front side of the middle plate.

In the furniture of the present invention, the core material may be surrounded by a frame material, and the recess may be formed in the frame material.

According to the present invention, by adopting at least one of the rigid joint structures A and B, the connection strength between the plate-like member and the support can be dramatically increased, and the rigidity (durability) of the furniture against lateral shaking (lateral vibration) can be significantly improved.

FIG. 2 is an overall perspective view of the desk according to the embodiment. FIG. FIG. 3 is a cross-sectional side view taken along line III-III of FIG. 2. FIG. FIG. 5 is a cross-sectional plan view taken along the line VV in FIG. 4 . FIG. 1A is a front view of the tabletop and legs separated from each other, and FIG. 1B is a front view of the tabletop and legs placed together. FIG. 13 is a front view of the connecting portion between the tabletop and legs with the L-shaped metal fittings attached. An enlarged cross-sectional plan view of the tabletop and legs. An enlarged front cross-sectional view of the tabletop and legs.

Next, an embodiment of the present invention will be described with reference to the drawings. In this embodiment, the present invention is applied to an office desk (which may also be called a table or desk). In the following description, terms such as "front-rear" and "left-right" are used to specify directions, but the shorter side of the desk's top plate 1 is defined as the depth direction or front-rear direction, and the direction perpendicular to this is defined as the left-right direction. In addition, the front-rear and left-right directions are collectively defined as the horizontal direction, and the directions perpendicular to this are defined as the up-down direction and the vertical direction. These terms are used for convenience of explanation and do not limit the technical scope of the present invention.

As shown in FIG. 1, the desk of the embodiment includes a top plate 1, which is a plate-like member having a rectangular (rectangular) shape in a plan view, and legs 2 that extend vertically (up and down) and serve as supports that support at least one side of the top plate 1. In the embodiment, the upper parts of the legs 2 are connected to both the left and right sides of the top plate 1. In other words, the top plate 1 is supported by a pair of left and right legs 2.

As shown in FIG. 3, the tabletop 1 of the embodiment has a laminated structure including an aluminum honeycomb-shaped core material 3, aluminum top plates 4 fixed to the front and back (top and bottom) of the core material 3, and top decorative panels 5 applied to the front side (top and bottom outer side) of each top plate 4. The top plates 4 are attached to the front and back of the core material 3 by gluing or welding. The top decorative panels 5 are attached to the front side (top and bottom outer side) of the corresponding top plate 4 by gluing via a backer material 6. By adopting such a laminated structure, the tabletop 1 can be made lighter while giving it a sense of solidity, luxury, and high strength.

As shown in Figure 2, the top core material 3 is surrounded by a top frame material 7 such as a molded board made of wood fiber. The top frame material 7 is sandwiched between a pair of top boards 4 on the front and back. Top edge materials 8 on the left and right are glued to the narrow front and back end faces of the top board 1. In other words, the narrow front and back end faces of the top board 1 are covered by the top edge material 8. The top edge material 8 hides the front and back end faces of the top frame material 7, top boards 4, and top decorative boards 5, improving the aesthetic appearance of the top board 1 (see Figures 1 and 3).

As shown in FIG. 4, the legs 2 in each embodiment are configured as flat plates that are approximately rectangular in side view. The depth dimension (also referred to as the front-to-back width dimension) of the legs 2 is set to be approximately equal to the depth dimension of the tabletop 1 (see FIG. 1). Therefore, when the tabletop 1 is supported by a pair of left and right legs 2, it is possible to prevent the tabletop 1 from shaking (vibrating) in the depth direction.

As shown in FIG. 5, like the tabletop 1, the legs 2 have a laminated structure including an aluminum honeycomb-shaped leg core material 9, aluminum leg mid-plates 10 fixed to the front and back (left and right) of the leg core material 9, and leg decorative panels 11 applied to the front side (left and right outer side) of each leg mid-plate 10. The leg mid-plates 10 are attached to the front and back of the leg core material 9 by gluing or welding. The leg decorative panels 11 are attached to the front side (top and bottom outer side) of the corresponding leg mid-plate 10 by gluing via a backer material 12.

By adopting such a laminated structure, it is possible to reduce the weight of the leg body 2 while giving the leg body 2 a sense of solidity, a sense of luxury, and high strength. Therefore, according to the embodiment, by adopting the above-mentioned laminated structure, it is possible to realize a desk that combines a sense of solidity, high strength, and light weight.

As shown in FIG. 4, the leg core material 9 of the leg body 2 is also surrounded by a leg frame material 13 such as a molded board made of wood fiber. The upper and lower surfaces of the leg frame material 13 are sandwiched between a pair of leg mid-plates 10 on the front and back. The narrow front and rear end surfaces of the leg body 2 are also glued with upper and lower long leg edge materials 14. In other words, the narrow front and rear end surfaces of the leg body 2 are covered with the leg edge material 14. The front and rear end surfaces of the leg frame material 13, leg mid-plate 10, and leg decorative plate 11 are hidden by the leg edge material 14, improving the aesthetic appearance of the leg body 2 (see FIG. 1 and FIG. 5). Screw-in type adjusters 15 are provided protruding downward on both the front and rear sides of the lower end surface of each of the left and right legs 2 (see FIG. 4).

As shown in FIG. 2, a horizontal passage 16 is formed on the left front side of the tabletop 1, extending in a generally L-shape from the left side of the front end to the center of the left side end. The top core material 3 has been removed from the horizontal passage 16 in the tabletop 1. A top frame material 7 is arranged on both the left and right sides of the horizontal passage 16. The top and bottom of the horizontal passage 16 are divided by a pair of top and back center plates 4. A front-to-back through hole 17 that communicates with the horizontal passage 16 is opened at a location on the left side of the front end surface of the tabletop 1. The through hole 17 is formed through the top frame material 7 and top edge material 8, and is closed by a cap 18 in an openable and closable manner (see FIG. 2).

As shown in FIG. 4, a vertical passage 19 is formed in the center of the leg body 2 on the left side, penetrating the leg body 2 from top to bottom. The leg core material 9 has been removed from the vertical passage 19 portion of the leg body 2. Leg frame materials 13 are arranged on both the front and rear sides of the vertical passage 19. The top and bottom of the vertical passage 19 are partitioned by a pair of leg middle plates 10 on the front and back.

In this embodiment, the horizontal passage 16 and vertical passage 19 are connected when the left side of the tabletop 1 and the upper part of the left leg 2 are connected. This allows cables for electronic devices, for example, to be pulled out from the floor onto the tabletop 1 through the vertical passage 19, horizontal passage 16, and insertion hole 17, and the cables can be neatly managed around the desk for a good appearance. It also prevents people's feet from getting caught in the cables. Note that the vertical passage 19 is not formed in the right leg 2 in this embodiment.

Now, as shown in Figures 6 to 8, the left and right side ends of the tabletop 1 and the upper ends of each leg 2 are formed with stepped steps 21, 22 that can be stacked to complement each other's shapes, and the left and right side ends of the tabletop 1 and the upper ends of each leg 2 are connected in a state where the steps 21, 22 are stacked on top of each other. This structure corresponds to the rigid joint structure A described in the claims.

In the embodiment, the leg step 22 on the leg body 2 side has a substantially horizontal first surface 22a, a substantially vertical second surface 22b intersecting with the first surface 22a, and a substantially horizontal third surface 22c intersecting with the second surface 22b and parallel to the first surface 22a. The top step 21 on the tabletop 1 side has a substantially horizontal first opposing surface 21a facing the first surface 22a on the leg body 2 side, a substantially vertical second opposing surface 21b intersecting with the first opposing surface 21a and facing the second surface 22b, and a substantially horizontal third opposing surface 21c intersecting with the second opposing surface 21b, parallel to the first opposing surface 21a, and facing the third surface 22c.

8 and 10, when the left and right side ends of the tabletop 1 and the upper ends of the legs 2 are connected, the first surface 22a overlaps with the first opposing surface 21a, the second surface 22b overlaps with the second opposing surface 21b, and the third surface 22c overlaps with the third opposing surface 21c. The top step 21 and the leg step 22 only need to have at least the first opposing surface 21a and the second opposing surface 21b, and the first surface 22a and the second surface 22b. Each surface 22a to 22c and each opposing surface 21a to 21c are not limited to a combination of a horizontal surface and a vertical surface, but may be, for example, an inclined surface or a curved surface, or may have a form in which the surfaces are not continuous (for example, a form in which there is a recess between the surfaces). In short, it is sufficient that the corresponding surfaces 22a to 22c and the opposing surfaces 21a to 21c have shapes that overlap to complement each other's shapes.

When the steps 21, 22 of the tabletop 1 and the legs 2 are overlapped and connected so that their shapes complement each other, even if the legs 2 support the tabletop 1, the interlocking of the steps 21, 22 dramatically increases the connection strength between the tabletop 1 and the legs 2, significantly improving the rigidity (durability) against lateral shaking (lateral wobble) of the desk. Lateral shaking refers to shaking (wobble) in the front, back, left, right, and right directions (which can also be considered the horizontal direction). In particular, in this case, the area of overlapping can be increased, which contributes to improving the connection strength compared to simple connections between boards.

In addition, the desk is highly effective in suppressing lateral shaking, and the desk can be made sturdy even without a small back panel, reducing the number of parts. In this embodiment, the depth dimension of the legs 2 is approximately the same as the depth dimension of the tabletop 1, which is effective in suppressing shaking in the depth (front-to-back) direction of the desk.

As shown in Figures 6, 9 and 10, the overlapping portions of the tabletop 1 and the legs 2, i.e., the left and right top step portions 21 of the tabletop 1 and the leg step portions 22 of each leg 2, are connected by dowels 23 (wooden pins) and fastening fittings 24. In this embodiment, the dowels 23 and fastening fittings 24 connect the second opposing surfaces 21b of the left and right top step portions 21 of the tabletop 1 and the second surfaces 22b of the leg step portions 22 of each leg 2. This structure corresponds to the rigid joint structure of claim B. The dowels 23 (wooden pins) and fastening fittings 24 each constitute a fastener. At least one of the dowels 23 and fastening fittings 24 is sufficient as a fastener. Fasteners other than the dowels 23 and fastening fittings 24, such as screw-type fasteners, can also be used.

In this case, multiple dowel holes 25, 26 (see FIG. 9) that open opposite to each other are formed on the second opposing surface 21a side of the top step 21 and the second surface 22b side of the leg step 22, lined up at appropriate intervals in the depth (front-to-back) direction. Dowels 23 are forcibly fitted into these dowel holes 25, 26. To improve the connection strength, adhesive may be applied to the dowels 23 and dowel holes 25, 26. The dowel holes 25 on the top board 1 side are recessed into the top frame material 7, while the dowel holes 26 on the leg body 2 side are recessed into the leg frame material 13. Since the top frame material 7 and the leg frame material 13 are made of wood fiber, it is easy to form the dowel holes 25, 26 in the top board 1 and the leg body 2.

The fastening fitting 24 is a known fitting called an eccentric joint, which is a combination of a headed pin 27 and a rotating fitting 28. The rotating fitting 28 is fitted with an eccentric cam (not shown) that hooks and pulls the head 27a at the tip side of the headed pin 27.

In this embodiment, a number of headed pins 27 that protrude inwardly to the left and right are attached to the second surface 22b of the leg step portion 22 so as to be lined up at appropriate intervals in the depth (front-to-back) direction. A number of pin holes 29 through which corresponding headed pins 27 are inserted are formed on the second opposing surface 21a of the top step portion 21 so as to be lined up at appropriate intervals in the depth (front-to-back) direction. On the left and right sides of the top plate 1, downwardly opening fitting holes 30 that communicate with the corresponding pin holes 29 are formed so as to be lined up at appropriate intervals in the depth (front-to-back) direction. A rotating fitting 28 is fitted into each fitting hole 30 from below.

As with the dowel holes 25, 26, the pin holes 29 and fitting holes 30 on the tabletop 1 side are basically formed in the tabletop frame material 7 (each fitting hole 30 is also formed penetrating the backing material 6 and tabletop decorative panel 5 on the reverse side (lower side)), while the threaded portion 27b of the headed pin 27 on the leg body 2 side is screwed into the leg frame material 13. This makes it easy to form the pin holes 29 and fitting holes 30 in the tabletop 1 and to screw the headed pin 27 in place (good workability and assembly workability).

The headed pin 27 on the leg step 22 side is inserted into the pin hole 29, and the head 27a on the tip side is inserted into the rotating fitting 28 fitted into the fitting hole 30. Then, by rotating the rotating fitting 28 with a screwdriver tool, for example, the eccentric cam of the rotating fitting 28 engages the head 27a of the headed pin 27, and the second opposing surface 21a of the left and right top steps 21 on the tabletop 1 is attracted to the second surface 22b of the leg step 22 on each leg 2.

By adopting a configuration in which the left and right top step parts 21 of the tabletop 1 and the leg step parts 22 of each leg 2 are connected by fasteners such as dowels 23 and fastening metal fittings 24, the dowels 23 and fastening metal fittings 24 are not exposed to the outside and are not visible to the public, which makes for a good appearance (contributes to improving the aesthetics). Furthermore, the left and right sides of the tabletop 1 and the upper parts of each leg 2 are fixed at multiple points in the depth (front-to-back) direction by the dowels 23 and fastening metal fittings 24, which is also excellent in terms of reinforcing the connection between the tabletop 1 and the legs 2 (connection strength).

As shown in Figures 6, 8, and 9, when the steps 21, 22 of the tabletop 1 and the leg 2 are overlapped, the adjacent narrow front end faces and rear end faces of the tabletop 1 and the leg 2 are fastened together by L-shaped metal fittings 31 that overlap these end faces.

The L-shaped metal fitting 31 in this embodiment has a horizontal portion 32 and a vertical portion 33 connected at right angles. Top recesses 34 into which the horizontal portion 32 of the L-shaped metal fitting 31 fits are formed on both left and right ends of the front end face and the rear end face of the tabletop 1. The top recesses 34 are recessed into the top frame material 7 of the tabletop 1.

A leg recess 35 into which the vertical portion 33 of the L-shaped metal fitting 31 fits is formed on the upper end side of the front end surface and the upper end side of the rear end surface of each leg body 2. The leg recess 35 is formed as a recess in the leg frame material 13 of the leg body 2. When the step portions 21, 22 of the tabletop 1 and the leg body 2 are overlapped, the tabletop recess 34 and the leg recess 35 are connected to form an L-shaped recess corresponding to the L-shaped metal fitting 31.

When the steps 21, 22 of the tabletop 1 and the legs 2 are stacked together, the left and right side ends of the tabletop 1 and the upper ends of the legs 2 are detachably fastened to each other by screwing multiple screws 36 into the L-shaped metal fittings 31 fitted into the recesses 34, 35.

In this embodiment, the left and right side ends of the tabletop 1 and the upper ends of each leg 2 are clamped by a pair of front and rear L-shaped metal fittings 31. The clamping action of these L-shaped metal fittings 31 dramatically increases the connection strength between the tabletop 1 and the leg 2, and significantly improves the rigidity (durability) of the desk against lateral shaking (lateral wobble).

In addition, since the L-shaped metal fittings 31 are fitted into the recesses 34 and 35, they do not protrude outward at the front and rear corners of the tabletop 1 and the legs 2, and can be covered and hidden by the tabletop edge material 8 and the legs edge material 14. At the front and rear corners of the tabletop 1 and the legs 2, the L-shaped metal fittings 31 are not exposed to the outside, which improves appearance.

In the front and rear corners of the tabletop 1 and the legs 2, recesses 34, 35 may be formed not only in the portions of the frame members 7, 13 that face the L-shaped metal fittings 31, but also in the portions of the edging members 8, 14 that face the L-shaped metal fittings 31 (the upper end sides of the back surfaces of the edging members 8, 14) into which the L-shaped metal fittings 31 fit. In this case as well, when attaching the edging members 8, 14 to the narrow end faces of the tabletop 1 and the legs 2, the presence of the L-shaped metal fittings 31 does not get in the way, and the L-shaped metal fittings 31 are not visible, which improves appearance.

As shown in Figures 7, 8 and 10, when the steps 21, 22 of the tabletop 1 and the leg body 2 are overlapped, the upper end of the leg body 2 is at a lower height than the upper surface of the tabletop 1. In this embodiment, the upper end of the leg decorative plate 11 is the upper end of the leg body 2, and this point is set to be lower than the upper surface of the tabletop 1 (tabletop decorative plate 5) by ΔH (see Figures 7(a) and (b)).

Therefore, when the step portions 21, 22 of the tabletop 1 and the leg body 2 are overlapped, a recessed corner 37 long in the depth (front-to-back) direction is formed by the left and right side ends of the tabletop decorative panel 5 and the upper end of the leg decorative panel 11. A thin edge material 38 having a substantially equal front-to-back dimension is fitted and attached to the recessed corner 37. In this state, the upper surface of the thin edge material 38 is flush with the upper surface of the tabletop 1 (tabletop decorative panel 5), and the outer surface is flush with the left and right outer surfaces of the leg body 2 (leg decorative panel 11). It is also possible to have a configuration in which the tabletop 1 reaches the edge without providing the recessed corner 37 (a configuration in which the left and right side ends of the tabletop decorative panel 5 are flush with the left and right outer surfaces of the leg body 2 (leg decorative panel 11)). It is also possible to have a configuration in which the upper end of the leg body 2 reaches the upper surface without providing the recessed corner 37 (a configuration in which the upper end surface of the leg body 2 (leg decorative panel 11) is flush with the upper surface of the tabletop decorative panel 5).

When the steps 21, 22 of the tabletop 1 and the legs 2 are overlapped in this way, the upper ends of the legs 2 are set at a height lower than the upper surface of the tabletop 1, so there is no need to machine the upper surface of the tabletop 1 and the upper ends of the legs 2 flush with each other, or to machine the left and right side edges of the tabletop 1 and the left and right outer edges of the legs 2 flush with each other, which reduces manufacturing effort by reducing machining precision and helps keep costs down.

The configuration of each part of the present invention is not limited to the embodiment shown in the drawings, and various modifications are possible without departing from the spirit of the present invention. Needless to say, the furniture according to the present invention is not limited to desks, but can be applied to any structure in which a plate-shaped member such as a top plate is supported by supports such as legs, such as tables and counters.

Also, only one side of the plate-like member may be supported by the support, and the other side may be supported by a desk or storage shelf. The embodiment employs both rigid joint structures A and B, but it is also possible to employ only rigid joint structures A or B. For example, if rigid joint structure A is employed, the stepped portions of the plate-like member and the support may be connected with fasteners or with L-shaped metal fittings. It is also possible to fix them by applying adhesive to each surface and each opposing surface.

Furthermore, one or both of the plate-like member and the support body do not have to be constructed as a laminate including an aluminum core material, an aluminum middle plate, and a decorative panel. For example, even if a relatively delicate structure such as a metal rectangular frame or L-shaped legs is used as the support body, by adopting at least one of the rigid joint structures A and B, the connection strength between the plate-like member and the support body can be significantly improved, resulting in furniture with excellent design and improved commercial value. In either case, a top panel may or may not be present.

Reference Signs List 1 Tabletop 2 Leg 8 Top edge material 14 Leg edge material 21 Top step portion 21a First opposing surface 21b Second opposing surface 21c Third opposing surface 22 Leg step portion 22a First surface 22b Second surface 22c Third surface 23 Dowel 24 Fastening metal fitting 27 Headed pin 28 Rotating metal fitting 31 L-shaped metal fitting 34 Top recess 35 Leg recess 36 Screw 37 Inside corner portion 38 Narrow edge material

Claims (8)

A piece of furniture comprising a plate-like member extending laterally and a support extending vertically to support at least one side of the plate-like member, and having the following rigid joint structure A and/or B connecting the plate-like member and the support.
A. The upper portion of the support has a first surface , a second surface intersecting the first surface , and a third surface intersecting the second surface and parallel to the first surface , and one side of the plate-like member has a first opposing surface opposite the first surface, a second opposing surface intersecting the first opposing surface and opposite the second surface, and a third opposing surface intersecting the second opposing surface, parallel to the first opposing surface, and opposite the third surface ;
The plate-like member and the support body are connected with the first surface and the first opposing surface overlapping, the second surface and the second opposing surface overlapping , and the third surface and the third opposing surface overlapping .
B. The overlapping portions of the plate-like member and the support are connected by fasteners, and adjacent narrow end faces are fastened to each other by L-shaped metal fittings that overlap these end faces ;
The narrow end surfaces of the plate-like member and the support are each covered with an edge material,
The L-shaped metal fitting is configured to fit into a recess formed in the plate-like member and the support body at a position opposite the L-shaped metal fitting, and/or to fit into a recess formed in the edge material at a position opposite the L-shaped metal fitting . A piece of furniture comprising a plate-like member extending laterally and a support extending vertically to support at least one side of the plate-like member, and having the following rigid joint structures A and B connecting the plate-like member and the support.
A. The upper portion of the support has at least a first surface and a second surface intersecting the first surface, and one side of the plate-like member has at least a first opposing surface that faces the first surface and a second opposing surface that intersects with the first opposing surface and faces the second surface;
The plate-like member and the support body are connected in a state in which the first surface and the first opposing surface overlap, and the second surface and the second opposing surface overlap.
B. The overlapping portions of the plate-like member and the support are connected by fasteners, and adjacent narrow end faces are fastened to each other by L-shaped metal fittings that overlap these end faces. In the furniture according to claim 1 or 2, which has the rigid joint structure of A,
A piece of furniture in which, when the plate-like member and the support are connected, the upper end of the support is set at a height lower than the upper surface of the plate-like member. In the furniture according to any one of claims 1 to 3 having the rigid joint structure A,
A piece of furniture in which the second surface of the support body and the second opposing surface of the plate-like member are connected by a fastener. In the furniture according to any one of claims 1 to 4 having the rigid joint structure A,
The adjacent narrow end faces of the plate-like member and the support body are fastened to each other by L-shaped metal fittings that overlap these end faces. The furniture according to any one of claims 1 to 5, having a rigid joint structure of A and B,
The support body is generally rectangular in side view, and the depth dimension of the support body is generally equal to the depth dimension of the plate-like member. The furniture according to any one of claims 1 to 6 , having a rigid joint structure of A and B,
The plate-like member and/or the support body are constructed as a laminate including an aluminum honeycomb-shaped core material, an aluminum middle plate fixed to the front and back of the core material, and a decorative panel applied to the front side of the middle plate. The furniture according to claim 7,
The core material is surrounded by a frame material, and a recess into which the L-shaped metal fitting is fitted is formed in the frame material.

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