Fixture unit

Abstract

To provide a furniture unit that enables a space below a top plate not to be narrowed even if the top plate has a reinforcement material.SOLUTION: A furniture unit includes furniture 2 with a top plate, and a chair 3 disposed on a front side of the furniture 2 with a top plate. The furniture 2 with a top plate includes a lower structure 21 of the furniture with a top plate fixed to a floor surface 11 and a top plate 5 supported by the lower structure 21 of the furniture with a top plate. The chair 3 includes a lower structure 31 of the chair fixed to the floor surface 11 and a seat part 32 supported by the lower structure 31 of the chair, in which at least a part of a rear edge part 321a, which is a top plate 5 side, is movable in a back and forth direction with respect to a front end part 5a of the top plate 5. The top plate 5 includes a lower plate part 51 constituting the undersurface of the top plate 5, an upper plate part 52 disposed above the lower plate part 51 with a space, which constitutes the top surface of the top plate 5, and a reinforcement material 53 provided in the space between the lower plate part 51 and the upper plate part 52, which extends over an entire width direction intersecting with a back and forth direction in the top plate 5.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a furniture unit. [Background technology]

[0002] For example, as a furniture unit having a desk (furniture with a tabletop) and a chair installed in a classroom, lecture room, etc., a furniture unit in which the desk and chair are each fixed to the floor is known (see, for example, Patent Document 1). The chair of such a furniture unit has legs fixed to the floor, and the seat on which the user sits can slide and rotate to move in a direction facing the desk. When the chair is not in use, the seat is in a state close to the desk. Therefore, when the chair is not in use, the chair's forward The space on the side facing the desk and the opposite side can be widened. When sitting on the seat, the user should forward The seat is moved to a position where it is separated from the desk, and the user sits on the seat from between the seat and the desk.

[0003] Generally, the tabletop of a desk is long in the width direction (the direction perpendicular to the direction facing the chair). For this reason, a reinforcing member is sometimes provided under the tabletop to prevent the center of the tabletop in the width direction from bending downward due to the tabletop's own weight or a load applied to the tabletop from above, or to prevent a moment from occurring that would cause the center of the tabletop in the width direction to bend downward (see, for example, Patent Document 2). [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2009-17925 [Patent Document 2] Patent No. 6763683 Summary of the Invention [Problem to be solved by the invention]

[0005] If a reinforcing material is provided under the top plate, there is a problem in that the space below the top plate becomes narrow. In particular, in the case of unit furniture like the one above, chairs forward Even when the chair is moved to a higher position, it is not possible to ensure a wide gap between the chair and the desk, so users sit on the seat by placing their legs under the tabletop. If a reinforcing material is provided under the tabletop and the space below the tabletop is narrow, the legs of the user attempting to sit on the seat may come into contact with the reinforcing material, or the user may adopt an awkward position to avoid contact with the reinforcing material, putting strain on their body.

[0006] Therefore, an object of the present invention is to provide a furniture unit that can prevent the space below the top plate from becoming narrow even when a reinforcing material is provided on the top plate. [Means for solving the problem]

[0007] In order to achieve the above object, the furniture unit of the present invention comprises a furniture with a tabletop and a chair placed in front of the furniture with a tabletop, the furniture with a tabletop comprises a tabletop furniture substructure fixed to the floor surface and a tabletop supported by the tabletop furniture substructure, the chair comprises a chair substructure fixed to the floor surface and a seat supported by the chair substructure so as to be movable in the front-to-rear direction, the tabletop comprises a lower plate portion forming the underside of the tabletop, an upper plate portion arranged above the lower plate portion at a distance and forming the upper surface of the tabletop, and a reinforcing member provided between the lower plate portion and the upper plate portion and extending across the entire width of the tabletop in a direction intersecting the front-to-rear direction, At least one of the reinforcing members is disposed forward of the center position of the tabletop in the front-to-rear direction, and the user sits on the seat in a position where the seat is moved forward, and the seat in the forward-moved position is disposed in a position where it overlaps in the up-down direction with the reinforcing member disposed forward of the center position of the tabletop in the front-to-rear direction. .

[0008] In the present invention, by providing the reinforcing material for the top plate in the space between the lower plate portion and the upper plate portion, the reinforcing material does not protrude downward as would be the case if it were attached to the underside reinforcing material of the top plate, and therefore the space below the top plate does not become narrow even if the reinforcing material is provided on the top plate.

[0009] Book In the furniture unit of the present invention, the reinforcing member is disposed forward of the center position of the tabletop in the front-rear direction. do.

[0010] When a user sits down or stands up from a chair, the user places their hands on the chair-side (front) part of the tabletop and places their weight on the tabletop. By providing a reinforcing material on the chair-side part of the tabletop, the strength of the chair-side part of the tabletop can be increased, allowing the tabletop to remain stable even when the user places their weight on the tabletop.

[0011] In addition, in the furniture unit of the present invention, multiple reinforcing materials are arranged in the front-to-back direction and provided on the tabletop, and the combined front-to-back dimensions of the multiple reinforcing materials that are arranged forward of the center position of the tabletop in the front-to-back direction may be set to be larger than the combined front-to-back dimensions of the multiple reinforcing materials that are arranged rearward of the center position of the tabletop in the front-to-back direction.

[0012] With a furniture unit, it is expected that when a user sits down in a chair or stands up from a chair, they will place their hands on the chair-side (front) part of the tabletop and put their weight on the tabletop. By making the combined front-to-back dimensions of the reinforcing members located on the front side of the tabletop greater than the combined front-to-back dimensions of the reinforcing members located on the rear side of the tabletop (the side away from the chair), the strength of the chair-side part of the tabletop can be increased, and the tabletop can remain stable even when a user puts their weight on the tabletop.

[0013] In addition, in the furniture unit of the present invention, the furniture lower structure with a tabletop has a grounding portion that contacts the floor surface and a tabletop support portion that is provided on the grounding portion and supports the tabletop, and the tabletop support portion may be connected rearward of the center position of the tabletop in the fore-and-aft direction.

[0014] By arranging the reinforcing material, even if the back part of the tabletop (the side away from the chairs) is weaker than the front part of the tabletop (the side toward the chairs), the lower structure of the tabletop-equipped furniture can support the load of the back part of the tabletop.

[0015] In addition, in the furniture unit according to the present invention, the lower plate portion may be provided with an upright portion extending upward at least at the front end portion.

[0016] With this configuration, the standing portion can increase the strength of at least the front end portion of the tabletop.

[0017] In the furniture unit according to the present invention, the thickness of the top plate may be 10 mm or more and 15 mm or less.

[0018] By adopting such a configuration, it is possible to ensure the strength of the top plate while also ensuring a large space below the top plate. [Effects of the Invention]

[0019] According to the present invention, even if a reinforcing material is provided on the top plate, the space below the top plate does not become narrow. [Brief explanation of the drawings]

[0020] [Figure 1] FIG. 1 is a perspective view of a furniture unit according to an embodiment. [Figure 2] FIG. 2 is a plan view of a furniture unit according to an embodiment. [Figure 3] FIG. 3 is a cross-sectional view taken along line AA in FIG. 2. [Figure 4] FIG. 4 is an enlarged view of part B in FIG. 3. [Figure 5] FIG. 4 is an enlarged view of part C in FIG. 3. [Figure 6] FIG. 4 is an enlarged view of part D in FIG. 3. DETAILED DESCRIPTION OF THE INVENTION

[0021] A furniture unit 1 according to an embodiment of the present invention will be described below with reference to Figures 1 to 6. As shown in Figures 1 to 3, the furniture unit 1 according to this embodiment has one furniture unit 2 with a tabletop and three chairs 3, each of which is positioned in front of the furniture unit 2 with a tabletop.

[0022] In the following, the horizontal direction in which the tabletop-equipped furniture 2 and the chair 3 face each other will be referred to as the front-to-back direction (the direction of arrow Y in the drawings), and the horizontal direction perpendicular to the front-to-back direction will be referred to as the width direction (the direction of arrow X in the drawings). In the drawings, the up-down direction is indicated by arrow Z. In the front-to-back direction, the side where the chair 3 is placed relative to the tabletop-equipped furniture 2 is referred to as the front side, and the side where the tabletop-equipped furniture 2 is placed relative to the chair 3 is referred to as the rear side. The three chairs 3 are arranged in the width direction. Multiple furniture units 1 are arranged in the width direction and the front-to-back direction in, for example, a classroom or lecture room. Note that only one furniture unit 1 may be installed.

[0023] The fixture 2 with a top plate has a pair of fixture substructures 21, 21 with a top plate that are fixed to the floor surface 11, and a top plate 5 that is attached on top of the fixture substructure 21 with a top plate and supported by the pair of fixture substructures 21, 21 with a top plate. The top plate 5 is a flat plate with a long rectangular surface. The top plate 5 is arranged so that the surface thereof is horizontal and extends in the width direction. Details of the top plate 5 will be described later.

[0024] The pair of tabletop-equipped furniture lower structures 21, 21 are arranged with a gap between them in the width direction. As shown in Figures 1 and 3, each of the pair of tabletop-equipped furniture lower structures 21, 21 has a grounding portion 22 that is grounded to the floor surface 11, and a leg member 23 (tabletop support portion) that is supported by the grounding portion 22 and extends in the vertical direction. As shown in Figure 1, the upper end of the leg member 23 of one of the pair of tabletop-equipped furniture lower structures 21, 21 is connected to the vicinity of a corner on one side of the tabletop 5 in the width direction and on the rear side (the side away from the chairs 3). The upper end of the leg member 23 of the other tabletop-equipped furniture lower structure 21 is connected to the vicinity of a corner on the other side of the tabletop 5 in the width direction and on the rear side.

[0025] As shown in FIGS. 1 and 3, the chair 3 has a chair substructure 31 fixed to the floor surface 11 and a seat 32 supported by the chair substructure 31. The chair substructure 31 includes a grounding portion 33 that is grounded on the floor surface 11, leg members 34 that are supported by the grounding portion 33, and seating portion attachment members 35 that are fixed to the leg members 34 and to which the seating portion 32 is attached. The leg members 34 are long, columnar or tubular members that extend linearly. One end 34a of the leg members 34 is rotatably connected to a shaft 331 provided on the grounding portion 33, and the other end 34b is located upward. The axis of the shaft 331 extends in the width direction. The leg members 34 are rotatable around the axis of the shaft 331 by a predetermined angle. The leg members 34 are rotatable between a backward tilted state in which the other end 34b is located rearward and lower than when extending vertically, and a forward tilted state in which the other end 34b is located forward and lower than when extending vertically. The seat attachment member 35 is fixed to the other end 34b of the leg member 34.

[0026] The seating section 32 has a seat section 321 on which the user sits and a backrest section 323 that is continuous with the seat section 321. The seat section 321 is attached to a seating section attachment member 35. The backrest section 323 extends upward from the front edge of the seat section 321. The rear edge section 321a of the seat section 321 (the edge section facing the furniture unit 2 with a tabletop) corresponds to the rear edge section of the seating section 32. Hereinafter, the rear edge section 321a of the seat section 321 may be referred to as the rear edge section 321a of the seating section 32. The seating section 32 rotates a predetermined angle around the axis of the shaft section 331 together with the leg members 34. When the leg members 34 are tilted backward, the seating section 32 is positioned rearward, and when the leg members 34 are tilted forward, the seating section 32 is positioned frontward. The seating section 32 is supported by the chair substructure 31 so as to be movable in the front-to-rear direction relative to the tabletop 5. When the seating section 32 moves in the front-rear direction, the rear edge 321a of the seating section 32 moves toward or away from the front end 5a of the table top 5 (the end on the chair 3 side) in the front-rear direction.

[0027] As shown in Figure 3, when the seating section 32 is positioned forward with the leg members 34 tilted forward, the upper surface of the seat section 321 becomes approximately horizontal, and the backrest extends obliquely upward from the front edge of the seat section 321 slightly toward the front. When the seating section 32 is positioned forward, the backrest section 323 assumes an oblique position that gradually moves forward from the bottom to the top, and the rear surface (the surface facing the furniture unit 2 with a top) is separated from the front end 5a of the top 5 (the end facing the chair 3). When the seating section 32 is positioned forward, the user can fit between the backrest section 323 and the front end 5a of the top 5, and sit on the seat section 321.

[0028] As shown in the two front chairs 3 in FIG. 1, when the seating portion 32 is positioned rearward with the leg members 34 tilted backward, the seat portion 321 assumes an inclined position gradually tilting downward from the front to the rear, and is recessed under the tabletop 5. When the seating portion 32 is positioned rearward, the backrest 323 assumes an inclined position gradually tilting backward from the bottom to the top, and the rear surface (the surface facing the tabletop-equipped furniture 2) comes close to the front end 5a (the end facing the chair 3) of the tabletop 5. When the seating portion 32 is positioned rearward, the seating portion 32 approaches the tabletop-equipped furniture 2, and the seat portion 321 enters a seat-retracted state where it is retracted under the tabletop 5. A user does not sit on the seating portion 32 in the seat-retracted state.

[0029] When the leg members 34 are in a rearward tilted state, i.e., in a seat storage state, the space in front (behind) of the seating portion 32 becomes wider. For example, when the furniture units 1 are arranged in the front-rear direction and the furniture unit 2 with a tabletop of the adjacent furniture unit 1 is placed in front of the chair 3, the leg members 34 are in a rearward tilted state and the seating portion 32 becomes wider. rear side When the seat 32 is moved to the up position, the space between the seat 32 and the furniture 2 with a top plate in front of (behind) the seat 32 becomes wider, and people can pass through this space.

[0030] In this embodiment, the rear edge 321a of the seat 321 (the edge on the side of the furniture 2 with a top) is positioned higher in the seatable state than in the seat storage state, and is closer to the underside of the top.

[0031] The top plate 5 is made of steel. As shown in Fig. 3, the top plate 5 has a lower plate portion 51 that forms the lower surface of the top plate 5, an upper plate portion 52 that is located above the lower plate portion 51 and forms the upper surface of the top plate 5, and a plurality of reinforcing members 53 that are provided between the lower plate portion 51 and the upper plate portion 52 and extend across the entire width of the top plate 5. The lower plate portion 51 and the upper plate portion 52 are made by processing steel plates. The upper plate portion 52 is formed to be larger than the lower plate portion 51 in plan view.

[0032] 4, 5, and 6, the lower plate portion 51 has a lower plate portion main body 54 disposed along the underside of the tabletop 5, and an upright portion 55 (see FIGS. 4 and 6) that protrudes upward from the edge of the lower plate portion main body 54. The upright portion 55 has a first upright plate portion 551 that protrudes upward from the edge of the lower plate portion main body 54, and a second upright plate portion 552 that extends inward (toward the center of the tabletop 5 in a plan view) from the upper end of the first upright plate portion 551.

[0033] The upper plate portion 52 has an upper plate portion main body 56 arranged along the upper surface of the tabletop 5, a protruding portion 57 protruding downward from the edge of the upper plate portion main body 56, and a surface material 591 provided along the upper surface of the upper plate portion main body 56 and constituting the upper surface of the tabletop 5. The protruding portion 57 has a first protruding plate portion 571 protruding downward from the end of the upper plate portion main body 56, a second protruding plate portion 572 extending inward from the lower end of the first protruding plate portion 571, and an end cover material 592 covering the first protruding plate portion 571 from the front side. The first protruding plate portion 571 has a smaller vertical dimension than the first upright plate portion 551. In this embodiment, the surface material 591 is provided along the upper surface of the upper plate body 56, but the upper surface of the upper plate body 56 may form the upper surface of the top plate 5 without providing the surface material 591.

[0034] When the upper plate portion 52 is placed on the lower plate portion 51, the protruding portion 57 of the upper plate portion 52 is positioned outside the standing portion 55 of the lower plate portion 51 (the side facing outward from the top plate 5 in a plan view). The upper plate portion main body 56 overlaps the second standing plate portion 552, the first protruding plate portion 571 is positioned outside the first standing plate portion 551 with a gap therebetween, and the second protruding plate portion 572 is positioned outside the first standing plate portion 551 at a position higher than the lower plate portion 51. The inner end of the second protruding plate portion 572 is in contact with the middle portion of the first standing plate portion 551 in the up-down direction from the outside. The lower side of the first standing plate portion 551 is exposed.

[0035] A step 58 is formed on the lower surface of the top plate 5, and is formed by the lower plate body 54, the first upright plate portion 551, and the second protruding plate portion 572. The lower surface of the lower plate body 54 is located lower than the lower surface of the second protruding plate portion 572. The thickness dimension (dimension in the vertical direction) of the top plate 5 is, for example, 10 mm or more and 15 mm or less.

[0036] Reinforcing member 53 is a long steel member having a C-shaped cross section. Reinforcing member 53 is arranged in a position extending across the entire width of top board 5, with the C-shaped cross section opening upward. The reinforcing members 53 are provided to increase the strength of the tabletop 5. As described above, the tabletop 5 of this embodiment has an elongated shape extending in the width direction. Therefore, when a user places their hands on the tabletop 5 or when an object is placed on the tabletop 5, the central portion of the tabletop 5 in the width direction tends to deform and bend downward. By arranging the reinforcing members 53 so that they extend across the entire width of the tabletop, the strength of the tabletop 5 is increased, and the above-mentioned deformation can be suppressed.

[0037] The reinforcing member 53 has a bottom plate portion 531 arranged along the upper surface of the lower plate portion 51, a first side plate portion 532 extending upward from the rear end of the bottom plate portion 531, a first folded plate portion 533 extending forward from the upper end of the first side plate portion 532, a second side plate portion 534 extending upward from the front end of the bottom plate portion 531, and a second folded plate portion 535 extending rearward from the upper end of the second side plate portion 534. An upper plate portion main body 56 is placed on the first folded plate portion 533 and the second folded plate portion 535.

[0038] A plurality of reinforcing members 53 are provided at intervals in the front-to-rear direction on the table top 5. In this embodiment, three reinforcing members 53 are provided. One of the three reinforcing members, reinforcing member 53A, is provided near the front end 5a of the table top 5 (the end on the chair 3 side), as shown in FIGS. 3 and 4. The other two reinforcing members 53B and 53C are arranged in the middle of the table top 5 in the front-to-rear direction, as shown in FIGS. 3 and 5. A resin member 593 is provided in the portion between the lower plate portion 51 and the upper plate portion 52 where no reinforcing member 53 is provided.

[0039] As shown in Figures 2 and 3, the combined front-to-back dimensions of the three reinforcing members 53 that are located in front of the central position 5b of the table top 5 in the front-to-back direction (towards the chair 3) are set to be larger than the combined front-to-back dimensions of the three reinforcing members 53 that are located behind the central position 5b of the table top 5 in the front-to-back direction (on the side away from the chair 3).

[0040] In the furniture unit 1 according to this embodiment, the reinforcing material 53 of the top plate 5 is provided between the lower plate portion 51 and the upper plate portion 52 and does not protrude below the underside of the top plate 5, so that even if the reinforcing material 53 is provided on the top plate 5, the space below the top plate 5 does not become narrower.

[0041] Furthermore, in the furniture unit 1 according to this embodiment, the reinforcing member 53 is disposed on the front side (toward the chair 3) of the center position 5b in the front-rear direction of the table top 5. In the furniture unit 1, it is assumed that when a user sits down on the chair 3 or stands up from the chair 3, they will place their hands on the part of the tabletop 5 facing the chair 3 and put their weight on the furniture unit with tabletop 2. By arranging the reinforcing member 53 on the part of the tabletop 5 facing the chair 3, the strength of the part of the tabletop 5 facing the chair 3 can be increased, and the tabletop 5 can be maintained in a stable state even when a user puts their weight on the furniture unit with tabletop 2 as described above.

[0042] In addition, in the furniture unit 1 according to this embodiment, the combined front-to-back dimensions of the three reinforcing members 53 that are located in front of the central position 5b of the table top 5 in the front-to-back direction (towards the chair 3) are set to be larger than the combined front-to-back dimensions of the three reinforcing members 53 that are located behind the central position 5b of the table top 5 in the front-to-back direction (on the side away from the chair 3). In furniture unit 1, it is assumed that when a user sits down on chair 3 or stands up from chair 3, they will place their hands on the part of tabletop 5 facing chair 3 and put their weight on furniture with tabletop 2. The combined front-to-back dimensions of reinforcing members 53 arranged on the part of tabletop 5 facing chair 3 are greater than the combined front-to-back dimensions of reinforcing members 53 arranged on the side of tabletop 5 facing away from chair 3, which further increases the strength of the part of tabletop 5 facing chair 3, and allows tabletop 5 to remain stable even when a user puts their weight on furniture with tabletop 2 as described above.

[0043] In addition, in the furniture unit 1 according to this embodiment, the leg members (tabletop support parts) of the tabletop-equipped furniture lower structure 21 are connected to the rear side (the side away from the chair 3) of the central position 5b in the front-to-rear direction of the tabletop 5. By arranging the reinforcing material 53, even if the strength of the part of the tabletop 5 away from the chair 3 is lower than that of the part of the tabletop 5 on the chair 3 side, the tabletop-equipped furniture lower structure 21 can support the load of the part of the tabletop 5 away from the chair 3.

[0044] In addition, in the furniture unit 1 according to this embodiment, the lower plate portion 51 is provided with an upright portion 55 that extends upward at the end on the chair 3 side. With this configuration, the standing portion 55 can increase the strength of at least the end of the table top 5 on the chair 3 side.

[0045] In addition, in the furniture unit 1 according to this embodiment, the thickness of the top board 5 is 10 mm or more and 15 mm or less. With this configuration, the strength of the top plate 5 can be ensured, while a large space can be secured below the top plate 5.

[0046] While the above describes an embodiment of the furniture unit 1 according to the present invention, the present invention is not limited to the above embodiment and can be modified as appropriate without departing from the spirit of the present invention. For example, in the above embodiment, the seating portion 32 of the chair 3 is configured to be movable in the front-rear direction relative to the tabletop 5 by rotating the leg members 34 of the chair substructure 31 in the width direction about the axis of the shaft 331. Alternatively, the seating portion 32 may be configured to slide in the front-rear direction relative to the tabletop 5. For example, the seating portion 32 and the leg members 34 may be integrated, and the integrated seating portion 32 and leg members 34 may be supported by a grounding portion 33 fixed to the floor surface 11 so as to be slidable in the front-rear direction. Alternatively, the grounding portion 33 and the leg members 34 may be integrated, and the seating portion 32 may be supported by the integrated grounding portion 33 and leg members 34 so as to be slidable in the front-rear direction. The seating portion 32 may also be supported so as to be rotatable about an axis extending in the vertical direction. For example, the seating portion 32 may be attached to a support column (chair substructure) extending in the vertical direction and supported on the floor surface, and configured to be rotatable a predetermined angle about the axis of the support column. In such a case, the support column supports the center of the width of the seating portion 32. As the seating portion 32 rotates about the axis of the support column, one side of the rear edge 321a of the seat portion 321 of the seating portion 32 (the edge on the tabletop-equipped furniture unit 2 side) of the support column moves forward relative to the tabletop 5, and the other side moves backward. In other words, as the seating portion 32 rotates about the axis of the support column, one side of the rear edge 321a of the seating portion 32 on the widthwise side of the support column moves away from the front end 5a of the tabletop 5, and the other side moves closer to the support column.

[0047] In the above embodiment, three chairs 3 are provided for one furniture unit 2 with a tabletop, but the number of chairs 3 may be set as appropriate. The dimensions of each member, such as the thickness of the top plate 5, may be set appropriately.

[0048] In the above embodiment, the reinforcing member 53 is arranged forward (towards the chair 3) of the central position 5b in the front-to-rear direction of the table top 5, but the reinforcing member 53 may be arranged at another position between the lower plate portion 51 and the upper plate portion 52. Furthermore, the front-to-rear dimension of the reinforcing member 53 arranged forward (towards the chair 3) of the central position 5b in the front-to-rear direction of the table top 5 does not have to be larger than the front-to-rear dimension of the reinforcing member 53 arranged rearward (away from the chair 3) of the central position 5b in the front-to-rear direction of the table top 5. That is, the number of reinforcing members 53 and their arrangement in the front-rear direction may be other than those described above.

[0049] In addition, in the furniture unit 1 according to this embodiment, the leg members (table top support parts) of the furniture bottom structure 21 with table top may be connected to the rear side (chair 3 side) of the central position 5b in the front-to-rear direction of the table top 5.

[0050] In the above embodiment, the end of the lower plate portion 51 is provided with the standing portion 55 extending upward, but this does not have to be the case. Also, the standing portion 55 may be provided only on the end of the front side (chair 3 side) of the lower plate portion 51. When the standing portion 55 is provided, it may be provided at any position on the end of the lower plate portion 51. [Explanation of symbols]

[0051] 1 Furniture unit 2. Display unit with top 3 chairs 5. Top plate 5b center position 11 Floor 21. Furniture substructure with top 22 Grounding part 23 Leg member (top support part) 31 Chair substructure 32 Seating area 51 Lower plate part 52 Upper plate 53 Reinforcement 55 Standing part 321 Seat area 321a Trailing edge

Claims

1. With a tabletop and A chair placed in front of the furniture with a tabletop, The fixture with a top plate is: a fixture substructure with a top plate fixed to the floor; A top plate supported by the top plate-equipped furniture lower structure, the chair comprises: a chair substructure secured to the floor; a seat supported on the chair substructure so as to be movable in the front-rear direction, The top plate is a lower plate portion that forms the lower surface of the top plate; an upper plate portion that is disposed above the lower plate portion with a gap therebetween and that constitutes an upper surface of the top plate; a reinforcing member provided in the gap between the lower plate portion and the upper plate portion and extending across the entire width direction of the top plate intersecting the front-rear direction, At least one of the reinforcing members is disposed forward of a center position in the front-rear direction of the tabletop, The seating portion is positioned so that the user sits in a forward-moved position, and the seating portion in the forward-moved position is positioned so that it overlaps vertically with the reinforcing material, which is positioned forward of the center position in the front-to-back direction on the tabletop.

2. A plurality of the reinforcing members are arranged in the front-rear direction and provided on the top plate, A furniture unit as described in claim 1, wherein the combined front-to-back dimensions of the reinforcing materials among the plurality of reinforcing materials that are located forward of the front-to-back center position of the tabletop are set to be greater than the combined front-to-back dimensions of the reinforcing materials among the plurality of reinforcing materials that are located rearward of the front-to-back center position of the tabletop.

3. The furniture lower structure with a top plate includes a grounding portion that is in contact with the floor surface, a top plate support portion provided on the ground portion and supporting the top plate, The furniture unit according to claim 1 or 2, wherein the tabletop support portion is connected to the tabletop rearward of the center position in the front-to-rear direction.

4. The furniture unit according to any one of claims 1 to 3, wherein the lower plate portion has an upwardly extending upright portion at least at the front end.

5. 5. A furniture unit according to any one of claims 1 to 4, wherein the thickness of the tabletop is 10 mm or more and 15 mm or less.

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