JP7725826B2 - Furniture with tabletops - Google Patents

Description

The present invention relates to furniture with a tabletop that can be used suitably as a lecture desk, etc.

Conventionally, this type of furniture with a tabletop (desk) has been known to include a tabletop, a pair of left and right leg supports supporting the opposite end of the tabletop, and a pair of left and right leg bases whose base ends are connected to the lower ends of the leg supports and whose tip ends extend toward the use end of the tabletop, with the inner surfaces of the leg bases located further toward the tip of the leg supports facing each other (see, for example, Non-Patent Document 1).

With this type of configuration, multiple desks can be stacked sequentially, starting from the end opposite the end of use. However, in conventional systems, the inner surfaces of the leg bases are parallel and face each other, so if the dimensions are set so that the desks do not move left and right when stacked, it becomes difficult to fit the left and right leg bases onto the outside of the support columns of the desk below.

This issue is not limited to lecture desks, but has been pointed out for a variety of furniture with tabletops.

"SEEDA STACKING LECTURE DESKS", HOUTOKU 2020 General Catalog, HOUTOKU Co., Ltd., December 2019, p. 600

The present invention aims to solve the problem of difficulty in aligning furniture pieces when stacking.

The invention described in claim 1 is furniture with a tabletop comprising a tabletop, a pair of left and right leg supports supporting the opposite end of the tabletop to the use end, and a pair of left and right leg bases connected to the lower ends of the leg supports with their tips extending toward the use end of the tabletop, with the inner surfaces of the leg bases located further towards the tip than the leg supports facing each other, the internal dimension between the inner surfaces of the leg bases is set larger than the external width dimension between the outer surfaces of the leg supports, and the inner surface of the leg base is inclined in a direction such that the internal dimension gradually increases from the base end towards the tip end, the leg supports are shaped like rectangular pipes, and the leg bases comprise a leg base main body extending in the front-to-rear direction and a support mounting portion provided at the base end of the leg base main body so as to protrude inward, and the leg supports are connected to the support mounting portions .

The furniture with a tabletop according to claim 2 is the furniture according to claim 1, in which the left and right sides of the tabletop and the outer surfaces of the leg bases are substantially aligned in a plan view.

The furniture with a tabletop according to claim 3 is the furniture according to claim 1 or 2, wherein the leg base has a continuous upward surface without any steps, and the upward surface is positioned further outward than the corresponding leg support throughout its entire area from the base end to the tip end.

The invention described in claim 4 is furniture with a tabletop according to claim 3 , which has a tabletop support arm at the upper end of the leg support that extends in the direction of the use end of the tabletop, and the leg bases are positioned outside the leg supports of another piece of furniture with a tabletop of the same structure, and the tabletop support arm is placed on the tabletop of the other piece of furniture with a tabletop, so that the furniture can be stacked on top of the other piece of furniture with a tabletop .

The invention described in claim 5 is furniture with a tabletop described in claim 4, wherein the tabletop support arm has a downward horizontal surface that abuts against the upper surface of the tabletop of another piece of furniture with a tabletop when stacked, and an inclined surface that is continuous with the tip of this downward horizontal surface and gradually rises toward the use end.

The invention described in claim 6 is furniture with a tabletop described in claim 4 or 5, in which a grounding device that elastically supports the leg base on the floor surface is provided on the bottom surface of the leg base, and a descent prevention member that prevents the leg base from descending within the range of elastic support possible by the grounding device.

This invention solves the problem of difficulty in aligning furniture pieces when stacking.

1 is a perspective view of furniture with a tabletop according to an embodiment of the present invention; FIG. 4 is a rear view of the furniture with a tabletop according to the embodiment. FIG. 2 is a side view of the furniture with a tabletop according to the embodiment. FIG. 2 is a bottom view of the furniture with a tabletop according to the embodiment. FIG. 3 is a cross-sectional view taken along line XX in FIG. 2. FIG. 4 is an exploded perspective view showing a mounting state of the grounding device of the furniture with a tabletop according to the embodiment. FIG. 4 is a bottom view of the leg base of the furniture with a tabletop according to the embodiment. FIG. 8 is an enlarged cross-sectional view taken along line AA in FIG. 7. FIG. 8 is an enlarged cross-sectional view taken along line BB in FIG. 7. FIG. 11 is a view taken along the arrow α in FIG. 10 . 3A and 3B are explanatory diagrams showing a mounting state of the grounding device according to the embodiment; FIG. FIG. 10 is a side view showing a stacking mode of the furniture with a tabletop according to the embodiment. 10A and 10B are explanatory diagrams illustrating the operation of the furniture with a tabletop according to the embodiment.

One embodiment of the present invention will be described below with reference to Figures 1 to 15.

The furniture with a top D of this embodiment (when it is necessary to distinguish this furniture with a top D from other furniture with a top D2 and D3 of the same structure, this furniture with a top may be referred to as "furniture with a top D1") is a lecture desk type, and as shown in Figures 1 to 5, comprises a top 2, a pair of left and right leg supports 12 that support the opposite end 2b of the top 2, and a pair of left and right leg bases 11 whose base ends 11e are connected to the lower ends of the leg supports 12 and whose tip ends 11f extend toward the use end 2c of the top 2, with the inner surfaces 11b of both leg bases 11 located closer to the tip ends 11f than the leg supports 12 facing each other. The inner dimension L1 between the inner surfaces 11b of the leg bases 11 is set larger than the outer width L0 between the outer surfaces 12a of the leg supports 12, and the inner dimension L1 (including the inner dimension L1a on the base end 11e side and the inner dimension L1b on the tip end 11f side) is inclined in a direction such that it gradually increases from the base end 11e side toward the tip end 11f side. Specifically, the inner surface 11b of the leg base 11 is inclined by an angle θ with respect to an imaginary line m parallel to the outer surface 11c of the leg base 11.

As shown in Figure 5, in this furniture D with a tabletop, the left and right side surfaces 2a of the tabletop 2 and the outer surfaces 11c of the leg bases 11 are aligned in a plan view. Therefore, the left and right leg bases 11 have a tapered shape in which the width gradually decreases toward the tip 11f.

As shown in Figures 1, 4, and 5, the top plate 2 is a flat plate with a rectangular shape in plan view, and the side opposite the usable end 2b is supported by a pair of left and right leg supports 12.

As shown in Figures 1 to 3, the leg supports 12 are rectangular pipes with a rectangular cross section whose width in the left-right direction is smaller than its width in the front-to-back direction. A tabletop support arm 13, described below, is attached to the upper end of each leg support 12. A top panel 3 is also installed between the upper ends of the left and right leg supports 12.

As shown in Figures 1 to 9, the leg base 11 has a continuous, stepless upward surface 11d, which is positioned outward of the corresponding leg support 12 throughout its entire area from its base end to its tip. The leg base 11 also has a support mounting portion 111 that protrudes inward at its base end (near base end 11e), and the leg support 12 is erected on the support mounting portion 111. More specifically, the leg base 11 comprises a leg base main body 110 having an upward surface 11d and a support mounting portion 111 that protrudes inward from the base end of the leg base main body 110 (near base end 11e of the leg base 11), and is a one-piece molded product made from aluminum die-casting or the like. As shown in Figure 9, the support mounting portion 111 has a screw insertion hole 11z through which a bolt B can be inserted from below. The bolt B passes through this screw insertion hole 11z and is screwed into an internally threaded hole in a plate-shaped nut 121 rigidly attached to the inside of the lower end of the leg support 12, thereby joining the leg base 11 and leg support 12.

As shown in Figures 1 to 3 and 14, the top-equipped furniture D1 has a top support arm 13 at the upper end of the leg support 12 that extends in the direction of the usable end 2c of the top 2. As shown in Figure 14, the leg bases 11 can be positioned outward from the leg supports 12 of another piece of top-equipped furniture D2 of the same structure, and the top support frame 13 can be placed on the top 2 of the other piece of top-equipped furniture D2, allowing it to be stacked on top of that other piece of top-equipped furniture D2.

As shown in Figures 1 to 3 and 14, the tabletop support arm 13 is a rectangular pipe rigidly connected to the upper end of the leg support 12. As shown in Figure 14, it has a downward horizontal surface 13a that abuts against the upper surface of the tabletop 2 of another piece of furniture with a tabletop D2 in a stacked state, and an inclined surface 13b that continues from the tip of this downward horizontal surface 13a and gradually rises toward the use end 2c. A sheet 131 made of, for example, nylon is attached to this downward horizontal surface 13a and inclined surface 13b.

On the other hand, as shown in Figures 1 to 4, 6 to 9, and 14, the bottom surface of the leg base 11 is provided with a grounding device 4 that elastically supports the leg base 11 on the floor surface F, and descent prevention members 14(A), 14(B) that prevent the leg base 11 from descending within the range in which it can be elastically supported by the grounding device 4.

As described above and as shown in Figures 1 to 5, this furniture D with a tabletop comprises a furniture body 1 equipped with a tabletop 2, leg supports 12, leg bases 11, tabletop support arms 13, and a back panel 3, and the grounding devices 4 have a damping function that elastically supports the furniture body 1 on the floor surface F. As shown in Figures 1, 3, 4, and 6, the grounding devices 4 are provided near the front and rear ends of the left and right leg bases 11, and as shown in Figures 6 to 8 and 10 to 13, they comprise a housing 5 provided on the leg base 11, a grounding body 62 supported so as to be able to protrude and retract into the housing 5, and an elastic member 7, which is a damping element that provides resistance to the retraction of the grounding body 62. The elastic member 7 has viscoelasticity that allows it to be compressed by the retraction of the grounding body 62.

More specifically, as shown in Figures 6-8 and 10-13, the grounding device 4 comprises a housing 5 detachably mounted on the bottom of the tabletop-equipped furniture D; a rotating member 6 supported by the housing 5 so as to be rotatable up and down and having a grounding body 62 on its underside that contacts the floor F; and a viscoelastic elastic member 7 disposed within the housing 5 that is compressed by the upward rotation of the rotating member 6. The grounding device 4 can only be attached to the tabletop-equipped furniture D in a predetermined position. Specifically, as shown in Figures 6, 8, and 12, the bottom surface of the tabletop-equipped furniture D, i.e., the bottom surface of the leg base 11, is provided with a plurality of recesses 11a into which the housing 5 can be fitted from below, and the shape of the bottom surface 11g of these recesses 11a allows the furniture grounding device 4 to be attached only in a predetermined position.

As shown in Figure 8, the housing 5 has a space 5s formed by curving the ceiling surface 5a to correspond to the rotation trajectory 6k of the rotating member 6, and the elastic member 7 is housed in this space 5s in a curved position along the ceiling surface 5a. One end 7a of the elastic member 7 abuts against the upper surface 6a of the rotating member 6, and the other end 7b abuts against the upright surface 5b of the housing 5 that intersects with the end of the ceiling surface 5a. The housing 5 is box-shaped and made integrally from, for example, synthetic resin, and has bolt insertion holes 5c1 and 5c2 that penetrate vertically at both ends, as well as the aforementioned space 5s in the middle region. The space 5s is open downward, and its ceiling surface 5a is formed outside the rotation locus 6k of the rotating member 6 and approximating the rotation locus 6k. Specifically, the ceiling surface 5a comprises an upstanding flat surface 5a1 at one end, a cylindrical surface 5a2 continuing from the flat surface 5a1, and a horizontal flat surface 5a3 at the other end continuing from the cylindrical surface 5a2. The end of the flat surface 5a3 is perpendicular to the vertical upstanding surface 5b. As shown in Figures 8 and 13, a protrusion 5d1 is formed on the lower surface, i.e., bottom surface 5d, of the housing 5 so as to surround the opening edge of the space 5s. An engaging protrusion 52 is provided on the outer peripheral surface of the protrusion 5d1 so as to be elastically engageable with an engaging recess 8d of the cover 8, which will be described later. 8 and 12, the shape of the top surface 5f of the housing 5 corresponds to the bottom surface 11g of the recessed portion 11a of the furniture D so that the furniture grounding device 4 can only be attached in a predetermined position. That is, when the furniture grounding device 4 is attached in a predetermined position, one end 5f1 of the top surface 5f of the housing 5 can abut one end 11g1 of the bottom surface 11g of the recessed portion 11a, and the other end 5f2 of the top surface 5f of the housing 5 can abut against the other end 11g2 of the bottom surface 11g of the recessed portion 11a. In other words, the height dimension h1 of one end and the height dimension h2 of the other end of the housing 5 of the furniture grounding device 4 are made different to correspond to the depths d11 and d12 of the one and other ends of the recessed portion 11a of the furniture D. That is, the depths d21 and d22 of the bolt insertion hole 5c1 on one end and the bolt insertion hole 5c2 on the other end are different. The rotating member 6 is housed in the bottom of the housing 5 configured in this way so that it can rotate up and down. The rotating member 6 is then held within the housing 5 by a lid 8 attached to the bottom surface 5d of the housing 5.

As shown in Figure 13, the rotating member 6 has a support shaft 61a protruding from both sides of its base end. The support shaft 61a is pivotally supported in a pivot groove 5x formed in each side wall 51 of the housing 5, and is disposed in the lower opening of the space 5s. More specifically, as shown in Figures 8 and 13, the rotating member 6 comprises a member main body 61 having a support shaft 61a at its base end and a grounding member 62 protruding from the underside of the member main body 61, and is made integrally from, for example, synthetic resin. Pivot grooves 5x are formed on both inner surfaces 5e forming the space 5s of the housing 5, respectively, to rotatably support the support shafts 61a of the rotating member 6. The lower ends of both pivot grooves 5x are open to the bottom surface 5d of the housing 5, and the rotating member 6 can be attached to the housing 5 by engaging the support shafts 61a with the pivot grooves 5x from below. The grounding member 62 hangs down from the member body 61, and its underside is formed with a grounding cam surface 62a, whose contact position with the floor surface F changes as the rotating member 6 rotates. In this embodiment, the grounding member 62 gradually narrows toward its lower end. The rotating member 6 is held within the housing 5 by a lid 8 attached to the bottom surface 5d of the housing 5, and the lid 8 is provided with a window 8a through which the grounding member 62 of the rotating member 6 protrudes to the outside. As shown in Figures 8 and 13, the housing 5 and the lid 8 are plate-like and fastened together to the leg base 11 of the tabletop-equipped furniture D by threading a common bolt 9 into the female threaded hole 11x of the leg base 11. A temporary fastening element K is provided between the housing 5 and the lid 8 to prevent the lid 8 from falling off the housing 5 before being fastened by the bolt 9. In this embodiment, the temporary fastening element K is formed by elastically engaging an engaging protrusion 52 provided on the outer peripheral surface of the ridge 5d1 of the housing 5 with an engaging recess 8d provided in the lid 8. As shown in Figures 8, 11, and 13, the lid 8 is a rectangular flat plate with screw insertion holes 8c at both ends that match the bolt insertion holes 5c of the housing 5, the aforementioned window 8a in the middle region, and the aforementioned engaging recess 8d. In this embodiment, the engaging recess 8d is a through-hole that penetrates the lid 8 in the thickness direction. The height dimension of the lid 8 is uniform throughout. 6c is the rotation center of the rotating member 6.

The elastic member 7 is made of, for example, low-resilience urethane, and is accommodated in the space 5s of the housing 5 by bending and deforming a rectangular block along the ceiling surface 5a of the housing 5, as shown in Figures 8 and 13. The elastic member 7 may also be manufactured by punching out a thick plate. In that case, the initial shape will be the curved shape shown in the example. More specifically, the elastic member 7 in its accommodated state is accommodated in the space 5s of the housing 5 with one end 7a abutting against the upper surface 6a of the rotating end of the rotating member 6 and the other end 7b abutting against the upright surface 5b of the housing 5.

The furniture grounding devices 4 described above are attached to the rear and front ends of the left and right leg bases 11 of the tabletop-equipped furniture D, respectively. In this embodiment, the furniture grounding devices 4 attached to the rear ends of the leg bases 11 are configured so that the rotating end of the rotating member 6 faces backward, while the furniture grounding devices 4 attached to the front ends of the leg bases 11 are configured so that the rotating end of the rotating member 6 faces forward. This is because, due to the expansion and contraction that accompanies rotation, the grounding points of the irregular cam-shaped grounding bodies 62 move slightly during expansion and contraction. For this reason, if the grounding devices 4 are all rotated in the same direction, the tabletop-equipped furniture D will move as the furniture grounding devices 4 expand and contract. To stop this movement, it is appropriate to rotate the grounding devices 4 in the opposite direction and install them so that the movements cancel each other out, and it is therefore necessary to determine the installation direction of the grounding devices 4 in this way.

When the rotating member 6 contacts the ground and rotates, one end 7a of the elastic member 7 is pressed against the upper surface 6a of the rotating end of the rotating member 6, and the other end 7b is compressed between the abutting upright surface 5b. At this time, the elastic member 7 partially expands due to elastic deformation, but because there is an expansion margin above the rotation center 6c in Figure 8 and the distance between the side walls 51 of the housing 5 is larger than the thickness of the elastic member 7 in an unloaded state, there is also an expansion margin on both sides of the elastic member 7 in the thickness direction, so the rotating member 6 can rotate widely while receiving appropriate resistance from the elastic member 7.

Up to this point, we have described the grounding devices 4 on the base end 11e side and the tip end 11f side of the leg base 11 without distinguishing between them. However, hereafter, when referring to the grounding device 4 on the base end 11e side, we will refer to it as the grounding device 4 (A) on the base end 11e side, and when referring to the grounding device 4 on the tip end 11f side, we will refer to it as the grounding device 4 (B) on the tip end 11f side.

As shown in Figures 1, 3, 4, 6-9, and 14, the descent suppression members 14(A) and 14(B) are protruding projections protruding from the bottom surface of the furniture body 1, i.e., the bottom surface of the leg base 11, adjacent to the ground contact devices 4(A) and 4(B), and are positioned closer to the edges of the bottom surface than the ground contact devices 4(A) and 4(B). More specifically, the furniture body 1 of this embodiment includes a leg base 11 extending in the front-to-rear direction. Ground contact devices 4 are provided near both the front and rear ends of the leg base 11, and the descent suppression members 14(A) and 14(B) are positioned closer to the front and rear edges of the leg base 11. Specifically, the descent suppression member 14(A), located on the base end 11e (front end) of the leg base 11, is a rectangular pillar-shaped projection that is elongated from front to back and positioned adjacent to the inside of the ground contact device 4(A) on the base end side, with one end positioned forward of the ground contact device 4(A). That is, the descent suppression member 14(A) on the base end 11e side is positioned closer to the base edge of the leg base 11 (closer to the base end 11e) than the grounding device 4(A) on the base end 11e side. The descent suppression member 14(B) on the tip 11f side (rear end side) of the leg base 11 is a rectangular pillar-shaped protrusion elongated on the left and right sides and positioned adjacent to the tip of the grounding device 4(B) on the tip 11f side, and is positioned entirely rearward of the grounding device 4(B) on the tip 11f side. That is, the descent suppression member 14(B) on the tip 11f side is positioned closer to the tip edge of the leg base 11 (closer to the tip 11f) than the grounding device 4 on the tip 11f side. Each descent suppression member 14(A), 14(B) is a block-shaped member made of synthetic resin such as nylon, and is fastened to the leg base 11 using, for example, a countersunk head screw v. As shown in Figures 6 to 8, each of the descent prevention members 14(A) and 14(B) has a central screw insertion hole 14a through which a countersunk screw v can be inserted, and engagement holes 14b near both longitudinal ends that can engage with positioning protrusions 112 provided at the front and rear ends of the leg base 11. Each of the descent prevention members 14(A) and 14(B) is attached to the leg base 11 by engaging the engagement hole 14b with the positioning protrusion 112 and then threading the countersunk screw v through the screw insertion hole 14a into the female threaded hole 11y of the leg base 11. For example, if the retractable dimension of the ground contact body 62 is approximately 10 mm, the protruding dimension of the descent prevention members 14(A) and 14(B) is set to approximately 5 mm. The difference between the protruding dimension of the descent prevention members 14(A) and 14(B) and the retractable dimension of the ground contact body 62 can be varied depending on the usage situation.

Figure 14 shows the state in which multiple pieces of furniture with tabletops D described above are stacked. In the stacked state, of two adjacent pieces of furniture with tabletops D1 and D2, the grounding body 62 of the upper piece of furniture with tabletops D1 is not in contact with the leg base 11 of the lower piece of furniture with tabletops D2, and a gap S is formed between the upper grounding body 62 and the upward surface 11d of the lower leg base 11. Similarly, in the case of two adjacent pieces of furniture with tabletops D2 and D3, the grounding body 62 of the upper piece of furniture with tabletops D2 is not in contact with the leg base 11 of the lower piece of furniture with tabletops D3, and a gap S is formed between the upper grounding body 62 and the upward surface 11d of the lower leg base 11. In the stacked state, gravity acting on all of the pieces of furniture with tabletops D1 to D3 is applied to the grounding device 4 of the lowest piece of furniture with tabletops D3, so that the grounding body 62 of that grounding device 4 is submerged within the housing 5, as shown in Figures 14 and 15(b). Furthermore, when stacking, the multiple pieces of furniture with tops D1-D3 are stacked while sequentially shifting forward, which causes the center of gravity to shift toward the opposite end (front), placing a large load on the grounding devices 4 of the lowest piece of furniture with tops D3, particularly the grounding device 4(A) on the base end side. However, in this embodiment, the descent prevention member 14(A) is positioned closer to the base end 11e than the grounding device 4, preventing the lowest piece of furniture with tops D3 from tilting forward due to excessive immersion of the grounding body 62. This prevents the stacked furniture with tops D3 from collapsing toward the opposite end 2b, enabling stable stacking.

Here, Figure 1 is a perspective view showing furniture D with a tabletop according to this embodiment, Figure 2 is a rear view, Figure 3 is a side view, and Figure 4 is a bottom view. Figure 5 is a cross-sectional view taken along line X-X in Figure 2, with the tabletop 2 shown in phantom lines. Figure 6 is an exploded perspective view showing the installation mode of the grounding device 4, and Figure 7 is a bottom view of the leg base 11. Figure 8 is an enlarged cross-sectional view taken along line A-A in Figure 7, with the intermediate portion omitted. Figure 9 is an enlarged cross-sectional view taken along line B-B in Figure 7. Figure 10 is a side view of the grounding device 4, and Figure 11 is a view taken from the direction of arrow α in Figure 10. Figure 12 is an explanatory diagram showing the installation mode of the grounding device 4, and Figure 13 is an exploded perspective view of the grounding device 4. Figure 14 is a side view showing the stacking mode of multiple pieces of furniture with tabletops D1 to D3. Figure 15 is an explanatory diagram of the operation of the grounding device 4 of furniture D with a tabletop, where (a) shows the unloaded state and (b) shows the state when a large load is applied. In addition, in the above explanation, the side opposite the usable end 2b of the tabletop 2 (the side near the base end 11e of the leg base 11) is referred to as the "front" or "front face," and the side near the usable end 2c (the side near the base end 11f of the leg base 11) is referred to as the "rear" or "back face."

With this configuration, the internal dimension L1 between the inner surfaces 11b of the leg bases 11 is set larger than the external width L0 between the outer surfaces 12a of the leg supports 12, so the left and right leg bases 11 can be stacked sequentially by fitting them from the opposite end 2b of the leg bases 11 onto the outside of the leg supports 12 of the lower piece of furniture D with a tabletop. Furthermore, the internal dimension L1 of the leg bases 11 is inclined so that it gradually increases from the base end 11e toward the tip end 11f, making stacking easier. In other words, even if the inner dimension L1a between the inner surfaces 11b near the base ends 11e of the left and right leg bases 11 is set to a value close to the outer width L0 between the outer surfaces 12a of the left and right leg supports 12 to prevent lateral shifting when stacked, the inner dimension L1b between the inner surfaces 11b near the tips 11f of the left and right leg bases 11 can be set reasonably larger than the outer width L0 between the outer surfaces 12a of the left and right leg supports 12. This eliminates the problem of it being difficult to fit the left and right leg bases 11 onto the outsides of the left and right leg supports 12 of the lower piece of furniture D with a top during the initial stages of stacking.

In addition, in this embodiment, the left and right side surfaces 2a of the tabletop 2 and the outer surfaces 11c of both leg bases 11 are aligned in a plan view, so multiple pieces of furniture D with tabletops can be arranged in an orderly fashion with the leg bases 11 and tabletops 2 abutting or adjacent to each other.

Furthermore, in this embodiment, the leg base 11 has a continuous, step-free upward surface 11d, and the upward surface 11d is positioned further outward than the corresponding leg support 12 throughout its entire area from its base end to its tip. This makes it possible to stack the upper tabletop-equipped furniture D while temporarily sliding the tip (near the tip 11f) of the leg base 11 against the upward surface 11d of the leg base 11 of the lower tabletop-equipped furniture D. In this case, since there are no steps on the upward surface 11d, stacking can be performed particularly smoothly.

In addition, a support post mounting portion 111 that protrudes inward is provided at the base end of the leg base 11, i.e., near the base end 11e, and the support post 12 is erected on this support post mounting portion 111. This allows for a simple structure for the attachment point of the support post 12, and also makes it easier to mold the leg base 11 as a single unit.

The top support arm 13, which extends toward the usable end 2c of the tabletop 2, is provided at the upper end of the leg support 12. Stacking is possible by abutting the top support arm 13 against the lower tabletop 2, allowing for clear positioning of stacked furniture D. For example, when stacking is performed by placing a contact body 62 with a damping function on the lower leg base 11, the load can cause the contact body 62 to protrude and retract in different positions, resulting in an unstable stacking state. However, the configuration of this embodiment eliminates this problem.

Furthermore, the tabletop support arm 13 is equipped with a downward horizontal surface 13a that abuts against the upper surface of the tabletop 2 of another piece of furniture D with a tabletop when stacked, and an inclined surface 13b that continues from the tip of this downward horizontal surface 13a and gradually rises toward the usable end 2c of the tabletop 2. This prevents the tip of the tabletop support arm 13 from colliding with the opposite usable end 2b of the tabletop 2 below and receiving an impact during stacking operations.

It goes without saying that the present invention is not limited to the embodiments described above, and various modifications are possible without departing from the spirit of the invention.

For example, in the above-described embodiment, only the inner surface of the leg base is inclined relative to the side edge surface of the tabletop. However, it is also possible to make the inner and outer surfaces of the leg base parallel, and set the mounting position of the entire leg base non-parallel, thereby inclining both inner surfaces.

In addition, in the illustrated example, a grounding device is provided on the leg base, which has a grounding body that resiliently supports the leg base on the floor surface. However, the grounding device is not limited to this, and may also have a screw-type grounding body known as an adjuster, or a wheel-shaped grounding body known as a caster.

Furthermore, while the descent prevention member provided on the underside of the leg base is not necessarily required, if the leg base is equipped with a grounding device with a damper function, it will be useful in stabilizing the stacking state as mentioned above. Such leg-based grounding devices are not limited to those that use viscoelastic materials, and the same applies to oil damper types, etc.

Various modifications may be made without departing from the spirit of the present invention.

D... Furniture with tabletop 11... Leg base 11b... Inner surface of leg base 11c... Outer surface of leg base 11d... Upward surface 11e... Base end of leg base 11f... Tip of leg base 111... Support mounting portion 12... Leg support 13... Tabletop support arm 13a... Downward horizontal surface 13b... Inclined surface 14... Descending prevention member 2... Tabletop 2a... Side surface of tabletop 2c... Use end 4... Grounding device L0... Outer width dimension between outer surfaces of leg bases L1... Inner dimension between inner surfaces of leg bases

Claims (6)

A piece of furniture with a tabletop includes a tabletop, a pair of left and right leg supports supporting the opposite end of the tabletop, and a pair of left and right leg bases connected to the lower ends of the leg supports and having their tips extending toward the use end of the tabletop, with the inner surfaces of the leg bases located on the tip side of the leg supports facing each other,
The inner dimension between the inner surfaces of the leg bases is set to be larger than the outer width dimension between the outer surfaces of the leg supports, and the inner surface of the leg base is inclined in a direction such that the inner dimension gradually increases from the base end side toward the tip end side,
The leg support is a rectangular pipe,
The leg base is provided with a leg base body extending in the front-to-rear direction and a support post mounting part provided at the base end of the leg base body so as to protrude inward, and the leg support is connected to the top of the support post mounting part . Furniture with a tabletop according to claim 1, wherein the left and right sides of the tabletop and the outer surfaces of the leg bases are substantially aligned in a plan view. Furniture with a tabletop according to claim 1 or 2, wherein the leg base has a continuous upward surface without any steps, and the upward surface is positioned further outward than the corresponding leg support throughout its entire area from the base end to the tip end. a tabletop support arm extending in the direction of the use end of the tabletop is provided at the upper end of the leg support;
4. The furniture with a tabletop according to claim 3, wherein the leg bases are positioned outside the leg supports of another piece of furniture with a tabletop of the same structure, and the tabletop support arms are placed on the tabletop of the other piece of furniture with a tabletop, so that the furniture with a tabletop can be stacked on top of the other piece of furniture with a tabletop. 5. The furniture with a tabletop according to claim 4, wherein the tabletop support arm has a downward horizontal surface that abuts against the upper surface of the tabletop of another piece of furniture with a tabletop when stacked, and an inclined surface that is continuous with the tip of the downward horizontal surface and gradually rises toward the use end side. Furniture with a tabletop as described in claim 4 or 5, wherein a grounding device that elastically supports the leg base on the floor surface and a descent prevention member that prevents the leg base from descending within the range of elastic support provided by the grounding device are provided on the bottom surface of the leg base.