JP4289544B2 - Furniture legs - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to the structure of a leg for furniture such as a table, a desk, a personal computer rack, and a shelf.
[0002]
[Prior art]
Conventional work tables used in office spaces, etc. not only stably support the top plate and shelf, but also allow the lower leg of the seated person to move freely below the top plate. Therefore, the standing leg that stands on the upper surface of the horizontal leg that is long in the front-rear direction is erected on the rear part of the horizontal leg as much as possible, and the upper part of this standing leg supports the rear part such as the top plate, In FIG. 4, there is a forward U shape (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
Japanese Utility Model Publication No. 6-10835 (FIGS. 1 and 3)
[0004]
[Problems to be solved by the invention]
However, in the conventional leg as described above, the height adjusting adjuster bolts are provided at the front and rear ends of the horizontal leg so that the connecting portion between the horizontal leg and the rear part of the standing leg is connected to the rear end of the horizontal leg. The rear end of the horizontal leg protrudes rearward from the rear end of the standing leg while being provided slightly forward.
As a result, the front end of the standing leg is located slightly forward, and the space for the leg of the seated person is slightly narrowed.
[0005]
In view of the above-described problems of the prior art, the present invention allows a space for a lower limb of a seated person by allowing an upright leg to be erected on the rear end of a horizontal leg. An object of the present invention is to provide a furniture leg that can be made wide and easy to assemble and disassemble and has excellent design.
[0006]
[Means for Solving the Problems]
According to the present invention, the above problem is solved as follows.
(1) Screws that stand upright on the upper surface of the rear part of the horizontal leg that is long in the front-rear direction, support the rear part of the top plate or the like with the upper end of the standing leg, and are provided on the lower surface of the front and rear ends of the horizontal leg In furniture legs with height adjuster bolts screwed into the holes, the rear ends of the upright legs and the rear ends of the horizontal legs are substantially aligned, and the rear ends of the legs are stopped from the horizontal legs. The screw is screwed with a screw, and a screw hole into which the adjuster bolt is screwed is provided below the set screw so that the set screw can be rotated by passing a tool through the screw hole after the adjuster bolt has been removed . Also, a recess is provided on the lower surface of the rear part of the horizontal leg, and an adjuster receiving member provided with a through hole for inserting a set screw in the upper wall of the recess and with a screw hole into which an adjuster bolt is screwed is attached to and detached from the recess. freely fitted Uruyo To.
[0007]
(2) In the above item ( 1 ), the adjuster receiving member is provided with a projecting piece facing upward, and the projecting piece is fitted to a vertically oriented slit provided on the upper wall of the recess in the horizontal leg, and the slit is A locking claw provided on the side surface of the protruding piece that penetrates and protrudes upward from the horizontal leg is locked to the upper surface of the horizontal leg.
[0008]
(3) In the above item ( 1 ) or ( 2 ), a left-right width or a front-rear width of the adjuster receiving material before fitting into the recess is slightly larger than a left-right width or a front-rear width of the recess, and the adjuster receiver A slit that faces downward from the upper end is provided in the middle part in the left-right direction or the front-rear direction of the material, and when the adjuster receiving material is fitted into the recess, a part of the adjuster receiving material can be elastically deformed toward the slit. Like that.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
1-5 show a table comprising one embodiment of the present invention.
[0010]
In this table, a standing leg (2) having a long circular cross section extending in the front-rear direction is erected on the rear upper surface of the horizontal leg (1) long in the front-rear direction, and the horizontal leg (1) is placed at the upper end of the standing leg (2). ) And the rear end portion of the support arm (3) facing the front, which is substantially symmetrical with the upper and lower sides, is fixed, and a pair of left and right formed by the horizontal leg (1), the standing leg (2) and the support arm (3) It has a leg (4) and supports both sides of a substantially horizontal top plate (5).
[0011]
The lower end of the front end of the horizontal leg (1) has a screw hole (6) facing upward with its upper end closed, and the upper part where the circular leg seat (7) is fixed to the lower end. The facing adjuster bolt (8) is screwed, and the height of the front end of the horizontal leg (1) from the floor surface can be freely adjusted by rotating the adjuster bolt (8).
[0012]
A rectangular recess (9) is provided on the lower surface of the rear end of the horizontal leg (1), and a through hole (11) is formed at the center of the upper wall (10) of the recess (9). Each part is formed with a slit (12) facing upward and downward.
[0013]
On the rear upper surface of the horizontal leg (1), there are provided a plurality of protrusions (13), (14), (15) and (16) for positioning with the standing leg (2). The through hole (11) passes through the center of 13). In addition, a through hole (17) facing in the vertical direction similar to the through hole (11) passes through the center of the foremost protrusion (16).
[0014]
On the lower surface of the standing leg (2), there is formed a recess (18) that is similar in shape to its outer shape, and the protrusion (13) (14) (15) (16) is formed in this recess (18). The horizontal leg (1) and the standing leg (2) are positioned so that their rear ends are aligned with each other in the vertical direction, and are inserted into the front and rear through holes (17), (11). The upper parts of the set screws (19) and (19) inserted from below are screwed into a screw hole (20) formed in the lower end surface of the upright leg (2) and fastened to each other so as to be firmly connected to each other. .
[0015]
An adjuster receiving member (22) provided with a screw hole (21) directed in the vertical direction at the center is fitted into the recess (9) in the lower surface of the rear end portion of the horizontal leg (1).
The adjuster receiving member (22) includes a bottom plate (23) having a square shape with a screw hole (21) provided in the center, and a front plate (24) and both side plates (25) standing up from the front edge and both side edges. 25).
[0016]
The width in the front-rear direction of each side plate (25) in the adjuster receiving material (22) before fitting into the recess (9) is slightly larger than the front-rear width of the recess (9), and the front and rear of each side plate (25) By providing a slit (26) facing downward from the upper end in the middle of the direction, an elastic bending piece (25a) facing upward is formed at the rear of each side plate (25).
[0017]
Therefore, when the adjuster receiving member (22) is press-fitted into the recess (9), the elastic bending piece (25a) can be elastically deformed toward the slit (26).
[0018]
At the center of the upper end of the front plate (24), there is a projecting piece (27) facing upward, and this projecting piece (27) is connected to the upper wall (10) of the recess (9) in the horizontal leg (1). On the side surface of the projecting piece (27) which fits into the slit (12) provided in front of the through hole (11) and protrudes upward from the horizontal leg (1) through the slit (12). The adjuster receiving member (22) is prevented from coming off from the recess (9) by locking the provided locking claw (27a) to the upper surface of the horizontal leg (1).
[0019]
When the adjuster receiving member (22) is fitted into the recess (9), the screw hole (21) is on the same axis as the through hole (11), the screw hole (20), and the set screw (19) for inserting them. It is intended to be consistent. The inner diameter of the screw hole (21) is preferably larger than the outer diameter of the head (19a) of the set screw (19).
[0020]
Similar to the above-described adjuster bolt (8), the adjuster bolt (29) facing upward with a circular leg seat (28) fixed to the lower end is screwed into the screw hole (21) of the adjuster receiving member (22). By rotating the adjuster bolt (29), the height of the rear end portion of the horizontal leg (1) from the floor surface can be freely adjusted.
[0021]
Further, by completely removing the adjuster bolt (29) from the screw hole (21), the set screw (19) is passed through the tool (30) (see the imaginary line in FIG. 4) through the hollow screw hole (21). ) Can be loosened or removed from the screw hole (20).
[0022]
As shown in FIGS. 3 to 5, on the inner side surfaces of the horizontal leg (1), the standing leg (2), and the support arm (3), there is a concave line (31) for accommodating the wiring that is continuous in the vertical direction. A wiring cover (32) is detachably provided in the opening of the recess (31) formed.
[0023]
Since the connection structure between the standing leg (2) and the support arm (3) and the connection structure between the support arm (3) and the top plate (5) are not directly related to the present invention, detailed description thereof will be omitted.
[0024]
Since the first embodiment is configured as described above, the protrusions (13), (14), (15), and (16) are fitted and positioned in the recesses (18) on the lower surface of the standing leg (2). After that, the upper part of the set screw (19) (19) inserted through the front and rear through holes (17) and (11) from below is screwed into the screw hole (20) formed in the lower end surface of the upright leg (2). After that, just push the adjuster receiving material (22) that has been screwed into the screw hole (21) into the recess (9) of the horizontal leg (1). (4) In particular, the horizontal leg (1), the standing leg (2) and the adjuster receiving member (22) can be assembled easily and quickly, and the adjuster bolt (29) can be attached to the adjuster receiving member (22). By completely removing from the screw hole (21) and passing the tool (30) through the hollow screw hole (21), the set screw (19) is loosened or removed from the screw hole (20), Easily disassemble the horizontal leg (1) and the standing leg (2) You can.
[0025]
Further, after that, the adjuster receiving member (22) is recessed (9) while pushing the upper end of the projecting piece (27) backward so that the locking claw (27a) is detached from the upper surface of the horizontal leg (1). ), The adjuster receiving member (22) can be easily separated from the horizontal leg (1).
[0026]
The present invention is not limited to the above-described embodiment, and can be implemented in various modified forms.
For example, as in the modification shown in FIG. 6, a screw hole (21) for screwing the adjuster bolt (29) is formed on the lower surface of the rear portion of the horizontal leg (1). By providing continuously at the lower end, the adjuster receiving material (22) can be omitted.
[0027]
Further, at the upper end of each side plate (25) in the adjuster receiving material (22), the same thing as the above-mentioned protruding piece (27) is provided, or the side plate (25) is provided in the middle portion in the left-right direction of the front plate (24). The same slits (26) and elastic bending pieces (25a) as described above can be provided.
[0028]
【The invention's effect】
According to the first aspect of the present invention, since the adjuster bolt can be disposed below the set screw that connects the rear ends of the standing leg and the horizontal leg, the rear end of the horizontal leg is attached to the standing leg. There is no need to project rearward from the rear end, the rear end of the standing leg and the rear end of the horizontal leg can be substantially aligned, and the standing leg is disposed closest to the rearmost end of the horizontal leg, The space for the lower leg can be made as wide as possible, and the rear end of the standing leg and the rear end of the horizontal leg can be aligned to make the shape of the leg beautiful and improve the design it can.
Further, since the rear end of the upright leg and the rear end of the horizontal leg can be easily attached and detached with a set screw in a state where the adjuster bolt is removed, assembly and disassembly are easy .
[0029]
In addition, the adjuster receiving material can hold the adjuster bolt securely, and it can remove the restriction between the outer diameter of the set screw and the inner diameter of the screw hole into which the adjuster bolt is screwed. Can be selected.
[0030]
According to the second aspect of the present invention, the adjuster receiving material is prevented from coming off simply by pushing the adjuster receiving material into the recess, and the assembling work is facilitated, and the locking state between the locking claw and the upper surface of the horizontal leg is released. By doing so, the adjuster receiving material can be extracted from the recess, so that assembly and disassembly are easy.
[0031]
According to the third aspect of the present invention, the adjuster receiving material can be easily press-fitted into the recess, and rattling of the adjuster receiving material with respect to the horizontal leg can be reliably prevented.
[Brief description of the drawings]
FIG. 1 is a side view of a table provided with an embodiment of the present invention.
FIG. 2 is also a front view.
FIG. 3 is an enlarged exploded side view of the lower part of the leg as seen from the inside.
4 is an enlarged longitudinal sectional side view taken along line IV-IV in FIG.
5 is an enlarged plan view of a part of the horizontal leg as seen from line VV in FIG. 3; FIG.
6 is an enlarged longitudinal sectional side view similar to FIG. 4, showing a modification.
[Explanation of symbols]
(1) Horizontal leg
(2) Standing legs
(3) Support arm
(4) Leg
(5) Top plate
(6) Screw hole
(7) Leg seat
(8) Adjuster bolt
(9) Recess
(10) Upper wall
(11) Through hole
(12) Slit
(13) (14) (15) (16) Projection
(17) Through hole
(18) Recess
(19) Set screw
(19a) Head
(20) (21) Screw hole
(22) Adjuster receiving material
(23) Bottom plate
(24) Front plate
(25) Side plate
(25a) Elastic flexure
(26) Slit
(27) Projection
(27a) Locking claw
(28) Leg seat
(29) Adjuster bolt
(30) Tool
(31) Concave
(32) Wiring cover

Claims (3)

Standing upright legs on the upper surface of the rear part of the horizontal leg that is long in the front-rear direction, supporting the rear part of the top plate, etc. with the upper end of the standing leg, and screw holes provided on the lower surface of the front and rear ends of the horizontal leg, In furniture legs screwed with adjuster bolts for height adjustment,
The rear end of the upright leg and the rear end of the horizontal leg are substantially aligned, and the rear ends thereof are screwed from the horizontal leg side with a set screw, and the adjuster bolt is screwed below the set screw. A screw hole is provided, and the set screw can be rotated by passing a tool through the screw hole after removal of the adjuster bolt, and a recess is provided on the rear lower surface of the horizontal leg, and is fixed to the upper wall of the recess. A furniture leg , wherein an adjuster receiving member provided with a screw insertion hole and a screw hole into which an adjuster bolt is screwed is detachably fitted in the recess . The adjuster receiving member is provided with a projecting piece facing upward, and the projecting piece is fitted into a vertically oriented slit provided on the upper wall of the recess in the horizontal leg, and passes through the slit and projects upward from the horizontal leg. the locking claws provided on the side surface of the projecting piece, furniture leg according to claim 1, wherein the to engage with the upper surface of the horizontal leg. The left-right width or the front-rear width of the adjuster receiver before being fitted into the recess is made slightly larger than the left-right width or the front-rear width of the recess, and the intermediate part in the left-right direction or the front-rear direction of the adjuster receiver from the upper end The furniture leg according to claim 1 or 2 , wherein a slit facing downward is provided so that a part of the adjuster receiving member can be elastically deformed toward the slit when the adjuster receiving member is fitted into the recess.

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