JPH0593261U - Legs on a desk - Google Patents

Abstract

(57) [Summary] [Purpose] As a leg for a desk or the like, it has a simple structure and is easy to assemble, and most of the parts can be used in common for legs with different heights. Manufacturing of parts,
Inventory management can be rationalized, and of course, it should have sufficient strength as a leg of a desk or the like. [Structure] A body plate 7 in which upper and lower surfaces are formed with recesses 5 and 6 opening forward, and an upper arm 3 in which a base end portion 17 is fitted and fixed in the upper recess 5 of the body plate 7. The lower arm 4 is formed by fitting and fixing the base end portion 20 in the lower recess 6 of the body plate 7.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a leg for a desk or the like, and more particularly to a leg that is easy to manufacture and assemble and has high strength.

[0002]

[Prior Art]

 Conventionally, as a leg for this kind of desk or the like, for example, there is one described in Japanese Utility Model Publication No. 3-94132. This is a pedestal with through holes for inserting bolts in the vertical direction in the front and back, a grounding arm with through holes corresponding to both through holes, and a ceiling with through holes corresponding to both through holes. A plate support arm, and the grounding arm, pedestal, and top plate support arm are fixed from above and below by inserting a long bolt into the through hole and receiving one end of the long bolt with a nut. Is.

However, in the above-described leg structure, a very long bolt extending over the entire vertical length of the pedestal is required to fix the top plate support arm and the grounding arm above and below the pedestal, In addition, it is necessary to fix the top plate support arm and the grounding arm to the pedestal at the same time using the long bolt, which is very difficult to assemble. Moreover, in the case of legs having different heights, it is necessary to prepare bolts having different lengths according to the heights of the legs, which makes production of parts and inventory control complicated.

[0004]

[Problems to be solved by the device]

In view of the above points, the present invention has a simple structure and is easy to assemble as a leg for a desk or the like, and most of the legs have different heights. Since the parts can be used in common, parts manufacturing, inventory control, etc. can be rationalized, and, of course, a leg having sufficient strength as a leg of a desk or the like is to be provided.

[0006]

Means for Solving the Problems In order to achieve the above object, a leg of a desk or the like according to the present invention is provided with a body plate formed with a recessed opening on the upper and lower surfaces and a base end portion. The upper arm is fitted and fixed in the upper recess of the body plate, and the lower arm is formed by fitting and fixing the base end portion in the lower recess of the body plate.

[0007]

[Action]

 As described above, in the leg body according to the present invention, the upper and lower arms project forward from the body plate by fitting and fixing the base ends of the upper and lower arms in the recesses provided in the upper and lower parts of the body plate. It can be assembled in the state where it was. The lower arm supports the main leg directly or in contact with the floor surface or the like through an adjuster or the like appropriately attached to the lower surface of the lower arm, and the upper arm has a top plate or the like on its upper surface. To support.

[0008]

【Example】

 Hereinafter, the present invention will be described in more detail with reference to the embodiments shown in the accompanying drawings. FIG. 1 shows an embodiment of a desk A using a leg 1 according to the present invention. In the figure, reference numeral 3 is an upper arm of the leg 1 and reference numeral 4 is a lower arm 4. The tabletop 2 is supported between the upper arms 3 and 3 of the legs 1 and 1.

A specific configuration of the leg 1 is shown in FIG. 2 and subsequent figures. That is, the leg body 1 is composed of a body plate 7 having recesses 5 and 6 formed on the upper and lower surfaces and opening forward, and an upper arm 3 and a lower arm 4 mounted above and below the body plate 7. The base ends 17 and 20 of the upper and lower arms 3 and 4 are fitted into the upper and lower recesses 5 and 6 of the body plate 7 and fixed by bolts 13, respectively. In the example, a front cover 8 and a rear cover 9 are attached to the front and rear side surfaces of the body plate 7, respectively, and vertical ducts 11 for inserting cords are formed on the side surface of the body plate 7 by notching. A duct cover 12 is appropriately attached to the vertical duct 11. Further, adjusters 10 are attached to the lower arm 4 front end of the lower surface of the leg 1 and the rear end of the body plate 7, respectively.

The body plate 7 is formed by extruding aluminum into a continuous shape in the vertical direction, the front side is formed into a flat shape, and the back side is formed into a curved shape. Vertical holes 14, 15 and 16 that are continuous in the vertical direction and are formed by cutting out part of the circumference are formed, and ribs 33 and 34 are formed between the vertical holes 15 and 16 and between the left and right side surfaces 40 and 41 of the body plate 7. And 35, which are connected to each other, are cut into a predetermined length, and the upper recess 5 and the lower recess 6 are cut out at the upper and lower sides thereof, respectively. In the leg body 1 of the illustrated example, the upper recess 5 is formed by notching over the entire length in the front-rear direction of the body plate 7 including all of the vertical holes 14, 15, 16 except for the left and right side surfaces 40, 41. The bolt 13 inserted into the through holes 18 and 19 formed in the base end portion 17 by fitting the base end portion 17 of No. 3 between the left and right side surfaces 40 and 41 and the front and rear vertical holes 14 and 16 in the upper recess 5 It is screwed to the part. Further, the lower recess 6 is formed by notching only the front side of the body plate 7 including the front vertical hole 14 and the intermediate vertical hole 15 while leaving the left and right side surfaces 40 and 41, and the base end of the lower arm 4 is formed. The bolt 13 inserted into the through holes 21 and 22 formed in the base end portion 20 by fitting the portion 20 between the left and right side surfaces 40 and 41 is provided with the vertical hole 14 and the vertical hole 15 in the lower recess 6. It is screwed to the part.

The upper arm 3 and the lower arm 4 are made by die casting of aluminum or the like. The upper arm 3 has a base end portion 17 formed narrower than an arm body 23 that projects forward from the body plate 7 and supports the top plate 2, and the base end portion 17 is located above the body plate 7. When fitted and fixed in the recess 5, the arm body 23 of the upper arm 3 and the side surfaces 40 and 41 of the body plate 7 are substantially aligned with each other. Similarly, the lower arm 4 is an arm body 24 protruding forward from the body plate 7. The base end portion 20 is formed to have a narrow width, and when the base end portion 20 is fitted and fixed in the lower recess 6 of the body plate 7, the arm body 24 and the side surface 40 of the body plate 7, 41 are substantially aligned with each other. Further, a rising portion 25 is provided so as to project upward on the front side of the body plate 7 at the rear portion of the arm body 24, and the lower end of the front cover 8 is provided on the upper surface of the rising portion 25. The engaging projections 26 are provided to engage with each other.

The front cover 8 attached to the front surface 43 portion of the body plate 7 is formed by extruding aluminum to form a substantially semi-circular cross-sectional shape that is vertically continuous, and is cut into a predetermined length. The upper end portion is cut and formed in a front-down shape, a synthetic resin cap 27 is attached, and a pair of locking projecting edges 28, 28 are provided on the back side so as to project rearward. 7 is attached to the body plate 7 while engaging with the engaging grooves 29, 29 provided on the front surface 43 of the No. 7, and the lower end portion of the engaging protrusion 26 of the lower arm 4 is externally fitted and engaged. Be done.

The rear cover 9 attached to the back side of the body plate 7 is formed by extruding aluminum as in the case of the front cover 8 and is formed into a vertically continuous shape with the front side opened, and this is formed into a predetermined length. After cutting into pieces, the engaging edges 30, 30 provided opposite to each other on the left and right opening edges are engaged with the vertical grooves 31, 31 provided on both sides of the rear portion of the body plate 7 in the rear portion of the body plate 7. It is attached in the externally fitted state and further fixed by the screw 32.

In the assembly of the leg 1 according to the present invention described above, the engaging projections 28, 28 provided with the front cover 8 on the back side of the body plate 7 from the front side of the body plate 7 to the engagement groove 29 of the body plate front surface 43, 29, and then attach the rear cover 9 from above the body plate 7, attach the rear cover 9 to the rear part of the body plate 7 in an externally fitted state, and fix with the screw 32. Next, by fitting the base ends 17 and 20 of the upper arm 3 and the lower arm 4 into the recesses 5 and 6 provided on the upper and lower sides of the body plate 7 respectively, and fixing them with bolts 13. The assembly of the leg body 1 is completed.

According to the leg body 1 of the present invention as described above, the upper arm 3 and the lower arm 4 are separately attached to the recesses 5 and 6 provided on the upper and lower sides of the body plate 7, respectively. There is no need for a long bolt, and the upper arm 3 and the lower arm 4 may be sequentially attached to the body plate 7 in this manner, and the assembling work is easy. Moreover, since the upper arm 3 and the lower arm 4 are fixedly fitted in the recesses 5 and 6 provided on the upper and lower sides of the body plate 7 between the left and right side surfaces 40 and 41, the body plate 7 and the upper arm 3 are fixed. The lower arm 4 and the lower arm 4 are firmly attached to increase the overall strength of the leg 1. Further, since the body plate 7 is formed in a vertically continuous shape by extrusion molding of aluminum, the cut size of the body plate 7 to be extruded and the front cover 8 when the front cover 8 is provided. It is possible to manufacture leg bodies 1 having different heights only by changing the cutting dimension with respect to 8, and the other members such as the upper arm 3, the lower arm 4, and the bolts 13 other than the leg body 1 of all heights. Can be used in, and rationalize the number of parts to facilitate manufacturing control and inventory control. Further, as described above, the body plate 7, the upper arm 3, the lower arm 4, the front cover 8, and the rear cover 9 which form the leg body 1 are all made of aluminum, and by assembling them, The legs 1 of 1 can be coated all at once, and the manufacturing process can be further simplified. In addition, the front cover 8 of the body plate 7 is attached to the body plate 7 by sandwiching the front cover 8 of the body plate 7 between the upper arm 3 and the lower arm 4. It can be installed securely.

9 and 10 show another embodiment of the mounting structure of the upper arm 3 to the body plate 7, in which the recess 5 in the upper part of the body plate 7 is in front of the body plate 7. In addition to being provided only in the portion, through holes 36 and 37 are provided in the rear portion of the body plate 7 so as to penetrate the ribs 33, 34 and 35 in the vertical direction and the vertical holes 15 and 16, respectively. The rear portion of the base end portion 17 of the upper arm 3 is fitted into the 37 portion and fixed by the bolt 13. By providing the through holes 36, 37 in the body plate 7 and inserting the base end portion 17 of the upper arm 3 in this manner, the number of fixing bolts 13 is reduced and the assembling work is simplified. In addition, the strength of attachment of the upper arm 3 to the body plate 7 can be increased, and the load from the top plate 2 or the like on the front portion of the upper arm 3 protruding from the body plate 7 can be increased. Even if it does, the front part of the upper arm 3 does not hang downward. It goes without saying that the lower arm 4 can also have the same mounting structure as described above.

Further, as shown in FIGS. 11 and 12, by appropriately attaching a height adjusting member 38 made of a synthetic resin or the like that can be fitted to the adjuster 10 to the lower surface of the adjuster 10, as necessary. The height of the top of desk A can be adjusted.

Further, in the above-described embodiment, the case of the leg 1 of the independent desk A is shown, but the leg 1 is attached to the partition device P as shown in FIG. 13 via an attaching member such as a bracket as appropriate. Thus, it can be used as a leg when the desk top plate 2 of the partition device P is attached.

In the case of the intermediate leg 1'of the partitioning device P shown in FIG. 13, as shown in FIGS. 14 and 15, the recess 5 is provided only on the upper part of the body plate 7 ', and the intermediate upper arm is provided. 3'is attached, and only the adjuster 10 is attached to the lower part of the body plate 7 ', and this is attached to the pillar portion of the partitioning device P by the rear cover 9 and the body plate 7'and the attached bracket 50. ..

[0020]

[Effect of the device]

 As described above, in the legs of the desk or the like according to the present invention, the upper and lower arms are separately attached to the recesses provided on the upper and lower sides of the body plate, respectively, so that long bolts are not required unlike the conventional case. Further, the upper arm and the lower arm may be attached to the body plate one by one, and the assembling work is easy. Moreover, since the upper arm and the lower arm are fitted and fixed in the recess of the body plate, the body plate and the upper and lower arms are firmly attached, and the strength of the leg is great. Further, by changing the height dimension of the body plate, it is possible to easily manufacture legs having different heights, and to fix the other upper arm, lower arm, and these arms to the body plate. The bolts and so on can be used for legs of all heights, and the number of parts is rationalized to facilitate manufacturing and inventory control of legs. In addition, as described above, the body plate, the upper arm, and the lower arm that form the legs can be collectively coated after assembly, which simplifies the manufacturing process.

[Brief description of drawings]

FIG. 1 is a perspective view of a desk.

FIG. 2 is a side view of the legs of the desk.

FIG. 3 is an exploded perspective view of a leg.

FIG. 4 is an exploded perspective view of an essential part of the upper part of the leg.

FIG. 5 is an exploded perspective view of a main part of a lower part of the leg.

FIG. 6 is a plan view of a main part of a leg.

FIG. 7 is a bottom view of the main part of the leg.

8 is a sectional view taken along line AA in FIG.

FIG. 9 is an exploded perspective view of essential parts of another embodiment of the leg body.

FIG. 10 is a side sectional view of a main part of the leg body.

FIG. 11 is a side sectional view showing another embodiment of the adjuster portion of the leg.

FIG. 12 is a perspective view of the adjuster portion.

FIG. 13 is a perspective view of a partition device.

FIG. 14 is a side view of an intermediate leg of the partition device.

FIG. 15 is an exploded perspective view of the same intermediate leg.

[Explanation of symbols]

 A desk P partition device 1 leg 2 top plate 3 upper arm 4 lower arm 5 upper recess 6 lower recess 7 body plate 8 front cover 9 rear cover 10 adjuster 11 vertical duct 12 duct cover 13 fixing bolts 14, 15, 16 Vertical hole 17 Upper arm base end part 18, 19 through hole 20 Lower arm base end part 21, 22 through hole 23 Upper arm body 24 Lower arm body 25 Start-up part 26 Engagement protrusion 27 Front cover cap 28 Engagement protrusion Edge 29 Vertical groove 30 Locking edge 31 Vertical groove 33, 34, 35 Rib 36, 37 Through hole 50 Bracket

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Hironaga Obata 3-9-11 Ebisu Minami, Shibuya-ku, Tokyo Inside Hiro Design Research Institute, Inc. (72) Tetsuya Kano 3-9-11 Ebisu-Minami, Shibuya-ku, Tokyo Limited design company Hiro Design Institute

Claims (1)

[Scope of utility model registration request] Claims: 1. A body plate having a frontwardly-opened recess formed in the upper and lower surfaces, an upper arm having a base end portion fitted and fixed in an upper recess of the body plate, and a base end portion A leg for a desk or the like, which includes a lower arm fitted and fixed in a lower recess of a body plate.