JPH07102758A - Bench - Google Patents

Abstract

PURPOSE:To obtain a bench, installation operation thereof is simplified and which is moved easily, by opening expansible bearing legs connected at outer ends on both sides of an expansible scaffolding board through pivotal shafts, installing the bearing legs on a floor, etc., and fixing the bearing legs by fixing members. CONSTITUTION:Expansible bearing legs 13, 13' are connected to outer ends on both sides of an expansible square-shaped scaffolding board 12 through pivotal shafts 21, 21, and can be rotated between the position of leg opening extended in a fan shape in the direction of an obtuse angle from the scaffolding board 12 and a folding position along the rear of the scaffolding board 12. The scaffolding board 12 and the bearing legs 13, 13' can be fixed detachably under the state, in which a plurality of fixing members 14, 14' are mounted and the bearing legs 13, 13' are opened. A pair of bearing legs 13, 13' are opened and installed onto a floor, etc., and the scaffolding board 12 is borne in a horizontal attitude, and fixed by the fixing members 14, 14'. When the height of the scaffolding board 12 must be adjusted, the bearing legs 13, 13' may be expanded and contracted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding workbench.

[0002]

2. Description of the Related Art Conventionally, when painting a horizontally wide wall or the like, as shown in FIG. 10, two stepladders (1) (1 ') capable of opening and closing legs are installed at a predetermined interval, and The scaffold plate (3) is bridged between the base plate parts (2) and (2) at the upper ends of the stepladders (1) and (1 ') and the base plate parts (2') and (2 '). He was working on the board (3).

[0003]

Conventionally, when a work range is wide, such as painting a horizontally long wall, two stepladders (1) (1 ') and a scaffolding plate (3) are required, which is the component. More and more expensive. Moreover, since the scaffolding board (3) must be bridged between the two stepladders (1) and (1 '), it takes a lot of time to install the stepladder (1) (1') and the scaffolding board (3), especially However, when the working position is sequentially moved, it takes a lot of labor and time to move the stepladder (1) (1 ') and the scaffold plate (3) to assemble them, and as a result, the work can be performed quickly. However, there was a problem that the work efficiency was lowered. Furthermore, the scaffolding board (3) is a stepladder (1).
The scaffolding board (3) is used during the work because it is simply bridged between the base plate parts (2) and (2) of (1 ') and (2') and (2 ').
Could move carelessly.

The present invention has been proposed in view of the above problems, and an object thereof is to provide a workbench which is easy to install and improves work efficiency.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention is capable of extending and contracting a rectangular scaffolding plate, which is connected to both outer ends of the scaffolding plate through pivots so as to form an obtuse angle direction from the scaffolding plate. A support leg that is rotatable between an open leg position that extends in a divergent shape and a folding position along the back surface of the scaffolding plate, and that is expandable and contractible, and the scaffolding plate and the support leg when the support leg is open. And a plurality of detachable fixing members for fixing and.

[0006]

[Function] Simply open the pair of support legs and install on the floor,
The scaffold board can be supported in a horizontal position. In addition, when it is desired to adjust the height of the scaffolding plate, the support legs may be expanded and contracted.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a workbench according to the present invention will be described below with reference to FIGS.

As shown in FIGS. 1 to 6, a workbench (11) according to the present invention comprises a scaffolding plate (12) and a pair of support legs (13).
(13 ') and a plurality of fixing members (14) (14'), and the scaffolding plate (12) and the pair of support legs (13) (13 ') are extendable.

The scaffold plate (12) has a rectangular shape and, as shown in FIG. 5, has guide portions (16) (1) on both side edges in the lateral direction.
The first plate portion (17) having the above 6) and the second plate portion (18), and the second plate portion (18) is the guide portion (16) of the first plate portion (17). It is fitted in (16) so that it can slide in the longitudinal direction. When the scaffolding plate (12) is shortened, the length of the scaffolding plate (12) is about one half of that when it is extended.

Upper ends of the supporting legs (13) and (13 ') are pivotally attached to both outer ends of the scaffolding plate (12) in the longitudinal direction via pivots (21) so that the legs can be opened and closed. When the legs are opened, the support legs (13) and (13 ') are spread apart from the scaffold plate (12) in an obtuse angle direction so that the surface of the scaffold plate (12) can be held in a horizontal state and the closed legs are closed. At the time, it can be folded along the back of the scaffolding plate (12).

The supporting legs (13) and (13 ') are each in the shape of a ladder. As shown in FIG. 6, a stretchable member (26) (26) is provided on a main member (26) (26) having a C-shaped cross section. 27) (27) is fitted so as to be slidable in the longitudinal direction, and the first member is placed between the main members (26) (26).
The horizontal members (28) and (28) are provided in a plurality of stages, and the second horizontal members (29) are provided between the elastic members (27) and (27). The first cross members (28) (28) are fixed to the outer surfaces of the main members (26) (26), and the second cross members (29) are made of elastic materials (27) (27). It is fixed to the inner surface and is made of elastic material (2
7) When the (27) expands and contracts, the first cross member (28) (28) and the second cross member (28)
Interference with the cross members (29) is prevented. The lower ends of the elastic members (27) (27) are connected by a connecting member (30).

An adjusting rod (31) is provided on both outer walls of the lower ends of the main members (26) (26) constituting the supporting legs (13) (13 ').
While holding (31) through each, and elastic material (27)
A plurality of locking holes (32) (32) into which the adjusting rods (31) (31) are removably inserted and locked are formed in the (27) at a constant pitch in the longitudinal direction.

When the support legs (13) (13 ') are in the open state,
The corner portions of the scaffold plate (12) and the support legs (13) (13 ') are fixed by a plurality of rod-shaped fixing members (14) (14'). Of the fixing members (14) (14 '), the first fixing member (1
4) Both ends of the first plate portion (17) and the first support leg (1)
On both side surfaces of each of the main members (26) and (26) of 3) and both end portions of the second fixing member (14 '), the second plate portion (18) and the second supporting leg (13') are provided. ) Main members (26) (26) are removably screwed to both side faces of the main members (26) (26) by screw rods (33).

Next, the handling procedure of the workbench will be described. The scaffolding board and the supporting legs are shortened, and the supporting legs are folded along the back surface of the scaffolding board.

The second plate portion (18) of the scaffolding plate (12) is pulled outward from the first plate portion (17) along the guide portions (16) and (16), and the scaffolding plate (12) is pulled out. Extend. Further, the support legs (13) (13 ') in the closed state are each rotated outward with the pivot (21) as a fulcrum to adjust the protruding length of the elastic members (27) (27) and to adjust the adjusting rod. (31) (31) the desired locking hole (32)
After fixing each elastic material (27) (27) to the main material (26) (26) by inserting it into the (32), a pair of supporting legs (13) (13 ') are further attached to the scaffolding board (12). From the above, the scaffold plate (12) is made horizontal by expanding in an obtuse angle direction and holding it in a divergent shape. Then, the both ends of the first and second fixing members (14) (14 ') are connected to the main members (26) (26) of the supporting legs (13) (13').
And the support legs (13) (13 ') are fixed to the first and second plate parts (17) (18) of the scaffolding plate (12) by detachable screws with screw rods (33) (33). To do. And supporting legs (13)
Cross members (28) (2) of one of the support legs (13 ')
8) Use (29) to go up to the scaffolding plate (12) and perform the prescribed work.

When it is desired to secure a scaffold having a large area, FIG.
As shown in, two work benches (11) can be arranged side by side,
As shown in FIG. 8, the worktables (11) are arranged in a column, and the lengths of the support legs (13) (13 ') are adjusted to the same height, and the adjacent worktables (11) are detached. It should be fixed with possible locking metal fittings.

After using the workbench (11), the fixing members (14) and (14 ') are removed, and the scaffolding plate (12) and the supporting legs (13) and (13') are attached as shown in FIG. Second plate part (18)
Also, the elastic members (27) (27) are retracted to make the length about half of that at the time of extension, and the supporting legs (13) (13 ') are moved inward about the pivot axis (21). The scaffolding plate (12) is rotated and held at the folding position along the back surface of the scaffolding plate (12).

[0018]

According to the workbench of the present invention, when performing work, it is sufficient to extend the scaffold plate and expand the support legs, and the installation work can be performed easily and easily. You can Further, since the support legs can be expanded and contracted and can be folded along the back surface of the scaffolding plate, they are compact and easy to carry. Therefore, when the working position moves sequentially, it is sufficient to lift the scaffolding plate with the supporting legs folded and carry it to the next working position, which saves a great deal of labor and time for the operator, so that the workbench is not required. It can be moved easily and easily, and work can be performed quickly. Further, since the support leg is integrally fixed to the scaffold plate by the fixing member, the support leg does not move during the work, which is safe.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a workbench according to the present invention.

FIG. 2 is a plan view of the workbench shown in FIG.

FIG. 3 is a front view showing a state in which the scaffolding plate and the support legs of the workbench are shortened.

FIG. 4 is a plan view of FIG.

[Fig. 5] Cross-sectional view of scaffolding plate

FIG. 6 is a sectional view of a support leg.

FIG. 7 is a schematic plan view showing a state in which work benches are arranged in parallel.

FIG. 8 is a schematic plan view showing a state where workbenches are arranged in a column.

FIG. 9 is a front view showing a state in which the workbench is folded.

FIG. 10 is a side view showing a conventional example of a workbench.

[Explanation of symbols]

 12 Scaffolding board 13, 13 'Support leg 14, 14' Fixing member 21 Axis

Claims (1)

[Claims] 1. An expandable and retractable rectangular scaffolding plate, which is connected to both outer ends of the scaffolding plate through pivots and extends along an obtuse angle direction from the scaffolding plate in an obtuse angle direction and along the back surface of the scaffolding plate. And a plurality of detachable fixing members that fix the scaffolding plate and the support legs in a state where the support legs are open, and the support legs are rotatable between the folding position and the folding position. Stand.