JP2004150265A - Transportable working platform - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a transportable working platform for improving safety of work considerably and for giving a potential to improve workability, too, without largely changing the structure and the lightweight property of a conventional transportable working platform. <P>SOLUTION: A transportable scaffold includes a rectangular-shaped top board, laddery main legs foldably mounted onto the top board, and grip members foldably fitted to the top board or the main legs. An end part scaffold is detachably and continuously mounted onto a short side of the rectangular-shaped top board. <P>COPYRIGHT: (C)2004,JPO

Description

  The present invention is a portable workbench used for construction work sites, interior and exterior work such as ceilings and walls of buildings, electric wiring work, etc., in particular, a ladder-like main leg can be folded on a rectangular top plate The improvement of the portable workbench provided in the workplace.

2. Description of the Related Art Conventionally, for work on a ceiling or a wall of a building or the like, as shown in FIG. 9, a worktable (scaffold) provided with ladder-shaped main legs 4 and 4 having steps 5 on a rectangular top plate 3. 2 are used. (Japanese Utility Model Laid-Open No. 6-56321 and others)
The work table 2 is usually portable, and after use, the stay 7 attached between the top plate 3 and the step 5 is bent at the bent portion 8 so that the work table 2 can be folded and moved. ing.

  Work platforms of this type are applied to those with a work floor surface height of less than 2 m from the viewpoint of safety, and safety measures such as non-slip are also applied to the top plate that will be the work floor surface. In some cases, such as when carrying out work required for work on the ceiling or wall, the work lacks stability and often causes an accident of falling.

In order to solve this problem, as shown in FIG. 10, in a portable worktable 2 in which ladder-shaped main legs 4, 4 are foldably provided on a top plate 3, There has been proposed a portable worktable 1 in which a handle member 6 functioning as a handle at the time of ascending and descending is rotated in an A direction or a B direction so as to be foldable along the main leg 4 or the top plate 2. (Japanese Patent Nos. 2989166 and 2989172)
However, even when using a workbench provided with such a handle member, the feet tend to be careless in interior, exterior work, electric wiring work, etc. There have been many accidents of stepping off the long side and short side of the rectangular top plate inside, and a safer work table is required.

  The present invention has been made in order to solve the above-mentioned conventional problems in a worktable in which a ladder-shaped main leg is provided on a top plate so as to be foldable. A portable workbench with a length of about 1,800 mm and a width of about 250 to 500 mm and a height of about 2 m or less can be mounted on the top without significantly changing the structure of the conventional portable worktable. An object of the present invention is to provide a portable workbench in which work safety when performing work on a board is greatly improved.

  In order to achieve the above object, a portable workbench according to claim 1 of the present invention is provided such that a ladder-like main leg is foldably provided on a rectangular top plate, and a handle member is foldable on the top plate or the main leg. In the attached portable worktable, a detachable end scaffold is continuously provided on the short side of the rectangular top plate.

  The portable workbench according to claim 2 is a portable workbench having a ladder-shaped main leg provided on a rectangular top plate so as to be foldable, and a hand-held member mounted on the top plate or the main leg so as to be foldable. A plurality of worktables are arranged so that the short sides of the worktop are opposed to each other, and the workbench is connected in the longitudinal direction with an intermediate scaffold interposed between the short sides of the worktop.

  The portable workbench according to claim 3 is such that a ladder-like main leg is provided on a rectangular top plate so as to be foldable, and a portable worktable having a handle member foldably attached to the top plate or the main leg is provided as a rectangular worktop. A plurality of worktables are arranged so that long sides of the top plate face each other, and the workbench is connected in the width direction with an intermediate scaffold provided between the long sides of the top plate facing each other.

  According to a portable workbench according to claim 4, a ladder-like main leg is provided on a rectangular top plate so as to be foldable, and a portable worktable having a handle member foldably attached to the top plate or the main leg is provided as a rectangular worktop. A plurality of top plates are arranged so that the short sides of the top plate face each other, the workbench is connected in the longitudinal direction with an intermediate scaffold interposed between the short sides of the facing top plate, and the long sides of the rectangular top plate face each other. The work table is also connected in the width direction with an intermediate scaffold interposed between the long sides of the opposing top plate.

  According to the present invention, in a portable worktable provided with a rectangular top plate, the safety of work is greatly improved without significantly changing the structure and lightness of the conventional portable worktable, and as a result, In addition, a portable workbench that can be expected to improve workability is provided.

  Preferred embodiments of the portable workbench of the present invention will be described below. The same members and common members as those in the related art are denoted by the same reference numerals. These embodiments are merely examples of the present invention, and the present invention is not limited to these embodiments.

  The portable worktable of the present invention is provided with a portable worktable 1 shown in FIG. 10 (a handle member 6 foldably provided at one to four corners of the top plate 3 or upper portions of the main legs 4). 1), the end scaffold 19 is connected to the short side 10 side of the top plate 3 as shown in FIG. By eliminating the gap between the table and the wall surface, it is possible to prevent a fall accident during the work at the (longitudinal) end of the work table 1. In addition, the work area in the longitudinal direction of the scaffold base can be easily increased, and the work area can be expanded. FIG. 1 shows an embodiment in which end scaffolds 19 are continuously provided and handrails 11 are provided on both long sides of the top plate 3.

  For example, as shown in FIG. 2, the end scaffold 19 has legs 22, 22 having an end scaffold fixing member 20 attached to the end scaffold 19, and the groove 21 of the end scaffold fixing member 20 is connected to a workbench. At the same time, the end of the end scaffold 19 is superimposed on the short piece 10 of the top plate 3 so as to be at the same level as the top plate 3. It is fixed to the top plate 3 by means. Also, it is convenient to fix the end scaffold 19 to the top plate 3 by inserting a pin P attached to the end scaffold 19 by a suitable means such as a wire into the hole H.

  In the present invention, as shown in FIGS. 3 and 4, an intermediate scaffold 23 is interposed between the worktables 1 and connected in the longitudinal direction or the width direction, and the working surface is extended and used in the longitudinal direction or the width direction. can do. When the workbench 1 is used by being connected in the longitudinal direction with the intermediate scaffold 23 interposed therebetween, as shown in FIG. In conclusion, if the handrail is made to be continuous on the long side of the top plate, it becomes possible to more safely perform wall work or the like during interior / exterior construction.

  As shown in FIG. 5, when the work table 1 is connected in the width direction with an intermediate scaffold 23 interposed therebetween, the handrails 11 on the long sides of the top plates 3 are used as connecting members 24. If they are tied together at 24, the short sides of the top plate will also be surrounded, and the connecting members 25, 25 will function as handrails, so that safety on all sides is more sufficiently ensured on a wide work surface.

  Further, in the present invention, as shown in FIG. 5, the work table 1 may be connected in the longitudinal direction and the width direction with a number of intermediate scaffolds 23 interposed therebetween. The handrails 11 and 12 are attached to the long side and the short side, respectively, and the handrails 11 and 12 are connected by connecting members 24 and 25, respectively, to form a continuous handrail. FIG. 5 omits the handle member 6.

  As shown in FIG. 3, the work table 1 is connected in the longitudinal direction by arranging a plurality of work tables 1 so that the short sides of the rectangular top plates 3 face each other. An intermediate scaffold 23 is provided between the short sides, and the work table 1 is connected to the work table 1 in the width direction, as shown in FIG. They are arranged so as to face each other, and the intermediate scaffold 23 is provided between the long sides of the facing top plate.

  In the embodiment in which the intermediate scaffold 23 is mounted on the top plate 3 of the work table 1, as shown in FIG. 6, the mounting member 26 is fixed to the edge of the intermediate scaffold 23 by fixing means F such as bolts, nuts, and rivets. Then, the top plate 3 and the attachment member 26 are overlapped, a hole H corresponding to the overlap portion is formed, and a pin 27 is inserted into the hole H.

  As shown in FIG. 7, the pin 27 includes a head 28 having a cutout 30 in a part thereof, an insertion portion 29, and an intermediate portion 31 having a diameter smaller than that of the head 28, and can be easily inserted into the hole H. At the same time, it can be easily pulled out by, for example, inserting the tip of a screwdriver into the notch 30 and lifting it up, which helps to improve the workability when the workbench is folded or moved.

  As another embodiment in which the intermediate scaffold 23 is attached to the top plate 3 of the work table 1, as shown in FIG. 8, a short pin member 33B is provided at one end of the intermediate scaffold 23 and The mounting member 26B having the inclined surface 34 formed in an outwardly open shape is fixed by fixing means such as bolts, nuts, rivets, etc., and the intermediate scaffold 23 is slightly inclined so that the top plate 3 extends along the inclined surface 34. The intermediate scaffold 23 is attached to the top plate 3 by inserting the pin member 33B into the hole H of the top plate 3. At the other end of the intermediate scaffold 23, the attachment member 26A provided with the long pin member 33A is fixed, and when the top plate 3 and the attachment member 26A are overlapped, the pin member 33A is inserted into the hole of the top plate 3. H, the intermediate scaffold 23 is attached.

Hereinafter, examples of the present invention will be described.
Example 1
FIG. 10 shows a top plate (dimensions: 1500 mm in length and 500 mm in width) in which aluminum extruded profiles (materials: A6063S and A6N01S) are combined, a ladder-shaped main leg made of extruded A6N01S, and a hand-held member. A workbench having a maximum height of 1750 mm and a main leg with a stretch width of 400 mm was assembled.

An intermediate scaffold (dimensions: 1500 mm in length and 500 mm in width) formed by combining extruded aluminum members (material: A6063S and A6N01S) is interposed on this worktable, and the worktable is connected by the method shown in FIG. A work table as shown in FIG. 3 was formed.
Example 2
FIG. 10 shows a top plate (dimensions: 1500 mm in length and 500 mm in width) in which aluminum extruded profiles (materials: A6063S and A6N01S) are combined, a ladder-shaped main leg made of extruded A6N01S, and a hand-held member. A workbench having a maximum height of 1750 mm and a main leg with a stretch width of 400 mm was assembled.

  An intermediate scaffold (dimensions: 1500 mm in length and 500 mm in width) formed by combining extruded aluminum members (materials: A6063S and A6N01S) is interposed on this worktable, and the worktable is connected by the method shown in FIG. A work table as shown in FIG. 4 was formed.

It is a perspective view showing the portable workbench provided with the end scaffold of the present invention in a row. It is a partial perspective view which shows one Example of the continuous installation method of the end scaffold in this invention. FIG. 4 is a perspective view showing a portable workbench according to the present invention connected longitudinally via an intermediate scaffold. FIG. 3 is a perspective view showing a portable workbench according to the present invention connected in the width direction via an intermediate scaffold. FIG. 2 is a perspective view showing a portable workbench according to the present invention connected in a longitudinal direction and a width direction via a plurality of intermediate scaffolds. FIG. 4 is a partial cross-sectional view showing one embodiment of a connection method of a work table top and an intermediate scaffold in the present invention. It is a perspective view which shows the pin for connecting a top plate and an intermediate scaffold. FIG. 10 is a partial cross-sectional view showing another embodiment of the connection method of the work table top and the intermediate scaffold according to the present invention. It is a perspective view which shows the conventional portable workbench. It is a perspective view which shows the conventional portable workbench with a handle member.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 1 Portable work table 2 Conventional portable work table 3 Top plate 4 Main leg 5 Step 6 Hand member 7 Stay 8 Bending part 9 Long side of top plate
10 Short side of top plate
11 Handrail
12 Handrail
19 End Scaffold
20 End scaffold fixing material
21 Groove
22 legs
23 Intermediate scaffold
24 Connecting members
25 Connecting members
26 Mounting material
27 pin
28 head
29 Insert
30 Notch
31 Middle
33 pin member
34 Inclined surface H hole F Fixing means

Claims (4)

A ladder-shaped main leg is provided on a rectangular top plate so as to be foldable, and a portable work table in which a handle member is foldably attached to the top plate or the main leg is detachable on a short side of the rectangular top plate. A portable workbench characterized by connecting end scaffolds. Ladder-shaped main legs are provided on a rectangular top plate so as to be foldable, and a portable work table having a handle member foldably attached to the top plate or the main legs is provided in a plurality such that the short sides of the rectangular top plate face each other. A portable workbench comprising: a plurality of worktables; and a workbench connected in a longitudinal direction with an intermediate scaffold interposed between short sides of opposed top plates. Ladder-shaped main legs are provided on a rectangular top plate so as to be foldable, and a portable work table having a handle member foldably attached to the top plate or the main legs is provided in a plurality such that the long sides of the rectangular top plate face each other. A portable workbench comprising a plurality of worktables, wherein a workbench is connected in the width direction with an intermediate scaffold interposed between long sides of the opposing top plate. A ladder-shaped main leg is provided on a rectangular top plate so as to be foldable, and a portable workbench having a handle member foldably attached to the top plate or the main leg is provided such that the short sides of the rectangular top plate face each other. The workbench is connected in the longitudinal direction with an intermediate scaffold interposed between the short sides of the facing top plate, and a plurality of worktables are arranged so that the long sides of the rectangular top plate face each other. A portable workbench wherein the workbench is also connected in the width direction with an intermediate scaffold interposed between the long sides of the plate.

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