JPH042785Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention is designed to reduce fatigue in human hands, arms, shoulders, etc. during manual work such as manufacturing printed circuit boards, mounting work on printed circuit boards, or testing work of printed circuit boards. This invention relates to work aids used to prevent this.

BACKGROUND OF THE INVENTION Conventionally, various work aids have been devised to reduce fatigue in human arms, shoulders, etc. during work that requires heavy use of the arms, shoulders, etc. These work aids are either fixed to the workbench or only allow adjustment of a certain degree of freedom (for example, adjustment in the height direction).

Problems that the invention aims to solve: However, when a single worker performs repetitive tasks over a long period of time with high accuracy, such as in the production of printed circuit boards, mounting on printed circuit boards, or testing of printed circuit boards, Traditional work aids are not suitable for this purpose. That is, for example, when working while slightly shifting the working position each time, the work aid needs to have many degrees of freedom of adjustment.

This invention enables workers to perform certain tasks by
The purpose of the present invention is to provide a work aid that prevents fatigue of arms, shoulders, etc., and at the same time allows detailed work to be performed accurately and efficiently.

Means for Solving the Problems The present invention includes a first arm rotatably pivoted to a table, a second arm made of a spring material rotatably pivoted to the first arm, and a second arm rotatably pivoted to the first arm. The above-mentioned problems of the prior art are solved by a work aid having an arm rest rotatably attached to the tip of the second arm.

Embodiment Hereinafter, a preferred embodiment of the present invention will be specifically described with reference to the drawings.

FIG. 1 is a plan view showing an embodiment of the work aid according to the present invention, and FIG. 2 is a front view showing an embodiment of the work aid according to the present invention.

In FIGS. 1 and 2, a work aid 1 is mounted on a stand 2. In FIGS. That is, the axis 3 of the stand 2
A first arm 4 is rotatably attached to the holder. The first arm 4 may be made of a rigid material,
Alternatively, it may be a spring material. first arm 4
The end 5 opposite to the base 2 is provided with a second pin 6.
An arm 7 is rotatably connected. The second arm 7 is preferably made of a spring material when the first arm 4 is a rigid material. An arm rest 9 is rotatably attached to the tip 8 of the second arm 7, that is, the end opposite to the pin 6.

In the work aid 1 having such a configuration, when an operator performs a continuity test on a plated portion of a printed circuit board, for example, the operator places his arm on the arm rest 9. When an arm load is applied to the arm rest 9, since the second arm 7 and/or the first arm 4 are made of spring material, the arm rest 9 and the arms 4, 7 are bent downward by the load, as shown in FIG. The states shown by reference numerals 9b and 7b are reached. Furthermore, when the worker finishes one task and moves on to the next task, if the worker lifts his arm a little, the arm rest 9 will also move upwards due to the spring action of the arms 4 and 7, and the arm will continue to move during a series of tasks. The arm rest 9 is placed on the arm. As a result, the degree of fatigue in the arms, shoulders, etc. can be significantly reduced compared to when there is no work aid or when the work aid does not bend under the load.

Also, with the arm resting on the armrest 9, the work aid 1 can be placed at any position within the plane, that is, the length of the first arm 4 and the length of the second arm 7 can be adjusted around the axis 3 of the stand 2. It can be moved to a desired position within a radius equal to the length of . That is, if a slight force is applied to the arm rest 9 while facing the table 2, the first arm 4 will move as shown by the broken line in FIG.
is rotated clockwise about the axis 3 and moved to the position shown at 4a, and the second arm 7 is rotated counterclockwise about the pin 6 and moved to the position shown at 7b, and this This makes it possible to freely move the position of the arm rest 9, that is, the working position, with the arm resting on the arm rest 9, and it is possible to perform detailed work with high precision without fatigue.

In the above-described embodiment, the work on printed circuit boards has been explained as an example, but it can also be used as an auxiliary tool for manual processes in other crafts, a dentist's dental treatment work, or other work. The work aid of the present invention can be used.

It is also obvious to those skilled in the art that it is within the scope of the present invention to provide two or more arms to further increase the degree of freedom.

Effects of the invention As explained above, according to the invention, a spring material is used for the rotatable arm, and the arm rest can be freely moved to the desired position with the arm placed on it, so that manual work is not required. It is possible to prevent fatigue of the arms, shoulders, etc. during the process, and at the same time, it is possible to obtain the effects of improving the accuracy and efficiency of the work.

[Brief explanation of drawings]

FIG. 1 is a plan view showing one embodiment of the work aid of the present invention, and FIG. 2 is a front view showing one embodiment of the work aid of the present invention. 1... work aid, 2... stand, 3... shaft, 4...
...First arm, 6...Pin, 7...Second arm, 9...Arm rest.

Claims (1)

[Claims for Utility Model Registration] (1) A first arm rotatably pivoted to a base;
A second arm rotatably pivoted to this first arm.
A work aid comprising: an arm; and an arm rest rotatably attached to the tip of the second arm. (2) Utility model registration claim No. 1, further characterized in that the second arm is formed of an elastic material.
Work aids mentioned in paragraph (1).