★★★ ＜知的財産翻訳検定＞答案用紙 ★★★
==================================================================科

目：機械工学氏

名：東塚麻子==================================================================
What is claimed is:1.

An elastic force measuring jig for measuring an elastic force of a coil spring,

comprising:a cylindrical holder; anda guide cylinder which is arranged slidably in an inner portion of thecylindrical holder, and includes an inner diameter substantially equal to an outer
diameter of the coil spring to be measured.
2. The elastic force measuring jig according to claim 1, wherein a sliding resistance ofthe cylindrical holder and the guide cylinder has a resistance value which prevents theguide cylinder from moving by its empty weight.
Background of the Invention
1. Field of the Invention[0001]The present invention relates to a jig for arranging a coil spring in astanding condition, which is used when measuring a designated load at a designatedheight of the coil spring.
2. Description of Related Art[0002]

With reference to Fig. 6 and Fig. 7, a description will be made of aconventional art. Reference numeral 101 denotes an inspection table of a spring load
measuring machine. A fixed cylinder 112 is arranged on the inspection table 101.
The fixed cylinder 112 fixes a coil spring 111 in a standing condition. The coil spring
111 is inserted in an inner portion 113 of the fixed cylinder 112. A load measuring
portion 114 compresses the coil spring 111 to a designated height and measures adesignated load (elastic force).
[0003]In the above-described conventional art, at least half of the coil spring 111

protrudes from an upper end of the fixed cylinder 112.

Therefore, when the load

measuring portion 114 is lowered to measure the designated load, there are cases where
the coil spring 111 buckles at its intermediate part (refer to Fig. 7) and the designatedload cannot be measured. There are cases when measuring a designated load at a highdesignated height. In such cases, the fixed cylinder 112 may be lengthened. However,when measuring a designated load at a low designated height, the fixed cylinder 112
cannot be lengthened. Thus, the above-described problem may occur.

-1-[0005]

According to an aspect of the present invention, the measuring jig elongatesand contracts by the sliding movement of the holder and the guide cylinder. Therefore,
regardless of the designated height of the coil spring to be measured, a protruding
amount of the coil spring from the upper end of the guide cylinder is reduced and thecoil spring is prevented from buckling.
Detailed Description of the Preferred Embodiments[0006]A guide cylinder 3 is arranged slidably in an inner portion 2 of a metalcylindrical holder 1. A gap 4 is formed between the guide cylinder 3 and the holder 1.
A diameter of a hollow inner portion 5 of the guide cylinder 3 is formed substantially thesame as an outer diameter of a coil spring to be measured. Circumferential grooves 6and 7 are respectively formed on an upper part and a lower part of the guide cylinder 3.
Rubber O-rings 8 and 9 are respectively mounted on the circumferential grooves 6 and 7.
The O-rings 8 and 9 make contact with a surface of the inner portion 2 of the holder 1.
A sliding resistance force of the guide cylinder 3 with respect to the holder 1 based on
the contact force is set so that the guide cylinder 3 does not move downward by its
empty weight and set so that the guide cylinder 3 moves downward by some external
force.

-2-