摘要 |
PROBLEM TO BE SOLVED: To make it possible to exhibit the performance of a coil spring stably besides the wear of the coil spring is reduced in a spring assembly. SOLUTION: The spring assembly 5 is provided with the first coil spring 51, the second coil spring 52, a pair of spring sheet 53 and a positioning member 60. The second coil spring 52 is arranged on the inner circumference of the first coil spring 51, and set to be shorter in its free length than the first coil spring 51. The pair of spring sheet 53 is arranged to the direction that faces in each of both ends of the first coil spring 51. A positioning member 60 is arranged in the inside circumference of the second coil spring 52. This positioning member 60 is fixed to either of the pair of spring sheet 53 and fitted it to the second coil spring 52. COPYRIGHT: (C)2005,JPO&NCIPI
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