| 摘要 |
PROBLEM TO BE SOLVED: To provide spring assembly capable of reducing wear of a coil spring and providing stable performance of the coil spring. SOLUTION: This spring assembly 5 has a first coil spring 51, a second coil spring 52, a pair of spring seats 53, and a support member 54. Free length of the second coil spring 52 is set to be shorter than that of the first coil spring 51, and the second coil spring 52 is arranged in an inner peripheral part of the first coil spring 51. The pair of spring seats 53 are arranged by opposing to both ends of the first coil spring 51. The pair of spring seats 53 has a support part 53a, an engaging part 53b, and a through hole 53c. The support member 54 is inserted into an inner peripheral part of the second coil spring 52 and its both end parts are slidably engaged with a pair of through holes 53c. COPYRIGHT: (C)2005,JPO&NCIPI
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