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    • 6. 发明授权
    • Spring assembly
    • US11041536B2
    • 2021-06-22
    • US16478812
    • 2018-01-26
    • PIOLAX, INC.
    • Yasutaka Uematsu
    • F16F1/12F16F3/04
    • A spring assembly includes coil springs supported on a spring support member. The coil springs include plural first coil springs and a second coil spring. The spring support member includes a first support member and a second support member facing the first support member. One ends of the first coil springs are supported on a front surface of the first support member. One end of the second coil spring is supported on the front surface of the first support member or a front surface of the second support member, and in this state, another end of the second coil spring protrudes further than other ends of the first coil springs. A sum of elastic repulsive forces of the first coil springs is larger than an elastic repulsive force of the second coil spring in a state where the first coil springs and the second coil spring are compressed.