| 摘要 |
A damper mechanism is provided to achieve intended torsion characteristics in a damper mechanism using coil springs of an irregular pitch type. Coil spring assemblies 4 are employed for elastically coupling plates and a hub flange in a rotating direction. The coil spring assembly 4 includes a coil spring 28 of an irregular pitch type and a pair of spring seats 29 and 30. The spring seats 29 and 30 are engaged with the ends of the coil spring 28 while being prevented from relatively rotating around an axis of the coil spring 28, respectively. The spring seats 29 and 30 are engaged with the plates and the hub flange while being prevented from relatively rotating around the axis of the coil spring 28.
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