| 摘要 |
A dynamic damper 70 is employed in a coupling mechanism 91 for coupling a crankshaft 90 of an engine and an input shaft 9 of a transmission. The dynamic damper 70 is designed to reduce a force applied in the rotating direction to components of a sub-clutch. Thus, the dynamic damper 70 reduces the cost and the size of the sub-clutch of the dynamic damper. The dynamic damper 70 is adapted to be coupled to the input shaft 9 to rotate therewith. The dynamic damper 70 basically includes a mass member 71, a sub-clutch 73 and an annular rubber member 72. The mass member 71 can rotate in accordance with rotation of the input shaft 9. The sub-clutch 73 reduces a torque transmitted between the input shaft 9 and the mass member 71 when a main clutch 3 disengages the crankshaft 90 and the input shaft 9 from each other. The annular rubber member 72 elastically couples the input shaft 9 and the mass member 71 in the rotating direction when they are in the interlocked state.
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