| 摘要 |
PURPOSE: A clutch device is provided to restrain resonance vibration in a low speed rotation area with a simple structure in the clutch device having a flywheel combined to a shaft of a transmission through a clutch disc assembly. CONSTITUTION: In a clutch device(1), a second flywheel assembly(5) moves axially in a predetermined range for a crankshaft and a flywheel(21) has a first friction surface(21a) on the side far from an engine. A damper mechanism(6) elastically connects the flywheel to the crankshaft in the rotational direction. A clutch disc assembly(9) has a friction surface(54) adjacent to the first friction surface. A clutch cover assembly(8) for elastically biasing the friction surface to the first friction surface is attached to the flywheel. A release device(10) releases load toward the friction surface by applying an axial load facing the engine to the clutch cover assembly. A relative rotation restraining mechanism connects the second flywheel assembly to a disc-shaped member(13) when the clutch cover assembly receives the axial load facing the engine.
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