| 摘要 |
An inertia adding assembly is provided in a coupling mechanism 91 to reduce weight and cost for coupling a crankshaft of an engine to an input shaft of a transmission. The coupling mechanism 91 is basically provided with a flywheel assembly 60, a clutch disk assembly 5, a clutch cover assembly 4 and an inertia adding assembly 70. The clutch disk assembly 5 has a friction facing 5a, a spline hub 5c coupled to an input shaft 9 of a transmission and a damper having a maximum allowable operation angle of theta max. The clutch cover assembly 4 is designed to frictionally engage the flywheel 61 with the friction facing 5a. The inertia adding assembly 70 has a mass portion 71 and a sub-clutch 73 for releasing and interlocking the input shaft 9 and the mass portion 71 together. The sub-clutch 73 has a torque transmission capacity smaller than a torque transmitted between the friction facing 5a and the spline hub 5c when the damper attains an angle of theta max.
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