| 摘要 |
PURPOSE: A pre-damper spring of a clutch disc is provided to absorb the distortion vibration by using a buffing rubber, which buffs in cooperation with a coil spring, so that an abnormal noise among gears is reduced and an early abrasion of gears is prevented. CONSTITUTION: A pre-damper spring of a clutch disc comprises: a gear part (11) to be combined with a gear part (42) of a spline hub (40) and to be formed in the middle of a hub flange (10); two spring seats (52) to be made of plastic materials and to be combined with the both end of a coil spring (51); a buffing rubber (53) to be formed in the inner-middle of two spring seats.
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