| 摘要 |
A friction clutch comprises a reaction plate, a friction disc (100), bearing at its outer periphery at least a friction lining (101), a pressure plate (11), a cover (12) fixed on the reaction plate, a diaphragm (13) operating between the cover (12) and the pressure plate (11) via secondary support (17) and primary support (18), a wear take-up device comprising a ramp (14) adapted to co-operate with a counter-ramp (15), a toothing (19) wherewith co-operates a tangentially arranged endless screw (23), the ramp (14) being locked in rotation with the toothing (19), ratchet wheel (20) driving in rotation the endless screw (23) consisting of a ratchet locked in rotation with the endless screw (23) and controlled via a control tab (36) whereof the travel is limited by a so-called control stop (33), the endless screw (23) and the ratchet (20) being borne by a support (22) integral with the cover (12): the control stop (33), as well as the primary support (18), is arranged on the cover (12).
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