| 摘要 |
A friction clutch for a motor vehicle comprises a cover plate and a pressure plate, with an elastic diaphragm between them. The peripheral portion of the diaphragm is at least partly enveloped by a sheath having two annular flanks which lie against the respective opposed surfaces of the peripheral portion. Each of these flanks has an annular projecting element, each of which has a convexity which cooperates with a corresponding surface portion of the pressure plate and cover plate respectively.
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