| 摘要 |
PCT No. PCT/FR95/00862 Sec. 371 Date Feb. 28, 1996 Sec. 102(e) Date Feb. 28, 1996 PCT Filed Jun. 28, 1995 PCT Pub. No. WO96/00857 PCT Pub. Date Jan. 11, 1996A clutch mechanism having a cover plate (11), a pressure plate (13), and two diaphragms (14A, 14B) disposed therebetween. Each diaphragm (14A, 14B) has firstly, a peripheral portion (15A, 15B) defining a Bellevile ring which engages the cover plate (11) and bears on the pressure plate (13), and secondly a central portion (17A, 17B) which is divided into radial fingers (18A, 18B) by slots. The peripheral portions (15A, 15B) of the two diaphragms (14A, 14B) are essentially spaced axially apart, and have different geometrical characteristics such that the characteristic curve of the assembly has no hump.
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