| 摘要 |
PROBLEM TO BE SOLVED: To improve rigidity of a diaphragm spring as interference between a rib and a peripheral member is prevented from occurring. SOLUTION: This diaphragm spring 8 is mounted on the flywheel 50 of a vehicle together with a clutch cover 2 and is worked to press a clutch disc assembly 51 against the flywheel 50 through a pressure plate 3 in linkage with a release device situated on the reverse side to the flywheel 50. The diaphragm spring is provided with a press part 11 to press the pressure plate 3 against the flywheel 50, a support part 12 supported at a clutch cover 2, ribs 13a and 13b formed in a manner to extend to the inner peripheral side of the support part 12 and radially extend, and provided at a tip part on the inner peripheral side with a plurality of lever parts 13 with which the release device makes contact. On the clutch cover 12 side, the rib of the lever part 13 is formed at 13a on a surface on the flywheel 50 side and on the inner peripheral side, the rib is formed at 13b on the release device side.
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