Patent ID: 6131716
Filing Date: 2000-10-17
Classification: F16D

Abstract:
A diaphragm spring assembly for urging a clutch, said diaphragm spring assembly being supported by a clutch cover and comprising:a first diaphragm spring having an annular first elastic portion and a plurality of first lever portions extending from said first elastic portion in a radially inner direction to inner tips; anda second diaphragm spring arranged next to said first diaphragm spring, said second diaphragm spring having an annular second elastic portion disposed axially adjacent said first elastic portion such that said second elastic portion contacts and overlies said first elastic portion to form two layers, and a plurality of second lever portions extending from said second elastic portion in a radially inner direction, with said plurality of second lever portions being shorter than said plurality of first lever portions,said second lever portions being disposed axially adjacent said first lever portions such that at least one of said second lever portions contacts and overlies at least one of said first lever portions.