Diaphragm spring for a friction clutch

Details Diaphragm spring for a friction clutch Diaphragm spring for a friction clutch

2005-07-19

2005-07-19

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C267S161000

Reexamination Certificate

active

06918479

ABSTRACT:
A diaphragm spring for a friction clutch includes a ring-like body area and a plurality of spring tongues arranged at the inner edge in a row in a circumferential direction and extending radially inward from the body area. Openings are formed between adjacent spring tongues, each opening having a radially outer base area, at least one of the openings being limited in the circumferential direction by a wall area having a curvature which increases as the wall proceeds from the base area.

REFERENCES:
patent: 3235049 (1966-02-01), Hufstader
patent: 3977504 (1976-08-01), Kajitani
patent: 4465267 (1984-08-01), Chatelin
patent: 4650050 (1987-03-01), Alas et al.
patent: 5078247 (1992-01-01), Meyer
patent: 5579881 (1996-12-01), Weidinger
patent: 58000632 (1983-01-01), None

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