Diaphragm spring for a friction clutch

192 clutches and power-stop control – Clutches – Axially engaging

Reexamination Certificate

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Details

C192S070270, C192S089230, C192S111400

Reexamination Certificate

active

06877596

ABSTRACT:
A diaphragm spring for a friction clutch includes a ring-like body area and a plurality of spring tongues arranged in a row in the circumferential direction and extending radially inward from the body area. A stiffening rib formed in at least one of the spring tongues extends radially into the body area.

REFERENCES:
patent: 4241819 (1980-12-01), Babcock et al.
patent: 4601376 (1986-07-01), Reik
patent: 4618047 (1986-10-01), Kinz
patent: 4629048 (1986-12-01), Draper et al.
patent: 4667793 (1987-05-01), Kunz et al.
patent: 4747586 (1988-05-01), Reik
patent: 4770282 (1988-09-01), Maycock et al.
patent: 5400888 (1995-03-01), Hernandez
patent: 5560463 (1996-10-01), Link et al.

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