Diaphragm spring clutch cover assembly

Details Diaphragm spring clutch cover assembly Diaphragm spring clutch cover assembly

1987-01-29

1988-09-13

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Axially engaging

192 89B, 192109A, F16D 1350, F16D 1370

Patent

active

047702826

ABSTRACT:
In a diaphragm spring clutch, a clutch driven plate is clampable against a rotatably driven counter - pressure plate by a pressure plate urged by a diaphragm spring. To cushion clutch re-engagements the pressure plate has an annular array of spaced lands facing the diaphragm spring and supporting a resilient fulcrum ring having spanning portions spanning the spaces between the lands, the spanning portions of the fulcrum ring being in contact with respective radial ribs on a face of the diaphragm spring. As the diaphragm spring increasingly urges the pressure plate during a clutch re-engagement, the spanning portions of the fulcrum ring are resiliently deformed by the ribs into the spaces between lands to axially cushion the re-engagement.

REFERENCES:
patent: 2359104 (1944-09-01), Geyer
patent: 3323624 (1967-06-01), Maurice
patent: 4095683 (1978-06-01), Ban
patent: 4184578 (1980-01-01), Moore et al.
patent: 4210233 (1980-07-01), Courbot
patent: 4291792 (1981-09-01), Henao
patent: 4629048 (1986-12-01), Draper et al.
patent: 4635779 (1987-01-01), Bacher et al.
patent: 4676357 (1987-06-01), Trotman et al.
patent: 4678071 (1987-07-01), Ball et al.

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