Friction clutches

Details Friction clutches Friction clutches

1978-10-25

1980-07-29

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Plural clutch-assemblage

192 488, 192 7021, 192 89B, F16D 1356, F16D 2106

Patent

active

042146534

ABSTRACT:
A dual clutch has the usual driving member, two pressure plates and two driven plates frictionally engaged between a pressure plate and the driving member. The clutch also has a conventional cover member. The spring arrangement for providing a clamp load on the driven members between the driving members and the pressure plates is made up of two separate springs. One spring is a diaphragm spring, complete with inwardly extending release fingers, which act between the cover member and the main or first pressure plate. The second spring is a belleville spring which is less strong than the first mentioned spring, and acts between the two pressure plates to provide the clamp load for the second pressure plate but reduce the clamp load for the main pressure plate.

REFERENCES:
patent: 2600520 (1952-06-01), Spase
patent: 2899897 (1959-08-01), Ludwig
patent: 3021931 (1962-02-01), Holz
patent: 3215233 (1965-11-01), Smith et al.
patent: 3279572 (1966-10-01), Dearnley

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