Spring plates of multiple disk friction coupling device

Details Spring plates of multiple disk friction coupling device Spring plates of multiple disk friction coupling device

1997-06-09

1999-01-12

Oberleitner, Robert J.

Spring devices

Bendable along flat surface

Ring or annular spider

267164, F16F 120

Patent

active

058576665

ABSTRACT:
A spring plate for use in a multiple disk friction coupling device, wherein a spring plate is an elastic member formed generally in a dish-like shape; a driving face facing a mating member comprises a side face of an outer diameter end portion, a circular protruding face, and a slant face smoothly continuing to this protruding face. The axial section of the driving face is formed of straight lines and curves which continue. The spring plate, when pushed against the mating member by a piston, is elastically deformed, pressing the driving face against a wide range of the mating member. Therefore the friction coupling member of the friction coupling device will never be locally heated to a high temperature, thus preventing heat distortion and non-uniform seizure of these members and accordingly smooth operation of the friction coupling device for a prolonged period of time.

REFERENCES:
patent: 2675225 (1954-04-01), Migny
patent: 3830477 (1974-08-01), Buchsteiner
patent: 4434863 (1984-03-01), Garrett

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