Friction clutch and diaphragm spring therefor

Details Friction clutch and diaphragm spring therefor Friction clutch and diaphragm spring therefor

1986-02-13

1987-05-26

Krizmanich, George H.

192 clutches and power-stop control

Clutches

Axially engaging

192 89B, 267161, F16D 1372

Patent

active

046677933

ABSTRACT:
A friction clutch wherein the prongs of the diaphragm spring are formed with half spoon-shaped vanes each of which is adjacent to one edge face of the respective prong and serves to circulate air when the spring rotates. Each prong is further formed with a reinforcing rib which extends radially outwardly from the respective vane and into the ring-shaped main section of the spring. The ribs stiffen the prongs and prevent them from bending during actuation of the clutch, namely while the tips of the prongs are pushed or pulled in a direction to relax the bias of the spring upon the pressure plate of the clutch.

REFERENCES:
patent: 2171829 (1939-09-01), Haupt
patent: 3417846 (1968-12-01), Cook
patent: 4241819 (1980-12-01), Babcock et al.
patent: 4300669 (1981-11-01), Browne

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