Wear ring for spring of friction coupling

Details Wear ring for spring of friction coupling Wear ring for spring of friction coupling

1979-12-17

1983-03-08

Krizmanich, George H.

192 clutches and power-stop control

Clutches

Operators

192 7027, 192 18A, 188170, 267162, F16D 1344

Patent

active

RE0311685

ABSTRACT:
A power drive assembly having a housing, a drive mechanism removably installed in the housing, an annular biasing spring installed in the housing for biasing the mechanism, and a wear ring arrangement including an undercut annular groove in the mechanism opening coaxially toward an end of the biasing spring and a wear ring removably installed in the groove to engage the end of the biasing spring in the assembled arrangement of the power drive assembly. The wear ring has a cross section complementary to the undercut groove cross section whereby the mechanism may be installed in the housing with the groove opening downwardly and the wear ring maintained in the groove for facilitated assembly of the power drive.

REFERENCES:
patent: 3266608 (1966-08-01), Lemieux
patent: 3633715 (1972-01-01), Burnett
patent: 3640361 (1972-02-01), Spichala
patent: 3831718 (1974-08-01), Muller et al.
patent: 3912058 (1975-10-01), Parkins
patent: 4063846 (1977-12-01), Eagle
patent: 4086995 (1978-05-01), Spokas

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