Power transfer assembly with one-piece retainer ring

Details Power transfer assembly with one-piece retainer ring Power transfer assembly with one-piece retainer ring

1990-06-07

1991-04-30

Bonck, Rodney H.

Brakes

Wheel

Axially movable brake element or housing therefor

188170, 192 7027, 192 91A, 192109A, F16D 5536

Patent

active

050109847

ABSTRACT:
A power transfer assembly with a one-piece retainer ring includes a housing, a plurality of alternating rotatable and non-rotatable friction discs, a power actuated piston, a spring washer, a cushion spring between the piston and the friction discs, and a retaining ring for retaining the spring washer in place. The one-piece retainer ring includes a first retainer portion positioned within a recessed groove in the housing and a second portion in contact with the spring washer. Prior art clutch and brake assemblies utilize several types of retaining rings and reaction type wear members to retain and react against a spring element. These prior art devices required two or more members to provide the retention and reaction functions. The subject combination retainer and wear ring is a one-piece member.

REFERENCES:
patent: 2380677 (1945-07-01), Schjolin
patent: 2700444 (1955-01-01), Ahlen
patent: 3266608 (1965-04-01), Lemieux
patent: 3353641 (1967-11-01), Chana
patent: 3612237 (1971-10-01), Honda
patent: 3837439 (1974-09-01), Piret
patent: 4291792 (1981-09-01), Henao
patent: 4371066 (1983-02-01), Fujioka et al.
patent: 4440281 (1984-04-01), Hauguth
patent: 4465170 (1984-08-01), Marchisio
patent: 4646892 (1987-03-01), Takeuchi et al.
patent: 4947966 (1990-08-01), Huff

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