Thrust washer assembly for speed gear shaft

Details Thrust washer assembly for speed gear shaft Thrust washer assembly for speed gear shaft

1987-01-27

1988-02-02

Staab, Lawrence

Machine element or mechanism

Gearing

Rotary bodies

384420, 384903, F16C 1704, F16H 5512

Patent

active

047222409

ABSTRACT:
An improved split thrust washer assembly for a vehicle transmission speed shaft. The assembly includes a pair of semi-circular washer segments held in a speed shaft circumferential groove by a C-type compression retaining ring. The ring biases each washer segment interior surface into contact with the groove base wall during maximum shaft speeds thereby neutralizing the centrifugal force tending to separate the segments from the groove. The segments have radially extending opposed end faces having a predetermined minimal clearance therebetween thereby insuring that the segments are maintained in contact with the groove. The thrust washer assembly allows a shallower groove to carry the design thrust loads so as to improve shaft fatigue life.

REFERENCES:
patent: 3159047 (1964-12-01), Dable
patent: 3220273 (1965-11-01), Christian
patent: 3700083 (1972-10-01), Ashikawa et al.
patent: 4006659 (1977-02-01), Wurzel et al.
patent: 4138168 (1979-02-01), Herlitzek
patent: 4277199 (1981-07-01), Livesay
patent: 4385846 (1983-05-01), Knauss

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