Split thrust/retainer ring for an overrunning clutch

Details Split thrust/retainer ring for an overrunning clutch Split thrust/retainer ring for an overrunning clutch

1986-07-10

1988-07-19

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Automatic

192 45, 192 451, 384420, F16D 4100, F16C 1704

Patent

active

047578874

ABSTRACT:
A thrust/retaining washer for use in an overrunning clutch is formed as an annular having a single split or opening therein. The washer is formed of an acetal resin material and the split allows it to be expanded to fit over the outside of a tubular inner race and snap into a radially extending circumferential groove formed in the outer cylindrical surface of the inner race. The washer thereby prevents rollers and/or spacers from escaping from the raceway between the inner race and outer race. The washer also abuts an inwardly facing surface of an end cap secured to the outer race to provide an axial thrust surface for the clutch. Radially extending lubrication grooves are formed in both radially extending planar surfaces of the washer to provide a path for lubrication to reach the internal elements of the clutch. The grooves are formed in both surfaces to permit the washer to be installed on the inner race without first orienting the washer.

REFERENCES:
patent: 2371653 (1945-03-01), Schuckers
patent: 2469572 (1949-05-01), Pratt
patent: 2552166 (1951-05-01), Gardiner
patent: 2872256 (1959-02-01), Thomson
patent: 2994570 (1961-08-01), Cousino
patent: 3298756 (1967-01-01), Wilson
patent: 3361237 (1968-01-01), Mathews
patent: 3635535 (1972-01-01), Schultenkamper
patent: 3844391 (1974-10-01), Hallerberg
patent: 4130325 (1978-12-01), Schultenkamper
patent: 4315698 (1982-02-01), Takahashi et al.
patent: 4421425 (1983-12-01), Foucher et al.
patent: 4501505 (1985-02-01), Chambers
patent: 4639148 (1987-01-01), Tamura et al.
"Which Stamped Retaining Ring?", Heinmann, Product Engineering, pp. 124-128, 2/50.
Waldes, TRUARC, pp. 7-16 (no date).

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