Pinion mate thrustwasher

Details Pinion mate thrustwasher Pinion mate thrustwasher

1994-12-28

1997-04-29

Marmor, Charles A.

Planetary gear transmission systems or components

With lubricaton

For differential planetary gearing

475230, 384358, 384902, 411534, F16H 4808

Patent

active

056243430

ABSTRACT:
A differential gear assembly comprising a rotatable case, a spider having at least one shaft mounted on the case for rotation therewith, a pinion gear rotatably mounted on the shaft and a thrustwasher non-rotatably mounted on the shaft and disposed between the pinion gear and the case. The thrustwasher includes an outer, arcuate side disposed in opposition with the casing and an inner, substantially flat side disposed in opposition with an outward side of the pinion gear. The thrustwasher includes a central opening for accepting the shaft and substantially flat surfaces forming a portion of the opening and cooperating with longitudinally extending flats formed on the shaft for preventing rotation of the thrustwasher relative to the shaft. The thrustwasher is preferably made of powdered metal and includes lubrication channels which cooperate with lubrication passages formed in the shaft so as to permit the flow of lubricant from the shaft across the outward side of the pinion gear.

REFERENCES:
patent: 1487073 (1924-03-01), Nogrady
patent: 1616627 (1927-02-01), Hunt
patent: 1795570 (1931-03-01), Nilson
patent: 3362258 (1968-01-01), Thornton
patent: 3874251 (1975-04-01), Lapitsky et al.
patent: 4084450 (1978-04-01), Conroy
patent: 4125026 (1978-11-01), Torii et al.
patent: 4136582 (1979-01-01), Boor
patent: 4163400 (1979-08-01), Fisher et al.
patent: 4978329 (1990-12-01), Yasui et al.
patent: 5234388 (1993-08-01), Nordkvist

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