Four pinion mate differential gear assembly having a one-piece d

Details Four pinion mate differential gear assembly having a one-piece d Four pinion mate differential gear assembly having a one-piece d

1995-06-07

1997-07-15

Marmor, Charles A.

Planetary gear transmission systems or components

Differential planetary gearing

Bevel gear differential

74607, F16H 4828

Patent

active

056478143

ABSTRACT:
The present invention relates to a one piece, four pinion mate differential gear assembly. The first pair of pinions are rotationally supported on a cross pin that contains a cross bore formed through the central area. A pair of hollow pinion support sleeves are located on opposite sides of the cross bore, seated on the cross pin. The second pair of pinion mates are rotationally supported on the hollow sleeves while retainer plates are also engaged with the outer end of each sleeve to retain each pinion thereon. A cross bolt is inserted through the sleeves, the cross bore, and the retainer plates to retain all of the components in position. The retainer plates seat on the differential case to provide additional support to the gear assembly and to receive torque from the differential case so that stress is not concentrated at the intersection of the cross pin and cross bolt.

REFERENCES:
patent: 1461102 (1923-07-01), Sternbergh
patent: 3593595 (1971-07-01), Taylor
patent: 3651713 (1972-03-01), Mueller
patent: 3653280 (1972-04-01), Koskela
patent: 3874251 (1975-04-01), Lapitsky et al.
patent: 3894447 (1975-07-01), Michael
patent: 3974717 (1976-08-01), Breed et al.
patent: 4856372 (1989-08-01), Williamson
patent: 4959043 (1990-09-01), Klotz et al.

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