Caged helical gear differential

Details Caged helical gear differential Caged helical gear differential

1985-12-05

1988-12-20

Braun, Leslie A.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74710, F16H 138

Patent

active

047918322

ABSTRACT:
A torque proportioning differential utilizing helical face side gears and helical pinions is disclosed which is equivalent in torque capacity and interchangeable with bevel gear differentials in the same case and which is economical to manufacture.
A differential structure, interchangeable with bevel gear differential components in the same case, composed of a drive cage in which are pocketed up to 8 helical pinions; two helical face side gears in concentric relationship on each side of the cage with teeth engaging the helical pinions; thrust-friction plates fixed alternately to the side gears and the cage and spring mechanism for pre-loading the friction plates. The helical face side gears connect with axle shafts to drive the load.

REFERENCES:
patent: 1719803 (1929-07-01), Fickett
patent: 1988183 (1935-01-01), Whitcomb
patent: 2666343 (1954-01-01), Cassa-Massa
patent: 2859641 (1958-11-01), Gleasman
patent: 2972265 (1961-02-01), Walter
patent: 3237483 (1966-03-01), Kelly et al.
patent: 3253483 (1966-05-01), McCaw
patent: 3735647 (1973-05-01), Gleasman
patent: 3886813 (1975-06-01), Baremor
patent: 4163400 (1979-08-01), Fisher et al.
patent: 4191071 (1980-03-01), Gleasman et al.

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