Planetary gear transmission systems or components – Differential planetary gearing – Spur gear differential
Patent
1999-05-13
2000-04-25
Ta, Khoi Q.
Planetary gear transmission systems or components
Differential planetary gearing
Spur gear differential
475252, 74606R, F61H 4806
Patent
active
060538384
ABSTRACT:
A one-piece differential casing for a parallel-axis differential assembly is provided. The integral casing includes a drum segment defining an internal chamber and a flange segment extending radially from the outer periphery of the drum segment. The casing further includes a window aperture extending through the drum segment that communicates with the chamber, a pair of sockets formed in the axle openings to rotatably support the side gears therein, and paired sets of gear pockets. A set of first pinion pockets are formed as elongated bores which communicate with the internal chamber and have an opening through one end wall of the drum segment. In addition, a set of second pinion pockets are formed as elongated bores which communicate with the internal chamber and have an opening through the opposite end wall of the drum segment. The first and second pinion pockets are arranged in paired sets and each has an axis which is parallel to the axis of the axle openings. After pinions are installed through the openings in the ends of the first and second pinion pockets, plugs are mounted in the openings to enclose the pockets, thereby retaining the pinion in the integral casing.
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patent: 5848950 (1998-12-01), Teraoka et al.
patent: 5890984 (1999-04-01), Teraoka et al.
patent: 5984823 (1999-11-01), Gage
American Axle & Manufacturing Inc.
Ta Khoi Q.
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