Vehicle differential

Details Vehicle differential Vehicle differential

1998-12-22

2000-11-14

Estremsky, Sherry

Planetary gear transmission systems or components

Differential planetary gearing

Bevel gear differential

475231, F16H 4808, F16H 4822

Patent

active

061463043

ABSTRACT:
A differential apparatus for transmitting a driving force from a pinion gear supported on an input shaft to a pair of axle output shafts includes a differential case, a ring gear, and a spider gear assembly. The differential case is made from a single piece and includes a longitudinally extending central bore that defines a longitudinal axis. The differential case includes a plurality of longitudinal slots extending along an inner surface of the central bore. A ring gear is supported by the differential casing and is rotatable about the longitudinal axis by the pinion gear connected to the input shaft. The ring gear is preferably welded to the differential casing. The differential apparatus also includes a spider member that has a central body portion with a plurality of legs extending radially outwardly from the body portion. A spider gear is supported on each of the legs. The differential case can be used with either a standard differential or a limited slip differential. In the standard differential, the spider legs are received and retained within the longitudinal slots without the use of fasteners. In the limited slip differential, an actuator housing assembly includes tabs that are received in the longitudinal slots and the spider legs react against the actuator housing assembly. In both configurations, the spider gears drive side gears that are mounted to each of the axle shafts, which drive the vehicle's wheels.

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