Locking differential

Details Locking differential Locking differential

2009-03-04

2011-11-08

Wright, Dirk (Department: 3655)

Machine element or mechanism

Gearing

Nonplanetary gearing differential type

Reexamination Certificate

active

08051744

ABSTRACT:
A locking differential mechanism for supplying torque from a driveshaft to a pair of aligned output shafts including a pair of side gears, a central driver, and a pair of clutch members operatively coupled for rotation with the corresponding one of the pair of side gears. A cam assembly includes a pair of cam members. Each of the pair of cam members includes a plurality of camming teeth extending toward the corresponding teeth on the opposed cam member. Each of the cam members is movable from a first position where the cam teeth are disposed in meshing relationship with respect to each other when the pair of side gears are rotating at substantially the same speed and a second position spaced axially from the first position along the associated side gear so as to move an associated clutch member from its first position to its second position out of driven relationship with the central driver in response to a difference in rotational speed of the associated pair of side gears.

REFERENCES:
patent: 2329059 (1943-09-01), Knoblock
patent: 2638794 (1953-05-01), Knoblock
patent: 3397593 (1968-08-01), Knoblock
patent: 3791238 (1974-02-01), Bokovoy
patent: 4424725 (1984-01-01), Bawks
patent: 4745818 (1988-05-01), Edwards et al.
patent: 6076429 (2000-06-01), Valente
patent: 6688194 (2004-02-01), Dissett et al.

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