Electronically actuated locking differential

Details Electronically actuated locking differential Electronically actuated locking differential

2007-09-04

2007-09-04

Rodriguez, Saul (Department: 3681)

Planetary gear transmission systems or components

Differential planetary gearing

Bevel gear differential

C475S231000

Reexamination Certificate

active

11035832

ABSTRACT:
A locking differential having a collar member (35) fixed to rotate with the gear case (11), but free to move axially, and cooperating with a first sidegear (19) to define interdigitated lock members (41,43) operable, when the collar member is locked (FIG.1), to prevent rotation of the first sidegear relative to the gear case (11). A spring (61) is disposed between the collar member and the gear case, to bias the collar member toward unlocked (FIG.3). A plurality of actuation members (47) is provided, each having a first end (49) in engagement with the collar member, and a second end (51) in engagement with a ramp plate (53). When the actuating means is in the actuated condition, the ramp plate rotates relative to the gear case, and the actuation members ramp-up on the ramp plate and move the collar member from unlocked to locked.

REFERENCES:
patent: 5007886 (1991-04-01), Holmquist et al.
patent: 5591098 (1997-01-01), Jones et al.
patent: 6083134 (2000-07-01), Godlew
patent: 6537172 (2003-03-01), McAuliffe et al.
patent: 6551209 (2003-04-01), Cheadle et al.

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