Torque based park lock assembly

Details Torque based park lock assembly Torque based park lock assembly

2011-08-23

2011-08-23

Lorence, Richard M. (Department: 3655)

192 clutches and power-stop control

Transmission and brake

Motor vehicle

C188S07700R

Reexamination Certificate

active

08002101

ABSTRACT:
A torque based park lock assembly for motor vehicles, especially passenger cars and trucks equipped with automatic transmissions, includes a lobed wheel secured to a transmission output shaft and a rotation restricting flexible lever which may be selectively moved into engagement with the lobed wheel by a cam. A bi-directional motor rotates the cam. A return spring translates the lever away from the lobed wheel when the cam is rotated into a disengaged (non-Park) position.

REFERENCES:
patent: 3703941 (1972-11-01), Ohie et al.
patent: 5236066 (1993-08-01), O'Neal et al.
patent: 5531303 (1996-07-01), Raszkowski
patent: 5704457 (1998-01-01), Kimura et al.
patent: 6125983 (2000-10-01), Reed, Jr. et al.
patent: 6279713 (2001-08-01), Young et al.
patent: 2009/0173594 (2009-07-01), Joshi

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