Lockout mechanism and system for vehicle shifter

Details Lockout mechanism and system for vehicle shifter Lockout mechanism and system for vehicle shifter

1991-01-17

1992-03-17

Braun, Leslie A.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74878, G60K 4128

Patent

active

050960334

ABSTRACT:
A locking mechanism and system for a vehicle shifter in which the shifting lever is locked in a park lock position until the brakes of the automotive vehicle are applied and/or the steering lockout mechanism located in the steering column of the vehicle is released by the ignition key of the vehicle. In one embodiment of the invention the pawl of the shifting lever is restrained by a lockout arm through which the brake mechanism and the lockout cable extending to the steering column are connected. In another embodiment, the lockout cable is eliminated by providing two electrical control modules operatively connected to the brake mechanism and the ignition key switch which controls the steering lockout mechanism. These two modules are connected in a unique circuit so that the shifting lever cannot be shifted out of park to other gear positions until the brake is applied and the steering lockout mechanism is released by the ignition key switch. This system prevents the return of the ignition switch to the lock position until the shifting lever is in the park position. In other embodiments of this invention, a manual apparatus is provided for retracting the lock pin of a control module to unlocked position. In still another embodiment, a structure is provided for overriding the extension of the lockout pin of a control module by exerting a greater than normal force on the shifting lever.

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