192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1991-12-03
1992-12-01
Braun, Leslie A.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
74878, B60K 4128
Patent
active
051673088
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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Braun Leslie A.
Grand Haven Stamped Products, Div. of JSJ Corporation
Whitelaw Nicholas
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