Steering column locking device having push release function

Details Steering column locking device having push release function Steering column locking device having push release function

2007-11-27

2007-11-27

Barrett, Suzanne Dino (Department: 3676)

Locks

Special application

For automotive vehicles

C070S186000

Reexamination Certificate

active

11635884

ABSTRACT:
A steering column locking device has an electromagnetic key interlock function that operates a solenoid to prevents a key knob from being undesirably moved to a lock position, as well as a mechanical key interlock function to conduct the key interlock function even when the solenoid malfunctions. The device includes the key knob and a plunger coupled to the key knob, so that when a user manipulates the key knob to start the vehicle, the plunger both moves axially and rotates. A cam shaft is coupled to the plunger, and a return spring is provided between the plunger and the cam shaft to bias the plunger towards the key knob. A stroke restrictor restricts a stroke of the plunger in the axial direction, and a push release functioning mechanism mechanically prevents the plunger from rotating from an accessory position to a lock position when the key interlock function fails.

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patent: 2005-335430 (2005-12-01), None
patent: 2006-0029445 (2006-06-01), None

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