Anti-theft device for motor vehicles

Details Anti-theft device for motor vehicles Anti-theft device for motor vehicles

1998-04-06

1999-11-30

Barrell, Suzzanne Dino

Locks

Special application

For control and machine elements

70221, 70188, 74492, B60R 2502

Patent

active

059921919

ABSTRACT:
An anti-theft device for motor vehicles which selectively disables the vehicle by interrupting the operative connection of the steering wheel to the steering column. The device includes an outer cylindrical boss which is affixed to the steering wheel and an inner cylindrical boss which is affixed to the steering column. The outer boss is disposed about the inner boss and axially movable thereon with the steering wheel between an engaged position and a disengaged position. In the engaged position the inner boss is coupled to the outer boss by a plurality of engaged locking teeth for operation of the vehicle. In the disengaged position locking teeth on the outer boss are axially separated from locking teeth on the inner boss and the outer boss and attached steering wheel are freely rotatable about the inner boss, operatively disengaging the steering wheel from the steering column and effectively disabling the vehicle. A locking assembly employing a key actuated cam and associated spring biased latch provides a dual coupling of the outer boss to the inner boss to securely lock the steering wheel in either the engaged position or the disengaged position.

REFERENCES:
patent: 1368382 (1921-02-01), Becker
patent: 1421870 (1922-07-01), Diezelski
patent: 1556588 (1925-10-01), Christoph
patent: 4881389 (1989-11-01), Alfon et al.
patent: 5150592 (1992-09-01), Lin
patent: 5180029 (1993-01-01), Rosenlund
patent: 5345797 (1994-09-01), Hayes
patent: 5383344 (1995-01-01), Zambell
patent: 5735151 (1998-04-01), Nickeas et al.
patent: 5823024 (1998-10-01), Goodson et al.

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