Key operated lock for securing a movable portion of a motor vehi

Details Key operated lock for securing a movable portion of a motor vehi Key operated lock for securing a movable portion of a motor vehi

1980-10-28

1983-06-14

Britts, Ramon S.

Locks

Special application

For control and machine elements

70252, 70370, E05B 6512

Patent

active

043875823

ABSTRACT:
An anti-theft device for a motor vehicle comprises a locking bolt movable into a locking position to secure a steering column, and a cylinder lock actuated driving plate movable in a direction transverse to the direction of movement of the locking bolt. The driving plate is provided with an inclined slot which drivably engages a pin attached to the locking bolt. The end of the slot is provided with a cut-out portion forming a surface against which the pin engages if the locking bolt is moved in an unauthorized manner. Furthermore, the surface of the cut-away portion is so shaped that the driving plate is urged to remain in its locking position. For authorized unlocking, movement of the driving plate by means of the cylinder lock opposite to its locking position causes the slot to drive the locking bolt into an unlocked position.

REFERENCES:
patent: Re15587 (1923-05-01), Pagelsen
patent: 1818997 (1931-08-01), Martel
patent: 1861713 (1932-06-01), Norviel
patent: 2053335 (1936-09-01), Jacobi
patent: 2517378 (1950-08-01), Aspenwall et al.
patent: 3792884 (1974-02-01), Tutikawa
patent: 3828592 (1974-08-01), Horgan, Jr.
patent: 3870353 (1975-03-01), Miller
patent: 3919867 (1975-11-01), Lipschutz et al.
patent: 3985009 (1976-10-01), Lipschutz

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