Automotive anti-theft steering lock

Details Automotive anti-theft steering lock Automotive anti-theft steering lock

1988-12-20

1991-01-15

Luong, Vinh T.

Machine element or mechanism

Elements

Pawls and ratchets

74527, 74492, 70252, G05G 100, G05G 506

Patent

active

049844814

ABSTRACT:
An anti-theft steering lock includes a locking sleeve fixed to a steering shaft and having substantially radial teeth. Pivoted levers each having a pointed tip are freely pivoted on axes extending parallel to the steering shaft and fixed to a fixed support in which cradle portions are formed. The levers are nested in these cradle portions. Second ends of the levers, opposed to the pointed tip ends, cooperate with a window formed in a control bracket which has a narrow zone and a wide zone. The angular spacing between the pointed tips of the levers is slightly smaller than the angular spacing (a) between two successive teeth of the locking sleeve, or a whole number multiple of this angular spacing.

REFERENCES:
patent: 1270007 (1918-06-01), Cloyed
patent: 1442003 (1923-01-01), Rohrer
patent: 1516681 (1924-11-01), Palmer
patent: 1767593 (1930-06-01), Laabs
patent: 1868558 (1932-07-01), Anderson
patent: 4267748 (1981-05-01), Grunewald et al.
patent: 4658610 (1987-04-01), Weber
patent: 4881389 (1989-11-01), Alfon et al.

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