Locks – Special application – For control and machine elements
Patent
1986-11-17
1987-08-11
Wolfe, Robert L.
Locks
Special application
For control and machine elements
70252, B60R 2502
Patent
active
046853138
ABSTRACT:
The invention relates to an anti-theft steering lock for automobile vehicle, of the type comprising a bolt thrust elastically into the locking position and controlled by the rotation of a key rotor, and means for retaining the bolt in the retracted position which are set out of action by the withdrawal of the key.
The anti-theft device according to the invention is characterized in that the said retaining means comprise a key sensor sliding radially in the rotor and co-operating, in the locking angular position of the rotor, with a slide block movable in the lock housing at right angles to the axis of the rotor and thrust elastically towards the said rotor, the said slide block co-operating with an aperture of a slider fast in translational movement with the said bolt, the said aperture being prolonged towards the rear by a narrower slot, the said slide block having a width slightly less than that of the said slot and comprising, over a part of its height, an excess thickness of width greater than that of the said slot but less than that of the said aperture.
REFERENCES:
patent: 3566635 (1971-03-01), Wolter
patent: 3959996 (1976-06-01), Thirion
patent: 4313519 (1982-02-01), Lipschutz
patent: 4495786 (1985-01-01), Maseki
Neiman
Wolfe Robert L.
Wray James C.
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