Anti-theft device having a cylinder lock

Details Anti-theft device having a cylinder lock Anti-theft device having a cylinder lock

1975-08-05

1977-10-11

Wolfe, Robert L.

Locks

Special application

For automotive vehicles

70360, 70455, E05B 6512

Patent

active

040528693

ABSTRACT:
A cylinder lock, particularly useful as a vehicle steering lock, of which the barrel is axially slidable between an outer, locked position and an inner position in which the barrel can be rotated by an appropriately coded key. Insertion of a key into the key passage of the barrel when the barrel is in the outer position is prevented by closure elements which are displaced by the leading end of the key, axial movement of the barrel from the outer to the inner position occurring during such displacement.

REFERENCES:
patent: 1736900 (1929-11-01), Carpenter
patent: 3659444 (1972-05-01), Wellekens
patent: 3724244 (1973-04-01), Schaumberg
patent: 3877265 (1975-04-01), Schaumberg

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