Locks – Operating mechanism – Key
Patent
1981-09-15
1983-12-06
Wolfe, Robert L.
Locks
Operating mechanism
Key
70361, E05B 2902
Patent
active
044185545
ABSTRACT:
A key operated locking mechanism comprises a cylinder housing, an axially displaceable cylinder core which rotates in a cylindrical opening in the cylinder housing and which is movable axially between a locking position and an unlocking position, a locking bolt movable by said core between locking and unlocking positions, and plate tumblers on said core which project, in the axially displaced locking position of the cylinder core, beyond the external surface thereof when the key has been withdrawn. In the cylindrical opening in the cylinder housing there is provided at least one contact surface, which is arranged so as to be transverse of the lock axis and is directed towards the locking bolt, for cooperation with a portion of at least one of said plate tumblers that surmounts the cylinder core surface at a point with which the surmounting portion is in abutting contact in that axial position of the cylinder core in which the locking bolt is in its locking position.
REFERENCES:
patent: 2098189 (1937-11-01), Kistner
patent: 4009599 (1977-03-01), Petriquin
patent: 4077240 (1978-03-01), Crasnianski
Neiman S.A.
Wolfe Robert L.
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