Locks – Operating mechanism – Key
Patent
1974-08-16
1976-11-09
Wolfe, Robert L.
Locks
Operating mechanism
Key
70419, 70DIG42, E05B 2704
Patent
active
039902811
ABSTRACT:
A pin tumbler lock in which a master cylinder is rotatably mounted within a housing and is drivable by a non-concentrically located drive cylinder also rotatably mounted within the housing. Bolt means are actuable by rotation of the master cylinder. A plurality of pin tumblers are positioned within respective pin bores and normally prevent rotation of both cylinders but are shiftable by key means into alternate positions whereby rotation of the master cylinder by the drive cylinder is permitted to thereby unlock the lock through actuation of the bolt means by the master cylinder.
REFERENCES:
patent: 2024497 (1935-12-01), Alberti
patent: 2748915 (1956-06-01), Byrnes
patent: R26272 (1967-09-01), Schreiber
Halpern Joel
Wolfe Robert L.
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