Locks – Operating mechanism – Key
Patent
1987-05-21
1988-08-02
Wolfe, Robert L.
Locks
Operating mechanism
Key
70378, E05B 2702
Patent
active
047607220
ABSTRACT:
A cylinder lock which includes pin-tumblers to lock a cylinder against rotation relative to a housing, wherein the pin-tumblers and tumbler bores are arranged such that the axes thereof lie in different parallel longitudinal planes normal to a diametrical plane of the cylinder and each tumbler bore receives a plurality of pin-tumblers.
REFERENCES:
patent: 1095500 (1914-05-01), Hansen
patent: 3393542 (1968-07-01), Crepinsek
Fann Yaw-Shin
Wu Rong-Faa
Tong Lung Metal Industry Co. Ltd.
Wolfe Robert L.
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