Locks – Operating mechanism – Key
Patent
1987-10-07
1989-05-16
Wolfe, Robert L.
Locks
Operating mechanism
Key
70380, E05B 1704
Patent
active
048297984
ABSTRACT:
A combination switch lock/cam lock assembly which includes a one-piece shell, a plug with a tenon, an electrical switch, and a cam is insertable from the front face of a panel opening by not affixing the cam until after the lock is inserted. After the lock is inserted in the panel and secured by a panel nut, the cam is installed by insertion through a slot in the shell to engage and be rotated by the tenon, and a spring-like retainer carried by the cam grips the tenon to retain the cam on the tenon and prevent the cam from being easily removed from the shell.
REFERENCES:
patent: 2275362 (1942-03-01), Golden
patent: 2837908 (1958-06-01), Segal
patent: 2962888 (1960-12-01), Ahlquist
patent: 3740979 (1973-06-01), Crepinsek
patent: 4603566 (1986-08-01), Kruehn
Medeco Security Locks Inc.
Wolfe Robert L.
LandOfFree
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