Locks – Operating mechanism – Key
Patent
1975-11-21
1977-08-30
Wolfe, Robert L.
Locks
Operating mechanism
Key
70427, 70461, E05B 1300
Patent
active
040445798
ABSTRACT:
An enclosure, for housing a manually operated lock, comprising a wall which may be mounted on either the lock or a door to surround the lock and, if necessary, its striker plate. A cover is pivotally mounted on the wall and provided with a key-actuated lock to prevent unauthorized operation of the manually operated lock.
REFERENCES:
patent: 504292 (1893-08-01), Badoni
patent: 3071425 (1963-01-01), West
patent: 3550412 (1970-12-01), Pitel
patent: 3888096 (1975-06-01), Huss
McGuire J. B.
Wolfe Robert L.
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