Locks – Special application – For portable articles
Patent
1979-12-10
1981-10-27
Wolfe, Robert L.
Locks
Special application
For portable articles
70371, 109 50, E05B 6552
Patent
active
042966175
ABSTRACT:
A high security receptacle for a key is provided which is attachable to a door or like structure having an interior surface and an exterior surface. The receptacle comprises an elongated cylindrical housing having a length greater than the width of the door and a longitudinally extending cavity formed in the housing and which is open only through one axial end of the housing. The housing is positioned through a like shaped aperture formed through the door so that the open end of the housing faces outwardly from the exterior flush surface of the door while a portion of the housing protrudes radially inwardly from the interior surface of the door. A radially extending flange on the housing is secured to the door and has a surface which flatly abuts against the interior surface of the door and is secured to it by conventional threaded fasteners. A key is positioned within the interior of the cavity and, thereafter, the open end of the cavity is closed by a closure plug. A lock carried by the closure plug permits the closure plug to be removed from the housing only by authorized personnel.
REFERENCES:
patent: 1590007 (1926-06-01), West
patent: 1885692 (1932-11-01), Dugan
patent: 2139909 (1938-12-01), Park
Teledyne Industries Inc.
Wolfe Robert L.
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