Supports: cabinet structure – Gang-bar type locking or latching means – Concealed
Patent
1983-06-09
1985-04-30
Smith, Gary L.
Supports: cabinet structure
Gang-bar type locking or latching means
Concealed
292202, 292DIG9, 312222, E05C 706
Patent
active
045140200
ABSTRACT:
A lock system for a desk drawer, a cabinet door or the like includes a hinge consisting of a first supporting hinge plate, a second locking hinge plate and a joint rotatably connecting said first and second hinge plates. The hinge, when locked, has a substantially planar configuration and an unlocked configuration in which the second hinge plate is substantially perpendicular to the first hinge plate. The hinge is positioned at the opposed, adjacent interior edges of a first door panel of a cabinet, desk drawer or the like and a second door panel of an adjacent cabinet, desk drawer or the like with the first supporting hinge plate being rigidly attached to the interior surface of the first door panel adjacent to the second door panel. The second locking hinge plate is of sufficient width and thickness so that it protrudes between the first and second door panels, when in the unlocked configuration, providing an external handle by which the door panel to which it is attached may be opened and closed, even when the adjacent drawer or door is locked. When the hinge is in the planar locking configuration, the door panel to which it is rigidly attached can be locked by locking the adjacent door panel, which has an interior surface which presses and abuts against the second locking hinge plate when the adjacent door panel is shut. Thus, when locked, the lock is not visible from the exterior, providing greater security.
REFERENCES:
patent: 871727 (1931-08-01), Morrison
patent: 1379977 (1974-05-01), Hamlin
patent: 1817101 (1907-11-01), Roby
patent: 3811302 (1921-05-01), Sorensen
patent: 4068875 (1978-01-01), Miller
Illich Russell W.
Smith Gary L.
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