Anti-shim safety device for preventing wrongful disengagement of

Details Anti-shim safety device for preventing wrongful disengagement of Anti-shim safety device for preventing wrongful disengagement of

1980-06-19

1983-05-17

Moore, Richard E.

Closure fasteners

Bolt guards

292340, E05C 2100

Patent

active

043837093

ABSTRACT:
Improved safety device for installation on door jambs in hotels, motels and the like to prevent the use of shim-type devices for unauthorized entry into guest rooms, wherein the device comprises a right angled strip of metal, to be secured to the door jamb opposite the free end of the door when the door is in the closed position, the device having a portion adapted to lap against the outer side of the door, so as to provide maximum resistance to insertion of a shim or similar article between door and lapped portion, thus preventing penetration far enough to disengage the latch bolt from the striker plate aperture in which it is engaged in the normal, locked position.

REFERENCES:
patent: 1021672 (1912-03-01), Hart
patent: 1670442 (1928-05-01), Fetter
patent: 2144075 (1939-01-01), Mora
patent: 2665156 (1954-01-01), Allen
patent: 3279840 (1966-10-01), Barone
patent: 3392999 (1968-07-01), Thompson
patent: 3764173 (1973-10-01), Griffith
patent: 3888530 (1975-06-01), Fabrici

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