Concealed door frame security device

Details Concealed door frame security device Concealed door frame security device

1986-09-19

1988-09-13

Moore, Richard E.

Closure fasteners

Keepers

292346, 49504, 52211, 52213, E05C 2102

Patent

active

047704527

ABSTRACT:
A security device provided for use in a door frame assembly has a door jamb disposed in surrounding relation to a door. The security device is comprised of an elongated, rigid plate inserted into a slot and firmly anchored in place in the door jamb in spaced parallel relation to the free vertical edge of the door. The plate has an opening aligned with an opening in the door jamb, and the spacing between the plate and face of the door jamb is such that a deadbolt on the door will project through the aligned openings in the door jamb and plate.

REFERENCES:
patent: 2144075 (1939-01-01), Mora
patent: 2255860 (1941-09-01), Riedel
patent: 3279840 (1966-10-01), Barone
patent: 3442543 (1969-05-01), Weyman
patent: 3918207 (1975-11-01), Aliotta
patent: 3934910 (1976-01-01), Radke
patent: 4057275 (1977-11-01), La Beaud
patent: 4171837 (1979-10-01), McRoy
patent: 4174862 (1979-11-01), Shane
patent: 4295299 (1981-10-01), Nelson
patent: 4376353 (1983-03-01), Helfman
patent: 4383709 (1983-05-01), Ronan
patent: 4416087 (1983-11-01), Ghotok

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