Door security apparatus

Details Door security apparatus Door security apparatus

1985-09-30

1987-05-19

Moore, Richard E.

Closure fasteners

Braces

292DIG15, 2923363, E05C 310

Patent

active

046661956

ABSTRACT:
A door security apparatus for preventing unauthorized opening of a door includes a rockshaft journalled for pivot movement at the bottom edge of the door and having at least one stop arm extending therefrom. An operating device is connected to the rockshaft for pivoting the rockshaft to move the stop arm into and out of door bracing engagement with the floor proximate the door.

REFERENCES:
patent: 168563 (1875-10-01), Fellows et al.
patent: 867811 (1907-10-01), Edgcomb
patent: 957584 (1910-05-01), Vanoni
patent: 1054151 (1913-02-01), Troetel
patent: 1661240 (1928-03-01), Trimbach
patent: 3771376 (1973-11-01), Larkin
patent: 4456291 (1984-06-01), Brogie
patent: 4494784 (1985-01-01), Haynes

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