Door lock security apparatus

Details Door lock security apparatus Door lock security apparatus

1989-07-21

1990-08-28

Moore, Richard E.

Closure fasteners

Wedges

Portable

292258, E05C 1754

Patent

active

049519824

ABSTRACT:
For maintaining a dead bolt lock handle in a locked position while the occupant of a room is inside of the room to prevent someone outside of the room unlocking the dead bolt lock, there is provided an elongated security member having a first end portion that mounts an adjustment member and a second end portion that is notched to have lock handle extend therethrough and form two legs. The adjustment member in abutting against the door serves to vary the angle of the legs relative to the door to wedgingly engage the cross bar in its locked position to prevent one exterior of the room using a key to unlock the lock. The second end portion may be directly abuttable against one of the lock housing and the door, or if necessary a spacer plate may be used to have extend between the security member and the door interior. The spacer plate has notches for the adjustment member and the lock handle to extend through.

REFERENCES:
patent: 564294 (1896-07-01), Shepard et al.
patent: 776378 (1904-11-01), Bellamy
patent: 1119650 (1914-12-01), Smith
patent: 1338205 (1920-04-01), Albright
patent: 2396982 (1946-03-01), Bousquet
patent: 4715200 (1987-12-01), Katsonas

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