Portable latch door lock

Details Portable latch door lock Portable latch door lock

1987-11-24

1990-04-17

Smith, Gary L.

Closure fasteners

Portable securer plate or bar

Sliding holding member

292264, E05C 1918

Patent

active

049174223

ABSTRACT:
A portable latch door lock having a cable which extends around the door knob to balance the thrust of an opening door as shown and described. The latch includes a pin within the body which clamps the cable in a hole in the body when the mechanism is in its tightened locked position. The lock engages the door by engaging a recess and striker plate in the door frame and extends across the face of the door to prevent opening of the door. The lock is tightened to the door and the recess and striker plate by drawing proportion which engages the door in the direction of the striker plate.

REFERENCES:
patent: 848644 (1907-04-01), Flegel
patent: 913223 (1909-02-01), Minderlein
patent: 2160460 (1939-05-01), McManey
patent: 2161673 (1939-06-01), Hammond
patent: 2288022 (1942-06-01), O'Brien et al.
patent: 3313566 (1967-04-01), Sipes
patent: 3640558 (1972-02-01), Gewertz et al.
patent: 4022503 (1977-05-01), Bey
patent: 4155578 (1979-05-01), Rolland
patent: 4285535 (1981-08-01), Leary

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