Security lock for hinged entry doors and the like

Details Security lock for hinged entry doors and the like Security lock for hinged entry doors and the like

1986-11-20

1988-09-13

Moore, Richard E.

Closure fasteners

Portable securer plate or bar

292262, 292288, E05C 1918

Patent

active

047704519

ABSTRACT:
Multiple embodiments of a security lock for hinged entry doors or the like are disclosed, each having a strike plate adapted for mounting on the door jamb with a lock element being selectively operable for locking the door and being opened inwardly. In one embodiment, the lock element is engaged with a slotted extension of the strike plate for locking the door and with an offset plate portion for storing the lock element in an unlocked position out of engagement with the door. In another embodiment, the lock element is connected to an offset portion of the plate by an elongated flexible element such as a chain. In yet another embodiment, the lock element is an elongated hook member which is rotatably attached to the plate and extends inwardly of the door in its closed position, the hook member being rotatable into either a locking position for engaging the door after it is opened a short distance from the jamb or an unlocked position. In a further embodiment, the lock element is supported in an unlocked position upon a portion of the plate by a magnet. In a still further embodiment, the lock element is attached to a key for the door. Various combinations of these embodiments are also contemplated.

REFERENCES:
patent: 339883 (1886-04-01), Hawes
patent: 3731965 (1973-05-01), Adkinson, Jr.
patent: 3914965 (1975-10-01), Paxton
patent: 4169619 (1979-10-01), McCracken

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