Security lock for double doors

Details Security lock for double doors Security lock for double doors

1984-09-26

1985-10-22

Smith, Gary L.

Closure fasteners

Portable securer plate or bar

Sliding holding member

292259R, E05C 1918

Patent

active

045484368

ABSTRACT:
French doors or other double hinge doors are barred against inward opening by an intruder by placing a pair of apertured support brackets in the door jamb at the hinged edges of the double doors and allowing these brackets to be supported by resting on two door hinges. A section of 2.times.4 lumber or other bar member is then placed through apertures of the brackets and extends across the two doors to securely bar them.

REFERENCES:
patent: 193549 (1877-07-01), Pope
patent: 212242 (1879-02-01), Loper, Jr.
patent: 290400 (1883-12-01), Coe
patent: 633078 (1899-09-01), Crane et al.
patent: 698326 (1902-04-01), Schwab
patent: 888614 (1908-05-01), Hughes
patent: 1508919 (1924-09-01), Cain et al.
patent: 1722736 (1929-07-01), Derbyshire
patent: 3589761 (1971-06-01), Lambert
patent: 3980328 (1976-09-01), Pearson
patent: 4335910 (1982-06-01), Massie
patent: 4429911 (1984-02-01), O'Neal et al.

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