Self-releasing security bar

Details Self-releasing security bar Self-releasing security bar

1987-02-04

1988-10-25

Smith, Gary L.

Closure fasteners

Cross bars

Vehicle door latches

292263, 292DIG65, E05C 2102, E05C 904

Patent

active

047799102

ABSTRACT:
A security bar maintaining the closure of a hinged door has telescoping inner and outer sections, with the opposite ends of this assembly engaging receptacles in a door jamb or the wall structure adjacent the door opening. Aligned transverse holes in the inner and outer sections are engaged by a release pin to maintain the bar in engagement with the receptacles to prevent unauthorized opening of the door. A spring pulls the bar sections to a shorter overall length on removal of the release pin to permit the bar to fall away from the receptacles for emergency exit.

REFERENCES:
patent: 386423 (1888-07-01), Cornell
patent: 1553003 (1925-09-01), Ohmart
patent: 2421275 (1947-05-01), Lopez
patent: 3583743 (1971-06-01), Newell
patent: 3752518 (1973-08-01), Cannell
patent: 3809417 (1974-05-01), Craig
patent: 3986741 (1976-10-01), Giovannini
patent: 4017104 (1977-04-01), Walker
patent: 4070049 (1978-01-01), Brewer
patent: 4078836 (1978-03-01), Wilson
patent: 4262503 (1981-04-01), Kuebler
patent: 4295676 (1981-10-01), Smith
patent: 4318559 (1982-03-01), Burton
patent: 4462625 (1984-07-01), Barnhill
patent: 4483558 (1984-11-01), Van Meter
patent: 4563027 (1986-01-01), Chechovsky et al.

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