Security sliding door system

Details Security sliding door system Security sliding door system

1976-04-07

1977-12-20

Kannan, Philip C.

Movable or removable closures

Bipartite, center opening

Sliding closures

49372, 49411, 49449, E06B 342

Patent

active

040633896

ABSTRACT:
A double sliding door system in which a door stop centrally located between the doors works in combination with the positions of pin holes for receiving security pins so that security pins can be inserted through holes in the right and left door frames and will extend into the doors because of alignment of frame and door openings at times when the doors are against the stop in closed position for locking the sliding doors for 100% safety from opening from the outside of a home without destruction.

REFERENCES:
patent: 185499 (1876-12-01), Conroy
patent: 2169889 (1939-08-01), Waterbury
patent: 2315365 (1943-03-01), Christy
patent: 2561079 (1951-07-01), Trammell, Sr.
patent: 3009984 (1961-11-01), Lindgren
patent: 3100916 (1963-08-01), McKinney
patent: 3160927 (1964-12-01), Busillo

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