Security latch for sliding doors

Closure fasteners – Bolts – Swinging

Patent

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Details

292DIG9, 292DIG46, E05C 104

Patent

active

040688755

ABSTRACT:
A latch for sliding doors, having a first plate fixed to the heel of one of the doors and a second plate hingedly attached to the end of the second plate. When the plates are folded together, they are parallel. When the plates are folded at right angles to each other, a screw threaded into the second plate engages a recess in the other door, preventing the doors from sliding relative to each other.

REFERENCES:
patent: 915593 (1909-03-01), Greeno
patent: 922644 (1909-05-01), Vogel
patent: 926460 (1909-06-01), Benedict
patent: 1314488 (1919-08-01), McMahan
patent: 1371087 (1921-03-01), Haslett
patent: 1715590 (1929-06-01), Burhenne
patent: 1727977 (1929-09-01), Holtzman
patent: 2003128 (1935-05-01), Vasguey
patent: 3471189 (1969-10-01), Ness

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