Window gate apparatus

Details Window gate apparatus Window gate apparatus

1996-08-30

1999-02-23

Dorner, Kenneth J.

Movable or removable closures

Facially opposed primary and auxiliary closure for common...

Auxiliary mounted for movement

49394, 292DIG65, E05B 6504

Patent

active

058731989

ABSTRACT:
An apparatus for preventing unwanted entry through the windows of a structure includes an outer frame which is fastened to the structure and an inner frame which is connected to the outer frame by a pair of hinges and by a lock assembly. The lock assembly includes a locking rail which is slideably mounted in a vertical member of the inner frame and which slides downward under the influence of gravity to a normally locked position in which portions of the locking rail engage a pair of T bolts which are mounted on the outer frame and which project into the vertical member of the inner frame. The locking rail includes a pivotally mounted pin which must be moved to a vertical position to unlock the inner frame.

REFERENCES:
patent: 4249345 (1981-02-01), Littleton
patent: 4631862 (1986-12-01), Gallardo
patent: 4685316 (1987-08-01), Hicks et al.
patent: 4993187 (1991-02-01), Schweiss et al.
patent: 5018302 (1991-05-01), Kluge
patent: 5036796 (1991-08-01), de May et al.
patent: 5092143 (1992-03-01), Rumbles
patent: 5289655 (1994-03-01), Marmora et al.

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