Window guard having boxed release

Details Window guard having boxed release Window guard having boxed release

1978-10-16

1980-06-24

Kannan, Philip C.

Movable or removable closures

With protective grille or safety guard

Moves relative to primary closure

49 67, 49141, 49379, 49394, 292216, 292229, 292DIG37, E06B 902, E05C 328

Patent

active

042088372

ABSTRACT:
Guard apparatus for a window or the like in a building characterized by a guard element that is hingedly mounted to a wall adjacent the window and adapted to prevent entry into the window from the exterior and having a releasable fastener that is releasable interiorly of the building without tools to allow emergency egress through the window but resists force exteriorly of the building. The releasable fastener has a lock housing that is inaccessible from outside the building when the lock bar on the guard element is inserted into its normal latched position. Also disclosed are specific structural details and preferred embodiments of the releasable fastener.

REFERENCES:
patent: 1185422 (1916-05-01), Mammelli
patent: 2086034 (1937-07-01), Jacobi
patent: 2680639 (1954-06-01), Vigmostad
patent: 2705884 (1955-04-01), Craig
patent: 3040555 (1962-06-01), Wartian
patent: 3451702 (1969-06-01), Little
patent: 3690132 (1972-09-01), Engstrom
patent: 3921334 (1975-11-01), Black, Sr.
patent: 4055360 (1977-10-01), Russi
patent: 4057935 (1977-11-01), Rohrberg et al.
patent: 4070048 (1978-01-01), Young

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