Emergency escape frame for building apertures

Details Emergency escape frame for building apertures Emergency escape frame for building apertures

1990-07-03

1991-05-07

Kannan, Philip C.

Movable or removable closures

With protective grille or safety guard

Removable

49 51, 49141, 49379, 49395, E06B 368, E05B 6510

Patent

active

050126105

ABSTRACT:
An removable frame assembly for building apertures that can be readily pushed out by a user in an emergency situations. It includes a fixed frame rigidly mounted to the aperture and a second frame removably mounted to the fixed frame. The removable frame rigidly houses the window for the aperture and, optionally, security bars to prevent trespassers from entering through the window. The security bars can be installed inside or outside the building. A relatively remotely located locking mechanism releasably keeps the fixed and removable frames together. A spring member sandwiched between the fixed and removable frame members urge the separation of the two when the locking mechanism releases them.

REFERENCES:
patent: 2787348 (1957-04-01), Goodemote et al.
patent: 3120032 (1964-02-01), Burnette
patent: 4237654 (1980-12-01), Landem et al.
patent: 4263747 (1981-04-01), Coltrin et al.
patent: 4445589 (1984-05-01), Longenecker
patent: 4452010 (1984-06-01), Whittington et al.
patent: 4679365 (1987-07-01), Herring
patent: 4771574 (1988-09-01), Stephens
patent: 4841673 (1989-06-01), Tjomsland

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