Door and window construction and mounting assembly for improved

Details Door and window construction and mounting assembly for improved Door and window construction and mounting assembly for improved

1994-07-18

1996-01-09

Kannan, Philip C.

Movable or removable closures

Mounted for optional movements

One closure movable separately from or with other closure

49 64, 49 821, E06B 728

Patent

active

054818290

ABSTRACT:
A closure construction and mounting assembly comprising: a steel frame in a rectangular configuration having horizontal parallel upper and lower extents and vertical parallel interior and exterior side extents with a central aperture extending therethrough; a panel positioned within the central aperture, the panel having a gridwork of horizontally disposed steel members and vertically disposed steel members in a gridlock configuration to form rectangular apertures extending therethrough, with the spacing between the apertures sized such as to preclude the passage of a person therethrough; coverings secured to the panel peripherally and in contact with the steel members to cover the apertures; and adjustment mechanisms for moving the panel between a locked and unlocked orientation.

REFERENCES:
patent: 2955815 (1960-10-01), Muhr
patent: 3110937 (1963-11-01), Naslund
patent: 4912877 (1990-04-01), Strydom
patent: 4967509 (1990-11-01), Storey et al.
patent: 5267413 (1993-12-01), Hubert et al.

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