Wind-resistant overhead closure

Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Roll type

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Details

160 41, 1602901, E06B 908

Patent

active

056578059

ABSTRACT:
A wind-resistant overhead door includes substantially vertical windbars mounted on the side portions of the frame, and windlocks or endlocks on the lateral edge portions of the intermediate and bottommost of endmost slats of the closure, such as a rolling door. By providing a predetermined clearance between the windbars and windlocks by substantially eliminating such clearance with respect to the lowermost or endmost slat or bar, maximum flexing of the slats in response to wind loads and positive and negative pressures acting on the closures can be substantially eliminated to thereby control and substantially eliminate undesired deflections or gaps about the periphery of the closure. This minimizes the exposure to which glass elements behind the closures are exposes to wind loads, and pressures which can damage the same.

REFERENCES:
patent: 1918415 (1933-07-01), Miller
patent: 2839135 (1958-06-01), Anderson
patent: 3076499 (1963-02-01), Zoll et al.
patent: 3489200 (1970-01-01), Recchione
patent: 3732913 (1973-05-01), Wrono
patent: 3734161 (1973-05-01), Pierce
patent: 4234033 (1980-11-01), Leivenzon et al.
patent: 4601320 (1986-07-01), Taylor
patent: 4630664 (1986-12-01), Magro
patent: 5275223 (1994-01-01), Magro et al.
patent: 5419386 (1995-05-01), Magro et al.

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