Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Roll type
Patent
1995-10-03
1997-08-19
Purol, David M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Roll type
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.
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patent: 5419386 (1995-05-01), Magro et al.
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