Flexible or portable closure – partition – or panel – Roll type – With guides or fabric edge holders
Patent
1993-05-13
1995-01-17
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Roll type
With guides or fabric edge holders
160133, 160321, E06B 956
Patent
active
053818466
ABSTRACT:
The invention relates to closures for doorways or other similar access openings and more specifically to side coiling doors in which the closure curtain forming the door is a flexible, fabric like material that is wrapped onto or coiled onto and unwrapped from or uncoiled from a vertically disposed, rotatably supported, relatively short barrel with only the upper edge portion of the door being engaged by and supported by the barrel. The upper edge of the flexible curtain forming the door is maintained on the barrel by the use of a unique spring tensioning assembly engaged with the barrel and an interlocking tracking member between the barrel and convolutions of the flexible curtain. The upper edge of the flexible curtain forming the door is supported, guided and moved along the upper edge of the opening by a track and cable system that is associated with the door opening and vertical barrel to enable effective opening and closing movement of the side coiling doors.
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