Flexible or portable closure – partition – or panel – Roll type – With guides or fabric edge holders
Reexamination Certificate
2007-06-19
2007-06-19
Chapman, Jeanette (Department: 3635)
Flexible or portable closure, partition, or panel
Roll type
With guides or fabric edge holders
C160S023100, C160S133000, C160S271000, C160S310000, C160S349100, C160S264000, C160S399000, C052S204100, C052S002250
Reexamination Certificate
active
11090335
ABSTRACT:
A flexible curtain rollup door includes a drum mounted on a door frame and drivenly connected to an electric right angle gear motor unit. The frame includes opposed channel shaped guide tracks for receiving opposed side edges of a door curtain. Spaced apart elastically deflectable combination curtain stiffening struts and windlock members are secured to the curtain and include opposed windlock parts receivable in the guide tracks and configured, respectively, to provide for releasing only one side edge of the curtain from its guide track. A flexible transverse bottom bar includes plural side by side flexible bags filled with particulate material, secured to the curtain bottom edge and enclosed by a flexible envelope member. The curtain bottom edge includes a stiffener formed of interconnected links.
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Ovitor Oy, Temec Door Operators, Operation and Maintenance Instructions, 7 pp., publication date unknown.
Aiken Richard D.
Clark Raymond A.
Lair George
Varley David A.
Chapman Jeanette
Gardere Wynne & Sewell LLP
Overhead Door Corporation
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