Overhead Roll-Up Door Having At Least Two Motors

An overhead roll-up door assembly for a vertically moving door to permit and prohibit access to an opening, the door assembly having a flexible door panel, a shaft capable of rotating to vertically move the flexible door panel, and at least two motors configured to rotate the shaft.

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Bibliographische Detailangaben
Hauptverfasser:	DRIFKA BRIAN NORBERT, GONTARSKI CHRISTOPHER
Format:	Patent
Sprache:	eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES LADDERS
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Beschreibung
Zusammenfassung:	An overhead roll-up door assembly for a vertically moving door to permit and prohibit access to an opening, the door assembly having a flexible door panel, a shaft capable of rotating to vertically move the flexible door panel, and at least two motors configured to rotate the shaft.