OVERHEAD ROLL-UP DOOR HAVING AT LEAST TWO MOTORS

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 ; fre ; ger
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.