Rolling door driving device

Abstract The present disclosure illustrates an extra rolling door driving device includes a chainring, a drive block, and an electric machine assembly. The chainring includes at least two partial chainrings which can be assembled with each other, and an avoidance groove configured to avoid a shaft o...

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Bibliographische Detailangaben
1. Verfasser:	Liu, Curtis
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING KEYS LADDERS LIGHTING LOCKS MECHANICAL ENGINEERING SAFES THERMAL INSULATION IN GENERAL WEAPONS WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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