No-power operation orienting device for trackless electric retractable door

The utility model relates to an electric flexible door, in particular to an electroless running and orientation device for a trackless electric flexible door, which can still move even when power off. The utility model has steady performance, good reliability and a simple structure. The utility mode...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	QICHUN TU
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL ELECTRICITY FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES INDUCTANCES LADDERS MAGNETS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS
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