Anti-falling device for vertical lifting door

The utility model provides an anti-falling device for a vertical lifting door, which is symmetrically arranged on two sides of the bottom of a vertically opened and closed door body, and blocking rods are arranged on the left side and the right side of the door body; the anti-falling device comprise...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WANG FUSHEN
Format:	Patent
Sprache:	chi ; 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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