Electric stair climbing aid

An electric stair climbing aid comprises an active slide rail disposed at one side of the stairs and a corresponding slide rail disposed at the other side of the stairs. In the active slide rail is provided a screw which is controlled by an electric driving device. On the screw is provided a movable...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG, JIIN-HWA, WENG, HUI-LI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELEVATORS ESCALATORS OR MOVING WALKWAYS HAULING HOISTING LIFTING PERFORMING OPERATIONS TRANSPORTING
Online-Zugang:	Volltext bestellen
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