LIFTING STAIRCASE ASSEMBLY

A lifting staircase assembly is operable between a first level and a second higher level. The assembly includes a staircase frame which extends longitudinally between a first platform at a first end and a second platform at a second end. The staircase frame is pivotally supported at a central locati...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HANDFORD, A. GORDON, JANZEN, ERNST C, LELAND, DANNY, BORISOFF, JAIMIE F
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BUILDING ELEVATORS ESCALATORS OR MOVING WALKWAYS FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS FIXED CONSTRUCTIONS HAULING HOISTING LIFTING PERFORMING OPERATIONS TRANSPORTING
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