Height adjustment device for rotunda of boarding bridge

A height adjustment device for a rotunda can comprise: an outer column which fixes a rotunda and ascends and descends; an inner column which is connected to the outer column; a vertical screw which is placed on the lower end of the rotunda; a nut which is interlocked in correspondence to the outside...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Do Gi Young, Kim Dong Soo, Kim Hyung Sik, Yang Kwang Ho, Cho Yon Sang, Cho Seung Sang
Format:	Patent
Sprache:	eng
Schlagworte:	AIRCRAFT ASSEMBLY OF BRIDGES AVIATION CONSTRUCTION OF BRIDGES CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES COSMONAUTICS DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING ORREPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR FIXED CONSTRUCTIONS GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLYADAPTED FOR USE IN CONNECTION WITH AIRCRAFT HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFTCOMPONENTS, NOT OTHERWISE PROVIDED FOR OR VIADUCTS PERFORMING OPERATIONS TRANSPORTING
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