A height adjustment device for adjusting a rotunda of a boarding bridge includes an external column fixed to the ground and having an inner space formed therein; an internal column which fixes a rotunda, and which is coupled so as to be slidable in the inner space such that rising and lowering is enabled; a driving unit which makes the internal column move vertically with respect to external column, and is disposed between the to the outside of the external column and the internal column; and a power unit for controlling the driving unit. The rotunda height adjustment device can be inspected, repaired for a defect thereof, and easily replaced.
Rotunda height adjustment device for boarding bridge
2020-06-30
Patent
Electronic Resource
English
IPC: | B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen |