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.


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    Title :

    Rotunda height adjustment device for boarding bridge


    Contributors:
    KIM DONG SOO (author) / YANG KWANG HO (author) / CHO YON SANG (author)

    Publication date :

    2020-06-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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



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