맨홀뚜껑 개폐장치에 대한 발명이 개시된다. 개시된 맨홀뚜껑 개폐장치는: 형상이 가변되도록 구비되며, 이동 가능한 지지부와, 지지부에 결합되고, 선택적으로 승강되게 작동되는 승강부와, 승강부에 결합되고, 맨홀뚜껑의 복수 지점과 체결되어 상기 맨홀뚜껑의 복수지점을 지지하는 인상부를 포함하는 것을 특징으로 한다.


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    Title :

    OPENING AND CLOSING APPARATUS FOR MANHOLE COVER


    Additional title:

    맨홀뚜껑 개폐장치


    Contributors:
    JUNG HAN JU (author) / PARK SE YOUNG (author) / PARK KI OK (author)

    Publication date :

    2024-01-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / E02D FOUNDATIONS , Gründungen



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