The present invention provides an insertion-type cross-shaped bit which allows insertion and protrusion installation with the manpower by workers without a separate drive device while having a simple structure when installed on a deck. The insertion-type cross-shaped bit installed on a deck of a marine floating structure comprises: a bit accommodation part arranged to stand on the deck, and buried and arranged into the deck; a lifting bit arranged on the bit accommodation part to be lifted in a vertical direction, and having a column shape with a stopping stopper protrusion on the outside thereof; and a stopping protrusion cover part installed on the upper side of the bit accommodation part, and maintaining the lifting bit in a state of protruding out of the bit accommodation part by stopping the stopping stopper protrusion in a mounted state when the lifting bit is lifted and arranged to protrude out of the bit accommodation part.

    본 발명은, 해상 부유구조물의 데크 상에 설치되는 인입식 십자형 비트에 있어서, 데크에 직립되게 배치되되, 데크 내측으로 매립 배치되는 비트 수용부, 비트 수용부 상에 상하방향으로 승강 가능하게 배치되며, 외측면에 걸림스토퍼돌기가 마련된 기둥 형태의 승강 비트, 비트 수용부의 상측에 설치되며, 승강 비트가 비트 수용부 외측으로 돌출되도록 상승 배치시 걸림스토퍼돌기가 안착상태로 걸림되게 하여 승강 비트가 비트 수용부의 외측으로 돌출된 상태로 유지시키는 걸림돌출덮개부를 포함하는 인입식 십자형 비트를 제공한다.


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    Title :

    Retractable cross bitt


    Additional title:

    인입식 십자형 비트


    Contributors:

    Publication date :

    2023-12-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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