A gear-type watertight opening and closing device is disclosed. According to an aspect of the present invention, the gear-type watertight opening and closing device comprises: a water blocking plate through which a drainage hole is formed to penetrate; an opening and closing unit coupled to the water blocking plate to cover the drainage hole of the water blocking plate; and a drive unit providing a rotating force to the opening and closing unit for the drainage hole to be opened and closed by the opening and closing unit.

    기어형 수밀 개폐 장치가 개시된다. 본 발명의 일 측면에 따른 기어형 수밀 개폐 장치는, 배수구멍이 관통 형성되는 차수판, 차수판의 배수구멍을 커버하도록 차수판에 결합되는 개폐부, 및 개폐부가 배수구멍을 개폐하도록 개폐부에 회전력을 제공하는 구동부를 포함한다.


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    Title :

    GEAR-TYPE WATERTIGHT OPENING AND CLOSING DEVICE


    Additional title:

    기어형 수밀 개폐 장치


    Contributors:

    Publication date :

    2018-01-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen / F16H Getriebe , GEARING / F16J Kolben , PISTONS



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