According to the present invention, disclosed is an oilless roller device capable of being used underwater. The disclosed oilless roller device capable of being used underwater comprises: a shaft coupled to a cart; a rotating member into which the shaft is inserted to be rotationally coupled to the shaft; a rotating guide unit provided between the shaft and the rotating member to rotate the rotating member; and a foreign substance blocking unit coupled to the rotating member to prevent a foreign substance from penetrating through the rotating guide unit.

    본 발명은 수중 사용이 가능한 무급유 롤러장치를 개시한다. 개시된 수중 사용이 가능한 무급유 롤러장치는 대차에 결합되는 샤프트와, 샤프트와 회전가능하게 결합되도록 샤프트가 삽입되는 회전부재와, 회전부재의 회전을 위하여 샤프트와 회전부재 사이에 구비되는 회전가이드부와, 회전가이드부로 이물질이 침투하는 것을 방지하도록 상기 회전부재에 결합되는 이물질차단부를 구비하는 것을 특징으로 한다.


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    Title :

    OILLESS ROLLER DEVICE FOR UNDERWTER USE


    Additional title:

    수중 사용이 가능한 무급유 롤러장치


    Contributors:

    Publication date :

    2017-04-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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