The present invention relates to a pulley for stage equipment, and the pulley for stage equipment of the present invention includes a pair of brackets fixed to a base, multiple pairs of bearings arranged to be spaced apart from each other in a circumferential direction while each having a shaft coupled to an inner ring and fixed between the pair of brackets, and a roller rotating in contact with outer rings of the multiple pairs of bearings, wherein the roller has an inner metal ring in contact with the outer rings and an outer plastic ring coupled to surround the outside of the inner metal ring on a circle concentric with the inner metal ring and having a guide groove formed into a circumferential groove at the outermost side on a circle concentric with the inner metal ring to guide a wire rope. According to the present invention, the life span of the pulley can be increased through strong and stable structures of the bearings and the roller in contact with the bearings.

    본 발명은 무대 설비용 활차에 관한 것으로서, 본 발명의 무대 설비용 활차는, 베이스에 고정된 한쌍의 브라켓, 상기 한쌍의 브라켓 사이에 각각의 내측 링에 결합된 각각의 축이 고정되며 원주 방향으로 이격되어 배치된 복수의 베어링 쌍, 및 상기 복수의 베어링 쌍의 외측 링들에 접촉하여 회전하는 롤러를 포함하고, 상기 롤러는, 상기 외측 링들에 접촉하는 내측 금속링, 및 상기 내측 금속링과 동심원 상에서 상기 내측 금속링의 외측을 감싸도록 결합되며, 최외곽에 상기 내측 금속링과 동심원 상의 원주 홈으로 이루어져 와이어로프를 안내하는 안내홈을 갖는다.


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    Titel :

    Pulley for Stage Equipment


    Weitere Titelangaben:

    무대 설비용 활차


    Beteiligte:
    CHI MU KWANG (Autor:in) / LEE KWANG HYUN (Autor:in) / KIM HAK KYU (Autor:in)

    Erscheinungsdatum :

    17.03.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    A63J DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE , Einrichtungen für Theater, Zirkusse oder dgl. / B66D Haspeln , CAPSTANS



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