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.


    Access

    Download


    Export, share and cite



    Title :

    Pulley for Stage Equipment


    Additional title:

    무대 설비용 활차


    Contributors:
    CHI MU KWANG (author) / LEE KWANG HYUN (author) / KIM HAK KYU (author)

    Publication date :

    2022-03-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

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



    stage equipment with slope return pulley

    KIM SAE HYUN | European Patent Office | 2020

    Free access

    PULLEY FOR STAGE

    European Patent Office | 2021

    Free access

    Pulley for guiding batten wires in stage equipment

    JUNG YANG PIL | European Patent Office | 2018

    Free access

    PULLEY FOR MOVING STAGE EQUIPMENT INSTALLED ON STAGE EQUIPMENT IN PERFORMANCE HALL

    YOON EUI JUNG | European Patent Office | 2022

    Free access

    Safety pulley apparatus for stage

    European Patent Office | 2022

    Free access