The present invention relates to a pulley, installed in a stage device for various stage performances such as play, dancing, and opera to guide movement of a wire rope. More specifically, the pulley is designed to be firmly fixated to the stage device to prevent the pulley installed in an upper portion of a stage from being shaken by vibration to be broken or fall in case of earthquake.

    본 발명은 연극, 무용, 오페라 등 각종 무대 공연을 위한 무대장치에 설치되어 와이어로프의 이동을 안내하는 활차에 관한 것으로, 더욱 상세하게는 지진 발생시 무대의 상부에 설치되는 활차가 진동에 의해 흔들려 파손되거나 추락하는 것을 방지하기 위해 무대장치에 견고하게 고정될 수 있도록 설계된 활차에 관한 것이다.


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    Title :

    pulley having earthquake-proof for stage setting apparatus


    Additional title:

    무대장치용 내진설계 활차


    Contributors:

    Publication date :

    2017-11-10


    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



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