PROBLEM TO BE SOLVED: To provide a pulley solving the drawback that since a pulley which moves while hung from a rope connecting columns stood successively is caught by a joint between a column and the rope and then disabled to move when crossing the column during its movement, the pulley should re-hung at each time to further move.SOLUTION: At one end of a side face of an axle frame (1) consisting of four sides of a pulley, an opening/closing blade (2) for crossing a column arm (3) as a joint of a rope is provided, and then the pulley moves onto a pulley guide bar (4) mounted on the column arm and crosses the column while flipping up the opening/closing blade to the right and left.SELECTED DRAWING: Figure 1

    【課題】 連立する支柱に繋いだロープに吊って移動する滑車は、その移動中に支柱と交差する際、支柱とロープとの継ぎ目につかまり移動を遮られる。このため、その都度滑車を吊り換えながら移動しなければならない難点があり、これを解消する滑車を提供するものである。【解決手段】 滑車の四辺からなる車軸枠(1)の側面の一端をロープの継ぎ手である支柱アーム(3)を横切るための開閉羽根(2)とし、滑車は、支柱アームに装着した滑車ガイドバー(4)に乗り、開閉羽根を左右にはね上げながら支柱を交差していく。【選択図】図1


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    Title :

    SUSPENSION MOVING PULLEY


    Additional title:

    吊り移動滑車


    Contributors:

    Publication date :

    2016-07-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61B RAILWAY SYSTEMS , Eisenbahnanlagen



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