A pulley assembly 100 comprises first and second plates 10, 12 disposed about a median plane (M figure 4), one or more sheaves 20 disposed between the plates 10, 12 and carried for rotation about a respective sheave axis that is perpendicular to the median plane (M figure 4) and a bollard 50 that extends between the plates to provides an interconnection between the plates and is shaped, whereby its dimension in a direction along a major dimension line (A figure 2) that extends radially from one of the sheave axes, is greater than its dimension in a direction perpendicular to that dimension line. An installation such as a Tyrolean traverse or skyline for moving objects comprises a main line 110 secured to two spaced-apart anchors 106, 108, a trolley or carriage 114 supported by and capable of moving along the main line 110, a control line 126, 128 to draw the trolley 114 along the main line 110 and a pulley assembly 100 connected to an anchor 106, 108 by a line 116 that is passed about the bollard 50, the main line 110 and/or the control line 126, 128 extends over one of the sheaves 20 of the pulley assembly 100.


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    Title :

    Pulley assembly



    Publication date :

    2024-02-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66D Haspeln , CAPSTANS / F16H Getriebe , GEARING



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