A self-contained hoist device, rail device and hoist system for hoisting building materials, comprising a housing; and lifting beam extending from the housing; wherein a hoist motor for driving a winch provided with a hoisting wire and a battery pack for powering the hoist motor are arranged inside the housing, and a distal end of the hoisting wire is adapted to be attached to a fixing point above the self-contained hoist device, whereby operation of the hoist motor may cause the housing and lifting beam to be raised and lowered, respectively.


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    Title :

    SELF-CONTAINED HOIST DEVICE, RAIL DEVICE AND HOIST SYSTEM


    Contributors:

    Publication date :

    2019-05-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES / B66D Haspeln , CAPSTANS



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