A multi-functional lifting device, comprising a lifting device body; a power source; an electromagnetic DC motor; a decelerator connected to the DC motor; a main moving wheel positioned on an output axle of the decelerator; a rope element twined into the main moving wheel; a resilient wheel brake unit on one side of the main moving wheel locking the rope element into position; an intermediate wheel having a rope groove complementary to the rope groove of the main moving wheel; and a speed control module and a PCB board connected to the DC motor. The multi-functional lifting device is capable of providing controllable upward and downward movement when the power to the DC motor is connected or disconnected to the power source.


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    Title :

    Multi-functional lifting device


    Contributors:
    NIE QUAN (author) / HU YOUTAO (author) / GE YONG (author)

    Publication date :

    2015-12-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    A62B DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING , Vorrichtungen, Geräte oder Verfahren zur Lebensrettung / B66D Haspeln , CAPSTANS



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