A system for automatically switching between a high speed and a low speed state for rotating the drive shaft of a manual hoist.


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    Title :

    Manual Hoist with Automatic Speed Change Device


    Contributors:
    THELEN THOMAS (author) / POPE BRENT (author)

    Publication date :

    2019-11-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66D Haspeln , CAPSTANS



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