A chain block includes: a main body frame; and a gear cover that is attached to the main body frame to form an internal space sealed off from an outside between the gear cover and the main body frame, and rotatably supports one end side of a reduction gear member, wherein a gear-side frame part is provided with a bottom part and an outer peripheral wall part projecting from an outer peripheral edge portion of the bottom part, and an upper rib having both ends coupled to the outer peripheral wall part is provided at a portion of the gear-side frame on an upper side where an insertion hole and a link shaft are provided and on a side nearer a center of the internal space than is the outer peripheral wall part, and the upper rib is provided adjacent to the insertion hole and the link shaft.


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    Title :

    Chain block


    Contributors:

    Publication date :

    2019-09-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66D Haspeln , CAPSTANS



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