A block and tackle device 10 comprising an upper block 12 and a lower block 14 with a tension member 16 extending therebetween, and at least one set of at least two spaced apart rotatable members 23a, 32b, 48a, 48b on one of the 5 blocks, wherein the tension member passes around the at least one set of at least two rotatable members, and wherein the tension member passes directly between adjacent members of the at least one set of at least two rotatable members. Figure L OxO u -u


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    Title :

    A block and tackle assembly


    Contributors:

    Publication date :

    2016-06-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66D Haspeln , CAPSTANS



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