A bottom block assembly (18) includes a bottom block (64) defining a cavity (67) and at least one opening (65) passing through a portion of the bottom block. The assembly further includes a plurality of sheaves (68) disposed at least partially within the cavity, each sheave having a central opening (86). The assembly further includes a sheave pin (72) passing through the at least one opening in the bottom block and the central openings in the sheaves to rotatably couple the plurality of sheaves to the bottom block. The assembly further includes a plurality of captivating frame assemblies (70) to be coupled to the plurality of sheaves, each of the plurality of captivating frame assemblies including a housing (76) and a plurality of rollers (80a-80g) rotatably mounted to the housing. Each captivating frame assembly is associated with a corresponding one of the sheaves. The assembly further includes a plurality of wires (62) for coupling the plurality of captivating frame assemblies to the plurality of sheaves. Each wire is reeved around one of the sheaves and reeved through the corresponding captivating frame assembly.


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    Title :

    BOTTOM BLOCK ASSEMBLY


    Additional title:

    BODENBLOCKANORDNUNG
    ENSEMBLE BLOC DE FOND


    Contributors:

    Publication date :

    2023-11-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES / B66D Haspeln , CAPSTANS



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