A chain block (10) is provided including a load chain (C1) which hangs a load, and a load sheave member (20) which is rotatably supported between a first frame (11) and a second frame (12), around which the load chain (C1) is wound, and which has a chain pocket (23b) in which the load chain (C1) goes, the load chain (C1) is made of a steel material having the Rockwell hardness C scale (HRC) of 47 to 51, and the load sheave member (20) is made of a steel material in which at least the chain pocket (23b) has the Rockwell hardness C scale (HRC) of 40 to 45.


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    Title :

    CHAIN BLOCK AND LOAD CHAIN


    Additional title:

    KETTENFLASCHENZUG UND LASTKETTE
    MOUFLE À CHAÎNE ET CHAÎNE DE CHARGE


    Contributors:

    Publication date :

    2015-10-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66D Haspeln , CAPSTANS / F16G Riemen, Kabel oder Seile, vorwiegend für Antriebszwecke , BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES



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