A boom assembly (16, fig 1) includes a pulley 22 rotatably mounted on a pivot pin 26, the pivot pin having a first end 30A with a first outer surface 32A and a second end 30B with a second outer surface 32B, a pulley frame 40 having a first part 45A for receiving the first outer surface 32A, a second part 45B for receiving the second outer surface 32B, a first hole 41A for receiving a first adjustment rod 62A and a second hole 41B for receiving a second adjustment rod 62B, the boom including a first receiving portion 54A for receiving the first adjustment rod 62A and a second receiving portion 54B for receiving the second adjustment rod 62B, the boom assembly being configured such that adjustment of the first and second adjustment rods 62A & 62B causes movement of the pulley 22 in the longitudinal direction A.


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    Title :

    Pulley assembly


    Contributors:

    Publication date :

    2018-03-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16H Getriebe , GEARING / B66C Krane , CRANES / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



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