A lightweight camera crane (20) has an outer arm (56) pivotally attached to a base (24) . A trim weight tray (36) is rigidly attached to a back end of the outer arm. A moving counterweight carriage (34) is supported on carriage rollers (46, 48) on top of the outer arm. An inner arm (58) is supported on arm rollers within the outer arm. A camera platform (50, 52) is pivotally attached to a front end of the inner arm for tilt axis movement. An electric extension motor (102) drives telescoping extension and retraction movement of the inner arm via chains, belts or cables (106, 110) connected to the counterweight carriage and the inner arm.


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    Title :

    TELESCOPING ELECTRIC CRANE


    Additional title:

    ELEKTRISCHER TELESKOPISCHER KRAN
    GRUE ÉLECTRIQUE TÉLESCOPIQUE


    Contributors:

    Publication date :

    2018-02-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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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