The invention is a lifting arm mechanism (100) which is mounted onto a crane main body (101) in order to allow a counterweight to be moved, wherein; it comprises, a main arm (102) which is in connection with said crane main body and the support arm (103) for transmission of motion, the support arm which is connected to the main arm on one end and allows positioning the counterweight (106) on the other hand, and transmits the motion, and drive members (104) which are connected to said main arm and said support arm in order to transmit the required drive to the main arm and the support arm.


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    Title :

    A COUNTERWEIGHT LIFTING ARM MECHANISM FOR KNUCKLE BOOM CRANES


    Additional title:

    EIN GETRIEBEHUBARMEMECHANISMUS FÜR AUSLEGERKRÄNE
    MÉCANISME DE BRAS DE LEVAGE DE CONTREPOIDS POUR GRUES À FLÈCHE ARTICULÉE


    Contributors:

    Publication date :

    2021-12-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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