A double jib stewing pedestal crane includes a main jib, a secondary jib, and a secondary jib positioning device to support and position the secondary jib with respect to the main jib and actuate the pivotal movement of the secondary jib. The secondary jib positioning device includes a secondary jib positioning cable, a spoke structure fixed to the secondary jib and extending radially outward, and a tension chain connected at one end to the secondary jib positioning cable and at the other end to the secondary jib and/or to the spoke structure. The spoke structure is adapted to support the tension chain.


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    Titel :

    Double jib slewing pedestal crane


    Beteiligte:

    Erscheinungsdatum :

    2019-12-10


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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