The present invention provides a structure capable of automatically adjusting a relative position between a hook device and a center of gravity of a cargo in the hook device including a plurality of locking portions. A hook device includes a central shaft (32) which extends in a first direction, and a first locking portion (34c) and a second locking portion (35c) which are disposed such that the central shaft (32) is interposed therebetween, in a second direction orthogonal to the first direction. The first locking portion (34c) and the second locking portion (35c) are connected to the central shaft in a state where the first locking portion (34c) and the second locking portion (35c) are not rotatable independently around an axis extending in the first direction and are rotatable around an axis extending in a third direction different from the first direction and the second direction.


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    Titel :

    HOOK DEVICE AND CRANE


    Weitere Titelangaben:

    HAKENVORRICHTUNG UND KRAN
    DISPOSITIF DE CROCHET ET GRUE


    Beteiligte:
    HANAHARA AKIRA (Autor:in)

    Erscheinungsdatum :

    05.02.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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