A backstop to prevent contact between a spacer and a peripheral member includes a rear jib backstop for a crane, having an outer cylinder, an inner cylinder, a spacer, a spacer holder and a lock mechanism. The spacer holder supports the spacer pivotally and swingably about an axis thereof and allows the spacer to fit on the inner cylinder, to keep the rear jib backstop from contracting in accordance with a change in a posture of the rear jib backstop when a boom rises. The lock mechanism enables locking of the spacer in such a manner as to keep the spacer from swinging about a swing central axis in a state where the spacer is located away from an outer surface of the inner cylinder.


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    Titel :

    BACKSTOP


    Beteiligte:
    NAKATSUKA KENICHI (Autor:in) / SUMIMOTO KOJI (Autor:in) / MIYA EIJI (Autor:in) / MAEDO TEPPEI (Autor:in)

    Erscheinungsdatum :

    15.08.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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