The invention relates to a coupler draw bar device. The coupler draw bar device comprises a draw bar body, an anti-release groove, a connecting base and a stud. The draw bar body is of a columnar hollow ring body structure, the anti-release groove is located in the inner side surface of the draw bar body and is uniformly formed in the inner side surface of the draw bar body in a ring mode, and the stud is connected to the draw bar body through the connecting base. The coupler draw bar device is safe, reliable and low in unit price, can be produced in a batched mode and is insusceptible to brittle failure when bearing dynamic loads.


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    Titel :

    Coupler draw bar device


    Beteiligte:
    WANG JINHE (Autor:in)

    Erscheinungsdatum :

    2016-02-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60D Fahrzeugverbindungen , VEHICLE CONNECTIONS / B23P Sonstige Metallbearbeitung , OTHER WORKING OF METAL



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