The present invention provides a roller comprising a support frame (1), the support frame comprising a vertical support wall, mounting positions being symmetrically arranged on two sides of the vertical support wall, and two single wheels (2) being symmetrically arranged on the mounting positions on the two sides of the support wall. An inner surface of the single wheel is provided with an annular mounting groove, an annular outer ring cover (11) is arranged on the mounting positions on the two sides of the support frame (1), the outer ring cover (11) is inserted into the annular mounting groove, and a gap is provided between a side wall of the outer ring cover and a side wall of the annular mounting groove. With the structure of the insert connection between the outer ring cover and the single wheels, the present application completely prevents the connecting shaft from being entangled with hairs or debris so as to ensure the cleanliness and high-speed rotation of the roller.


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    Titel :

    ROLLER


    Weitere Titelangaben:

    ROLLE
    ROULETTE


    Beteiligte:
    XIANGJIE LIU (Autor:in)

    Erscheinungsdatum :

    06.07.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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