The invention discloses a spare wheel device for a bicycle and a tricycle. The spare wheel device comprises a spare front drive wheel, a spare rear drive wheel, a wheel rod, a triangular lifting mechanism and a reduction gear lever. The spare rear drive wheel is installed behind the spare front drive wheel through the wheel rod. The triangular lifting mechanism comprises main spare wheel ejector rods, push rods, rotating threaded rods, sliding rods and propellers. Front retaining devices are arranged on the upper portion of the main spare wheel ejector rods. The sliding rods are installed behind the front retaining devices. The rotating threaded rods are installed behind the sliding rods. The upper ends of the push rods are connected to the rotating threaded rods through the propellers. The rear sides of the rotating threaded rods are connected with rear retaining devices. The spare wheel device is simple in structure, firm, reliable and convenient to operate, even if the inner pressure of a tire of a bicycle or an electric bicycle or a motorcycle is insufficient or the tire blows out or a bearing is damaged, the bicycle, the electric bicycle and the motorcycle can continue to run, the service life of the tire and the service life of an axle are prolonged, and the use effect is good.


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    Titel :

    Spare wheel device for bicycle and tricycle


    Beteiligte:
    DAI XIAOZHI (Autor:in)

    Erscheinungsdatum :

    22.07.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen



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