The invention belongs to the technical field of bicycles, and particularly relates to a chain-free bicycle for children. The chain-free bicycle comprises a frame formed by a front fork pipe, a cross beam and a saddle pipe, a front fork is mounted on the front fork pipe, a handlebar is mounted at the upper end of the front fork, a saddle is mounted at the upper end of the saddle pipe, a middle shaft sleeve is fixedly mounted at the lower end of the saddle pipe, a middle shaft is arranged in the middle shaft sleeve, and pedals are mounted at the two ends of the middle shaft. A sliding centralizer and a front wheel mounted on the sliding centralizer are mounted at the lower end of the front fork. A sliding centralizing driver is mounted behind the lower portion of the saddle pipe, a rear wheel is mounted on the sliding centralizing driver, an annular gear rack is fixedly mounted on the inner ring of a hub of the rear wheel, a gear engaged with the gear rack is mounted between plates on the two sides of a base in an erected mode, a driven belt wheel is mounted at one end of a gear shaft, and a driving belt wheel and the driven belt wheel are in connection transmission through a belt.


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    Titel :

    Chain-free bicycle for children


    Beteiligte:
    CAO BAOLIN (Autor:in)

    Erscheinungsdatum :

    09.12.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62K Fahrräder , CYCLES / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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