The invention relates to a portable folding bicycle and a folding method thereof. The portable folding bicycle comprises a front wheel assembly, a front fork assembly, a cross handle assembly, a cross beam assembly, a back wheel assembly, a back wheel support assembly, a saddle assembly, a driving and transmitting assembly and a brake assembly; the front fork assembly is arranged on the front wheel assembly, the back wheel support assembly is arranged on the back wheel assembly, and the cross beam assembly, the cross handle assembly arranged on the front fork assembly and the saddle assembly arranged on the back wheel support assembly are arranged between the front fork assembly and the back wheel support assembly. The portable folding bicycle and the folding method thereof have the advantages that a plurality of X-shaped contract mechanisms are arranged, a front wheel is partially overlapped with a back wheel, the cross beam assembly is partially overlapped with the wheels, ultra-thin folding pedals are arranged, and therefore the folded bicycle is small in size and weight and easy to carry; a front fork vertical pipe is arranged at the edge of the front wheel, the effective wheel base is increased after the bicycle is unfolded, and therefore riding is safer.


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    Title :

    Portable folding bicycle and folding method thereof


    Contributors:
    SHU XIUSHAN (author)

    Publication date :

    2015-11-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62K Fahrräder , CYCLES



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