A bicycle seat cushion lifting and adjusting device is disposed on an outer side of a piston rod inside a hydraulic cylinder and sheathed with an elastic member. The elastic member is compressed by an oil inside the cylinder into a compress status in a room temperature environment. In a low temperature environment, the volume of the oil is decreased, and the elastic member resumes its original status to fill up the space of the cylinder caused by the decreased volume of the oil, to maintain a stable oil pressure inside the cylinder. When the seat cushion lifting and adjusting device is used in a low temperature or room temperature environment, the height of the seat cushion can be adjusted successfully to maintain a stable use of the bicycle seat cushion lifting and adjusting device.


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    Title :

    Bicycle Seat Cushion Lifting and Adjusting Device


    Contributors:
    TSAI BLACK (author)

    Publication date :

    2018-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS / B62K Fahrräder , CYCLES



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