A height adjusting device for a bicycle seat post provides an up-down adjust unit. All the oil-flow control elements of the height adjusting device are arranged inside the up-down adjust unit. The oil flows between the valve port and the oil-block plate are blocked by both the oil-block plate and the valve port touching tightly in an up-down engaging manner. By the structure, what repairing the oil-flow control elements needs is to replace the up-down adjust unit when the oil-flow control elements are out of work. Therefore, it is convenient to repair and assemble. The valve port and the oil-block plate are arranged up and down so that they may touch each other closely in surfaces engaging. Thus, it provides good oil-blocking effects. Besides, the oil-block plate receives no shear stress occurring in the prior art generated from suddenly pressing down the seat. Therefore, it has a long service life.


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    Titel :

    Height adjusting device for a bicycle seat post


    Beteiligte:
    TSAI BLACK (Autor:in)

    Erscheinungsdatum :

    2018-01-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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