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    BICYCLE FRAME WITH REMOVABLE DOWN TUBE CLIPS
    1.
    发明公开
    BICYCLE FRAME WITH REMOVABLE DOWN TUBE CLIPS 审中-公开
    FAHRRADRAHMEN MIT ABNEHMBAREN UNTERROHRICKLEEMEN

    公开(公告)号：EP2983974A1

    公开(公告)日：2016-02-17

    申请号：EP14770782.2

    申请日：2014-03-18

    申请人： Groendal, Mark L.

    发明人： Groendal, Mark L.

    IPC分类号： B62K3/02

    CPC分类号： B62K19/34 ,  B62K3/02 ,  B62K19/18

    摘要： A bicycle frame having a replaceable flexible down tube assembly, wherein the down tube assembly includes a resilient arcuate down tube member with connectors in the form of releasable mounting clips removably attached to the ends of down tube member. The clips clamp on transverse mounting pins in stems attached to the bicycle frame at the ends of the down tube assembly. The clips are releasable to remove the down tube assembly from the frame for replacement or substitution of a down tube having different performance or appearance characteristics. The clips are removable from the down tube for separate replacement of clips and the down tube.

    摘要翻译： 一种具有可替换的柔性下管组件的自行车车架，其中所述下管组件包括弹性弓形下管件，所述弹性弧管下管件具有可释放地安装在下管件末端的可释放安装夹的形式的连接件。 夹子夹紧在下管组件端部处连接到自行车车架上的杆中的横向安装销上。 夹子是可释放的，以将下管组件从框架移除以更换或替换具有不同性能或外观特征的下管。 夹子可从下管拆下，用于单独更换夹子和下管。

    BICYCLE FRAME
    2.
    发明公开
    BICYCLE FRAME 有权
    自行车车架

    公开(公告)号：EP2445778A1

    公开(公告)日：2012-05-02

    申请号：EP10792801.2

    申请日：2010-06-28

    申请人： Groendal, Mark L.

    发明人： Groendal, Mark L.

    IPC分类号： B62K1/00

    CPC分类号： B62K19/06 ,  B62K3/04 ,  B62K19/24 ,  B62K2025/041

    摘要： In accordance with the present invention, an improved bicycle frame according to one embodiment of this invention has a top tube that allows the wheel base to lengthen by resiliently flexing or pivotally deflecting vertically while resisting torsional flex This feature is combined with a resilient, flexible, arcuate down tube extending between the bottom bracket of the bicycle and the bicycle head tube or the intermediate connection points The down tube has at least one arc and springs back to its original position from forces of tension as well as compression The combination of the two flexing members gives the bicycle a smoother ride and may also enhance the delivery of pedal" power to the rear wheel The down tube is replaceable in order to modify the flex characteristics of the frame and physical characteristics, such as head tube and seat tube angle, wheel base, and bottom bracket height.