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    • 11. 发明授权
    • Actuation device for a control cable for a bicycle gearshift
    • 用于自行车换档控制电缆的驱动装置
    • US07461573B2
    • 2008-12-09
    • US11051908
    • 2005-02-04
    • Giuseppe Dal PràMarco CaiazzoAndrea De Pretto
    • Giuseppe Dal PràMarco CaiazzoAndrea De Pretto
    • F16C1/10
    • B62K23/06B62M25/04F16C1/12Y10T74/20402Y10T74/2042Y10T74/20438
    • The described actuation device comprises a casing, intended for the attachment to the handlebar of the bicycle, a cable-winding bobbin, angularly mobile in the casing about a main axis of the device, a first driving mechanism, acting on the bobbin to rotate it in a first angular direction, a second driving mechanism, acting on the bobbin to rotate it in a second angular direction opposite the first, as well as indexer assembly for removably holding the bobbin in predetermined angular positions. In accordance with the invention, the indexer assembly comprise first countering means, to counter the rotation of the bobbin in the first direction, and second countering means, distinct from the first countering means, to counter the rotation of the bobbin in the second direction. Asymmetric operation is thus obtained which allows active actuation to be set both for upward gearshifting and for downward gearshifting.
    • 所描述的致动装置包括用于附接到自行车把手的壳体,围绕装置的主轴线在壳体中成角度地移动的电缆绕组筒管,作用在筒管上以旋转它的第一驱动机构 在第一角度方向上,作用在筒管上的第二驱动机构在与第一角度方向相反的第二角度方向上旋转,以及分度器组件,用于将线轴可拆卸地保持在预定角度位置。 根据本发明,分度器组件包括第一对抗装置,以抵抗线轴在第一方向上的旋转,以及与第一对抗装置不同的第二对抗装置,以抵抗线轴在第二方向上的旋转。 因此获得了非对称操作,其允许主动致动被设定用于向上换档和向下换档。