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    • 68. 发明授权
    • Continuously variable automatic drive
    • 连续可变自动变速箱
    • US5772546A
    • 1998-06-30
    • US713418
    • 1996-09-13
    • Jaroslaw Piotr Warszewski
    • Jaroslaw Piotr Warszewski
    • B62M9/08F16H61/00
    • B62M9/08
    • A continuously variable automatic drive has a front driving sprocket and a rear driven sprocket. Each of these sprockets has a housing and a plurality of involute-shaped toothed segments, each having a leading end and a trailing free end. The toothed segments are symmetrically spaced around their housings and pivotally attached to their housings about their leading ends. Each toothed segment is movable between a first position where the trailing free end is pivoted inwardly closest to the housing and the effective diameter of the sprocket is smallest and a second position where the trailing free end is pivoted outwardly farthest from the housing and the effective diameter of the sprocket is largest. The highest gear ratio is produced when the front driving sprocket is at the second position and the rear driven sprocket at the first position. The lowest gear ratio is produced when the front driving sprocket is at the first position and the rear driven sprocket is at the second position. The springs are biased so that the gearing defaults to the highest gear ratio, at the relaxed, neutral position, where no force is applied to the driving sprocket.
    • 无级变速自动变速器具有前驱动链轮和后从动链轮。 这些链轮中的每一个具有壳体和多个渐开线形的齿形段,每个具有前端和后端自由端。 齿形部分围绕它们的壳体对称地间隔开并围绕它们的前端枢转地附接到它们的壳体。 每个齿形段可在第一位置和第二位置之间移动,在第一位置,后端自由端向内最靠近壳体枢转,并且链轮的有效直径最小,而第二位置,其中后自由端向外远离壳体枢转,有效直径 的链轮是最大的。 当前驱动链轮处于第二位置且后从动链轮处于第一位置时,产生最高的传动比。 当前驱动链轮处于第一位置且后从动链轮处于第二位置时,产生最低的传动比。 弹簧被偏置,使得在松弛的中立位置,传动装置默认为最高的传动比,其中没有力施加到驱动链轮。
    • 69. 发明授权
    • Multi-speed transmission for bicycles
    • 自行车多速传动
    • US5476422A
    • 1995-12-19
    • US301863
    • 1994-09-06
    • Robert J. Schendel
    • Robert J. Schendel
    • B62M9/08F16H55/54F16H55/30
    • B62M9/08F16H55/54
    • The present invention is directed to an improved variable sprocket transmission of a type that is particularly well-suited for use in multi-speed bicycles. More particularly, a variable sprocket transmission for a multi-speed bicycle is provided which can be smoothly and easily shifted without noise, is reliable, and can be easily used by both experienced and novice bicyclists. The variable sprocket transmission of the present invention can be manually shifted through a sequentially ordered set of distinct speed ratios using a single shift lever or, in the alternative, can be automatically shifted without input from the bicycle rider based on measured operating parameters.
    • 本发明涉及一种特别适合用于多速自行车的类型的改进的可变链轮传动装置。 更具体地,提供了一种用于多速自行车的可变链轮传动装置,其可以平滑且容易地移动而没有噪音,是可靠的,并且可以容易地由有经验的和新手的骑自行车者使用。 本发明的可变链轮传动装置可以使用单个变速杆手动移动顺序排列的不同速度的组合,或者可以根据测量的操作参数自动地从自行车骑行人员输入。
    • 70. 发明授权
    • Steplessly variable belt drive for bicycle
    • 无级变速皮带传动自行车
    • US5407395A
    • 1995-04-18
    • US250003
    • 1994-05-27
    • Hubert Kramer
    • Hubert Kramer
    • B62M9/08F16H9/10F16H9/24F16H55/54F16H55/00
    • B62M9/08F16H9/10
    • A steplessly variable-ratio drive has a drive wheel having a hub rotatable about a drive axis, adapted to be normally rotated in a forward direction about the axis, and having at least three angularly equispaced pivots radially equispaced from the axis. Respective segments each have an inner end pivoted at the respective pivot on the hub, an outer end radially offset from the respective pivot, and a radially outwardly convex curved outer surface. Respective springs braced generally radially between the outer ends of the segments and the inner ends of the adjacent segments urge the outer ends radially outward. A driven wheel has a hub rotatable about a driven axis substantially parallel to the drive axis, adapted to be normally rotated in the forward direction about the driven axis, and having a plurality of angularly equispaced pivots radially equispaced from the driven-wheel axis. Respective segments each have an inner end pivoted at the respective pivot on the driven-wheel hub, an outer end radially offset from the respective pivot, and a radially outwardly convex curved outer surface. A belt is spanned over and interconnects the wheels.
    • 无级可变比驱动器具有驱动轮,所述驱动轮具有围绕驱动轴线可旋转的轮毂,适于沿着所述轴线向前的方向正常旋转,并且具有至少三个从所述轴线径向等距的角度等距的枢轴。 相应的片段各自具有在轮毂上的相应枢轴处枢转的内端,径向偏离相应枢轴的外端和径向向外凸出的弯曲外表面。 相应的弹簧通常径向地支撑在节段的外端之间,并且相邻节段的内端部将外端径向向外推动。 从动轮具有可围绕基本上平行于驱动轴线的从动轴线旋转的轮毂,其适于沿着从动轴线向前的方向正常旋转,并且具有与从动轮轴线径向等距的多个角度等间距的枢轴。 各段各自具有在从动轮毂上的相应枢轴处枢转的内端,从相应枢轴径向偏移的外端和径向向外凸出的弯曲外表面。 皮带跨越并互连车轮。