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    • 50. 发明公开
    • Bicycle crank shaft assembly
    • Fahrradkurbelwellenanordnung
    • EP2230167A2
    • 2010-09-22
    • EP10250404.0
    • 2010-03-05
    • Cycling Sports Group, Inc.
    • Dodman, Christopher Philip
    • B62M3/00
    • B62M3/003Y10T29/49988Y10T29/49995Y10T74/2164
    • A bicycle crank shaft assembly (100) includes first (125), second (145) and third (150) members. The first member (125) defines first (crank axle), second (first segment of first crank arm) and third (first segment of second crank arm) portions (130,135,140), the first, second and third portions of the first member being integral and continuous with each other and having a generally s-shaped configuration. The second member (145) defines a second segment of the first crank arm (105), and the third member (150) defines a second segment of the second crank arm (110). The first and second segments (135,145) of the first crank arm (105) are bonded to each other with a bond seam (155) therebetween to define the first crank arm (105), and the first and second segments (140,150) of the second crank arm (110) are bonded to each other with a bond seam (160) therebetween to define the second crank arm (110). At least one of the crank axle (115), the first crank arm (105) and the second crank arm (110) is hollow.
    • 自行车曲柄轴组件(100)包括第一(125),第二(145)和第三(150)构件。 第一构件(125)限定第一(曲柄轴),第二(第一曲柄臂的第一段)和第三(第二曲柄臂的第一段)部分(130,135,140),第一构件的第一,第二和第三部分是积分的 并且彼此连续并且具有大致S形的构造。 第二构件(145)限定第一曲柄臂(105)的第二段,并且第三构件(150)限定第二曲柄臂(110)的第二段。 第一曲柄臂(105)的第一和第二段(135,145)通过它们之间的接缝(155)彼此接合以限定第一曲柄臂(105),并且第一和第二节段(140,150) 第二曲柄臂(110)通过其间的接缝(160)彼此接合以限定第二曲柄臂(110)。 曲柄轴(115),第一曲柄臂(105)和第二曲柄臂(110)中的至少一个是中空的。