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    • 3. 发明授权
    • Two-step brake system of bicycle
    • 自行车两步制动系统
    • US5788019A
    • 1998-08-04
    • US834742
    • 1997-04-03
    • Mike LeeThomas Lone
    • Mike LeeThomas Lone
    • B62L1/14B62L1/00B62L3/00
    • B62L1/14
    • A bicycle two-step brake system is composed of two brake arms having a primary arm and a secondary arm fastened pivotally with the primary arm. The primary arm is fastened with the bicycle frame while the secondary arm is fastened with a brake cable of the brake lever. The primary arms are provided with a first drag portion and a brake shoe capable of being forced against the bicycle wheel rim so as to slow or stop the bicycle in motion. The secondary arms are provided with a second drag portion. Two elastic members are located between the primary arms and the secondary arms such that the elastic members enable the first drag portions and the second drag portions to have an outward bracing force capable of cooperating with a pulling force of the brake cable to cause the primary arms and the secondary arms to act independently or synchronously to bring about the two-step braking mechanism.
    • 自行车两步制动系统由具有主臂和与主臂枢轴连接的副臂的两个制动臂构成。 主臂用自行车架固定,而辅助臂用制动杆的制动电缆固定。 主臂设置有能够被迫抵靠自行车车轮轮辋的第一拖曳部分和制动蹄,以便使自行车运动缓慢或停止。 次级臂设置有第二阻力部。 两个弹性构件位于主臂和次臂之间,使得弹性构件能够使第一牵引部分和第二牵引部分具有能够与制动缆索的拉力配合的向外的支撑力,以使主臂 并且辅助臂独立地或同步地进行以产生两步制动机构。