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    • 1. 发明公开
    • HOW TO CHANGE GEARS ON A BICYCLE
    • 如何更改齿轮在自行车上
    • KR20080077711A
    • 2008-08-26
    • KR20070017213
    • 2007-02-21
    • CHOI HO SICK
    • CHOI HO SICK
    • B62M11/04B62M9/04B62M11/18F16H3/00
    • B62M11/18B62M3/08B62M9/04
    • A bicycle transmission is provided to select the driving speed and transmission step of a bicycle with a variable gear ratio by adjusting torsion with a torsion adjusting bolt of a rear derailleur. A bicycle transmission includes a body driving sprocket(800), a body chain(810), a body(100), a wire, a rear derailleur(600), a chain(700), and a cassette sprocket(820). The body driving sprocket transmits rotary force of a rear wheel to the body. The body chain connects the body driving sprocket and a body sprocket to transmit the rotary force of the rear wheel to the body. The body increases pulling force for pulling the wire according to the driving speed of a bicycle. The wire connects the pulling force of the body and restoring force of the rear derailleur. The rear derailleur is driven by the pulling force of the body. The chain is moved in the cassette sprocket by the rear derailleur to change a gear ratio. The cassette sprocket is composed of sprockets with different gear ratios.
    • 提供一种自行车传动装置,通过利用后拨链器的扭力调整螺栓调节扭矩来选择具有可变齿轮比的自行车的行驶速度和传动步骤。 自行车变速器包括主体驱动链轮(800),主体链(810),主体(100),线,后拨链器(600),链条(700)和盒式链轮(820)。 车身驱动链轮将后轮的旋转力传递到车身。 身体链条连接主体链轮和主体链轮,以将后轮的旋转力传递到身体。 身体根据自行车的行驶速度来增加牵引力的拉力。 线连接机身的拉力和后拨链器的恢复力。 后拨链器由车身的拉力驱动。 链条通过后拨链器在盒式链轮中移动,以改变传动比。 盒式链轮由具有不同传动比的链轮组成。