| 摘要 |
PURPOSE: A brake lever structure for a bicycle disk brake is provided to have a simple lever operating structure of a disk brake and to enhance the operating force of a brake. CONSTITUTION: A brake lever structure for a bicycle disk brake comprises a brake caliper body, a brake lever(101), a screw, a linear moving body(202), and a pad disk(203). The brake lever is connected to a brake cable. The screw is fastened with the brake lever to interlock with the rotating motion of the brake lever so that rotating motion of the screw can be started. A first spiral surface is arranged at the underside of the screw. The linear moving body is coupled with the brake lever by a lever shaft at the bottom of a screw body and has a second spiral surface at the top. The pad disc is coupled at the underside of the linear moving body and is coupled with a brake pad and an elastic body at the bottom thereof.
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