| 摘要 |
A power transmission of a bicycle is provided to obtain power by upward and downward operations of handle portions, upward and downward operations of a saddle portion, and an eccentric force of an eccentric wheel as well as the rotational force of a pedal. A power transmission of a bicycle includes handle portions(20), a power transmission section(30), a saddle portion(40), and an eccentric wheel(60). The handle portions can be operated up and down. The power transmission section includes a sprocket pedal, a plurality of non-reversible clutch, a bearing, and a gear section. The saddle portion can be moved up and down to generate power. The eccentric wheel is eccentrically installed in an eccentric shaft. |
