| 摘要 |
A power transmission device of a bicycle is provided to obtain power for driving the bicycle through movement of a body. A power transmission device of a bicycle includes a curved frame(13), a plate frame(16), a latchet gear(21), a cable(22), a shaft(37), a cable fixture(40), a weight(42), a spring, and a latchet gear(35). The curved frame is installed at a lower end of a handle stem(12). The plate frame has a cable fixing frame(17), and rollers formed at its both sides. The latchet gear is installed at both sides of a front hub. The cable is connected to the latchet gear. The shaft is installed at a rear frame(30). The cable fixture fixes the cable extended from the latchet gear. The weight is installed at tips of upper and lower support frames(11). The spring is installed in an outer case to facilitate movement of the weight. The latchet gear is installed at a lower end of a rear fork(31) to connect the cable to both sides of a rear hub. |
