| 摘要 |
<p>Manufacturing and using methods of a roller device and a walking wheeled vehicle are disclosed. With feet treading on it, the roller device can be driven by walk or run. The roller device is composed of two rollers (1, 8), a crank (4), a pedal shaft (5) and a pedal (6) etc. The two rollers (1, 8) may be arranged side by side or in a straight array. The roller device can be used individually. By using a swaying vehicle frame of vertical levers (40, 41, 42, 46) or a swaying vehicle frame of parallelogram-shaped levers (68, 69, 70, 71, 72, 73, 74, 75, 77) to connect two groups of roller devices, the walking wheeled vehicle is formed.</p> |
