| 摘要 |
This invention A Push and Pull Vehicle by Stand-and-Sit Action provides a solid turning, fast reaction steering feeling as a regular bicycle while still abl e to push or to pull or do both to drive vehicle forward. It just works on opposite side for ce of pulling and pushing by stand-up and sit-down actions. It contains a handlebar with a steering column on steering, a treadle and a moving seat working together as leverage against each other, and with an increasing ratio device to magnify driving stroke and drives 2 one-way devices on rear wheel at a continuous cycle.</SD OAB>
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