| 摘要 |
A trike is provided to be folded and unfolded simply, and to change moving directions by moving the positions of a user. A trike includes a fore wheel part, a fore wheel driving unit, a saddle unit, a pair of rear wheels, a pair of connection bars(131), a lower bracket(132), a spread spring(115), a steering bracket(127), a buffer spring(116), and a pair of steering buffer devices. In the fore wheel part, a fore wheel fork(110) is coupled to a fore end of a fore wheel supporting bar(111) by welding, and a fore wheel has a free gear(102) rotating in one known direction by using a wheel shaft(103). The fore wheel driving unit is connected to the fore wheel free gear by a chain. The middle part of the saddle unit is fixed to the upper end of the fore wheel supporting bar by a bolt and the saddle unit has a steering bar at the bottom side.
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