| 摘要 |
PROBLEM TO BE SOLVED: To provide a bicycle functioning as a cart carried into any place after folded in slim shape so that a front wheel and a rear wheel are parallel. SOLUTION: A lower frame of this bicycle is divided, and after folding a trapezoidal body in U-shape, the front and rear parts of the body are bound with a fitting of a front bag to deform the bicycle into a slim cart.
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