| 摘要 |
PURPOSE: A multi-functional bicycle is provided to improve convenience and portability by serving as a backpack which can be used properly according to the slope of road. CONSTITUTION: A multi-functional bicycle comprises a main support member(100), rear wheels(200), a main frame(400), a handle part(500), and a saddle(600). Loads can be placed on the main support member. The rear wheels are attached to the right and left sides of the main support member. One end of the main frame is connected to the main support member and extended outward. A front wheel(300) is installed on the other end of the main frame. The handle part with a handle(520) is vertically formed on the main frame. The saddle is connected to the main frame.
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