| 摘要 |
PURPOSE: A bicycle is provided to allow three people to ride the bicycle and exercise their upper and lower bodies at the same time. CONSTITUTION: A bicycle comprises a frame body(10), a steering frame(22), a front wheel(20), a first rear wheel(20a), a second rear wheel(20b), a driver-driven member(30), a first exerciser-driven member(40), and a second exerciser-driven member(50). The frame body includes a center frame(11) and a first and a second extension frame(12). The steering frame is coupled to the front side of the center frame and fitted with a handle(21). The front wheel is axially-coupled to the bottom of the center frame. The first and the second rear wheel are respectively axially-coupled to the rear side of the first and the second extension frame. The driver-driven member comprises a driven member frame(31), a drive sprocket(33), an interlocking sprocket(35), a drive seat support frame(36), and a driver seat(37). The first and the second exerciser-driven member are respectively installed in the first and the second extension frame to implement exercises for upper and lower bodies at the same time. |
