| 摘要 |
A motorized tricycle comprising a frame including first, second, and third coupling members, two rear wheels, and a rear wheels mounting structure comprising side pieces on either side; cross pieces interconnecting the side pieces; two forward cylindrical first joints; two seats each projecting upward from the topmost side piece and comprising a top second joint and a bottom first threaded hole; two second threaded holes each disposed on a section between the first and second joints of the same side; two inverted L-shaped reinforcement plates comprising a hollow boss projecting inward from a bending point, and first and second through holes at both ends respectively; two sleeves each put on the first joint; two cylinders each disposed in the second joint; and screws for securing the reinforcement plate, the rear wheels mounting structure, and the frame together.
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