To provide a three-wheel cycle friendly to an elderly.SOLUTION: In a front two wheel-type three-wheel cycle having one rear wheel 52 for driving, a swing arm 41 having a pair of left and right front wheels 42 is connected to a front frame 3 at a center of a body of the cycle to be freely inclined laterally. A crank shaft 65 is arranged closer to a front side than center positions of the front wheels 42 and a center point in a horizontal distance from a rear end of a seating surface of a seat (a saddle) 71.SELECTED DRAWING: Figure 3
【課題】高齢者に優しい三輪自転車を提供する。【解決手段】一つの駆動用の後輪52を有する前二輪式三輪自転車において、左右一対の前輪42を有する揺動アーム41を左右傾斜自在に車体中央で前フレーム3に連結した。前輪42の中心とシート(サドル)71座面後端からの水平距離の中心点より前方にクランク軸65を配置した。【選択図】図3
ELECTRICALLY-DRIVEN ASSIST THREE-WHEEL CYCLE
電動アシスト三輪自転車
2021-06-17
Patent
Electronic Resource
Japanese
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