ルンルン電動アシスト自転車

To provide a power-assisted bicycle that moves forward without stepping on a pedal, and does not feel unsteady and dangerous when starting to pedal. SOLUTION: When a user sits down, puts both feet or one foot on the ground, and kicks a road surface R with the sole to the rear side, and the rear wheels 3 start to rotate forward, the electric assist bicycle turns toward the front wheels 2 side. A ratchet pawl 19 incorporated in the wheel hub 20 is fitted into a cut surface K of the rear wheel hub 20 to rotate the rear wheel 3 forward, and the rotational power is transmitted to the electric assist device 30 through the chain 12, You can keep going at the speed you hit the road. Also, the pedal 7 is provided on the main body side so as to be foldable. [Selection drawing] Fig. 1【課題】ペダルを踏まなくても前に進み、自転車を漕ぎ始めるときフラフラせず危険を感じない電動アシスト自転車を提供する。【解決手段】電動アシスト自転車は、利用者が着座して両足又は片足接地し、路面Rを足裏で後ろ側に蹴って後輪3が前側に回転を始めると、前輪2側に向けて後輪ハブ20に組込みこんでいるラチェット爪19が後輪ハブ20の切り込み面Kに嵌入して後輪3を前向きに回転させ、その回転動力をチエーン12を介して電動アシスト装置30に伝達し、路面を蹴った速さで進み続けることができる。又、ペダル7を本体側に折り畳み可能に設けている。【選択図】図1