PROBLEM TO BE SOLVED: To provide an electric wheel chair which can be easily collapsed when storing or carrying and capable of properly detecting behavior of a car body.SOLUTION: An electric wheel chair 100 includes a seat part 10 which is stretched in car width direction and is collapsable in such a manner as the length in the car width direction is shortened, a pair of drive wheels 20 arranged on both outsides in car width direction of the seat part 10, a pair of drive parts 30 in which the drive wheels 20 are respectively driven by an electric power supplied from a battery 91, and a sensor board 40 on which attitude sensors 31LD, 31RD for obtaining attitude information representing attitude of the car body during travel are mounted, and which is arranged at a position in the direction orthogonal to a rotational axis 26 of the drive wheel 20, on at least one of the pair of drive parts 30.COPYRIGHT: (C)2014,JPO&INPIT【課題】収納時や持ち運ぶ時に折り畳みが容易で、車体の動きを適切に検出することができる電動車椅子を提供する。【解決手段】電動車椅子100は、車幅方向に張設され、当該車幅方向の長さを短縮するように折り畳み可能なシート部10と、当該シート部10の車幅方向両外側に配設された一対の駆動輪20と、バッテリ91から供給される電力により駆動輪20の夫々を駆動する一対の駆動部30と、走行中の車体の姿勢を示す姿勢情報を取得する姿勢センサ31LD,31RDが搭載され、一対の駆動部30のうちの少なくとも一方に対して駆動輪20の回転軸26と直交する方向の位置に配置されてあるセンサ基板40と、を備える。【選択図】図1
