PROBLEM TO BE SOLVED: To enable an indoor small step such as a doorsill to be easily gone over, and at the same time, to enable automatic stop and release which are adjusted to the using state of a user to be performed.SOLUTION: This self-help device includes: a sitting section 10 for the user a frame 20 to which the sitting section 10 is fixed, and at the same time, of which the section for placing the feet of the user in front of the sitting section 10 is opened at least three main casters 22 which are arranged under the front end section and the rear central section of the frame 20 and an auxiliary caster 24 for fall prevention which is arranged between the main casters 22 under the frame 20. In addition, the self-help device can include: a load sensor 28 which is arranged on the supporting point for the rear seat surface of the sitting section between the rear side of the sitting section 10 and the frame 20 and a braking mechanism 30 which applies braking to at least one of the main casters 22 when a load detected by the load sensor 28 is within a specified range.COPYRIGHT: (C)2013,JPO&INPIT【課題】敷居等の室内のわずかな段差を容易に乗り越えることができると共に、使用者の使用状態に合わせた自動停止及び解除を可能とする。【解決手段】使用者の着座部10と、該着座部10が固定されると共に、該着座部10前方の使用者の足が入る部分が開放されたフレーム20と、該フレーム20の前端部下側及び後方中央部下側に配設された、少なくとも3つの主キャスター22と、前記フレーム20下側の前記主キャスター22の間に配設された、転倒防止用の補助キャスター24と、を備える。更に、前記着座部10後方とフレーム20の間の着座部後方座面支持点に配設された荷重センサ28と、該荷重センサ28で検出された荷重が所定範囲にある時に、前記主キャスター22の少なくとも1つにブレーキをかけるブレーキ機構30を備えることができる。【選択図】図1
