A bed 11 of the bed body 10 Metropolitan wheelchair 9, the seat surface portion 12 to be configured by connecting to flexibly divided plurality of members, wheelchair, leg surfaces in conjunction with the inclination of the back portion supporting the seat portion a chair support member 13 which changes the shape of the portion, and the chair base portion 14 for fixing the chair support member is provided on the chair base portion, a front caster 15 that can be freely changed direction, the chair base unit to both wheel support member 19 which supports the, is provided at one end of both wheel support member, a rear caster 16 that can be freely changed direction, and formed on the other ends of both wheel support member, in the rectilinear direction direction and a, caster link connected with the running wheel which is fixed, the back portion of the chair support member and the rear side of the caster wheel support member both.車椅子9とベッド本体部10とからなるベッド11であって、車椅子は、複数の分割部材を屈曲自在に連結して構成する座面部12と、座面部を支え背面部分の傾きに連動して脚面部分の形状を変化する椅子支持部材13と、椅子支持部材を固定する椅子基台部14と、椅子基台部に設けた、方向を自由に変えることのできる前方キャスター15と、椅子基台部に軸支する双方車輪支持部材19と、双方車輪支持部材の片端に設けた、方向を自由に変えることができる後方キャスター16と、双方車輪支持部材の他端に設けた、方向を直進方向に固定した走行輪と、双方車輪支持部材の後方キャスター側及び椅子支持部材の背面部分を連結したキャスターリンクと、を有する。
