| 摘要 |
PROBLEM TO BE SOLVED: To provide a self-walking supporter excellent in safety and convenience, which is free from the fear of overturning and whose access is free from shape and the size of the bed by securing sufficient safety with respect to concentrated loading to the side of a rear wheel. SOLUTION: Backward overturning preventive structure is obtained by setting the position of a rear wheel 6 on a front side compared with the position of a centroid when a user takes a seat at a body trunk supporter 18 at the lower limit of the movable range of an arm supporting part 15 and providing a projecting part 4 consisting of a bar member toward a floor surface behind the rear wheel 6 from a frame in the neighborhood of the rear wheel 6. |
