抄録
In recent years, the elderly will increase, and the number of users of the assistive technology has increased There are most accidents of a wheelchair also in it In general, the self-propelled wheelchair used has the following problems 1 Step - climbing is difficult 2 There is a problem on the hygiene side because the handrim and the tire are adjacent 3 There is danger of a rear fall when the diagonal road running In the present study, to solve such a problem, the advanced wheelchair was designed, and made for trial purposes And, stability, operability and property of step-climbing were evaluated As a result, the three problems listed above, but it can be resolved, there is a problem new to rotationality and stability