The single rotation shaft stairs climbing wheel chair includes caster wheel assemblies, star frames, a driving mechanism, an energy source and balance mechanism, a wheel chair rotation shaft, a seat, etc. The caster wheel assemblies are mounted onto the star frame; the star frame may have 3, 4, 5 or 6 sides; and the driving mechanism has two freedom degrees and may be driven with the caster wheel or the star frame. It features only one rotation shaft to drive two star frames for no interference during climbing stairs. The present invention has light weight, safety, automation, low cost and other features. |