Patent ID: 8790284
Filing Date: 2014-07-29
Classification: A61G,A61H

Abstract:
1. A wheelchair walking aid robot comprising: a driving unit including a main frame, a driving motor provided to the main frame, and wheels provided to the main frame and driven by the driving motor; a lift including an outer linear guide fixed to the main frame, an inner linear guide capable of a vertical movement along the outer linear guide, an upper chair part connected to the inner linear guide and capable of a vertical movement, and a lower chair part directly connected to the outer linear guide wherein the lower chair part is unfolded or folded when the inner linear guide descends or ascends, respectively; and an exoskeleton including a lift locking part combined with the upper chair part, an upper frame having a thigh brace joined to the upper frame, a lower frame having a calf brace joined to the lower frame, a hip joint part installed between the lift locking part and the upper frame and forcing the upper frame to rotate with respect to the lift locking part, and a knee joint part installed between the upper frame and the lower frame and forcing the lower frame to rotate with respect to the upper frame.