Patent ID: 8313448

Claim:
A walking assistance device comprising: a pelvis support member adapted to be worn on a hip of a wearer; a thigh support member adapted to be worn on a thigh of the wearer; a leg support member adapted to be worn on a leg of the wearer; a knee joint hinge disposed at a position corresponding to a side part of a knee of the wearer and connecting the leg support member to the thigh support member in a manner that enables back-and forth rotation of the leg support member with respect to the thigh support member; and a power generator assembly mounted to the pelvis support member at a position corresponding to a side part of a hip joint of the wearer; wherein the power generator assembly comprises a hip joint power generator and a knee joint power generator each having an output member, with the output member of the hip joint power generator being connected to the thigh support member in a power-transmittable manner and the output member of the knee joint power generator being connected to the leg support member via a power transmitting mechanism which transmits power generated by the knee joint power generator to the leg support member wherein the power generator assembly is supported at the pelvis support member via a hinge in a manner that enables the power generator assembly to rotate with respect to the pelvis support member in a lateral direction of the wearer.