Patent ID: 8696604
Filing Date: 2014-04-15
Classification: A61F,A61H,B25J

Abstract:
1. A muscle force assisting device comprising a first attachment adapted to be arranged along one bone of a joint, a second attachment adapted to be arranged along an other bone of the joint, and an artificial muscle having one end provided on the first attachment and having an other end provided on the second attachment, in which an actuator that is extensible or contractible by supplying or discharging gas, liquid , solid, or a mixture thereof is used as the artificial muscle, and the muscle force assisting device adapted to assist motion of any one of a user's elbow, knee and wrist, wherein the one end of the artificial muscle is displaced via an auxiliary artificial muscle, and a bending angle of the second attachment with respect to the first attachment is increased as compared with a case where the one end of the artificial muscle is not displaced, the first attachment has a swing arm, the first attachment includes a turning fulcrum of the swing arm on a side opposite from the joint, the first attachment includes a displacing end of the swing arm on a side of the joint, the swing arm includes the one end of the artificial muscle on the displacing end, and the second attachment includes the other end of the artificial muscle on the side opposite from the joint.