Patent ID: 9604368
Date: 2017-03-28
CPC Classifications: B25J,Y10T

Claim:
1. An active compliant foot-ankle prosthesis, comprising: a movable body including a first joint, a second joint, and a third joint; a base body configured to couple to a limb of a user, the base body including a first revolute joint, a second revolute joint, and a third revolute joint; a foot member coupled between the first joint of the movable body and the first revolute joint of the base body; a spring coupled between the second joint of the movable body and the second revolute joint of the base body; and an actuating linking member disposed in a parallel arrangement with the spring and coupled between the third joint of the movable body and the third revolute joint of the base body, the actuating linking member configured to produce a gait motion by positioning the movable body to rotate the foot member about the first revolute joint of the base body.