Patent ID: 6342042
Filing Date: 2002-01-29
Classification: A61H,Y10T

Abstract:
A foot swinger with adjustable amplitude of oscillation comprising:a base structure; a vertical support structure attached to the base structure and including two bearings spaced from each other and located at equal distances above the base structure; a swinging arm hanging from each of the two bearings on the vertical structure, each swinging arm including a lower pivot point with the lower pivot points on the two swinging arms located at the same distance above the base structure; a bridge attached to and connecting the lower pivot points on the two swinging arms; a drive link connected to one of the swinging arms at a pivoting connection point and connected at a rotating connection point on a rotating cam which has at least two rotating connection points to which the drive link can be connected, with each rotating connection point at a different radial distance from a drive shaft which rotates the cam; a rotating drive shaft connected to the rotating cam and driven by a motor installed within the foot swinger; and a foot cushion interconnected to and moving with the bridge.