Patents Assigned to Mechanical Advantage Ltd.
  • Patent number: 5286242
    Abstract: An apparatus for flexing a knee capsule of a human body which contains a device for grasping a foot, a thigh strap, a first line cord, and a second line cord, a handle, and eight separate guides for guiding line cord is disclosed. This device may readily be used by a patient to rehabilitate a damaged knee capsule.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: February 15, 1994
    Assignee: Mechanical Advantage Ltd.
    Inventor: Thomas L. Johnston
  • Patent number: 5277680
    Abstract: An apparatus for flexing a foot of a human body, comprising means for grasping a foot, a first female buckle assembly, a second female buckle assembly, line cord, and ten separate means for guiding the line cord is disclosed. This apparatus allows a patient to rehabilitate an injured foot.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: January 11, 1994
    Assignee: Mechanical Advantage Ltd.
    Inventor: Thomas J. Johnston
  • Patent number: 5253639
    Abstract: A device for flexing a person's knee joint is described. The device contains a seat harness, an element for grasping the foot of a user, line cord, and an element for connecting the seat harness to the line cord. Movement of the line cord by the user causes movement of the foot grasping element.
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: October 19, 1993
    Assignee: Mechanical Advantage Ltd.
    Inventor: Thomas L. Johnston