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US 6,273,844 B1Granted
Unloading system for therapy, exercise and training
AssigneeParadigm Health Systems International, Inc.
InventorsDouglas D. Kelsey, Gary H. Anders
Life of this patent
Estimating the term…
Abstract
An apparatus for unloading a user's body weight during physical activity comprising: a frame; a pair of straight springs pivotably extending from an upper portion of the frame and having distal ends spaced apart from each other; and a fluid-operated lift system for raising the distal ends of the straight springs to provide a lifting force for the user.
Claims9
An apparatus for unloading a user's body weight during physical activity comprising:
- a frame;
- a straight spring pivotably extending from said frame and having a distal end;
- and
- a fluid-operated lifting movably and operatively contacting a midportion of said straight spring for providing a fulcrum for said straight spring and means for raising said distal end of said straight spring to provide a lifting force for said user and a user harness operatively associated with said straight spring.
1 more element
Dependencies are inferred from the claim text.