Leg extension exercise machine
US5066004A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 27, 1990 |
| Grant date | Nov 19, 1991 |
| Priority date | — |
| Expiry date | Aug 27, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2225/30
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A leg extension exercise machine includes a frame, a declined seat connected to the frame and two independently maneuverable levers pivotally connected to the frame in front of the seat, the levers being pivotal in vertical planes that diverge with respect to the front of the seat. Hubs at the lower, forward ends of the levers hold removable weights. Pads supported by the lower forward ends are adapted to be engaged by the fronts of the legs of a person and raised forwardly, upwardly and slightly outwardly to perform a leg extension maneuver while supported on the declined seat. The diverging vertical planes of movement accommodate the natural musculoskeletal leg movements of a person, thereby maximizing muscular benefit while minimizing joint stress.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.