Leg curl/leg extension weight training machine
US7150702B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2002 |
| Grant date | Dec 19, 2006 |
| Priority date | — |
| Expiry date | Jul 1, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2208/0257
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An exercise machine for performing leg curl and leg extension movements includes: a frame configured to rest on an underlying surface; an upper leg-supporting assembly pivotally interconnected with the frame, the upper leg-supporting assembly having a seat pad; a torso-supporting assembly pivotally interconnected with the frame and with the upper leg-supporting assembly, the torso-supporting assembly having a backrest pad; a leg curl assembly arm pivotally interconnected with the frame about a first pivot axis; a leg extension assembly arm pivotally interconnected with the frame about a second pivot axis; a resistance-imparting unit coupled with the leg curl movement arm and the leg extension movement arm; and a conversion mechanism interconnected with the frame and/or the torso-supporting assembly and the upper leg-supporting assembly. The conversion mechanism moves the torso-supporting assembly and the upper leg-supporting assembly between a leg extension position, wherein the seat pad and the backrest pad combine to form a backrest and seat for a seated exerciser, and the second pivot axis is positioned in front of a front edge of the seat pad, and a leg curl position, wherein t…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.