Integrated resistance spring force machine
US7878955B1 · kind B1 · utility
48Cited by
5References
17Claims
0Family size
Inventors
Key dates
| Filing date | Dec 4, 2008 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Apr 11, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B21/0435
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An integrated resistance spring force assembly machine which is incorporated into an exercise machine and having a plurality of internal transverse sections with each section having respective constant force springs to output a respective magnitude of a spring resistance force, which serves as the respective force loads when in use, and a force selection mechanism which can be used to selectively activate the respective springs so that the respective force loads can be output to a combined level of resistance for an exercise routine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.