Compact and light multi-exercise device providing hyperextension and instability in all directions
US8591388B2 · kind B2 · utility
6Cited by
7References
7Claims
0Family size
Inventor
Key dates
| Filing date | Oct 10, 2010 |
| Grant date | Nov 26, 2013 |
| Priority date | — |
| Expiry date | Dec 21, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2208/0266
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The exercise device of the present invention includes a convex dome on a bottom surface and an arched ridge on the top surface with troughs formed on both sides of the arched ridge. In a first configuration, the bottom surface faces downward where the convex dome rests on the floor and the exerciser is provided an unstable exercise platform. In a second configuration, the top surface and arched ridge face downward where the ends of the exercise device are resting on the floor and the exerciser is provided a stable exercise platform.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.