Wrist exercise device
US4770409A · kind A · utility
31Cited by
11References
20Claims
0Family size
Inventor
Key dates
| Filing date | Oct 16, 1987 |
| Grant date | Sep 13, 1988 |
| Priority date | — |
| Expiry date | Oct 16, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2023/003
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A wrist exercise device includes a figure eight shaped housing with circular portions each having an annular channel therein. An arcuate slide is positioned within each channel and a grip handle extends across the inner area of each circular portion and is connected to one of the arcuate slides. A stop is positioned in each channel adjacent one end of each slide. A spring is positioned in each channel and extends between the stop and the other end of each arcuate slide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.