Exercising apparatus
US4576376A · kind A · utility
70Cited by
1References
8Claims
0Family size
Inventor
Key dates
| Filing date | Nov 23, 1984 |
| Grant date | Mar 18, 1986 |
| Priority date | — |
| Expiry date | Nov 23, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2225/60
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A treadmill is provided in a tank in which there is sufficient water to provide considerable buoyancy to a person walking or running on the treadmill. The treadmill operates a water pump, and means are provided to restrict the pump output to the extent desired to provide the desired load or resistance to movement by the treadmill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.