Valve system for exercise apparatus
US4695100A · kind A · utility
2Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 17, 1986 |
| Grant date | Sep 22, 1987 |
| Priority date | — |
| Expiry date | Jan 17, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B21/008
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An improved hydraulic valve system particularly adapted for use in a hydraulic circuit of an exercise apparatus in order to more quickly equalize the high and low pressure sides of the hydraulic circuit when a load is removed therefrom. The valve system is adapted to allow the high pressure side after the force has ceased to open a relief valve so as to allow the low pressure side and the reservoir to quickly come into equilibrium with the high pressure side. In this fashion, the tendency of the base line pressure to be elevated during repetitive exercises is obviated and accurate exercise data can be accumulated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.