Water ski with increased stability
US4296511A · kind A · utility
10Cited by
7References
24Claims
0Family size
Inventor
Key dates
| Filing date | Jun 8, 1978 |
| Grant date | Oct 27, 1981 |
| Priority date | — |
| Expiry date | Jun 8, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B32/35
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An aquatic device having improved stability and maneuverability comprising a member to be moved through water and a curved plate attached to the member for forming a chamber having an inlet opening and a substantially unobstructed outlet opening and a cross section whose area continuously decreases in going from the inlet opening to a point beyond the inlet opening in the direction of the outlet opening. A water ski aquatic device embodying the invention is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.