Water recreational apparatus with rotating filter doors
US6654972B1 · kind B1 · utility
0Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2002 |
| Grant date | Dec 2, 2003 |
| Priority date | — |
| Expiry date | Oct 9, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H4/1209
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A water recreational apparatus has a water basin, a filter and a pump. The side walls of the water basin have side doors to allow the flow of water from the water basin to the filter. A spring or other biasing means is provided to bias the side wall doors to a closed position when the pump is not operating, but allowing the side doors to open when the pump is operating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.