Pool cleaner with righting weight assembly
US6379542B1 · kind B1 · utility
6Cited by
6References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 15, 2000 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Sep 15, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H4/1663
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for cleaning a surface of a pool submerged in a liquid. The apparatus comprises an elongated cleaning body adapted to migrate across said surface and having a top portion and a bottom portion, a track positioned at the top of the cleaning body, and a ball bearing weight member sealed in the track and having the ability to roll from the first end of the track to the second end of the track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.