Apparatus for cleaning a body of liquid
US4776954A · kind A · utility
42Cited by
27References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 7, 1986 |
| Grant date | Oct 11, 1988 |
| Priority date | — |
| Expiry date | Nov 7, 2006 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H4/1681
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A swimming pool cleaning apparatus carries a scraper and deflecting member along one side of a mouth defined by a receptacle of the apparatus and in advance thereof. The scraper and deflecting member has a blade inclined towards the mouth and having a leading edge that may scrapingly engage a wall or floor of the swimming pool. The scraper and deflecting member is pivotally mounted on the apparatus by means of two legs that extend from the ends of the blade. The blade has two ribs on its underneath surface parallel to its leading edge which assist in scraping the walls of the swimming pool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.