Pool cleaner with a protracted filter
US9909334B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2016 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | Apr 21, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/42
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A pool cleaning robot that may include a fluid inlet, a filter; a winding mechanism and a holding mechanism; wherein the winding mechanism is configured to perform a winding of the filter thereby removing a filter portion that was positioned in a filtering position and placing another filter portion, that was previously stored by the holding mechanism, in the filtering position; wherein the filter portion, when positioned in the filtering position, is configured to filter fluid that enters through the fluid inlet; and wherein the holding mechanism is configured to hold the filter and to store folded and unused filter portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.