Duster nozzle for vacuum cleaners
US6966099B2 · kind B2 · utility
2Cited by
9References
8Claims
0Family size
Inventor
Key dates
| Filing date | Jun 22, 2001 |
| Grant date | Nov 22, 2005 |
| Priority date | — |
| Expiry date | Oct 31, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/066
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present invention refers to a duster nozzle for vacuum cleaners, comprising a tube (1) carrying a duster (3a) at the air flow entrance end. The novelty of the invention basically consists in that the duster (3a) has duster elements (3) which decrease in length, at least partially, along the direction that is transverse to the air flow (4) at the entrance end of the nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.