Vacuum cleaner brush wrap geometry
US6085383A · kind A · utility
4Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1998 |
| Grant date | Jul 11, 2000 |
| Priority date | — |
| Expiry date | Oct 5, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/325
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner comprising a housing having an elongated transverse brush cavity with an elongated cylindrical brush therein, a duct having an air flow nozzle adjacent the brush cavity for receiving dirt-entrained air from the brush cavity, a vacuum motor operably associated with the duct and nozzle to draw dirt-entrained air through the nozzle and duct, and the brush cavity having a wrap configuration geometry over the brush including an elongated reflective ledge angled laterally upwardly toward the nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.