Dust collection unit for vacuum cleaner
US7485164B2 · kind B2 · utility
186Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2005 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | Apr 5, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/03
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A dust collection unit for a vacuum cleaner includes a collection body having a plurality of filtering chambers different from each in a volume and a plurality of storing chambers storing foreign objects filtered in the filtering chambers, a bottom seal member defining a bottom of the collection body, and an exhaust member guiding airflow in the filtering chambers. The exhaust member contacts tops of the filtering chambers as well as an outer circumference of the collection body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.