Vacuum cleaner equipped with dirt cup and separate filter drawer
US7305735B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 10, 2003 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Jun 16, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/03
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner includes a housing, a nozzle inlet, a suction generator, a dirt cup and a filter assembly. The suction generator, dirt cup and filter assembly are all carried on the housing. The dirt cup includes an inlet and an outlet that provide fluid communication between the nozzle inlet, the dirt cup and the suction generator. The filter assembly is also provided in fluid communication with the nozzle inlet, the suction generator and the dirt cup. The filter assembly includes a filter holder displaceable between an open position and a closed position and a filter element that is held in the filter holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.