Wet/dry floor cleaning device
US7979952B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2007 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | Feb 1, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4044
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cleaning device with an elongated housing having a grip at one end and a cleaning head at another end, a dirt collection device and a vacuum source. The cleaning head has a rotary agitator, a first inlet opening having a first cross-sectional area, and a second inlet opening having a second cross-sectional area. The second cross-sectional area may be substantially less than the first cross-sectional area. The second inlet opening may be above the first inlet opening. There also may be a fluid supply tank and an associated pump, and the pump and agitator may be driven by the same motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.