Extraction cleaning with tank mounting
US7475712B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 31, 2007 |
| Grant date | Jan 13, 2009 |
| Priority date | — |
| Expiry date | Oct 31, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B3/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A portable extraction surface cleaner has a base housing, an upright handle pivotally mounted to the base housing, a liquid dispensing system including a cleaning fluid supply tank for holding a supply of cleaning liquid and removably mounted in a well in the base housing, a liquid recovery system that includes a recovery tank, a suction nozzle, a working air conduit extending between the recovery chamber and the suction nozzle and a vacuum source to draw soiled liquid from the suction nozzle into the recovery tank. The vacuum source is mounted in an enclosed chamber juxtaposed to the well. A detergent supply tank is removably mounted in a second well in the base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.