Supply tank for an extractor cleaning machine
US10786132B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2016 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Apr 3, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/34
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An extractor cleaning machine that includes a base movable along a surface to be cleaned, the base including a distribution nozzle and a suction nozzle. The extractor further includes a suction source in fluid communication with the suction nozzle. A recovery tank is in fluid communication with the suction source and the suction nozzle to receive the fluid drawn through the suction nozzle. The extractor further includes a supply tank including a first chamber for storing a first fluid, a second chamber for storing a second fluid, and a third chamber in fluid communication with the first chamber and the second chamber to receive the first and second fluids, the third chamber also in fluid communication with the distribution nozzle for supplying a mixture of the first and second fluids to the distribution nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.