Extractor cleaning machine
US9737187B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 4, 2014 |
| Grant date | Aug 22, 2017 |
| Priority date | — |
| Expiry date | Apr 6, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/30
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An extractor includes a base movable along a surface having an agitator. The extractor also includes a distribution nozzle, a suction nozzle, and a suction source in fluid communication with the suction nozzle and operable to draw fluid and dirt from the surface, a recovery tank in fluid communication with the suction source to receive and store the fluid and dirt drawn, a supply tank supported by the base and in fluid communication with the distribution nozzle to supply cleaning fluid, a pump in fluid communication with the supply tank and the distribution nozzle to deliver fluid from the supply tank to the distribution nozzle, a motor operable to drive the agitator and the pump, and a drive mechanism coupled to the motor, the agitator, and the pump and operable to selectively connect the agitator and the pump to the motor to alternately drive the agitator and the pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.