Carpet maintainer
US5611106A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 19, 1996 |
| Grant date | Mar 18, 1997 |
| Priority date | — |
| Expiry date | Jan 19, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4091
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A carpet maintainer comprising a mobile support having power drive for advancing the support over an underlying carpet surface, a housing on the support, a cleaning solvent vessel on the support, a discharge spray bar at the support underside for discharging cleaning solvent from the vessel onto an underlying carpet surface, a pair of powered, counter-rotational, elongated brushes at the support underside, adjacent each other, and transverse to the support, the spray bar being forward of the brushes for ejecting cleaning solution on the carpet followed by brush scrubbing and pile pick-up of the carpet, a debris hopper, a suction fan in the housing, an air and debris conducting conduit extending from the hopper to the suction fan, and a collector bag between the hopper and suction fan so that dirt and debris swept up by the brushes is deposited in the hopper or drawn by the fan into the collector bag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.