Brush assembly for a cleaning device
US7225501B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2003 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Jun 10, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4041
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cleaning device for cleaning a surface is provided including a base for movement along a surface, a suction nozzle associated with the base, and a suction source for drawing liquid and dirt from the surface through the suction nozzle. The cleaning device further includes a brush assembly operatively connected to the base, wherein the brush assembly has at least one brush, which includes a first set of pliable elements extending downwardly from the brush and contacting the surface. The pliable elements slope downwardly and outwardly with the first set of pliable elements having at least a first group of pliable elements and a second group of pliable elements, wherein each of the pliable elements of the second group of the first set extend downwardly from the brush at a length less than the first group of the first set and the second group of pliable elements of the first set being positioned inwardly from the first group of the pliable elements of the first set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.