Nozzle arrangement with brush and squeegee
US9265394B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2014 |
| Grant date | Feb 23, 2016 |
| Priority date | — |
| Expiry date | Feb 4, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4044
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Nozzle arrangement (10) of a vacuum cleaning device (100) for cleaning a surface (20), comprising: —a nozzle housing (28); —a brush (12) rotatable about a brush axis (14), said brush (12) being provided with flexible microfiber brush elements (16) having tip portions (18) for contacting the surface to be cleaned (20) and picking up dirt and liquid particles (22, 24) from the surface to be cleaned (20) during the rotation of the brush (12); —a drive means for rotating the brush (12); —a single squeegee element (32) for wiping dirt and liquid particles (22, 24) across or off the surface to be cleaned (20) by contacting said surface (20) with its free end (33), wherein said squeegee element (32) extends along a longitudinal direction (48), which is arranged substantially parallel to the brush axis (14), and is attached with its fixed end (33) to the bottom side (30) of the nozzle housing (28) on a side of the brush (12) where the brush elements (16) enter the nozzle housing (28) during the rotation of the brush (12).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.