Brush roller of a floor cleaning device
US9585532B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2012 |
| Grant date | Mar 7, 2017 |
| Priority date | — |
| Expiry date | Oct 17, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/0455
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A rotating brush roller of a floor care device is a cylindrical rotational element including a hollow body as a central piece and end pieces to be supported via bearings in a brush housing of the floor care device. A spiral, outwardly open, receiving shaft or groove is provided in the outer circumferential surface of the hollow body for receiving and retaining therein a continuous spiral brush strip. The central piece is a self-supporting hollow body of plastic, into opposite ends of which the end pieces engage with a form-fitting connection. The receiving shaft for receiving the brush strip continues at least partially in the end pieces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.