Cleaning device and roller brush component
US11154174B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Dec 19, 2019 |
| Grant date | Oct 26, 2021 |
| Priority date | — |
| Expiry date | May 28, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L2201/06
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The embodiments of the present application provide a cleaning device and a roller brush component. The roller brush component includes a mounting base, a roller brush frame, an adjusting mechanism, a first roller brush and a second roller brush. A notch is formed on one side of the mounting base. The roller brush frame is rotatablely connected with the mounting base. The adjusting mechanism is in driving connection with the roller brush frame to drive the roller brush frame to rotate. The first roller brush and the second roller brush are connected with the roller brush frame, and the roller brushes are positioned in the notch. The roller brush frame, the first roller brush and the second roller brush are configured such that the first roller brush and the second roller brush may have different ground clearances during rotation of the roller brush frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.