Scrubber brush assembly and vacuum cleaner having same
US12251072B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 4, 2021 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Aug 15, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/0444
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Provided are a scrubber brush assembly and a vacuum cleaner having same. The scrubber brush assembly includes a roller brush body and a scraping sleeve. The roller brush body is rotatable around a first rotation center line and has a bristle (12) provided thereon. The scraping sleeve is rotatable around a second rotation center line noncoincident with the first rotation center line and sleeved over the roller brush body. The scraping sleeve has a scraping sleeve hole defined thereon. The bristle is adapted to be extended out of or retracted into the scraping sleeve hole in a wall thickness direction of the scraping sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.