Cleaner head and vacuum cleaner having the same
US11877715B2 · kind B2 · utility
0Cited by
13References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2020 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Dec 29, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cleaner head is provided. The cleaner head includes: a nozzle; a case disposed close to an inlet of the nozzle; and a brush rotatably disposed in the case, wherein the case includes an air passage groove disposed in an outer side surface of the case and having a passage formed for the air to flow from an edge region of the case toward a surface to-be-cleaned.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.