Vacuum cleaner
US11464377B2 · kind B2 · utility
0Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2020 |
| Grant date | Oct 11, 2022 |
| Priority date | — |
| Expiry date | Mar 2, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/30
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A suction head of a vacuum cleaner including a housing having a suction port, a drum brush rotatably installed in the housing, a foreign substance removal pad provided on an inner surface of the housing to remove foreign substances wound on the drum brush by friction, and an anti-slip pad provided on the drum brush to prevent the foreign substances from slipping upon experiencing the friction with the foreign substance removal pad.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.