Vacuum cleaner
US9763549B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2014 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Feb 1, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/066
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Disclosed is a vacuum cleaner. The vacuum cleaner includes a suction nozzle housing, an agitator provided within the suction nozzle housing, and a suction channel guiding air sucked into the suction nozzle housing to a dust collector, the agitator includes a body rotatably installed in the suction nozzle housing, brush members disposed on the body in parallel with the center of rotation of the body and combined with the body so as to be fixed, and auxiliary members disposed on the body in parallel with the center of rotation of the body and combined with the body so as to be movable when the body is rotated, and a protrusion overlapping with parts of the brush members and contacting the brush members when the body is rotated is provided in the suction channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.