Suction head for vacuum cleaner
US7363682B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2003 |
| Grant date | Apr 29, 2008 |
| Priority date | — |
| Expiry date | Jun 26, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/0483
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present invention discloses a suction head for a vacuum cleaner, including a casing having a suction port for sucking alien substances from the floor, an agitator rotatably installed inside the suction port, a plurality of brushes being arranged on the agitator in the length direction, an agitator driving unit for driving the agitator to perform reciprocating rotation in a predetermined angle range, and a resonance unit for resonating the reciprocating rotation of the agitator driving unit. The suction head for the vacuum cleaner improves cleaning performance of the vacuum cleaner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.