Suction nozzle configuration
US7100234B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2004 |
| Grant date | Sep 5, 2006 |
| Priority date | — |
| Expiry date | Jun 8, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/0488
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A suction nozzle for a floor care appliance such as an upright vacuum cleaner having at least a first channel located above an agitator to carry air and dirt to a suction passageway. The cleaner has several embodiments, one of which has a single channel and a single agitator. Another embodiment has front and rear suction ducts, a channel, and a single agitator. Yet another embodiment has the single channel and dual agitators. Still yet another embodiment has front and rear suction ducts and dual agitators. Further yet still, another embodiment has front and rear suction ducts, a channel, and dual agitators. Several embodiments of an agitator drive assembly are provided using various means to provide rotary power to the agitator(s).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.