Vacuum cleaner with height adjustment of suction nozzle
US10238251B2 · kind B2 · utility
2Cited by
4References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 16, 2017 |
| Grant date | Mar 26, 2019 |
| Priority date | — |
| Expiry date | Nov 16, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/0494
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner includes a suction nozzle defining a nozzle inlet, a manual nozzle height adjustment assembly for adjusting the height of the nozzle inlet relative to a surface to be cleaned, and a bleed valve fluidly connected to a working air path of the vacuum cleaner to selectively open to reduce suction at the nozzle inlet. The bleed valve is incorporated with the nozzle height adjustment assembly such that movement of the nozzle height adjustment assembly between different height settings will automatically open or close the bleed valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.