Vacuum cleaner base with nozzle height adjustment
US8752242B2 · kind B2 · utility
2Cited by
15References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2012 |
| Grant date | Jun 17, 2014 |
| Priority date | — |
| Expiry date | Feb 6, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/0494
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An upright vacuum cleaner comprises a base assembly pivotally connected to an upright assembly. The base assembly comprises housing, a support, and a ratchet-operated nozzle height adjustment mechanism for raising or lowering a suction nozzle on the base assembly relative to a surface to be cleaned. The ratchet-operated nozzle height adjustment mechanism includes a ratchet mechanism for raising and lowering the housing relative to the support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.