Self-propelled upright vacuum cleaner with offset agitator and motor pivot points
US6131238A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 1998 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | May 8, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/2863
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A self-propelled vacuum cleaner is provided having an upper handle portion and a carriage pivotally mounted to a lower end of the handle portion for pivotal motion relative the handle portion about a horizontally extending carriage axis. A transmission drivingly connected to at least one drive wheel mounted on the carriage, whereby the at least one drive wheel propels the vacuum cleaner over a floor surface. A nozzle body pivotally mounted to the carriage for pivotal motion relative the carriage about a generally horizontally extending nozzle axis, the nozzle body having a downward facing suction opening. The nozzle axis being generally horizontally offset from the carriage axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.