Agitator for vacuum cleaner/extractor
US6859970B2 · kind B2 · utility
3Cited by
19References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2002 |
| Grant date | Mar 1, 2005 |
| Priority date | — |
| Expiry date | Mar 1, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/0477
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An agitator includes an axle, a pulley having a hub mounted to the axle and a belt receiving face having at least one lengthwise channel and a sleeve of molded material received over the axle and in the at least one lengthwise channel. A method of constructing an agitator from an axle and pulley includes the fitting of the axle into the pulley, the injecting of plastic resin into one end of the agitator forming mold on a first side of the pulley and the directing of plastic through at least one channel in the pulley to a second side of the pulley.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.