Floor nozzle for electric cleaner
US4901394A · kind A · utility
123Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1989 |
| Grant date | Feb 20, 1990 |
| Priority date | — |
| Expiry date | Apr 17, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/0483
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A floor nozzle for vacuum cleaner comprising: a floor nozzle body in which an agitator and a drive source are incorporated, the agitator includes a rotor provided on its outer peripheral surface with flexible lips made of polyurethane rubber added with talc as a reinforcing agent so as to have a rubber hardness of 50 to 70, and blended with 0.1 to 0.5% of a coloring agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.