Rotary brush device and vacuum cleaner using the same
US6323570A · kind A · utility
178Cited by
15References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2000 |
| Grant date | Nov 27, 2001 |
| Priority date | — |
| Expiry date | Feb 28, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/2889
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A motor is incorporated in a cylindrical body which is a rotary brush. Rotation of a rotor of the motor, directly or via a speed reduction mechanism, drives the rotary brush. Cooling air runs through the cylindrical body so that the motor is cooled and protected. The rotary brush and an electric apparatus using the rotary brush can be downsized and easily.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.