Nozzle head for vacuum cleaner with duster function
US5394588A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1993 |
| Grant date | Mar 7, 1995 |
| Priority date | — |
| Expiry date | Apr 23, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/04
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A nozzle head for a vacuum cleaner employing a roller-shaped duster that can be rotated and removed in order to improve efficiency of duster-cleaning. The nozzle head comprises outer and inner casings spaced from each other, a duster supporting shaft detachably and rotatably mounted in the inner casing, a roller-shaped duster member inserted on the duster supporting shaft, a duster holding member which has means for holding the duster supporting shaft and is slidably mounted in the inner casing, means for locking the duster holding member which is fixed to the inner casing, and means for stopping the duster supporting shaft which is disposed between the duster holding member and the opposite ends of the duster supporting shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.