Hairbrush device having a variable stiffness of brush filaments
US9504311B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 2, 2012 |
| Grant date | Nov 29, 2016 |
| Priority date | — |
| Expiry date | May 4, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B9/10
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A hairbrush device (100) comprises a first plurality of brush filaments (112) and a second plurality of brush filaments (116). A property of the first plurality of brush filaments (112) and a respective property of the second plurality of brush filaments (116) are different from one another. In order to reversibly select a stiffness of the hairbrush device, the hairbrush device (100) comprises an actuation element (104) being in driving connection with the first and second plurality of brush filaments (11, 116) and configured for being actuatable for selecting the first plurality of brush filaments (112) or the second plurality of brush filaments (116) for a use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.