Toothbrush
US7526828B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 21, 2006 |
| Grant date | May 5, 2009 |
| Priority date | — |
| Expiry date | Feb 21, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1066
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A toothbrush with a cleaning zone on which tooth-cleaning elements are arranged, which are pressed against the teeth during cleaning with a cleaning force, and with a deformable element by which the cleaning zone is can be adapted to the shape of the tooth surface by the cleaning force, where the deformable element has at least a first flexible wing facing towards the cleaning zone and a second such wing facing away from the cleaning zone, and also at least one guide element, and where the first and second wings are held together moveably by the guide element. In order to provide an improved toothbrush which cleans the teeth more effectively and at the same time more gently, it is provided according to the invention that the wings form a wedge, by being connected together at one end and distanced from each other at the other end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.