Electrical brush handpiece and an electrical toothbrush having the electrical brush handpiece and an attachment brush
US12161521B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 3, 2020 |
| Grant date | Dec 10, 2024 |
| Priority date | — |
| Expiry date | Jan 5, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C17/3418
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An electrical brush handpiece, in particular toothbrush handpiece, includes at least one interface for a coupling with a plug-on brush, includes at least one frame unit and includes at least one drive unit for driving the interface which is accommodated in the frame unit, the drive unit including at least one rotor and at least one reset element that is coupled with the rotor with a first end in a rotationally fixed manner and is fixated to the frame unit with a second end in a rotationally fixed manner, wherein the at least one reset element is implemented so as to be plate-shaped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.