Invention Grant
- Patent Title: Electric toothbrush and brush head for an electric toothbrush
- Patent Title (中): 电动牙刷和刷头用于电动牙刷
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Application No.: US13098692Application Date: 2011-05-02
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Publication No.: US08813292B2Publication Date: 2014-08-26
- Inventor: Georges Driesen , Michael Schmid , Norbert Schaefer , Hansjoerg Reick , Stefan Schamberg , Eva Susanne Thurnay , Rory McGarry
- Applicant: Georges Driesen , Michael Schmid , Norbert Schaefer , Hansjoerg Reick , Stefan Schamberg , Eva Susanne Thurnay , Rory McGarry
- Applicant Address: DE Kronberg
- Assignee: Braun GmbH
- Current Assignee: Braun GmbH
- Current Assignee Address: DE Kronberg
- Agent John P. Colbert
- Priority: EP08019330 20081105
- Main IPC: A46B9/04
- IPC: A46B9/04 ; A61C17/22

Abstract:
A brush head for an electric toothbrush is disclosed. The brush head includes a bristle support having mounting means for the movable mounting of the bristle support and a plurality of bristle tufts arranged on the bristle support in at least one outer ring and one middle ring, the middle ring being nested within the outer ring and having a central area. The outer ring includes outer bristle tufts having an elongated tuft cross-section, which outer bristle tufts are mounted on opposing sides of the outer ring. The middle ring includes at least two middle bristle tufts that each have a cross-section that is smaller than the cross-section of the outer bristle tufts and a central area including at least one bristled section that consists of two center bristle tufts having a cross-section larger than the cross-section of the middle bristle tufts. The center bristle tufts each having an elongated, substantially kidney-shaped form that complement each other so that the bristled section of the central area has an approximately circular, oval or elliptical structure.
Public/Granted literature
- US20110239391A1 Electric Toothbrush And Brush Head For An Electric Toothbrush Public/Granted day:2011-10-06
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