发明名称 |
Electric toothbrush and brush head for an electric toothbrush |
摘要 |
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. |
申请公布号 |
US8813292(B2) |
申请公布日期 |
2014.08.26 |
申请号 |
US201113098692 |
申请日期 |
2011.05.02 |
申请人 |
Braun GmbH |
发明人 |
Driesen Georges;Schmid Michael;Schaefer Norbert;Reick Hansjoerg;Schamberg Stefan;Thurnay Eva Susanne;McGarry Rory |
分类号 |
A46B9/04;A61C17/22 |
主分类号 |
A46B9/04 |
代理机构 |
|
代理人 |
Colbert John P. |
主权项 |
1. A brush head for an electric toothbrush comprising:
a bristle support having mounting means for 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; wherein the plurality of bristle tufts are attached to the bristle support at points of attachment such that there is a continuous, annular bristle free zone located between the outer ring and the middle ring and between the middle ring and the central area; wherein 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 four 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 nested within the middle ring and 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. |
地址 |
Kronberg DE |