A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 17/22 (2006.01) A46B 9/04 (2006.01)
Patent
CA 2742773
The invention is directed generally to an electric toothbrush and particularly to a brush head for such an electric toothbrush. The brush head comprises bristle support including mounting means for the movable mounting of the bristle support, said bristle support carrying several outer bristle tufts and several inner bristle tufts, said outer bristle tufts having a greater height than said inner bristle tufts, such that in the working surface defined by the free ends of the inner and outer bristle tufts there is formed a central depression which has a groove-shaped concave bottom continuously curved in one direction and extending sub-stantially straight in the direction vertical thereto. According to the invention, a step-shaped jump in height is provided between the central depression and said outer bristle tufts with the greater height.
L'invention concerne en général une brosse à dents électrique et en particulier une tête pour ce type de brosses à dents. La tête de brosse selon l'invention comprend un support de soies pourvu de moyens de montage permettant le montage mobile du support de soies, ledit support soutenant plusieurs touffes de soies externes et plusieurs touffes de soies internes, les touffes de soies externes présentant une hauteur supérieure à celle des touffes de soies internes, de sorte que, sur la surface de travail définie par les extrémités libres des touffes de soies internes et externes, soit formé un creux central présentant un fond concave en forme de rainure courbé de façon continue dans un sens et s'étendant sensiblement droit dans le sens vertical. Selon l'invention, un relèvement en forme de marche en hauteur est formé entre le creux central et les touffes de soies externes présentant la plus grande hauteur.
Driesen Georges
Mc Garry Rory
Reick Hansjoerg
Schaefer Norbert
Schamberg Stefan
Braun Gmbh
Dimock Stratton Llp
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