A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 17/22 (2006.01) A46B 9/04 (2006.01)
Patent
CA 2742911
The invention is directed generally to an electric toothbrush and particularly to a brush head for such an electric toothbrush, having a preferably substantially plate-shaped 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 tufts there is formed a central depression which has a groove-shaped concave bottom curved in one direction and extending substantially straight in the direction vertical thereto. According to the invention, at least one of the outer bristle tufts has a chamfer on its outer lying edge of its free end close to the circumferential side of the bristle support.
L'invention concerne en général une brosse à dents électrique et en particulier une tête pour ce type de brosses. Cette tête comprend un support de soies de préférence sensiblement en forme de plaque, pourvu de moyens de montage permettant le montage mobile de ce support de soies, ledit support comportant plusieurs touffes de soies externes et plusieurs touffes de soies internes, les touffes externe présentant une hauteur supérieure à celle des touffes internes, de sorte que, sur la surface de travail définie par les extrémités libres des touffes, soit formé un creux central présentant un fond concave en forme de rainure courbé dans un sens et s'étendant sensiblement droit dans le sens vertical. Selon l'invention, au moins une des touffes de soies externes présente un biseau sur le bord couché externe de son extrémité libre à proximité du côté circonférentiel du support de soies.
Driesen Georges
Mc Garry Rory
Reick Hansjoerg
Schaefer Norbert
Schamberg Stefan
Braun Gmbh
Dimock Stratton Llp
LandOfFree
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