Bristle driven pulsation

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12257118
APP PUB NO 20200368003A1
SERIAL NO

16878407

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Importance

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Abstract

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An electric toothbrush having bristle driven pulsation includes a brush head having a bristle holder and bristle tufts attached to the bristle holder. The bristle tufts and corresponding bristles are disposed at a perpendicular and/or a non-perpendicular angle with respect to a mounting surface of the brush head. The electric toothbrush also includes an electric toothbrush handle removably attached to the brush head. The electric toothbrush handle includes a linear motor configured to drive the bristle holder via a gearing structure coupled to the linear motor and the bristle holder. The linear motor causes the bristle holder to rotate clockwise and counterclockwise at a rotation frequency which exceeds a rotation frequency threshold (e.g., 100 Hz, 120 Hz, etc.). The linear motor also causes the brush head to vibrate in a direction toward and away from a contact surface in synchronization with the rotation of the bristles.

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Patent Owner(s)

Patent OwnerAddress
BRAUN GMBHKRONBERG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Altmann, Niclas Niddatal, DE 44 926
Claire-Zimmet, Karen Lynn Kronberg, DE 28 512
Fritsch, Thomas Eppstein, DE 89 1856
Schaefer, Norbert Frankfurt am Main, DE 72 1417

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