Brush For Sonic Toothbrush With Longitudinal Axis Vibration
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United States of America Patent
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Issued Date -
Aug 22, 2024
app pub date -
Sep 14, 2022
filing date -
Sep 14, 2021
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Abstract
A brush for a sonic toothbrush with longitudinal axis vibration having an elongated base body has a frustoconical base portion with a drive adapter for rotation-fixed coupling to a sonic toothbrush drive with longitudinal axis vibration, and a head portion with a bristle support in which a plurality of bristles are anchored, and an elongated neck portion connecting the base portion and the head portion is disclosed. The base body forms a kink angle in that a geometric base portion longitudinal axis and a geometric head portion alignment axis include an angle γ in the range of 5° to 12°. A geometric kink position in the base body has a distance from an end face of the base portion of at least 50% of a total length of the base body.
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