BRUSH FOR A SONIC TOOTHBRUSH WITH LONGITUDINAL AXIS OSCILLATION
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United States of America
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Issued Date -
Nov 21, 2024
app pub date -
Sep 14, 2022
filing date -
Sep 14, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A brush includes an elongated base body having a base portion that provides an adapter for rotationally fixed coupling to a sonic toothbrush drive in order to pivotally oscillate the brush about a base portion longitudinal axis. A bristle support is formed on a head portion of the elongate base body, and bristles extend from the head portion at least substantially perpendicularly. A neck portion connects the base portion and the head portion. The elongated base body bends at a bend angle γ formed by the base portion longitudinal axis and a head portion orientation axis in the range of 7° to 17°. The bristle support has a deflection A in the range of 5% to 15% with reference to a length L of the base body. At least a portion of the bristles has a value σx in the range from 0.1 to 10 MPa.
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