ELECTRIC TOOTHBRUSH HEAD AND SHAFT COUPLER CONFIGURED TO CONNECT TOOTHBRUSH HEAD AND POWER OUTPUT SHAFT
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United States of America Patent
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Issued Date -
Jun 13, 2019
app pub date -
Aug 22, 2018
filing date -
Dec 12, 2017
priority date (Note) -
Published
status (Latency Note)
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Abstract
Disclosed are an electric toothbrush head and a shaft coupler configured to connect a toothbrush head and a power output shaft. The shaft coupler includes a connection member (1) and an elastic member (2). The connection body (1) of the connection member (14) is disposed with two openings (143, 144) extending along an axial direction, the two openings (143, 144) are configured to divide at least one section of the connection body (14) into two opposite clamping portions (141, 142) along the axial direction and the elastic member (2) is sleeved at an outer periphery of the two clamping portions (141, 142) for applying an elastic force which is capable of making the two clamping portions (141, 142) vibrate the power output shaft in the two clamping portions (141, 142). The toothbrush head includes a bar and the shaft coupler.
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