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Electric toothbrush with 2 partial systems with respective brush heads and common oscillation drive with central drive shaft
Electric toothbrush with 2 partial systems with respective brush heads and common oscillation drive with central drive shaft
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机译:电动牙刷带2个部分系统,分别带有刷头和带有中央驱动轴的通用振动驱动器
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摘要
The electric toothbrush has 2 adjacent brush heads (3,4), each provided with an elastic neck (5,6), for forming 2 partial systems (1,2), held together by a coupling part (7) fitted to a drive housing acting as a handle (14) and oscillated via a central drive shaft (8), providing phase-shifted oscillation movements of the brush heads perpendicular to their longitudinal axes.
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