Electric toothbrush
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 13, 2016
Issued Date -
N/A
app pub date -
Jun 25, 2014
filing date -
Aug 29, 2006
priority date (Note) -
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Abstract
An electric toothbrush includes an inner case, made up of an inner case main body and a motor holder, mounted with various components including a motor; an outer case which interiorly accommodates the inner case and which acts as a portion the user grips with hand when brushing teeth; an eccentric shaft, configured by a shaft main body and an eccentric member, which center of gravity is arranged at a position shifted from a shaft center and which rotates by a drive force of the motor; and a vibration transmitting component for transmitting the vibration generated with the rotation of the eccentric shaft to a brush portion; where the vibration transmitting component is positioned with respect to the outer case by point contacting the inner wall surface of the outer case at a plurality of locations.
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