Jun Shimoyama,Yasutaka Murase,Tadashi Tone,Yuji Asada
申请号：
US12377355
公开号：
US08793829B2
申请日:
2007.07.09
申请国别(地区):
US
年份:
2014
代理人:
摘要：
An electric toothbrush capable of suppressing loss of vibration energy while suppressing the vibration of the portion a user grips with hand is provided. In an electric toothbrush including 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.
