SCOTT ROBERT WILLS,ALEXANDRA KULAS,FRANCISCUS JOZEF BOSMAN,PIETER JOHANNES BAX
申请号：
US16381141
公开号：
US20190231500A1
申请日:
2019.04.11
申请国别(地区):
US
年份:
2019
代理人:
摘要：
A power toothbrush apparatus may include a body having a cavity and an opening leading to the cavity. An electric motor may be situated within the cavity and may include first and second biasing members； a stator casing situated between, and linearly biased by, the first and second biasing members, the stator casing may further include at least one opening and at least one electromagnet to generate a magnetic field； and a rotor which may have opposed ends and which may extend through the at least one opening of the stator casing, the rotor may further include an output shaft. The power toothbrush may further include a workpiece having a brush head coupled thereto and which may be coupled to one of the opposed ends of the output shaft.
