The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 30, 2020
Filed:
Oct. 12, 2017
Jinlong Machinery & Electronics (Dongguan) Co., Ltd., Dongguan, Guangdong, CN;
Andian Huang, Guangdong, CN;
Junjie Huang, Guangdong, CN;
Min Deng, Guangdong, CN;
Zhu Wang, Guangdong, CN;
Yong Yue, Guangdong, CN;
JINLONG MACHINERY & ELECTRONICS (DONGGUAN) CO., LTD., Dongguan, Guaongdong, CN;
Abstract
A motor device includes a motor housing, a stator core having at least two poles fixedly installed in the stator housing symmetrically, a coil winding wound around the stator core, and an insulating coil holder for insulating the stator core from the coil winding, and the motor device further includes at least two pairs of magnetic steel structures cooperating with the stator core. All of the magnetic steel structures are fixedly connected to the periphery of the shaft coupling, and the shaft coupling is fixedly connected to the motor shaft. An electric toothbrush having the above motor device is further provided.