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:
Mar. 16, 2010
Filed:
Dec. 21, 2006
Cheng-fang Hsiao, Taipei Hsien, TW;
Ye-fei Yu, Shenzhen, CN;
Cheng-Fang Hsiao, Taipei Hsien, TW;
Ye-Fei Yu, Shenzhen, CN;
Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Shenzhen, Guangdong Province, CN;
Foxconn Technology Co., Ltd., Tu-Cheng, Taipei Hsien, TW;
Abstract
A vibration motor includes a housing, a stator () received in the housing () and a rotor () rotatably disposed in the stator. The stator includes two claw-pole assemblies () arranged back-to-back, and a shaft () being fixedly connected with the two claw-pole assemblies. The rotor includes a bearing () rotatably mounted around the shaft, a permanent magnet () mounted around the bearing, and an eccentric weight () fixedly attached to the permanent magnet. The eccentric weight includes a main body () and at least one inserting portion () having a density higher than that of the main body.