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:
Dec. 28, 2004
Filed:
Nov. 18, 2002
Yu-Cheng Chou, Tu-Chen, TW;
Chin-Hung Chang, Tu-Chen, TW;
Hon Hai Precision Ind. Co., Ltd., Taipei Hsien, TW;
Abstract
A bearing device ( ) for a motor ( ) includes a bearing set ( ) and a shaft ( ). The bearing set includes first and second bearings ( ), which are made of sintered metallic material and ceramic material respectively. An annular recess ( ) is defined in one end of the first bearing. The second bearing is received in the recess. Each bearing defines a central hole ( ). The central holes have a same diameter. The motor includes a rotor ( ), a stator ( ), and a bearing sleeve ( ). In assembly, one end of the shaft is fixed in a center of the rotor. The second bearing is inserted into the recess. The bearing set is fixed within the bearing sleeve. The stator is fixed around the bearing sleeve. The shaft is rotatably received in the central holes. During operation, the shaft rotates smoothly and stably in the bearing set.