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:
Aug. 07, 2007
Filed:
Jun. 24, 2005
Wun-chang Shih, Tu-Cheng, TW;
Huan-chao Lin, Tu-Cheng, TW;
Ching-hsing Huang, Tu-Cheng, TW;
Chien-long Hong, Tu-Cheng, TW;
Hsien-sheng Pei, Tu-Cheng, TW;
Wun-Chang Shih, Tu-Cheng, TW;
Huan-Chao Lin, Tu-Cheng, TW;
Ching-Hsing Huang, Tu-Cheng, TW;
Chien-Long Hong, Tu-Cheng, TW;
Hsien-Sheng Pei, Tu-Cheng, TW;
Foxconn Technology Co., Ltd., Tu-Cheny, Taipei Hsien, TW;
Abstract
A manufacturing tool () for forming a dynamic pressure groove () in an inner peripheral surface of a bearing sleeve () includes a tool shaft () for being rotated in a bore of the bearing sleeve while being moved in an axial direction thereof. Protrusions () are integrally and circumferentially arranged on an outer periphery of the tool shaft near a leading end () thereof. Machining tips () are integrally formed on outmost ends of the protrusions for machining the inner peripheral surface of the bearing sleeve to form the dynamic pressure groove therein.