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.:

US 7625122 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 01, 2009

Filed:

Dec. 14, 2004
Applicants:

Ching-hsing Huang, Tu-Cheng, TW;

Wun-chang Shih, Tu-Cheng, TW;

Hsien-sheng Pei, Tu-Cheng, TW;

Inventors:

Ching-Hsing Huang, Tu-Cheng, TW;

Wun-Chang Shih, Tu-Cheng, TW;

Hsien-Sheng Pei, Tu-Cheng, TW;

Assignee:

Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 32/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fluid dynamic bearing includes a bearing member () axially defining an inner bearing hole therein, and a spindle shaft () rotatably received in the bearing hole with a bearing clearance formed between an inner periphery of the bearing member and an outer periphery of the spindle shaft. Lubricant is filled in the bearing clearance. One of the inner periphery and the outer periphery comprises a bearing surface () with channels formed therein. The channels form a plurality of outer communication ends () at opposite sides of the bearing surface in the axial direction of the bearing member.


Find Patent Forward Citations

Huang, Ching-Hsing. (2009). Fluid dynamic bearing (U.S. Patent No. 7625122). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7625122

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