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 8607442 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 17, 2013

Filed:

Oct. 07, 2011
Applicants:

Mitsuo Kodama, Shizuoka, JP;

Ryusuke Sugiki, Shizuoka, JP;

Akira Aoi, Shizuoka, JP;

Inventors:

Mitsuo Kodama, Shizuoka, JP;

Ryusuke Sugiki, Shizuoka, JP;

Akira Aoi, Shizuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P 19/00 (2006.01); G11C 5/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A disk drive device includes a hub, a base plate, and a bearing unit. The bearing unit includes a shaft housing member, joined to the hub, having a through-hole in the center, a shaft having a smaller diameter section and a larger diameter section, a radial dynamic pressure grooves, and a lubricant agent. The opening shape of bearing hole of the base plate is so formed as to be larger than the outer shape of the larger diameter section. In the bearing unit, the larger diameter section of the bearing unit is fixed by a hardening resin present between the bearing unit and the bearing hole.


Find Patent Forward Citations

Kodama, Mitsuo. (2013). Rotating apparatus capable of improving the shock resistance (U.S. Patent No. 8607442). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8607442

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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