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. 01, 2015
Filed:
Oct. 24, 2013
Fuminori Satoji, Kuwana, JP;
Toshiyuki Mizutani, Kuwana, JP;
Tetsuya Yamamoto, Kuwana, JP;
Isao Komori, Ama-gun, JP;
Tetsuya Kurimura, Kuwana, JP;
Fuminori Satoji, Kuwana, JP;
Toshiyuki Mizutani, Kuwana, JP;
Tetsuya Yamamoto, Kuwana, JP;
Isao Komori, Ama-gun, JP;
Tetsuya Kurimura, Kuwana, JP;
NTN CORPORATION, Osaka-shi, JP;
Abstract
A fluid dynamic bearing device () includes: a shaft member (); a housing () as an outer member which is arranged on a radially outer side of the shaft member () and is opened at both ends; a radial bearing gap which is formed on a radially inner side of the housing () and faces an outer peripheral surface of the shaft member (); and a lid member () closing an opening on one end side of the housing (), wherein the lid member () is fitted to an outer peripheral surface of the housing () with a fastening allowance which does not affect accuracy of a surface defining an outer diameter dimension of the radial bearing gap so that the housing () and the lid member () are bonded and fixed to each other.