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:
Oct. 06, 2015
Filed:
Mar. 28, 2011
Masaharu Hori, Kuwana, JP;
Jun Hirade, Kuwana, JP;
Tatsuya Hayashi, Kuwana, JP;
Yasuhiro Yamamoto, Kuwana, JP;
Natsuhiko Mori, Kuwana, JP;
Fuminori Satoji, Kuwawa, JP;
Toshiaki Niwa, Kuwana, JP;
Tetsuya Kurimura, Kuwana, JP;
Kimihiko Bito, Kuwana, JP;
Masaharu Hori, Kuwana, JP;
Jun Hirade, Kuwana, JP;
Tatsuya Hayashi, Kuwana, JP;
Yasuhiro Yamamoto, Kuwana, JP;
Natsuhiko Mori, Kuwana, JP;
Fuminori Satoji, Kuwawa, JP;
Toshiaki Niwa, Kuwana, JP;
Tetsuya Kurimura, Kuwana, JP;
Kimihiko Bito, Kuwana, JP;
NTN CORPORATION, Osaka-shi, JP;
Abstract
Providing a fluid dynamic bearing device, wherein the outer member comprises a member formed by a pressing process on a plate member, the radial bearing surface and at least the one of the thrust bearing surfaces of the outer member being formed by the pressing process, and wherein at least a part of the inner member, which forms the radial bearing surface and the thrust bearing surfaces of the inner member, is made of a sintered metal.