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:
Sep. 10, 2013
Filed:
May. 28, 2007
Applicants:
Masaharu Hori, Kuwana, JP;
Masaaki Toda, Kuwana, JP;
Inventors:
Masaharu Hori, Kuwana, JP;
Masaaki Toda, Kuwana, JP;
Assignee:
NTN Corporation, Osaka-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 32/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a fluid dynamic bearing device in which an assembly of a bearing sleeve to a housing is facilitated and which has excellent moment rigidity. A fluid dynamic bearing device () includes radial bearing parts (Rand R) and thrust bearing parts (Tand T). Thrust bearing surfaces (C and D) are respectively provided to first and second step surfaces (and) of a housing (), and the thrust bearing parts (Tand T) are respectively formed between the thrust bearing surfaces (C and D) and end surfaces (and) of seal members (and) provided while protruding to an outer diameter side of a shaft member ().