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. 11, 2012
Filed:
Aug. 31, 2006
Applicants:
Hideki Akamatsu, Iwata, JP;
Kenji Nakagawa, Okayama, JP;
Inventors:
Hideki Akamatsu, Iwata, JP;
Kenji Nakagawa, Okayama, JP;
Assignees:
NTN Corporation, Osaka, JP;
Uchiyama Manufacturing Corp., Okayama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/76 (2006.01); F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coreless seal arranged between a rotation shaft and an outer member has an inner diameter surface opposed to an outer diameter surface of the rotation shaft with a space for preventing leakage of fluid. The outer member has a flange bent inwardly. The coreless seal has an outer diameter and an inner diameter that are dimensions obtained by adding interference for an amount of thermal shrinkage as a whole dimension.