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:
Feb. 03, 2004
Filed:
Jun. 06, 2000
Applicant:
Inventors:
Hiroaki Makino, Shizuoka, JP;
Kazuhiro Muramatsu, Fukuroi, JP;
Kazuhiko Yoshida, Fukuroi, JP;
Akira Wakita, Iwata, JP;
Katsuyuki Ikei, Fukuroi, JP;
Hisaaki Kura, Iwata, JP;
Assignee:
NTN Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16D 3/20 ;
U.S. Cl.
CPC ...
F16D 3/20 ;
Abstract
A shaft member and an outer peripheral member disposed on the outer periphery of the shaft member are joined together by splines through which the teeth of the shaft member and the teeth of the outer peripheral member are fitted together. At one axial end of each spline a trough in the tooth of the shaft member is diametrically increased to provide a diametrically increased region S In this diametrically increased region S , there is defined a fit region F for the tooth of the shaft member and the tooth of the outer peripheral member