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:
May. 04, 2010
Filed:
Mar. 09, 2006
Applicants:
Junichi Izumino, Iwata, JP;
Minoru Ishijima, Iwata, JP;
Inventors:
Junichi Izumino, Iwata, JP;
Minoru Ishijima, Iwata, JP;
Assignee:
NTN Corporation, Osaka-fu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 3/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A tripod constant velocity universal joint includes among others an inner joint member having a bossand journalsradially protruding from the boss, a radius of curvature Ras viewed in a cross section of a journal bottom partconnecting the bossto the journaland as measured at opposing locations in a circumferential direction of the joint is larger than a radius of curvature Rof the journal bottom part as viewed in its cross section and as measured at opposing locations in an axial direction of the joint and Rgradually decreases down to R.