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:
Jul. 28, 2026
Filed:
Mar. 11, 2022
Applicant:
Ntn Corporation, Osaka, JP;
Inventors:
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 3/205 (2006.01);
U.S. Cl.
CPC ...
F16D 3/2055 (2013.01); F16D 2200/0021 (2013.01); F16D 2250/0053 (2013.01); Y10S 464/905 (2013.01);
Abstract
In a tripod type constant velocity universal jointof a double roller type, R/PCD≥0.0850 and t/PCD≥0.145, where PCD is a pitch circle diameter of a roller guide surfaceof an outer joint member, R is a radius of curvature at an intermediate portion between a body portionand a leg shaftof a tripod member, and t is a minimum distance from a large-diameter portionof a splineof the tripod memberto an intermediate portion