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. 18, 2020
Filed:
Feb. 25, 2016
Ntn Corporation, Osaka, JP;
Tatsuro Sugiyama, Shizuoka, JP;
Hiroaki Makino, Shizuoka, JP;
NTN Corporation, Osaka, JP;
Abstract
A tripod type constant velocity universal joint includes an outer joint member having track grooves, a tripod member including trunnion journals, and spherical rollers each fitted in a rotatable manner about each of the trunnion journals through intermediation of a plurality of needle rollers. A corner portion is formed at a root portion of each of the trunnion journals so as to restrict movement of the plurality of needle rollers in the axial direction toward the root portion of each of the trunnion journals by interference between an end surface corner rounded portion of each of the plurality of needle rollers and the corner portion at the root portion.