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:
Apr. 15, 2003
Filed:
Mar. 29, 2001
Tatsuro Sugiyama, Shizuoka-ken, JP;
Hisaaki Kura, Shizuoka-ken, JP;
Masayuki Kuroda, Osaka-fu, JP;
Haruo Nagatani, Shizuoka-ken, JP;
NTN Corporation, Osaka-fu, JP;
Abstract
A constant velocity universal joint comprises an outer joint member formed with three track grooves having roller guide surfaces arranged in circumferentially opposed relation to each other, a tripod member having three radially projecting trunnions , rollers inserted in the track grooves , and rings fitted on the trunnions to support the rollers for rotation, the rollers being movable along the roller guide surfaces axially of the outer joint member , wherein the roller is composed of a set of annular roller portions and and a plurality of balls are interposed between outer raceway surfaces formed in rows each in the inner periphery of the annular roller portion and two rows of inner raceway surfaces formed in the outer periphery of the ring