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. 19, 2020
Filed:
Jun. 30, 2015
Applicant:
Ntn Corporation, Osaka, JP;
Inventor:
Ritsuki Sakihara, Shizuoka, JP;
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/64 (2006.01); F16D 3/205 (2006.01); C21D 6/00 (2006.01); F16C 13/00 (2006.01); C21D 9/38 (2006.01); C21D 9/40 (2006.01); F16C 19/46 (2006.01); F16C 23/08 (2006.01); F16D 3/202 (2006.01); F16C 29/04 (2006.01);
U.S. Cl.
CPC ...
F16C 33/64 (2013.01); C21D 6/00 (2013.01); C21D 9/38 (2013.01); C21D 9/40 (2013.01); F16C 13/006 (2013.01); F16D 3/2055 (2013.01); F16C 19/466 (2013.01); F16C 23/08 (2013.01); F16C 29/045 (2013.01); F16D 2003/2026 (2013.01); F16D 2250/0038 (2013.01); F16D 2250/0053 (2013.01); F16D 2300/10 (2013.01); Y10S 464/905 (2013.01);
Abstract
Provided is a tripod type constant velocity universal joint (), including: an outer joint member () having track grooves () formed at trisected positions in a circumferential direction to extend in an axial direction; a tripod member () including leg shafts () radially projecting from trisected positions in the circumferential direction; and rollers () fitted in a freely rotatable manner about the leg shafts (), respectively, and received in the track grooves (), respectively, in which a radially outer surface () of each of the rollers () is formed of a surface unsubjected to grinding or cutting work after heat treatment.