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:
Aug. 04, 1998
Filed:
Feb. 16, 1996
Applicant:
Inventors:
Osamu Shimizu, Iwata, JP;
Hisaaki Kura, Iwata, JP;
Shigeyoshi Ishiguro, Kakegawa, JP;
Shuji Mochinaga, Iwata, JP;
Katsuyuki Ikei, Fukuroi, JP;
Masami Yamaguchi, Iwata, JP;
Kenichi Nakano, Hamana-gun, JP;
Morihisa Yoshioka, Shizuoka, JP;
Assignee:
NTN Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
464145 ; 464906 ;
Abstract
A homokinetic joint which can be manufactured at low cost. Its outer ring and inner ring has a spherical inner surface and a spherical outer surface both formed with a plurality of track grooves in which are received torque transfer balls retained by a cage. The spherical inner surface and the track grooves of the outer ring are finished by plastic working, so that no additional finishing work is necessary. Thus, the outer ring can be manufactured at low cost.