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:
Oct. 29, 1991
Filed:
Sep. 19, 1990
Applicant:
Inventors:
Assignee:
NTN Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
464111 ; 464168 ;
Abstract
A homokinetic universal joint having an outer ring formed in its inner surface with three axial track grooves, a tripod member inserted in the outer ring and having three legs, and guide blocks pivotally and axially slidably mounted on the respective legs and received in the respective track grooves. The guide blocks are formed in each side thereof with a ball circulating passage having straight raceways. A plurality of balls are rollingly received in each ball circulating passage. The track grooves are formed at both sides thereof with raceway grooves extending parallel to the axis of the track grooves to guide the balls along the straight raceways.