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. 19, 2008
Filed:
May. 06, 2005
Tohru Nakagawa, Shizuoka-ken, JP;
Masazumi Kobayashi, Shizuoka-ken, JP;
Takaaki Shibata, Shizuoka-ken, JP;
Tohru Nakagawa, Shizuoka-ken, JP;
Masazumi Kobayashi, Shizuoka-ken, JP;
Takaaki Shibata, Shizuoka-ken, JP;
NTN Corporation, Osaka, JP;
Abstract
In a drive shaft which is installed in a mounted type vehicle designed to traverse uneven terrains and which transmits drive power to the wheels through constant velocity joints on the inboard and outboard sides, a double offset type constant velocity joint is used on the inboard side and an undercut free type constant velocity joint is used on the outboard side, the ratio of the PCD of the double offset type constant velocity joint to the ball diameter (PCD/d=r) being in the range 3.0<r<3.2.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile