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:
Mar. 23, 2010
Filed:
May. 15, 2007
Satoshi Araki, Osaka, JP;
Satoshi Araki, Osaka, JP;
JTEKT Corporation, Osaka-Shi, Osaka, JP;
Abstract
A cross joint is provided which is adapted to prevent a shaft portion and rollers from being damaged when a bearing cup having the rollers on an inner periphery thereof is assembled to a cross shaft. The cross joint includes: a cross shaftincluding four shaft portions; a closed-end cylindrical bearing cup; and plural needle rollershaving the first end portions thereof located on an opening side of the bearing cupand arranged along the raceway surface of the bearing cup. An inner periphery of the bearing cupincludes a tapered surface portion.increased in diameter toward the opening side. When the plural needle rollersarranged along the inner periphery of the bearing cupare fitted about the shaft portion, the tapered surface portionallows the needle rollersto incline as shifting the first end portions radially outwardly.