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. 04, 2008
Filed:
Oct. 17, 2003
Yasuhisa Yamada, Gunma-ken, JP;
Yasuhisa Yamada, Gunma-ken, JP;
NSK Ltd., Tokyo, JP;
Abstract
In a telescopic shaft for vehicle steering which is installed in a steering shaft of a vehicle and in which a male shaft () and a female shaft () are fitted to each other to be incapable of mutual rotation and capable of sliding, at least one set of torque transmitting members () are interposed between at least one set of grooves () formed on the outer peripheral surface of the male shaft and on the inner peripheral surface of the female shaft to be extended in the axial direction to face each other and at least one projection () formed to be axially concentric with at least one of the grooves () extending in the axial direction on the outer peripheral surface of the male shaft is fitted in at least one of the grooves () extended in the axial direction of the female shaft through a gap in the radial direction.