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:
Jan. 01, 2013
Filed:
Jul. 13, 2006
Ryoichi Tokioka, Osaka, JP;
Hiroji Ueda, Osaka, JP;
Mitsuharu Ozaki, Osaka, JP;
Hiroaki Sougumo, Osaka, JP;
Ryoichi Tokioka, Osaka, JP;
Hiroji Ueda, Osaka, JP;
Mitsuharu Ozaki, Osaka, JP;
Hiroaki Sougumo, Osaka, JP;
JTEKT Corporation, Osaka, JP;
Abstract
A telescopic shaft () has an inner shaft () and a tubular outer shaft () that are fitted to each other so that they can move relative to each other in the axial direction and that they can transmit torque to each other. A plurality of balls () are aligned between respective raceway grooves () of the inner shaft () and the outer shaft (). Limiting mechanisms (A;B) are provided that limit the amount of relative rotation to not more than a predetermined amount of the inner shaft () and the outer shaft () when a ball () comes off the raceway grooves (). The limiting mechanisms (A;B) include a pair of engagement sections () engageable with each other in a circumferential direction (C). The engagement sections () are provided at ridges () and recesses () that are adjacent to the raceway grooves () of the inner shaft () and the outer shaft (), respectively.