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. 01, 2009
Applicant:
Katsura Koyagi, Kashiwara, JP;
Inventor:
Katsura Koyagi, Kashiwara, JP;
Assignee:
JTEKT Corporation, Osaka-Shi, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 3/03 (2006.01); F16C 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ball spline includes a connecting part of a cage of a spline nut has a turning ball receiving part adapted to receive balls which are turning from a no-load raceway part, and a turned ball receiving part adapted to receive the balls which are forwarded to a main passage after turning. An outer diameter of the turning ball receiving part is made larger than an outer diameter of the turned ball receiving part.