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:
Apr. 23, 2013
Filed:
Feb. 01, 2012
Applicants:
Yoshifumi Shige, Kashiba, JP;
Satoshi Kondo, Okazaki, JP;
Yasuhiro Ohta, Kitanagoya, JP;
Inventors:
Assignee:
JTEKT Corporation, Osaka-Shi, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 29/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ball screw unit includes a screw shaft that includes a screw groove, a ball screw nut that is screwed to the screw shaft via balls and that rotates to move the screw shaft linearly in an axial direction of the screw shaft, a hollow shaft that rotates together with the ball screw nut, a housing that rotatably supports the hollow shaft via a rolling bearing, and an elastic member that is provided at a position between the rolling bearing and the housing.