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. 05, 2010
Filed:
Jan. 03, 2007
Applicants:
Yu-shan Lee, Taichung, TW;
Kenny Lin, Taichung, TW;
Inventors:
Yu-Shan Lee, Taichung, TW;
Kenny Lin, Taichung, TW;
Assignee:
Hiwin Technologies Corp., Taichung, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 1/24 (2006.01); F16H 55/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circulating member for a ball screw is disposed on a nut, the nut is formed with Gothic type threads, and the circulating member of the ball screw is formed with return path for enabling the balls to circulate. The connecting ports at both ends of the return path for connecting the threads of the nut are shaped in Gothic style, thus eliminating the level difference and consequently preventing the balls from being struck and jammed.