Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yu-Shan Lee0
Kenny Lin0
Date of Patent
January 5, 2010
0Patent Application Number
116195700
Date Filed
January 3, 2007
0Patent Primary Examiner
Patent 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.
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