MUMBAI, India, May 2 -- Intellectual Property India has published a patent application (202517023562 A) filed by Thk Co. Ltd., Tokyo, on March 17, for 'ball screw.'
Inventor(s) include Amemiya Yohei; and Hayashi Yuki.
The application for the patent was published on May 2, under issue no. 18/2025.
According to the abstract released by the Intellectual Property India: "Provided is a ball screw capable of connecting a circulation trajectory of a three-dimensionally formed circulation groove to a spiral trajectory such that the tangential direction is substantially continuous. A ball screw (1) comprises a screw shaft (2) having a spiral groove (2a), a nut (3) having a spiral groove, and a plurality of balls (4) placed between the spiral groo...