US Patent Issued to NSK on June 30 for "Ball screw device" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,166, issued on June 30, was assigned to NSK LTD. (Tokyo).

"Ball screw device" was invented by Kanta Sato (Kanagawa, Japan), Yasuaki Abe (Kanagawa, Japan) and Yasumi Watanabe (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ball screw device of the present disclosure includes: a screw shaft in which an outer peripheral raceway surface is provided on an outer peripheral surface; a nut into which the screw shaft is inserted and in which an inner peripheral raceway surface is provided on an inner peripheral surface; a plurality of balls arranged on a raceway between the outer peripheral raceway surface and the inner peripheral raceway s...