US Patent Issued to NSK on Nov. 4 for "Method and device for sealing grease into ball screw device, ball screw device, method for producing ball screw device, method for producing linear actuator, method for producing vehicle brake, and method for producing vehicle" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,714, issued on Nov. 4, was assigned to NSK LTD. (Tokyo).

"Method and device for sealing grease into ball screw device, ball screw device, method for producing ball screw device, method for producing linear actuator, method for producing vehicle brake, and method for producing vehicle" was invented by Ryo Tamura (Fujisawa, Japan) and Kouhei Dobashi (Fujisawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A grease filling method for a ball screw device includes the steps of covering an outer periphery of a screw shaft protruding from one end portion of a nut with a covering member, supplying grease to a portion between a nut inner peripheral sur...