ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,571, issued on Dec. 9, was assigned to HARMONIC DRIVE SYSTEMS INC. (Tokyo).
"Gear skiving process method" was invented by Norio Shirokoshi (Azumino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a gear skiving process method, a tooth-cutting process is performed on a surface to be cut of a workpiece using a first skiving cutter disposed at a first processing position on the surface to be cut and a second skiving cutter disposed at a second processing position set apart by 180deg in a circumferential direction from the first processing position. Parts that are to be right tooth flanks of internal teeth to be created in the surface to be cut ...