ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,365, issued on Feb. 10, was assigned to Columbia Insurance Co. (Omaha, Neb.).

"Bearing assembly for tufting machine cutting attachment" was invented by Roy Chapman (Adairsville, Ga.) and David Voyles (Cleveland, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shaft assembly has a shaft and a journal bearing that is fixedly coupled to the shaft so that rotation of the shaft causes corresponding rotation of the journal bearing. A bearing race has an inner surface that defines a cylindrical bore and a lubrication groove that extends radially outward from the cylindrical bore. The journal bearing is rotatably disposed within the cylindrical bore ...