ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,243, issued on Aug. 26, was assigned to MILWAUKEE ELECTRIC TOOL Corp. (Brookfield, Wis.).
"Rotor assembly for an electric motor" was invented by Russell M. Rapant (Menomonee Falls, Wis.) and Andrew T. Beyerl (Pewaukee, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a molded rotor assembly for an electric motor includes providing a lamination stack, molding an insulative material to the lamination stack to form an integral fan and magnet retention coupled to the lamination stack, the lamination stack and the integral fan and magnet retention together forming a rotor body, and pressing a shaft into a central aperture formed in...