ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,008, issued on June 3, was assigned to MAKITA Corp. (Anjo, Japan).
"Electric work machine" was invented by Kei Kouda (Anjo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric work machine includes a brushless motor shortened in the direction of a motor shaft and allowing the rotational balance of a rotor to be easily adjustable. The electric work machine includes a brushless motor including a stator and a rotor, and at least one motor bearing supporting the rotor in a rotatable manner. The rotor includes a magnet being cylindrical and a magnet holder being hollow cylindrical or solid cylindrical. The magnet holder has a recess recessed ...