ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,016, issued on Oct. 28, was assigned to MAKITA Corp. (Anjo, Japan).
"Core drill" was invented by Tomohiko Imae (Anjo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A core drill includes: a motor having a rotor, which is rotatable relative to a stator about a rotational axis extending in the front-rear direction; a speed-reducing mechanism, which is disposed more forward than the stator; an output shaft, at least a portion of which is disposed more forward than the speed-reducing mechanism and which, in the state in which a core bit is mounted thereon, is rotated by the rotational force of the rotor transmitted via the speed-reducing mechanism...