ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,516, issued on Nov. 18, was assigned to MAKITA Corp. (Anjo, Japan).

"Brushless motor, electric work machine, and brushless-motor manufacturing method" was invented by Mitsuo Suenaga (Anjo, Japan) and Keita Mizukoshi (Anjo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A brushless motor (6) includes: a rotor (25), which rotates about a rotational axis (AX); and a stator (24), which is disposed around the rotor and comprises one or more coils (29). The rotor comprises a rotor core (31) and a rotor shaft (33), which is disposed in a shaft hole (60) of the rotor core. The rotor shaft includes: a thinner-diameter force-fitting segment (82), which ...