ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,950, issued on June 30, was assigned to MAKITA Corp. (Anjo, Japan).
"Driver drill and hammer driver drill" was invented by Takao Kuroyanagi (Anjo, Japan), Taisei Osawa (Anjo, Japan) and Tetsuya Watanabe (Anjo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A driver drill may include: a motor; an output part provided forward of the motor and driven by the motor; a speed reduction mechanism disposed between the motor and the output part; a motor bracket disposed between the motor and the speed reduction mechanism; a housing that houses the motor and the motor bracket; an element provided above the motor or the speed reduction mechanism; and a le...