ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,280, issued on June 17, was assigned to MAKITA Corp. (Anjo, Japan).
"Driving tool" was invented by Norikazu Baba (Anjo, Japan), Shun Kuriki (Anjo, Japan), Kazusa Fukuda (Anjo, Japan) and Masaya Nagao (Anjo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A preceding engaging portion preceding a last engaging portion has a smaller diameter or is positioned further inward than the last engaging portion. Because of this configuration, an engagement of the preceding engaging portion with respect to a last engaged portion becomes more easily disengageable in comparison to the last engaging portions. When the preceding engaging portion disengages fro...