ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,170, issued on Sept. 22, was assigned to OMRON Corp. (Kyoto, Japan).
"Trigger switch" was invented by Takumi Fujihara (Kyoto, Japan), Kazushi Maeta (Kyoto, Japan), Yohei Tsukanaka (Kyoto, Japan) and Taiki Koyama (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a trigger switch that is incorporated into an electric device such as a power tool and drives a drive part such as a drive motor of the electric device, and is capable of adjusting the force required to press a trigger. A trigger switch TS includes a trigger 1 that moves from a release position in a pulling direction in response to a pulling operation, and a return spr...