ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,444, issued on June 24, was assigned to JU HE INDUSTRY Co. LTD. (Taichung, Taiwan).
"Impact powered torque wrench" was invented by Ting-Yuan Chen (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An impact powered torque wrench has a force-applying rod. The force-applying rod is connected to a transmission rod. A transmission shaft is disposed in the transmission rod. Two ends of the transmission shaft are connected to a head unit and a drive unit, respectively. A trip unit and an adjustment unit are provided between the force-applying rod and the transmission rod. An impact unit is provided between the transmission shaft and the driv...