ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,772, issued on June 23, was assigned to Nanjing Chervon Industry Co. Ltd. (Nanjing, China).
"Impact tool" was invented by Shuai Chen (Nanjing, China) and Hongtao Ke (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An impact tool includes: an electric motor including a drive shaft rotating about a first axis; an impact member configured to be driven by the electric motor; an output mechanism configured to be provided with an impact force by the impact member; a transmission mechanism disposed between the electric motor and the impact member and transmitting torque outputted by the drive shaft to the impact member; and a power supply con...