ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,085, issued on Nov. 4, was assigned to Nanjing Chervon Industry Co. Ltd. (Nanjing, China).
"Impact tool and control method" was invented by Lianghua Ni (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An impact tool includes: an impact mechanism for applying an impact force to an output shaft; and a controller configured to control a motor. The controller is configured to: after the impact mechanism applies the impact force to the output shaft, determine, according to a load parameter of the output shaft in one or more impact cycles, that a fastener is in a fastening state and control the motor to enter a shutdown state. The load parame...