US Patent Issued to Jun Shao on Dec. 30 for "Torque screwdriver" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,697, issued on Dec. 30, was assigned to Jun Shao (Huangshan, China).

"Torque screwdriver" was invented by Jun Shao (Huangshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the technical field of screwdrivers. Specifically, the torque screwdriver includes a screwdriver handle and an auxiliary scale ring; a screw rod is arranged inside the screwdriver handle; a bearing is arranged on a side surface of the screw rod; a main scale pipe is connected to an outer side of the bearing; an outer side of the main scale pipe is connected with the auxiliary scale ring; and a nut is arranged on an outer side of the auxili...