ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,247, issued on Feb. 3, was assigned to DONGGUAN RIJIE ELECTRONIC TECHNOLOGY Co. LTD. (Guangdong, China) and SHENZHEN ENVISION TECHNOLOGY INNOVATION Co. LTD. (Guangdong, China).

"Double-claw driving mechanism" was invented by Quan Zhao (Dongguan, China) and Lang Cun (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a double-claw driving mechanism. The double-claw driving mechanism comprises a housing, a driving plate and a driving device; the housing is provided with a horizontal guide groove; the driving plate is arranged in the guide groove, a swing arm is installed at each of two ends of the driving plate, and a lower en...