ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,750, issued on Sept. 8, was assigned to Chint Low Voltage Electrical Technology Co. Ltd. (China).
"Operating mechanism" was invented by Leilei Xing (Shanghai), Zhibin Qin (Shanghai), Dasheng Xu (Shanghai) and Jiangtao Wang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An operating mechanism includes a main shaft rotatably mounted on a side plate, and a swinging member arranged on the main shaft. The side plate has a limiting shaft blocking the rotation of the swinging member. A rotatable blocking member and an elastic member connected to the blocking member are on the swinging member. The swinging member drives the blocking member around ...