ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,010, issued on June 2, was assigned to SHANGHAI SHIFT ELECTRICS Co. LTD. (Shanghai).

"Cleaning and caring appliance and transducing apparatus thereof" was invented by Xiaoguo Dai (Shanghai) and Zhenwu Xu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning and caring appliance and a transducing apparatus thereof. A transducer includes a transducer frame and magnets attached to the transducer frame, an elastic assembly and a drive shaft, the elastic assembly includes a transmission arm and an elastic piece held by the transmission arm, and the transmission arm is fixedly connected to the drive shaft, the elastic piece has an outer edge ...