ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,373, issued on Sept. 30.

"Hip adductor and abductor machine" was invented by Chien Chang Tseng (Zhangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hip adductor and abductor machine, wherein an action structure is installed on both sides of a device frame; the action structure comprises a pivot rotatably pivoted on the device frame, and rotating arms are installed on the pivot; one end of a resistance structure is connected to the device frame, and the other end thereof is provided with a connecting hook; when the device is in an abduction function state, two ends of a retractable elastic resistance rope are fixed on the rotating arms...