ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,584, issued on April 21, was assigned to Guangdong Wanrui Electromechanical Technology Co. Ltd (Dongguan, China).
"Multi-motor fitness device" was invented by Shengju Zheng (Dongguan, China), Yuanzhi Hu (Dongguan, China) and Meiyu Zheng (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention pertains to a fitness device comprising a resistance resource; a winding reel; a rally rope; a rotating member coaxially connecting to the winding reel, one end of the rally rope connecting to the winding reel, the other end cooperates with the pulling action of a user, the resistance source drives the winding reel to rotate so that the ra...