ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,029, issued on June 2.
"Throwing training device" was invented by Xingyu Zhou (Ji'an, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a throwing training device, which includes a frame, a lifting seat, and a hinged component. The hinged component is connected to the frame and the lifting seat, the hinged component is configured to fix the frame to the lifting seat and to move the frame around the hinged component. The throwing training device has an unfolded configuration and a storage configuration, which can adapt to the needs of different throwing events through a shape adjustment, and is convenience to use an...