ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,870, issued on May 6, was assigned to Shoji Aoyama (Osaka, Japan).
"Projection nut feeder" was invented by Shoji Aoyama (Osaka, Japan) and Yoshitaka Aoyama (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air cylinder is joined to a guide pipe via a joining member. A stopper member is arranged in a position where the guide pipe and a feed pipe for feeding a projection nut are coupled to form a temporary locking chamber of the nut. A sliding rod is integrated with a smaller diameter guide rod and enters a screw hole. Relative positions of the temporary locking chamber and a feed rod are set such that the screw hole of the nut stopped i...