ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,873, issued on Feb. 10, was assigned to KITAGAWA IRON WORKS Co. LTD. (Hiroshima, Japan).
"Automatic jig replacement system" was invented by Tamio Nishimiya (Fuchu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An automatic jig replacement system includes a detection device, a robot, a bolt tightening/loosening device, and a control device. The detection device is configured to be capable of detecting a predetermined part of a jig. The robot is configured to be capable of conveying the jig. The bolt tightening/loosening device is configured to be capable of tightening/loosening a bolt for securing the jig. The control device determines a bolt ...