ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,834, issued on July 29, was assigned to JUKI Corp. (Tama, Japan).

"Chain-off thread cutter" was invented by Eiji Fukumori (Tokyo), Tsuyoshi Hanada (Tokyo), Kazuhiro Mitani (Tokyo) and Atsushi Shiraishi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A chain-off thread cutter for cutting a chain-off thread formed by a sewing machine. The chain-off thread cutter including: a fixed blade; a movable blade that moves toward and away from the fixed blade; a driving unit that drives the movable blade to move the movable blade; a foreign matter detector that detects foreign matter present in a track of the movable blade; and a control unit that stops ...