ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,758, issued on Jan. 27, was assigned to TPR Co. Ltd. (Tokyo).
"Piston ring cutting-off device" was invented by Keisuke Ito (Tokyo) and Seiji Miyazaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A retaining unit that retains a stack body in which piston rings are stacked in an axial direction, a cutting-out unit that delivers a piston ring at the tip end of the stack body from the stack body, and a detecting unit that detects a boundary between the piston rings that are adjacent to each other in the stack body are included, and the cutting-out unit includes a moving unit that moves a pushing-out unit and a restricting unit, and after insert...