ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,951, issued on Aug. 12, was assigned to Murata Machinery Ltd. (Kyoto, Japan).
"Upper die and machining system" was invented by Katsumasa Hattori (Inuyama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An upper die is movable through a die guide rail on a lower portion of a ram in a press machine and a connection rail connected to the die guide rail. The upper die includes, on right and left sides of a center portion as viewed in a front-rear direction, protrusions that protrude in the front-rear direction and move while being guided by grooves included in the die guide rail and the connection rail. The protrusions each include an outer guided...