ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,615, issued on April 7, was assigned to Sodick Co. Ltd. (Kanagawa, Japan).
"Wire electric discharge machining apparatus" was invented by Hirotoshi Inoue (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wire electric discharge machining apparatus includes a wire electrode and upper and lower guide devices guiding the wire electrode, and includes: a power conductor moving in a first direction as a horizontal axis direction and supplying power by contacting the wire electrode; and a fixing device fixing the power conductor in the lower guide device and switchable between a fixed state, in which a movement of the power conductor relativ...