ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,485, issued on May 27, was assigned to CITIZEN WATCH Co. LTD. (Tokyo) and CITIZEN MACHINERY Co. LTD. (Nagano, Japan).
"Coolant supply device and machine tool" was invented by Koichi Yabe (Kitasaku-gun, Japan), Tadayasu Shida (Kitasaku-gun, Japan), Yosuke Ando (Kitasaku-gun, Japan) and Shinpei Kai (Kitasaku-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a coolant supply device and a machine tool in which ejection of a coolant is easily switched on and off. A coolant supply device 10 for supplying a coolant to a workpiece machining area in a machine tool, the coolant supply device comprising: a rotary nozzle 40 formed to have a...