ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,835, issued on July 1, was assigned to NT TOOL Corp. (Takahama, Japan).
"Cooling medium spray device" was invented by Hitoshi Ishikawa (Takahama, Japan) and Hiroyuki Suzuki (Kariya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A body member (110) of a coolant medium spray device (100) is attachable to a main shaft (10) of a machine tool. A rotating part of a pump (300) is connected to the body member. The body member and the rotating part are rotatably supported within an interior space of a support part, which may be constituted by a cover (210), a case (220) and a ring member (225). When the body member is attached to the main shaft, the su...