ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,632, issued on Sept. 15, was assigned to YAMAZAKI MAZAK Corp. (Niwa-gun, Japan).
"Spindle lubricator of machine tool, machine tool, and use method of machine tool" was invented by Kimihiko Sato (Niwa-gun, Japan), Takayuki Oka (Niwa-gun, Japan) and Mayato Tanaka (Niwa-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A spindle lubricator of a machine tool includes a rotation body configured to hold a tool; bearings; a housing; a fluid mixture supplier; and a collector that collects an oil-containing fluid. The collector includes collection flow channels, ejectors, and flow control valves. The ejectors include a first ejector configured to ge...