The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2026
Filed:
Sep. 01, 2025
Yamazaki Mazak Corporation, Niwa-gun, JP;
YAMAZAKI MAZAK CORPORATION, Niwa-gun, JP;
Abstract
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 generate negative pressure due to first air to suck a first oil-containing fluid through a first collection flow channel; and a second ejector that generates negative pressure due to second air to suck a second oil-containing fluid through a second collection flow channel. The flow control valves include a first flow control valve configured to adjust a flow rate of the first air; and a second flow control valve configured to adjust a flow rate of the second air.