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:
Jul. 15, 2025
Filed:
Mar. 31, 2021
Makino Milling Machine Co., Ltd., Tokyo, JP;
MAKINO MILLING MACHINE CO., LTD., Tokyo, JP;
Abstract
A tool (T) is provided with: a shaft-like tool body () having a first end portion () extending along a central axis line (Ot) and attached to a main shaft, and a second end portion () on an opposite side to the first end portion (); and a fore end portion () connected to the second end portion () of the shaft-like tool body (). The fore-end portion () includes a central portion () including a fore-end face () of the tool (T), and a plurality of blade portions () protruding radially outward from the central portion (). A cutting blade of each blade portion () includes a main cutting blade () adjacent to the fore-end face (). The main cutting blade () includes an outline that forms an angle of 30-150 degrees with respect to the central axis line (Ot) in a cross-sectional view including the central axis line (Ot).