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:
Feb. 26, 2019
Filed:
Jun. 03, 2015
Sumitomo Electric Hardmetal Corp., Itami-shi, JP;
Yusuke Koike, Itami, JP;
Kouki Matsubara, Itami, JP;
Katsuya Nakakihara, Itami, JP;
Atsuhiko Maeta, Itami, JP;
Sumitomo Electric Hardmetal Corp., Itami-shi, JP;
Abstract
A cutting tool including: a tool body () provided with an insert support seat () including a major seat surface () that supports a bearing surface of a cutting insert, a plurality of seat side surfaces () that supports side surfaces of the cutting insert at different positions, and a thinned portion () continuous with the major seat surface and the seat side surfaces; and a cutting insert attached to the insert support seat, wherein a ridge at a position where the major seat surface and the thinned portion intersect, a ridge at a position where the seat side surface and the thinned portion intersect, and a ridge at a position where the thinned portions continuous with each other intersect are each formed of a convex arc curved surface.