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:
Aug. 09, 2022
Filed:
Apr. 03, 2019
Applicant:
A.l.m.t. Corp., Tokyo, JP;
Inventors:
Sakuya Tanaka, Kato, JP;
Koji Sawa, Kato, JP;
Assignee:
A.L.M.T. Corp., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23D 77/02 (2006.01);
U.S. Cl.
CPC ...
B23D 77/02 (2013.01); B23D 2277/04 (2013.01); B23D 2277/105 (2013.01); B23D 2277/62 (2013.01);
Abstract
A reamer includes a core, a plurality of outer-circumference cutting edges provided on an outer circumference of the core and made of a hard tool material, and a margin provided on a rear side of each the plurality of outer-circumference cutting edges in a rotational direction. A distance from an axis of rotation to a position of a center of gravity of the reamer is greater than 0.01 mm and not greater than 0.5 mm.