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:
Jan. 31, 2017
Filed:
Dec. 21, 2013
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Kenichirou Koga, Dongguan, CN;
KYOCERA CORPORATION, Kyoto-Shi, Kyoto, JP;
Abstract
A drill may have a cutting tip and a holder located on a rear end portion side of the cutting tip. The cutting tip has two cutting edges located away from each other at a front end portion, two flutes respectively extending from the first cutting edge and the second cutting edge toward the rear end portion, two side surfaces respectively extending from the first flute and the second flute toward a front side in a rotation direction, and two constraining surfaces respectively extending from the first side surface and the second side surface in a tilt direction with respect to the rotation direction. The first side surface and the second side surface are asymmetric with respect to a central axis, and the first constraining surface and the second constraining surface are point symmetric with respect to the central axis in a front end view.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile