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.

Date of Patent:
Jul. 24, 2018

Filed:

Dec. 20, 2016
Applicant:

Diamond Innovations, Inc., Worthington, OH (US);

Inventors:

Dwight Dyer, Kingston, OH (US);

Cory Carpenter, Columbus, OH (US);

David Miller, Galloway, OH (US);

Assignee:

DIAMOND INNOVATIONS, INC., Worthington, OH (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B 51/02 (2006.01); B23K 26/362 (2014.01); B23K 26/402 (2014.01); B23K 101/00 (2006.01); B23K 103/00 (2006.01);
U.S. Cl.
CPC ...
B23B 51/02 (2013.01); B23K 26/362 (2013.01); B23K 26/402 (2013.01); B23B 2226/315 (2013.01); B23B 2251/18 (2013.01); B23B 2251/48 (2013.01); B23K 2201/002 (2013.01); B23K 2203/50 (2015.10);
Abstract

A drill bit for a drill includes at least one flute having a rake face including a flute edge and at least one cutting edge having a profile that extends along at least a portion of a length of the cutting edge, the rake face extending from the cutting edge. A chip breaker formed in the rake face, the chip breaker being a continuous groove located adjacent the cutting edge, the groove having a starting end and an exit end opening into the flute edge, the starting end having a depth that is less than a depth of the exit end of the groove, wherein a shape of the groove at the starting end is different from a shape of the groove at the exit end.


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