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:
Jun. 13, 2017
Filed:
Jul. 18, 2013
Applicant:
Milwaukee Electric Tool Corporation, Brookfield, WI (US);
Inventor:
Douglas W. Allen, Pewaukee, WI (US);
Assignee:
MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B 51/02 (2006.01); B23B 51/00 (2006.01);
U.S. Cl.
CPC ...
B23B 51/009 (2013.01); B23B 51/0081 (2013.01); B23B 2231/0204 (2013.01); B23B 2240/00 (2013.01); B23B 2251/02 (2013.01); B23B 2251/54 (2013.01); Y10T 408/78 (2015.01); Y10T 408/906 (2015.01);
Abstract
A power tool accessory includes a shank member having a first hardness. A conically-shaped body is coupled to the shank member and includes a series of stepped shoulders that increase in diameter from a tip portion to a base portion. A flute extends substantially from the tip portion to the base portion, with cutting edges defined at the intersection of the flute and the shoulders. The body has a second hardness greater than the first hardness.