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:
May. 01, 2001
Filed:
Feb. 09, 2000
Applicant:
Inventor:
John M. Cole, Oxford, MI (US);
Assignee:
Cole Carbide Industries, Inc., Warren, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B 5/100 ;
U.S. Cl.
CPC ...
B23B 5/100 ;
Abstract
A spade drill is provided including a V-shaped drill cutting end and a pair of reaming edges on each side thereof. The reaming edges have a relatively large radius of curvature and generally define a flat portion at the apex of the reaming edges. The junction between the drill cutting end and the reaming edges has a misblended radius.