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:
Nov. 05, 2013
Filed:
Jan. 13, 2010
Charles E. Kalomeris, East Longmeadow, MA (US);
Joseph Thomas Novak, East Longmeadow, MA (US);
William B. Korb, Broad Brook, CT (US);
Christopher F. Fitzgerald, Belchertown, MA (US);
Charles E. Kalomeris, East Longmeadow, MA (US);
Joseph Thomas Novak, East Longmeadow, MA (US);
William B. Korb, Broad Brook, CT (US);
Christopher F. Fitzgerald, Belchertown, MA (US);
Irwin Industrial Tool Company, Huntersville, NC (US);
Abstract
A hole cutter for cutting a work piece, such as a wood and/or metal work piece, has a substantially cylindrical blade body defining a wall thickness within the range of about 0.032 inch to about 0.038 inch, and a cutting edge formed on one end of the blade body including a plurality of teeth defining an average tooth pitch within the range of about 3.5 TPI to about 5.5 TPI for cutting the work piece and forming chips therefrom. The substantially cylindrical blade body and cutting edge define an average tooth pitch to blade body thickness ratio of at least about 110.