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:
Dec. 22, 1992

Filed:

Feb. 28, 1992
Applicant:
Inventors:

John M Gorse, Euclid, OH (US);

Joseph A Kovach, Aurora, OH (US);

Assignee:

Eaton Corporation, Cleveland, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ; B23B / ;
U.S. Cl.
CPC ...
408 22 ; 408224 ; 408713 ;
Abstract

A combined hole cutting and chamfering tool is provided that in a preferred embodiment referenced by numeral (100) features a body member (2) having a lead section ('A') to which is secured a cutting bit (4) having a machining element such as a hole cutting edge (6). Spaced axially from section ('A') is a chamfering section ('B') having at least one chamfer machining element such as cutting edge (12) of a cutting bit (14) facing towards section ('B') and at least one chamfer machining element such as cutting edge (8) of cutting bit (10) facing away from section ('A') and closer thereto than cutting edge (12). Tool (100) is operative to cut a hole (18) through a workpiece such as a plate and then chamfer edges surrounding the hole on opposite sides of the workpiece from one side without having to remove tool (100) from hole (18).


Find Patent Forward Citations

Loading…