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:
Aug. 19, 2014

Filed:

Sep. 28, 2012
Applicants:

Chunliang Hsiao, Troy, MI (US);

Stefano Lombardo, Shelby Township, MI (US);

Paul J. Bojanowski, Macomb, MI (US);

Inventors:

Chunliang Hsiao, Troy, MI (US);

Stefano Lombardo, Shelby Township, MI (US);

Paul J. Bojanowski, Macomb, MI (US);

Assignee:

Ford Global Technologies, LLC, Dearborn, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23F 21/12 (2006.01); B23F 21/22 (2006.01);
U.S. Cl.
CPC ...
B23F 21/226 (2013.01);
Abstract

A ring gear or pinion common outside chamfer tool and a common inside chamfer tool are disclosed. The common chamfer tools comprise a shank, a tip end and a chamfering edge. The shank is attachable to a gear cutter and has a tip end formed on the distal end thereof. The chamfering edge is positioned within the tip end and is configured to form a tooth top-land radius of multiple gear ratios. A method of designing a ring gear or pinion common outside chamfer tool and common inside chamfer tool for multiple gear ratios is also described.


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