Samuel L Zelinka

US Patent:

20080126008, May 29, 2008

Filed:

Nov 28, 2007

Appl. No.:

11/998116

Inventors:

Douglas R. Rammer - Janesville WI, US
Samuel L. Zelinka - Madison WI, US

Assignee:

United States as represented by the Secretary of Agriculture - Washington DC

International Classification:

G01B 11/28
G06F 15/00

US Classification:

702156

Abstract:

A method and apparatus are provided for the determination of a surface area of a fastener, such as a threaded fastener. Specifically, an image of the fastener is acquired, and the image is separated into at least two regions, for instance three regions, and the surface area of each region is determined. The surface areas determined for each region are summed to determine the surface area of the fastener.