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US Patent 7103985 Stringer check fixture and method

Patent 7103985 was granted and assigned to Roll forming on September, 2006 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Current Assignee
‌
Roll forming
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
71039851
Patent Inventor Names
Lee Jay Scriber1
Gary L. Crawford1
William T. Johnson1
Tristan D. Barnett1
Allen L. Phillips1
Dennis I. Breidenbach1
Date of Patent
September 12, 2006
1
Patent Application Number
110157361
Date Filed
December 17, 2004
1
Patent Primary Examiner
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Christopher W Fulton
1
Patent abstract

An aircraft frame stringer is checked against designed specifications using a set of templates with stringer-engaging, upwardly-facing surfaces that match the designed contours of sections of the stringer at different locations along the length of the stringer. The templates are removably supported in mutually aligned and spaced relationship on a base assembly. The stringer is placed on the templates and measurements are made to determine if the stringer contours at the different locations match, within acceptable tolerance limits, the template contours at those locations. A computer model is used to determine the contours of the sections of the stringer at the desired locations thereon and to control the operation of a CNC machine for machining the templates.

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