Apparatus and method for determining a dimensional...

Details Apparatus and method for determining a dimensional... Apparatus and method for determining a dimensional...

2011-08-16

2011-08-16

Le, Que T (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

C250S559300

Reexamination Certificate

active

07999243

ABSTRACT:
A tool determines a characteristic of an installed weld fastener using a dimensional measurement device, and includes a threaded portion engageable with the weld fastener and a cylindrical portion. A controller is in communication with the measurement device, and calculates the characteristic using raw dimensional data provided by the measurement device. The measurement device determines an approximate centerline of the cylindrical portion to thereby determine the raw dimensional data. A method determines the approximate centerline using the measurement device by connecting a threaded surface of a tool to the installed weld fastener, measuring dimensions of the cylindrical portion via the measurement device to determine the set of raw dimensional data, and determining the characteristic using the raw dimensional data. A control action can be executed when the characteristic is outside of a calibrated range.

REFERENCES:
patent: 2801472 (1957-08-01), Davidiak et al.
patent: 6427356 (2002-08-01), Schamal

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