Geometrical instruments – Distance measuring – Opposed contacts
Patent
1990-10-05
1992-03-17
Cuchlinski, Jr., William A.
Geometrical instruments
Distance measuring
Opposed contacts
33806, 33504, 33554, 33784, 364563, G01B 706, G01B 702
Patent
active
050956388
ABSTRACT:
A portable measuring system for making a series of thickness measurements of a material such as an aircraft skin and for determining therefrom the sizes and quantities of standard size fasteners required for fastening the material. For each measurement, a fixed probe is inserted through a hole in the material so as to engage an inner surface of the material, and a slidable probe engages an outer surface of the material to measure the material's thickness. Each measurement is compared to a table stored in associated data processing equipment to relate the measured thickness to the applicable standard fastener size. The sizes and numbers of standard fasteners required are accumulated over the series of measurements and displayed to the user.
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David Donald W.
Montero Stephen A.
Anderson Terry J.
Block Robert B.
Cuchlinski Jr. William A.
Hoch Jr. Karl J.
Northrop Corporation
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