Method and Means for Inspection Bore Surfaces in Elongate Articles.
DEPARTMENT OF THE NAVY WASHINGTON D C
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The patent relates to an instrument for the inspection of bore surfaces of elongate articles, such as the spar cavities of helicopter blades. This is accomplished by moving the article relative to and telescopically over a longitudinally fixed conventional borescope or the like. This enables the operator to remain seated at his inspection station while controlling the movement of the article, ensuring an easier, quicker and more thorough inspection.
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