Scope for viewing the internal surface of a bore or similar cavi

Details Scope for viewing the internal surface of a bore or similar cavi Scope for viewing the internal surface of a bore or similar cavi

1977-04-25

1979-01-23

Corbin, John K.

Optics: measuring and testing

Inspection of flaws or impurities

Bore inspection

350 9610, 356397, 356378, G01B 1122

Patent

active

041358244

ABSTRACT:
A scope which is for viewing the internal surface of a bore or similar cavity and which includes a rod having a viewing end and an image transmitting end. The rod is formed of optically clear light transmitting material through which the internal surface of a bore or similar cavity at the image transmitting end of the rod is viewed from the viewing end of the rod. The transmitting end of the rod includes an optical surface paralleling the axis of the rod. A pair of circular gauging indicators are formed on the optical surface and are spaced a selected distance apart along the axial direction of the rod to permit a selected part of the internal surface of the bore to be viewed between the indicators for measuring purposes.

REFERENCES:
patent: 3413067 (1968-11-01), Froio
patent: 3724922 (1973-04-01), Jones

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