DEVICE FOR VISUAL OBSERVATION AND MEASURING INNER SPACES Russian patent published in 2006 - IPC G01N21/954 G01B11/30 

FIELD: investigating or analyzing materials by the use of optical means.

SUBSTANCE: device comprises endoscope of side vision with measuring scale that is secured in the central flange provided with circular scale. The flange is set in the bushing at the outlet face of the space for permitting rotation of the flange together with the endoscope whose lens is mounted at the center of the space. The axis of sighting is positioned in the zone of ring weld joint that connects hemispheres of the space. The device is additionally provided with flexible passage for lightening internal surface of the space by flat laser beam under various angles. The passage for laser illumination is composed of semiconducting micro-laser mounted at the axis of gradient lens that is mounted at the outlet face of the light guide coincident with the back focus, second gradient lens mounted at the outlet face of the light guide, cylindrical lens, spherical lens, and flat mirror.

EFFECT: expanded functional capabilities.

5 dwg