DEVICE FOR PHOTOGRAMMETRIC SURVEY OF VERTICAL OPENINGS AND LARGE-DIAMETER WELLS Russian patent published in 2007 - IPC G01C11/00 

Abstract RU 2301404 C1

FIELD: mining.

SUBSTANCE: device for photogrammetric survey comprises base rack made of two movable members, rotatable unit for connecting the telescopic rod, digital camera mounted in the top section of the rod, system of blocks for guiding ropes, and measuring belt mounted on the tripod.

EFFECT: expanded functional capabilities.

11 dwg

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RU 2 301 404 C1

Authors

Gusev Vladimir Nikolaevich

Golovanov Viktor Afanas'Evich

Volokhov Evgenij Mikhajlovich

Voluevich Natalija Mikhajlovna

Dates

2007-06-20Published

2006-02-20Filed