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Underground pipe inspection device and method

United States Patent

February 24, 2009
View the Complete Patent at the US Patent & Trademark Office
A method and apparatus for inspecting the walls of an underground pipe from inside the pipe in which an inspection apparatus having a circular planar platform having a plurality of lever arms having one end pivotably attached to one side of the platform, having a pipe inspection device connected to an opposite end, and having a system for pivoting the lever arms is inserted into the underground pipe, with the inspection apparatus oriented with the planar platform disposed perpendicular to the pipe axis. The plurality of lever arms are pivoted toward the inside wall of the pipe, contacting the inside wall with each inspection device as the apparatus is conveyed along a length of the underground pipe.
Germata; Daniel Thomas (Wadsworth, IL)
Operations Technology Development, NFP (Des Plaines, IL)
11/ 314,621
December 21, 2005
The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of DOE Cooperative Agreement No. DE-FC26-04NT42266 awarded by the U.S. Department of Energy.