Patent ID: 8525877
Filing Date: 2013-09-03
Classification: E03F,H04N

Abstract:
1. An apparatus for conducting remote subsurface inspections from above, comprising: a support structure adapted to be positioned above a working surface, said support structure having an articulating radial arm, said articulating radial arm having a pivot at one end and a coupling at the other end, said pivot having a rotation axis substantially normal to said working surface; a mast held by said coupling and born generally upright in use by said support structure, said mast having an extending portion that is downwardly extendable below the working surface and that has a mounting thereon; an imaging system held by said mounting on said extending portion of said mast; and an offsetting mechanism operative to displace said imaging system laterally from a vertical reference axis beneath said coupling when said extending portion of said mast has been extended below the working surface.