Inspection apparatus for underground channels
AssigneeKabushiki Kaisha Kantool
InventorKiyoshi Hasegawa
Life of this patent
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Abstract
An inspection apparatus for underground channels such as sewer pipes and conduits for communication or electric cables and many other conduits for various utilities. The apparatus has a television camera which is adjustable in its position in accordance with the size of an underground channel, and a reversible motor which rotates V belts to advance and retract the apparatus in the underground channels. The television camera and the movement of the apparatus is controlled at a remote place.
Claims5
An inspection apparatus for underground channels comprising a chassis which has pulleys at the end portions thereof, endless V belts engaged with said pulleys, a reversible motor having a driving shaft, a television camera at one end portion of said chassis, means for adjusting the position of said television camera in accordance with the size of said channels, and cable means for remotely operating and controlling said television camera and said reversible motor.
Dependencies are inferred from the claim text.