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Apparatus for inspecting the interior of pipes

  • US 5,754,220 A
  • Filed: 04/26/1996
  • Issued: 05/19/1998
  • Est. Priority Date: 04/26/1996
  • Status: Expired due to Fees
First Claim
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1. Apparatus for inspecting the interior of a pipe comprising, a camera, a battery, means including cable means electrically connecting said battery and said camera for operating said camera to produce a camera output signal through said cable means to an end thereof spaced from said camera, cable storage means, support means supporting said cable storage means for rotation in opposite directions about an axis for extending and retracting said camera relative to said cable storage means, said end of said cable means and said battery being supported on said cable storage means for rotation therewith, camera output signal terminal means on said support means for connecting said camera output signal to receiving means, and means including relatively rotatable signal coupling means for transmitting said camera output signal from said end of said cable means to said terminal means.

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