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Multidirectional viewing borescope

  • US 4,699,463 A
  • Filed: 11/01/1985
  • Issued: 10/13/1987
  • Est. Priority Date: 11/01/1985
  • Status: Expired due to Fees
First Claim
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1. An elongated tubular inspection instrument having a longitudinal axis and a control head at a proximal end thereof and an objective assembly at the distal end thereof for viewing an object to be inspected comprising:

  • optic means located between said control head and said objective assembly for transmitting an image from said distal end to said control head; and

    said objective assembly including;

    an objective head for supporting a distal end of said optic means; and

    image conversion means rotatably mounted on said objective head about the longitudinal axis at an end distant from said control head for movement between first and second positions, said image conversion means including an image reflecting member and forward viewing means which are relatively fixed such that in said first position, said optic means is aligned with said forward viewing means and has an unhampered forward view whereby an image is received at said control head of an object positioned beyond said objective assembly, and such that in said second position, said image reflecting member is aligned with said optic means whereby an image is received at said control head of an object positioned laterally of said objective assembly; and

    said image conversion means being ineffective to transmit an image to said control head when positioned intermediate said first and second positions.

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