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Straddle inspection system

  • US 5,638,420 A
  • Filed: 07/03/1996
  • Issued: 06/10/1997
  • Est. Priority Date: 07/03/1996
  • Status: Expired due to Term
First Claim
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1. An apparatus for radiographic inspection of vehicles and large containers comprising,a movable, inverted U-shaped frame having first and second parallel vertical sides spaced apart by a distance greater than a container to be inspected,means for moving the frame relative to a container to be inspected,a penetrating radiation source disposed on a first side of the frame having a beam directed toward the second side,a detector disposed to record radiation traversing the space between the sides, producing a radiographic signal indicative of material in the space, andmeans for summing radiographic signals along a dimension of the container thereby forming a radiographic image of the contents of the container.

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