Tunnel scanner

FIG. 1 is a front, top, left isometric view of a tunnel scanner showing the new design, shown, illustratively with a checkstand;

FIG. 2 is a front, top, left isometric view of the tunnel scanner;

FIG. 3 is a front side elevation view thereof, the rear side elevation view being a duplicate;

FIG. 4 is a cross-sectional view of FIG. 3 taken along line 4 - 4 ;

FIG. 5 is a left side elevation view thereof, the right side elevation view being a duplicate; and,

FIG. 6 is a top plan view thereof.

The broken line showing of a checkstand in FIG. 1 is to depict environmental context only and is not claimed. The elements in dashed lines showing in FIGS. 1-4 are for illustrative purposes only and form no part of the claimed design. The bottom view is not claimed, and is therefore omitted.