Road gauge

Claim 1

A PAVEMENT SURFACE LINE CONTOUR GAUGING DEVICE COMPRISING IN COMBINATION AN ELONGATE LIGHT WEIGHT SUBSTANTIALLY STRAIGHT FRAME, A PAIR OF SPACED STRING-LINE SUPPORTING MEANS ON SAID FRAME, A STRING-LINE SUPPORTED BY AND SPANNING THE SPACE BETWEEN SAID STRING-LINE SUPPORTING MEANS, A PLURALITY OF PAVEMENT ENGAGING WHEELS SUPPORTING SAID FRAME, ONE OF SAID WHEELS BEING DISPOSED BENEATH EACH ONE OF SAID STRING-LINE SUPPORTS AND SAID STRINGLINE, SAID STRING-LINE BEING SUPPORTED IN PARALLEL RELATION TO AN IMAGINARY STRAIGHT LINE EXTENDING BETWEEN THE POINTS OF SAID PAVEMENT SURFACE CONTACTED BY SAID TWO WHEELS BENEATH SAID STRING-LINE SUPPORTS AND STRING-LINE, GUIDE MEANS SUPPORTED ON SAID FRAME INTERMEDIATE ITS ENDS AND ADJACENT SAID STRING-LINE, A FLOATING SCALE VERTICALLY SLIDEABLE IN SAID GUIDE MEANS ADJACENT AND IN COOPERATIVE INDICATING RELATION TO SAID STRING-LINE AND HAVING A SWIVEL