Automatic sheet moisture probe positioner

Claim 1

A MOISTURE GAUGE FOR MEASURING THE MOISTURE IN A CONTINUOUS TRAVELING SHEET HAVING OPPOSITE EDGES IN THE TRAVELING DIRECTION, SAID GAUGE SCANNING ACROSS SAID SHEET AND AT TIMES MOVING OFF SAID SHEET FOR ADJUSTMENT, A CARRIAGE, A MOISTURE RESPONSIVE PROBE PROVIDING AN INDICATION OF SAID MOISTURE WHEN ADJACENT TO SAID SHEET, MEANS FOR MOUNTING SAID PROBE ON SAID CARRIAGE AWAY FROM THE PLANE OF SAID SHEET, MEANS FOR MOVING SAID CARRIAGE ACROSS SAID SHEET TO SCAN SAID SHEET WITH SAID PROBE AND TO MOVE SAID PROBE OFF-SHEET, EDGE DETECTING MEANS RESPONSIVE TO THE MOVEMENT OF SAID PROBE FROM AN OFF-SHEET POSITION ACROSS ONE OF SAID EDGES TO INDICATE WHEN SAID PROBE IS OVER SAID SHEET, AND MEANS COUPLED TO SAID EDGE DETECTING MEANS FOR AUTOMATICALLY MOVING SAID PROBE TOWARD THE PLANE OF SAID SHEET WHEN SAID EDGE DETECTING MEANS INDICATES THAT SAID PROBE IS BETWEEN SAID SHEET EDGES.