Adjustable wrap web guiding apparatus

Claim 1

WEB GUIDING APPARATUS COMPRISING FIRST AND SECOND ROLL MEANS FOR GUIDINGLY ENGAGING A WEB TRAVELING ALONG A GIVEN DIRECTION AND EXTENDING UNDER ONE OF SAID FIRST AND SECOND ROLL MEANS AND OVER THE OTHER WHEREBY THE DEGREE OF INTERFERENCE BETWEEN THE WEB ENGAGING PROFILES OF SAID FIRST AND SECOND ROLL MEANS AS VIEWED ALONG SAID DIRECTION OF WEB TRAVEL DETERMINES THE DEGREE OF WRAP OF SAID WEB THEREON, ROLL MOUNTING MEANS TO PROGRESSIVELY ADJUST THE PROFILE RELATIONSHIP OF SAID FIRST AND SECOND ROLL MEANS RELATIVE TO EACH OTHER BACK AND FORTH BETWEEN A FIRST CONDITION WHERE, AS BETWEEN SAID FIRST AND SECOND ROLL MEANS, THERE ARE RELATIVELY LOW DEGREES OF (1) SKEWING AND (2) PROFILE INTERFERENCE AND A SECOND CONDITION WHERE, AS BETWEEN SAID FIRST AND SECOND ROLL MEANS, THERE ARE RELATIVELY HIGH DEGREES OF (1) SKEWING AND (2) PROFILE INTERFERENCE, SAID ROLL MOUNTING MEANS INCLUDING MEANS TO SHIFT SAID FIRST AND SECOND ROLL MEANS BACK AND FORTH TOGETHER TRANSVERSE TO THE DIRECTION OF WEB TRAVEL INCIDENT TO SAID PROGRESSIVE ADJUSTMENT BACK AND FORTH BETWEEN SAID FIRST AND SECOND CONDITIONS.