Roll top matrix loader

Claim 1

A TIRE RETREADING APPARATUS COMPRISING A PLURALITY OF MATRIX SUPPORTS DISPOSED IN A LINE, EACH OF SAID MATRIX SUPPORTS BEING GENERALLY C-SHAPED IN SIDE ELEVATION AND HAVING A BASE, AN UPRIGHT AND A CANTILEVERED UPPER MATRIX SUPPORT MEMBER, MATRICES MOUNTED ON SAID MATRIX SUPPORT IN SPACED RELATION, AND A MATRIX LOADER, COOPERATING MEANS ON SAID MATRIX SUPPORTS AND SAID MATRIX LOADER MOUNTING SAID MATRIX LOADER FOR MOVEMENT ALONG THE LINE OF MATRIX SUPPORTS FOR COOPERATION WITH INDIVIDUAL ONES OF SAID MATRICES TO AID IN OPENING AND CLOSING SAID MATRICES FOR THE PURPOSE OF LOADING AND UNLOADING SAID MATRICES, SAID MATRIX LOADER CARRYING BEAD ALIGNING MEANS INCLUDING OPPOSED VERTICALLY SPACED UPPER AND LOWER BEAD ALIGNERS ALIGNED WITH THE LINE OF MATRIX SUPPORTS FOR COOPERATION WITH EACH OF SAID MATRICES FROM ABOVE AND BELOW.