Machine for mounting and proofing printing plates

Claim 1

A MACHINE FOR MOUNTING AND PROOFING PRINTING PLATES COMPRISING A MAIN FRAME, A PAIR OF PILLOW BLOCKS MOUNTED ON THE TOP OF SAID FRAME AND HAVING AXIALLY AND HORIZONTALLY ALIGNED SHAFT BEARING SEATS REACH TO ROTATABLY RECEIVE ONE END OF THE SHAFT OF A PLATE CYLINDER, A ORINTING PLATE ALIGNED MECHANISM INCLUDING A VERTICAL TRANSPARENT REST SHEET FOR PRINTING PLATE, A SUPPORTING STRIP TO BE SEPARABLY ATTACHED TO THE UPPER EDGE OF THE FLEXIBLE PRINTING PLATE, A VERTICAL HOLDER FOR SAID SUPPORT STRIP AND SAID TRANSPARENT REST SHEET, AND MEANS MOUNTING THE HOLDER ON THE TOP OF THE FRAME AT ONE SIDE OF THE COMMON AXIS OF SAID BEARING SEATS INCLUDING A BASE BAR MOVABLE HORIZONTALLY ON THE TOP OF THE FRAME TOWARD AND FROM THE COMMON AXIS OF SAID BEARING DEATS AND ON WHICH SAID HOLDER IS MOUNTED FOR MOVEMENT LONGITUDINALLY OF SAID AXIS, SAID SUPPORT STRIP AND SAID VERTICAL HOLDER HAVING COACTING PORTIONS FOR MAGNETICALLY SLIDABLY MOUNTING SAID SUPPORT STRIP ON SAID VERTICAL HOLDER, WHEREBY A PRINTING PLATE MAY BE SUSPENDED FROM SAID SUPPORT STRIP BETWEEN SAID REST PLATE AND A PLATE CYLINDER MOUNTED ON SAID PILLOW BLOCKS FOR ALIGNMENT OF THE PRINTING PLATE WITH AND APPLICATIONS TO SAID PLATE CYLINDER.