Fluid operated fountain blade

Claim 1

A QUICK CUT-OFF INK FOUNTAIN FOR A PRINTING PRESS COMPRISING A FOUNTAIN TROUGH HAVING A BASE AND A FOUNTAIN ROLLER JOURNALLED IN THE RTOUGH, A FOUNTAIN BLADE ON THE BASE NORMALLY SPACED FROM AND ADJUSTABLY MOUNTED FOR WIPING CONTACT WITH THE ROLLER WHEN ELEVATED THERETO, A FOUNTAIN STRIP BETWEEN THE BASE AND BLADE AND HAVING THEREIN A PLUNGER PASSAGE NORMAL TO THE BLADE LENGTH, PLUNGER MEANS COMPRISING TWO COAXIAL, AXIALLY SPACED PLUNGER SECTIONS IN SAID PASSAGE CONNECTED TO THE BLADE, BOTH PLUNGER SECTIONS HAVING FLUID SEALS BETWEEN THEM AND THEIR PASSAGE, AND SAID PASSAGE AND PLUNGER SECTIONS HAVING A FLUID ENTRY BETWEEN THE SECTIONS AND THE PLUNGER MEANS INCLUDING MEANS EXTENDING BETWEEN THE SECTIONS TO TRANSMIT MECHANICAL PRESSURE BETWEEN THE SECTIONS IN THE ABSENCE OF FLUID PRESSURE, LONGITUDINAL MOVEMENT OF THE PLUNGER MEANS ADJUSTING THE BLADE ADJACENT THERETO IN SPACED RELATION TO THE ROLLER, MANUAL MEANS TO EFFECT SAID MOVEMENT, MEANS TO ADMIT FLUID PRESSURE THROUGH SAID ENTRY BETWEEN THE PLUNGER SECTIONS, THE PRESSURE OPERATING THE PLUNGER SECTION ADJACENT THE BLADE TO PRESS THE BLADE INTO ROLLER CONTACT WITHOUT DISTRUBING THE ADJUSTMENT OF THE PLUNGER SECTION REMOTE FROM THE BLADE.