Imprinting device movable between inking and printing positions

Claim 1

IN AN IMPRINTER, A PLATEN, AN INK PAD ALONGSIDE THE PLATEN IN A PLANE SUBSTANTIALLY TRANSVERSE TO THAT OF THE PLATEN, A DRIVE SHAFT PARALLEL TO AND ADJACENT TO THE LINE OF INTERSECTION BETWEEN SAID PLANES, AN ACTUATING ARM SECURED TO AND EXTENDING RADIALLY FROM SAID SHAFT, A PRINTING HEAD PIVOTED TO THE END OF SAID ARM ON AN AXIS PARALLEL TO SAID SHAFT, MEANS FOR ROCKING SAID SHAFT TO SWING THE PRINTING HEAD BETWEEN A PRINTING POSITION AND AN INKING POSITION, AND MEANS FOR ROTATING THE PRINTING HEAD ON ITS PIVOT AS IT SWINGS SO THAT IT ENCOUNTERS BOTH THE PLATEN AND THE PAD IN FACE-ON RELATIONSHIP, SAID LAST-NAMED MEANS COMPRISING A STEM CARRIED BY AND EXTENDING PERPENDICULARLY REARWARD FROM SAID PRINTING HEAD, AND A GUIDE SLIDABLY ENGAGING THE REAR REGION OF SAID STEM, SAID GUIDE BEING MOUNTED FOR ROTATIVE MOVEMENT ON A FIXED AXIS PARALLEL TO SAID DRIVE SHAFT AND EQUIDISTANT FROM SAID PLATEN AND PAD.