Method of and apparatus for straightening stacks of sheet material

Claim 1

A JOGGING DEVICE FOR STRAIGHTENING STACKS OF GENERALLY RECTANGULAR SHEETS, COMPRISING SUPPORT MEANS; A PAIR OF KNOCK-UP PLATES MOUNTED ON SAID SUPPORT MEANS GENERALLY PERPENDICULARLY TO ONE ANOTHER AND AT AN INCLINATION TO THE HORIZONTAL TO FORM AN UPWARDLY OPEN LONGITUDINALLY EXTENDING TROUGH; A PLURALITY OF LONGITUDINALLY SPACED PARTITIONS EXTENDING PERPENDICULARLY TO SAID PLATES AND SUBDIVIDING SAID TROUGH LONGITUDINALLY INTO A PLURALITY OF COMPARTMENTS, SAID PARTITIONS EACH BEING PROVIDED WITH A PAIR OF SPACED APART WALLS DEFINING ONE SIDE OF A RESPECTIVE COMPARTMENT, SAID WALLS CONVERGING TOWARD ONE ANOTHER AT AN UPPER EDGE OF EACH PARTITION IN WEDGELIKE CONFIGURATION FOR DIRECTING RESPECTIVE STACKS OF SAID SHEETS AWAY FROM THE RESPECTIVE EDGE INTO RESPECTIVE COMPARTMENTS ADJOINING THE LATTER, SAID PARTITIONS EACH HAVING A LOWER PORTION ALONG WHICH THE RESPECTIVE WALLS ARE GENERALLY PARALLEL TO ONE ANOTHER AND AN ARCUATE UPPER PORTION TERMINATING AT THE RESPECTIVE EDGE WHEN IS OUTWARDLY CONVEX, ONE OF SAID PLATES BEING PROVIDED WITH A LONGITUDINALLY EXTENDING SLOT; AND ADJUSTABLE MOUNTING MEANS ON EACH OF SAID PARTITIONS ENGAGEABLE WITH SAID SLOT FOR ADJUSTABLY SECURING IT TO SAID ONE OF SAID PLATES AND A SELECTED LONGITUDINAL POSITION THEREALONG FOR REGULATING THE SIZE OF SAID COMPARTMENTS.