Roller mill for grain

Claim 1

A ROLLER MILL FOR GRAIN, COMPRISING A BASE FRAME; A PAIR OF ROLLS ROTATABLY MOUNTED ON SAID FRAME IN CLOSE PARALLEL RELATIONSHIP, SAID ROLLS HAVING STUB SHAFTS PROJECTING AXIALLY AT OPPOSITE ENDS THEREOF; BEARING STRUCTURES MOUNTED ON SAID FRAME AT RESPECTIVELY OPPOSITE ENDS OF THE FORWARD ROLL FOR MOVEMENT TRANSVERSELY OF THE ROLL AXIS, SAID STURCTURES INCLUDING RESPECTIVE BASES FIRMLY BUT REMOVABLY SECURED TO SAID BASE FRAME AND RESPECTIVE BEARINGS PIVOTALLY MOUNTED ON SAID BASES, THE STUB SHAFTS OF SAID ROLL BEING JOURNALED IN SAID BEARINGS; BEARING STRUCTURES MOUNTED ON SAID FRAME AT RESPECTIVELY OPPOSITE ENDS OF THE REARWARD ROLL, THESE STRUCTURES INCLUDING RESPECTIVE BASES FIRMLY BUT REMOVABLY SECURED TO SAID BASE FRAME AND RESPECTIVE BEARINGS RIGIDLY SECURED TO THE BASES AND JOURNALING THE STUB SHAFTS; SCREW-THREADED SHAFTS EXTENDING TRANSVERSELY OF SAID ROLLS AT RESPECTIVELY OPPOSITE ENDS THEREOF AND ABOVE SAID BEARING STRUCTURES; UPWARD SINGLE, INTEGRAL EXTENSION OF THE PIVOTED BEARING STRUCTURES THROUGH WHICH FREELY PASS THREADED PORTIONS OF SAID SHAFTS; UPWARD AND REARWARD, SINGLE, INTEGRAL EXTENSIONS OF THE FIRMLY MOUNTED BEARING STRUCTURES HAVING SPLIT CAM-MOUNTING MEANS FORMED IN THEIR UPPER ENDS; CAMS ROTATABLY SECURED TO THE REARWARD ENDS OF SAID SHAFTS ON AXES EXTENDING TRANSVERSELY THEREOF, SAID CAMS BEING RECEIVED BY ONE SPLIT FACE OF SAID CAM-MOUNTING MEANS; ADJUSTMENT NUTS THREADED ON SAID SHAFTS, RESPECTIVELY, AND BEARING AGAINST THE REAR FACES OF SAID EXTENSIONS OF THE PIVOTED BEARING STRUCTURES; REACTION MEAN THREADED ON THE FORWARD ENDS OF SAID SHAFTS RESPECTIVELY; RESILIENT MEANS INTERPOSED BETWEEN SAID REACTION MEANS AND THE FORWARD FACES OF SAID EXTENSIONS OF THE PIVOTED BEARING STRUCTURES; MEANS FOR THROWING SAID CAMS FORWARDLY AND REARWARDLY RELATIVE TO THEIR MOUNTINGS, SO AS TO THROW THE FORWARD, PIVOTALLY MOUNTED ROLL AWAY FROM AND BACK TO, RESPECTIVELY, THE FIRMLY MOUNTED ROLL; MEANS FOR FEEDING GRAIN BETWEEN SAID ROLLS; AND MEANS FOR ROTATING SAID ROLLS.