Implement for sod seeding

Claim 1

IN AN AGRICULTURAL IMPLEMENT OF THE TYPE DESCRIBED, IN COMBINATION, A MAIN FRAME SUPPORTED FOR MOVEMENT OVER THE GROUND, A COULTER COMPRISING A CENTER PORTION AND A SHARPENED SINUOUS OUTER EDGE, SAID CENTER PORTION HAVING OPPOSITE FACES LYING IN PARALLEL AND SPACED SUBSTANTIALLY VERTICAL PLANES, SAID SINUOUS OUTER EDGE EXTENDING ALTERNATELY ON OPPOSITE SIDES OF SAID COULTER A SUBSTANTIAL DISTANCE LATERALLY OF SAID COULTER BEYOND THE CONFINES DEFINED BETWEEN SAID PLANES OF SAID OPPOSITE FACES OF SAID CENTER PORTION FOR MAKING A SINUOUS CUT IN THE GROUND, PORTIONS OF SAID COULTER BETWEEN SAID OUTER EDGE AND SAID CENTER PORTION EXTENDING PARALLEL TO SAID CENTER PORTION FOR A SUBSTANTIAL DISTANCE, MEANS ROTATABLY SUPPORTING SAID COULTER FROM SAID FRAME ADJACENT THE FORWARD PART OF SAID IMPLEMENT, MEANS MOUNTED ON SAID FRAME FOR FORMING A TRENCH IN SAID GROUND REARWARDLY OF SAID COULTER, A PULVERIZING AND PACKING DEVICE, MEANS SUPPORTING SAID DEVICE REARWARDLY OF SAID COULTER, SAID DEVICE COMPRISING A PAIR OF BLADES EXTENDING REARWARDLY AND DOWNWARDLY FROM SAID SUPPORTING MEANS IN AN ARCUATE PATH AND ON OPPOSITE SIDES OF SAID SUPPORTING MEANS, EACH OF SAID BLADES BEING CONCAVE ON THE INNER SIDE THEREOF AND HAVING A LEADING EDGE EXTENDING DOWNWARDLY AND REARWARDLY IN AN ARCUATE PATH WHEREBY SAID DEVICE IS ADAPTED TO PULL THE SOIL IN FROM THE SIDES OF SAID TRENCH SO THAT THE SOIL IS PULVERIZED AND THEN PACKED AS IT PASSES BENEATH SAID BLADES, AND MEANS CARRIED BY SAID FRAME FOR DEPOSITING SEEDS REARWARDLY OF SAID DEVICE ONTO THE PULVERIZED AND PACKED SOIL.