Precision seed planting apparatus

Claim 1

A PRECISION SEED FEEDING UNIT FOR A PLANTER COMPRISING IN COMBINATION: (A) A MAIN HOUSING ADAPTED TO BE MOUNTED ON A PLANTER, (B) A LOWER DISCHARGE OUTLET FORMED IN SAID MAIN HOUSING, (C) AN INLET PASSAGEWAY FORMED IN SAID MAIN HOUSING, (D) A SEED SOURCE CONNECTED TO SUPPLY SEED TO SAID INLET PASSAGEWAY, (E) A CIRCULAR RECESS FORMED IN SAID MAIN HOUSING BELOW AND IN COMMUNICATION WITH SAID INLET PASSAGEWAY, (F) A CUPPED FEED DISC JOURNALED IN SAID MAIN HOUSING AND LOCATED WITHIN SAID RECESS, (G) A RECESSED SURFACE IN THE FACE OF SAID FEED DISC SURROUNDED BY A BEVELLED OUTER SURFACE EXTENDING OUTWARDLY TO A LIP ON THE PERIPHERY OF SAID DISC, (H) A METERING AND DISTRIBUTING SPROCKET JOURNALED WITHIN A RECESS IN SAID HOUSING HAVING TEETH FORMED ON THE PERIPHERY THEREOF OVERLAPPING THE FRONT FACE LIP OF SAID FEED DISC, (I) THE SPACES BETWEEN SAID TEETH BEING CHARGED WITH SEED FROM THE CUPPED RECESS OF THE FACE OF SAID DISC, (J) SAID SPROCKET DISCHARGING SEED FROM SAID SPACES BETWEEN SAID TEETH AT A CIRCUMFERENTIALLY REMOTE LOCATION FROM SAID OVERLAP BETWEEN SAID DISC AND SPROCKET INTO SAID LOWER DISCHARGE OUTLET.