Sealing device for fertilizer applicator

Claim 1

A SEALING DEVICE FOR CLOSING A FURROW CREATED BY A FERTILIZEDR APPLICATOR, SAID SEALING DEVICE COMPRISING: A MOUNTING UNIT INCLUDING A MOUNTING PLATE HAVING A PAIR OF SUBSTANTIALLY PARALLEL FLANGES AT OPPOSITE ENDS THEREOF; AND FIRST AND SECOND ARM RETAINERS MOUNTED ON SAID MOUNTING PLATE BETWEEN SAID FLANGES; A PAIR OF ARMS EACH OF WHICH HAS A SHORT PORTION RECEIVED IN SAID ARM RETAINERS AND A LONG PORTION THAT SWINGS IN A SUBSTANTIALLY VERTICAL PLANE BETWEEN THE END OF ONE SAID ARM RETAINER AND THE FLANGE ADJACENT THERETO, THE DISTANCE BETWEEN EACH SAID ARM RETAINER AND FLANGE BEING LESS THAN THE LENGTH OF EACH SAID SHORT PORTION WHEREBY SAID SHORT PORTION OF EACH SAID ARM IS MAINTAINED IN SAID ARM RETAINER; A PAIR OF SPRINGS MOUNTED ON SAID MOUNTING UNIT, EACH OF SAID SPRINGS HAVING ONE END PRECLUDED AGAINST MOVEMENT IN AT LEAST ONE DIRECTION BY MEANS OF SAID MOUNTING UNTI; A PAIR OF SPRING RETAINERS, EACH OF WHICH HAS ONE PORTION MOUNTED ON A DIFFERENT ONE OF SAID LONG PORTIONS OF SAID ARMS AND A SECOND PORTION WITH A PLURALITY OF NOTCHES THEREIN FOR RECEIVING SAID END PORTION OF A DIFFERENT ONE OF SAID SPRINGS SO THAT THE ARM ASSOCIATED WITH SAID SPRING RETAINER IS BIASED DOWNWARDLY TOWARD THE GROUND, EACH OF SAID NOTCHES BEING ENLARGED AT THE BOTTOM TO ASSURE RETENTION OF A SPRING END RECEIVED THEREIN, AND SAID NOTCHES BEING POSITIONED ON EACH SAID SPRING RETAINER SO THAT THE DOWNWARD FORCE EXERTED BY EACH SAID SPRING IS DIFFERENT DEPENDING UPON THE NOTCH SELECTED; AND SCRAPER MEANS MOUNTED ON SAID LONG PORTION OF EACH SAID ARM AND ENGAGING THE GROUND BEHIND THE FERTILIZER APPLICATOR TO SEAL THE APPLIED FERTILIZER IN THE GROUND BY CLOSING THE FURROW CREARTED BY SAID APPLICATOR.