Nut harvesting and separating machine

Claim 1

IN A NUT HARVESTING MACHINE HAVING A WHEEL-SUPPORTED FRAME FOR MOVEMENT ALONG A PATH STREWN WITH NUTS, A FIRST FORAMINOUS CONVEYOR OF LARGE MESH ADAPTED TO HOLD OBJECTS LARGER THAN NUTS, AND MEANS FOR CARRYING NUTS, CLODS AND TWIGS FROM THE GROUND TO SAID FIRST BELT, THE IMPROVEMENT COMPRISING: A SECOND FORAMINOUS CONVEYOR BELOW SAID FIRST CONVEYOR TO RECEIVE AND RETAIN OBJECTS OF ABOUT NUT SIZE AND BEING OF A MESH SIZE INCAPABLE OF RETAINING OBJECTS SUBSTANTIALLY SMALLER THAN NUTS; A FAN LOCATED BELOW A PORTION OF SAID SECOND CONVEYOR AND MEANS FOR DIRECTING AIR FROM SAID FAN OBLIQUELY UPWARDLY THROUGH SAID SECOND CONVEYOR AT SUCH VELOCITY AS TO BLOW MATERIAL INCLUDING LEAVES, TWIGS, NUTS AND CLODS OBLIQUELY UPWARDLY THEREFROM AND FORM A STREAM OF SAID MATERIAL, AN UPPER LAYER OF WHICH CONSISTS ESSENTIALLY OF ONLY LEAVES, TWIGS AND NUTS AND A NEXT LOWER LAYER OF WHICH COMPRISES A MIXTURE OF NUTS AND CLODS; BIN MEANS POSITIONED TO RECEIVE ONLY SAID NUTS FROM SAID UPPER LAYER; MEANS FOR INTERCEPTING SAID NEXT LOWER LAYER AND FOR SEPARATING SAID NUTS THEREIN FROM THE CLODS THEREIN AND DELIVERING SAID NUTS TO SAID BIN.