Machine for harvesting waste cotton from the ground

Claim 1

A "DOWN" COTTON HARVESTING MACHINE COMPRISING A WHEELED FRAME ADAPTED TO BE DRAWN ALONG ROWS OF COTTON STALKS, A HOPPER ON SAID FRAME TO RECEIVE COTTON HARVESTED FROM THE GROUND, A ROTARY DRUM JOURNALED UPON SAID FRAME NEAR THE FORWARD END OF THE HOPPER, A ROTARY BRUSH ARRANGED NEAR THE TOP OF SAID DRUM, MEANS TO ROTATE SAID DRUM OPPOSITELY TO THE DIRECTION OF MOVEMENT OF THE SAID WHEELED FRAME AND TO ROTATE SAID BRUSH OPPOSITELY TO THE DIRECTION OF ROTATION OF THE DRUM, AND A CONTINUOUS SPIRAL ROW OF COTTON IMPALING ELEMENTS ON SID DRUM IN UNIFORMLY SPACED RELATION AND INCLUDING PARTS PROJECTING RADIALLY OF THE DRUM AND ANCHORED THERETO, TRANSVERE PARTS SPACED FROM THE PERIPHERY OF THE DRUM AND SUBSTANTIALLY PARALLEL THEREWITH AND EXTENDING IN THE DIRECTION OF ROTATION OF THE DRUM AND INWARDLY RADIALLY EXTENDING COTTON IMPALING POINTS ON SAID TRANSVERSE PARTS FACING THE PERIPHERY OF THE DRUM AND SPACED THEREFROM, SAID IMPALING POINTS BEING IN SPACED SUBSTANTIALLY PARALLEL RELATION TO THE RADIALLY PROJECTING PARTS OF THE COTTON IMPALING ELEMENTS, WHEREBY ONLY RELATIVELY CLEAN COTTON FREE OF DEBRIS IS PICKED UP BY THE DRUM AND CONVEYED TO SAID BRUSH, SAID BRUSH REMOVING THE COTTON FROM THE IMPALING ELEMENTS AND CASTING IT INTO SAID HOPPER, SAID HOPPER HAVING AN OPENING ADJACENT SAID BRUSH.