Attachment for a crop pickup

Claim 1

A CROP PICKUP MACHINE COMPRISING A MAIN FRAME ADAPTED TO BE FORWARDLY ADVANCED OVER A FIELD, SAID MAIN FRAME INCLUDING A PLURALITY OF CONVEYOR ROLLS, SUPPORT MEMBERS MOUNTING SAID ROLLS FROM SAID FRAME FOR ROTATION ABOUT FORWARDLY PROJECTING AND DOWNWARDLY INCLINED AXES, MEANS MOUNTING SAID SUPPORT MEMBERS FROM SAID FRAME FOR LIMITED FREE SWINGING MOVEMENT ABOUT GENERALLY HORIZONTALLY DISPOSED AXES EXTENDING TRANSVERSELY OF SAID FRAME, A SKID ARM MEMBER FOR AT LEAST ONE OF SAID ROLLS AND EXTENDING FRONT TO REAR OF SAID FRAME, MEANS PIVOTALLY SUPPORTING THE REAR END OF SAID ARM MEMBER FROM SAID FRAME FOR LIMITED FREE PIVOTAL MOVEMENT ABOUT A GENERALLY HORIZONTALLY DISPOSED AXIS EXTENDING TRANSVERSELY OF SAID FRAME AND SPACED LATERALLY OF SAID AXES, AND MEANS CARRIED BY THE FORWARD END OF SAID ARM MEMBER ROTATABLY AND SLIDABLY CONNECTED WITH THE ASSOCIATED ROLL FOR ROTATION OF THE LATTER RELATIVE TO SAID FORWARD END OF SAID ARM MEMBER AND AXIAL MOVEMENT OF SAID ROLL RELATIVE TO SAID ARM MEMBER UPON SIMULTANEOUS SWINGING MOVEMENT OF SAID ROLL AND ARM MEMBER RELATIVE TO SAID FRAME, THE FORWARD END OF SAID ARM MEMBER INCLUDING A SKID PORTION DISPOSED BELOW THE LOWER END OF SAID ONE ROLL AND ADAPTED TO SLIDINGLY ENGAGE AND THEREBY SUPPORT SAID ONE ROLL FROM THE GROUND.