Potato harvester

Claim 1

A MOBILE POTATO HARVESTER SYSTEM INCLUDING IN COMBINATIN, A DEVICE FOR EXCAVATING ONE OR MORE POTATO ROWS, AUTOMATIC MEANS FOR SEPARATING AND REMOVING STONES AND DEBRIS WHICH ARE SMALLER AND LARGER THAN THE POTATOES TO BE GATHERED AND CONVEYING THE POTATOES AND REMAINING STONES TO A RECEIVING HOPPER, A FLEXIBLE DRIVE MEMBER EXTENDING LONGITUDINALLY FROM THE RECEIVING HOPPER, A COLUMN OF SPACED POTATO ADVANCING PADDLES FIXED TO AND EXTENDING LATERALLY FROM SAID FLEXIBLE DRIVE MEMER, EACH OF SAID ADVASNCING PADDLES PRESENTING AN ARM SECTION FIXED TO THE DRIVE MEMBER AND EXTENDING LATERALLY THEREFORM AND TERMINATING IN A POTATO ADVANCING PADDLE SECTION WHICH IS REARWARDLY INCLINED WITH RESPECT TO THE DIRECTION OF TRAVEL THEREOF, A PRIMARY TUMBLING ROLL POSITIONED UNDER THE COLUMN OF ADVANCING PADDLES AND PROVIDING TUMBLING SUPPORT FOR THE POATOES, A SECONDARY TUMBLING ROLL POSITIONED ADJACENT SAID PRIMARY TUMBLING ROLL AND EXTENDING ALONG THE LINE OF TRAVEL FOF THE OUTER ENDS OF THE COLUMNIZED PADDLE SECTIONS ADVANCING OVER PRIMARY TUMBLING ROLL TO THEREBY MAINTAIN THE POTATOES ADJACENT TO SAID SECONDARY TUMBLING ROLL UNDER THE ADVANCING INFLUENCE OF THE PADDLES, MEANS FOR ROTATING SAID PRIMARY AND SECONDARY TUMBLING ROLLS TO THEREBY TUMBLE THE ADVANCING POTATOES IN CONTACT THEREWITH AND LATERALLY EJECT ALL BUT ONE OF THE POTATOES FROM THE ADVANCING INFLUENCE OF EACH PADDLE, MEANS FOR RETURNING THE EJECTED POTATOES TO THE RECEIVING HOPPER FOR RECYCLE, AND RESILIENTLY SUPPORTED DEVINING ROLL POSITIONED ABOVE SAID SECONDARY TUMBLING ROLL AND IN RESILIENT PRESSURE CONTACT THERWITH, SAID DEVINIGN ROLL BEING SUBJECT TO THE ROTATIVE INFLUENCE OF SAID SECONDARY TUMBLING ROLL AND COOPERATING THEREWITH TO STRIP AND REMOVE VINES AND VEGETATION FROM THE POTATOES AS ADVANCED BY SAID PADDLES.