Moving carriage mechanical berry harvester with rotationally oscillative shakers

Claim 1

IN A BERRY HARVESTER COMPRISING A CARRIAGE MOVABLE PROGRESSIVELY ALONG A ROW OF BERRY PLANTS, A PAIR OF ROTARY GENERALLY CYLINDRICAL SHAKERS DISPOSED IN THE HARVESTER OPPOSINGLY TO ENGAGE THE OPPOSITE SIDES OF THE ROW OF BERRY PLANTS AS THE HARVESTER TRAVERSES THE LENGTH OF THE ROW, SAID SHAKERS INCLUDING A PLURALITY OF PLANT-ENGAGING FINGER ELEMENTS PROJECTING GENERALLY RADIALLY OUTWARDLY THEREFROM AT INTERVALS LENGTHWISE AND CIRCUMFERENTIALLY THEREOF, MEANS MOUNTING SAID SHAKERS TO PERMIT THEM TO REVOLVE FREELY ABOUT UPRIGHT AXES PROGRESSIVELY ACCOMPANYING SUCH ADVANCE OF THE HARVESTER ALONG THE ROW, THEREBY TO PERMIT SUCCESSIVE ENGAGEMENT OF SAID ELEMENTS WITH THE PLANTS BEING TRAVERSED BY THE HARVESTER, AND MEANS TO OSCILLATE THE SHAKERS ROTATIVELY ABOUT THEIR RESPECTIVE AXES AT AN AMPLITUDE AND FREQUENCY PRODUCING SPACED OF VIBRATIVE CIRCUMFERENTIAL MOTION OF SAID ELEMENTS WHICH IS AT LEAST SEVERAL TIMES THE SPEED OF THEIR PROGRESSIVE CIRCUMFERENTIAL MOTION.