Grape harvester

Claim 1

A MACHINE FOR HARVESTING CLUSTERED FRUIT FROM VINEYARDS WHERE ROWS OF VINES HAVE BEEN TRAINED ON A GENERALLY HORIZONTAL TRELLIS WIRE EXTENDING LONGITUDINALLY OF EACH ROW IN SUCH MANNER THAT A CURTAIN OF FRUIT BEARING CANES HANGS FROM SAID LONGITUDINAL TRELLIS WIRE, COMPRISING A FRAME MOVABLE THROUGH THE VINEYARD ALONGSIDE EACH ROW OF VINES, A HUB, MEANS SUPPORTING SAID HUB FOR ROTATION ABOUT A GENERALLY UPRIGHT AXIS, ARMS FIXED TO SAID HUB TO PROJECT RADIALLY THEREFROM IN SPACED RELATION TO ONE ANOTHER, AND MEANS SHAKING SAID HUB SUPPORTING MEANS UP AND DOWN AND POSITIONING SAID HUB ALONGSIDE SAID CURTAIN OF FRUIT BEARING CANES IN SUCH POSITION THAT ITS ARMS PROGRESSIVELY ENTER ENDWISE INTO THE SIDE OF SAID CUTAIN BELOW SAID LONGITUDINAL TRELLIS WIRE, THE LINE OF SHAKE OF SAID SHAKING AND SUPPORTING MEANS BEING GENERALLY VERTICAL AS VIEWED FROM THE REAR OF THE MACHINE BUT BEING AT AN ACUTE INCLUDED ANGLE TO THE VERTICAL WHEN VIEWED FROM THE SIDE OF THE MACHINE TO SLOPE DOWNWARDLY AND REARWARDLY WITH REFERENCE TO THE LINE OF TRAVEL OF THE MACHINE WHEREBY THE ENTERING ELEVATION OF THE OUTBOARD ENDS OF SAID ARMS INTO THE SIDE OF SAID CURTAIN OF FRUIT BEARING CANES IS LOWER THAN THE LEAVING ELEVATION THEREOF SO THAT ON MOVING ALONG WITHIN THE CURTAIN OF FRUIT BEARING CANES THE ARMS ARE BROUGHT INTO ENGAGEMENT WITH AND LIFT SAID LONGITUDINAL TRELLIS WIRE.