Grizzly bar feeder

Claim 1

A GRIZZLY BAR FEEDER COMPRISING: A FRAME; A FREELY MOVABLE INCLINED TABLE HAVING A FEED END ADAPTED TO RECEIVE BULK MATERIAL AND A DISCHARGE END; SAID TABLE BEING COMPOSED OF A PLURALITY OF ELONGATED PARALLEL SPACED APART BARS DISPOSED LONGITUDINALLY OF SAID FRAME DNA FREELY MOUNTED, AT ONE END THEREOF, ON A DRIVING SHAFT EXTENDING ACROSS SAID FRAME; AN OSCILLATING SHAFT EXTENDING ACROSS SAID FRAME BELOW SAID TABLE; A ROCKING ASSEMBLY FIXED TO SAID OSCILLATING SHAFT AND HAVING A PLURALITY OF SUPPORTING ELEMENTS DISPOSED ECCENTRICALLY OF AND ABOVE THE OSCILLATING SHAFT AXIS ALONG TWO ROWS PARALLEL TO SAID AXIS; THE RADIAL DISTANCE OF SAID SUPPORTING ELEMENTS TO SAID AXIS BEING SUBSTANTIALLY EQUAL; SAID SUPPORTING ELEMENTS EACH SLIDABLE SUPPORTING ONE OF SAID BARS ECCENTRICALLY OF SAID AXIS; AT LEAST ONE RECIPROCATING ACTUATING LEVER CONNECTED AT ONE END TO SAID ROCKING ASSEMBLY ECCENTRICALLY OF SAID AXIS AND BELOW THEREOF AND, AT THE OTHER END, BEING MOUNTED ONTO SAID DRIVING SHAFT IN CRANKSHAFT MANNER SO THAT ROTATION THEREOF PRODUCES RECIPROCATION OF SAID LEVER, WHEREBY THE SAID RECIPROCATION CAUSES ROCKING OF SAID SUPPORTING ELEMENTS AND SUBSEQUENT VERTICAL ALATERNATIVE DISPLACEMENT OF THE TABLE BARS, THEREBY CAUSING THE MATERIAL RESTING THEREON TO MOVE LONGITUDINALLY FROM THE FEED END TO THE DISCHARGE END OF THE TABLE WHILE SIMULTANEOUSLY, AND AS A RESULT OF THE VIBRATION, ALLOWING THE MATERIAL TO BE CLASSIFIED AS TO SIZE AND ACCORDING TO THE SPACING BETWEEN BARS; THE SMALLER MATERIAL FALLING THROUGH THE SPACE BETWEEN BARS AND THE LARGER MATERIAL BEING PUSHED TOWARDS THE DISCHARGE END.