Pan conveyor vibrator

Claim 1

IN COMBINATION WITH A CONVEYOR COMPRISING A CONTINUOUS SERIES OF OVERLAPPING PANS AND SUPPORTING MEANS MOVING AND INVERTING SUCCESSIVE PANS OVER A DISCHARGE LOCATION, SAID SUPPORTING MEANS INCLUDING A SERIES OF RODS SPACED ABOVE THE INVERTED PANS; A SYSTEM FOR VIBRATING SAID MOVING PANS COMPRISING AN ACTUATING SHAFT SPACED ABOVE AND EXTENDING ACROSS SAID PANS OVER SAID LOCATIONS, POER MEANS CONNECTED TO SAID SHAFT TO VIBRATE THE ENTIRE SHAFT IN A PLANE NORMAL TO THE SURFACE OF THE PANS, AND A SERIES OF DISCS HAVING ECCENTRIACALLY LOCATED HOLES LARGER THAN SAID SHAFT, SAID SHAFT EXTENDING THROUGH SAID HOLES AND SAID POWER MEANS PROVIDING SAID ACTUATING SHAFT WITH A STOKE OF A LENGTH AND FREQUENCY RESPECTING THE PANS SO THAT THE DISCS STRIKE THE PANS TO FREE THE SAME OF MATERIAL STICKING THERETO, SAID DISCS BEING PIVOTALLY CRRIED BY SAID SHAFT AND NORMALLY DEPENDING THEREFROM AND PIVOTALLY MOVABLE BY SAID RODS TO AN OFFSET POSITION RESPECTING THE SHAFT TO ALLOW THE RODS TO PASS BENEATH THE DISCS AND SUICH THAT WHILE THE DISCS ARE IN SAID OFFSET POSITION THE VIBRATION OF THE SHAFT EFFECTS PRINCIPALLY A PIVOTAL MOTION OF THE DISCS HAVING NO FORCEFUL EFFECT UPON THE RODS.