Electrical vibrating agitators for rotary disc filters

Claim 1

IN A DISC-TYPE FILTER INCLUDING A TANK FOR SLURRY AND A SHAFT SUPPORTED FOR ROTATION ADJACENT THE TOP OF THE TANK, THE SHAFT SUPPORTING A PLURALITY OF SPACED DISCS, EACH HAVING A PLURALITY OF RADIALLY ADJOINING FILTER SECTORS, FILTER MEDIA COVERING THE EXTERIOR SURFACE OF EACH SECTOR, AND MEANS FOR PRODUCING A VACUUM WITHIN THE SECTORS FOR FORMING A CAKE OF SOLIDS ON EACH FILTER MEDIA DURING ROTATION THROUGH THE SLURRY, THE IMPROVEMENT COMPRISING A SERIES OF SPACED ELONGATED FAN-SHAPED PLATES EXTENDING LENGTHWISE OF THE TANK DISPOSED IN A SUBMERGED POSITION IN THE SLURRY IN PROXIMATE RELATION TO AN ADJOINING FILTER SECTOR, EACH PLATE BEING SUBSTANTIALLY COEXTENSIVE WITH ADJOINING FILTER SECTORS, MEANS FOR MOUNTING SAID PLATE FOR VIBRATORY MOVEMENT SO AS TO KEEP PARTICLES OF THE SLURRY IN SUSPENSION AND COMPRESS THE CAKE ON THE FILTER SECTOR, SAID MOUNTING MEANS INCLUSIVE OF PLURAL ROD-LIKE MEMBERS, EACH HAVING AN END PORTION CONNECTED TO AT LEAST ONE OF SAID PLATES AND ANOTHER PORTION DISTANT FROM SAID END PORTION CONNECTED BY A COUPLING MEMBER TO A STATIONARY SURFACE ON THE FILTER, AND AN ELECTRIC VIBRATING MEANS CONNECTED TO EACH OF SAID ROD-LIKE MEMBERS AND ITS ASSOCIATED ONE OF SAID PLATES TO INDIVIDUALLY IMPART A HIGH FREQUENCY VIBRATORY MOVEMENT THERETO.