Split deck vibrating screen

Claim 1

A VIBRATING SCREEN AND BIN COMBINATION COMPRISING AN ENCLOSURE HAVING TOP, SIDE AND END WALLS AND AN OPEN BOTTOM; AN UPPER MATERIAL INGRESS TO SAID ENCLOSURE; AT LEAST ONE COARSE SCREEN DECK OPERATIVELY STACKED IN SAID ENCLOSURE BELOW SAID INGRESS AND A PAIR OF OPERATIVELY STACKED FINE MESH SCREEN DECKS IN SAID ENCLOSURE BELOW SAID COARSE DECK; SAID ENCLOSURE BEING ARRANGED TO VIBRATE IN A MANNER SUFFICIENT TO IMPART PROGRESSIVE MOVEMENT OF MATERIAL TO BE GRADED ACROSS AND THROUGH SAID SCREEN DECKS; SAID COARSE DECK BEING POSITIONED TO RECEIVE ADJACENT ITS UPSTREAM END MATERIAL TO BE GRADED PASSED INTO SAID ENCLOSURE THROUGH SAID INGRESS AND THE UPPER OF SAID FINE DECKS BEING POSITIONED TO RECEIVE MATERIAL PASSED THROUGH SAID COARSE DECK; MEANS INCLUDING FEED SPLITTING MEANS ADJACENT THE UPSTREAM END OF THE UPPER FINE DECK TO RECEIVE MATERIAL TO BE GRADED FROM THE UPSTREAM PORTION OF SAID COARSE DECK AND TO SPLIT SAID MATERIAL BETWEEN AND CARRY IT ON TO EACH OF SAID FINE DECKS AT THEIR UPSTREAM ENDS; A COLLECTOR PAN LOCATED BETWEEN SAID FINE DECKS AND VIBRATING THEREWITH TO RECEIVE AND CARRY OFF MATERIAL PASSED THROUGH SAID UPPER FINE DECK, SAID PAN AT ITS DOWNSTREAM END DISCHARGING INTO A VERTICALLY INCLINED CHUTE, SAID PAN END AND CHUTE BEING LOCATED IMMEDIATELY BENEATH THE PORTION OF SAID UPPER FINE DECK JUST UPSTREAM OF ITS DOWNSTREAM END AND SAID CHUTE EXTENDING DOWN PAST THE LOWER FINE DECK ADJACENT THE DOWNSTREAM END THEREOF; AND A COMPARTMENTED BIN ASSEMBLY BENEATH SAID ENCLOSURE, ONE OF SAID COMPARTMENTS BEING DISPOSED IN MATERIAL COLLECTING POSITION BENEATH SAID CHUTE AND SAID LOWER FINE SCREEN DECK, SAID ASSEMBLY HAVING A PARTITION WALL FORMING SAID COMPARTMENT POSITIONED TO INTERCEPT THE MATERIAL PASSED THROUGH BOTH THE DOWNSTREAM PORTION OF SAID LOWER FINE DECK AND THAT DISCHARGED FROM SAID CHUTE AND TO DIRECT IT TO INTERCEPT AND MIX WITH THE MATERIAL PASSED THROUGH THE UPSTREAM PORTION OF SAID LOWER FINE DECK.