Measuring and dispensing device for finely divided dry material

Claim 1

A MEASURING AND DISPENSING DEVICE FOR FINELY DIVIDED DRY MATERIAL COMPRISING A RECEPTACLE HAVING AN UPRIGHT WALL IN THE FRONT PORTION OF SAID RECEPTACLE DIVIDING SAID RECEPTACLE INTO A MATERIAL STORAGE COMPARTMENT AND A COMBINED MATERIAL OUTLET AND MEASURING CHAMBER HAVING CONTINUOUSLY OPEN DISCHARGE OUTLET AS RESPECTS ITS TOP PORTION FOR DISCHARGE OF METERED MATERIAL; SAID UPRIGHT WALL HAVING A MATERIAL FLOW PASSAGEWAY THERETHROUGH, THE BOTTOM EDGE OF SAID PASSAGEWAY BEING SPACED ABOVE THE BOTTOM OF THE RECEPTACLE A PREDETERMINED DISTANCE TO PROVIDE A FIXED MAXIMUM VOLUME OF METERED MATERIAL AND MANIPULATIVELY A FRACTION OF SAID VOLUME; AN INCLINED BAFFLE WALL JOINED TO AND INTERSECTING SAID UPRIGHT DIVIDING WALL AT THE BOTTOM EDGE OF SAID OUTLET PASSAGEWAY, SAID BAFFLE EXTENDING UPWARDLY AND REARWARDLY IN THE RECEPTACLE IN A DIVERGING RELATION FROM SAID UPRIGHT DIVIDING WALL, SAID BAFFLE WALL COOPERATING IN FORMING AN OPEN HOPPER TO RECEIVE MATERIAL FROM THE STORAGE COMPARTMENT OVER THE TOP EDGE OF SAID BAFFLE, MATERIAL BEING DIRECTED FROM SAID HOPPER TO SAID MEASURING CHAMBER; AND A VALVE MEMBER CONTACTING AND ENGAGING ONLY SAID UPRIGHT WALL AND BEING SLIDABLY MOVABLE UPWARDLY IN OPENING THE SAID PASSAGEWAY THROUGH SAID UPRIGHT WALL IN PERMITTING DESIRED AMOUNT OF METERED MATERIAL TO FALL INTO SAID MEASURING CHAMBER AND MOVABLE DOWNWARDLY IN CLOSING SAID MATERIAL FLOW PASSAGEWAY WHILE MAINTAINING OPEN THE OUTLET OPENING IN THE TOP PORTION OF THE RECEPTACLE AND MAINTAINING CLOSED SAID PASSAGEWAY IN THE UPRIGHT WALL AGAINST INFLOW OF UNMETERED MATERIAL THROUGH SAID PASSAGEWAY UNTIL THE METERED MATERIAL IS DISCHARGED FROM SAID MEASURING AND OUTLET CHAMBER.