Device for dispensing powdered material

Claim 1

A DISPENSING CLOSURE FOR USE WITH AN INWARDLY OPEN CONTAINER HAVING A POWERED MATERIAL STORED THEREIN, SAID CLOSURE COMPRISING A LOWER PORTION WHICH DEFINES A DOWNWARDLY OPEN RECEPTACLE FOR RECEIVING THE OPEN END OF SAID CONTAINER, AN UPPER PORTION WHICH DEFINES AN ELONGATED CAVITY HAVING SPACED SIDE WALLS AND A LOWER WALL WITH AN OPENING ADJACENT ONE END, A VALVE SLIDABLY RECEIVED IN SAID CAVITY, SAID VALVE BEING GENERALLY U-SHAPED IN CROSS SECTION HAVING A LOWER WALL WITH AN OPENING REGISTRABLE WITH SAID CLOSURE OPENING WHEN SAID VALVE IS IN A FIRST POSITION, SAID VALVE FURTHER INCLUDING AN UPPER WALL SPACED FROM SAID LOWER WALL AND DEFINING A DISPENSING CHAMBER WITH SAID LOWER VALVE WALL, SAID UPPER VALVE WALL HAVING AN END WHICH ABUTS A COOPERATIVELY SHAPED SURFACE ON SAID CLOSURE WHEN SAID VALVE IS IN SAID FIRST POSITION AND WHICH DEFINES A POUR SPOUT THEREWITH WHEN SAID VALVE IS MOVED FROM SAID FIRST POSITION, A HANDLE EXTENDING REARWARDLY AND DOWNWARDLY FROM SAID CLOSURE IN SPACED RELATION TO THE SIDES OF A SUBADJACENT CONTAINER, SAID HANDLE BEING LOCATED GENERALLY OPPOSITE TO SAID POUR SPOUT, A TRIGGER CONNECTED TO SAID VALVE AND SLIDABLY RECEIVED IN A TRACK DEFINED IN SAID HANDLE FOR MOVEMENT BETWEEN FIRST AND SECOND POSITIONS CORRESPONDING TO FIRST AND SECOND VALVE POSITIONS RESPECTIVELY, BIASING MEANS FOR URGING SAID VALVE AND TRIGGER TOWARD SAID FIRST POSITION, A PLUG SLIDABLY RECEIVED BETWEEN SAID UPPER AND LOWER VALVE WALLS FOR VARYING THE SIZE OF SAID VALVE DEFINED DISPENSING CHAMBER, AND MEANS CONNECTED TO SAID PLUG AND EXTENDING UPWARDLY THROUGH A SLOT DEFINED IN SAID VALVE UPPER WALL FOR MANUALLY MOVING SAID PLUG.