Filter powder feeder assembly

Claim 1

A FILTER AID FEEDER ASSEMBLY COMPRISING A CLOSED STORAGE HOPPER HAVING AN OUTLET APERTURE AND A DISCHARGE PASSAGE EXTENDING FROM THE OUTLET APERTURE, A SHAFT MOUNTED FOR ROTATION WITHIN THE HOPPER TERMINATING ADJACENT SID OUTLET APERTURE AND CARRYING MEANS FOR AGITATING THE FILTER SAID WITHIN THE HOPPER TO PREVENT BRIDGING THEREOF, A MOTOR MOUNTED WITHIN THE HOPPER CONNECTED TO SAID SHAFT, SAID DISCHARGE PASSAGE BEING RECTANGULAR IN CROSSSECTIONAL CONFIGURATION, AND A METERING CUP MOUNTED FOR ROTATION WITHIN SAID DISCHARGE PASSAGE ON AN AXIS TRANSVERSE TO THE DIRECTION OF MOVEMENT OF FILTER AID FROM SAID HOPPER, SAID CUP BEING GENERALLY V-SHAPED IN SECTION TRANSVERSE TO ITS AXIS OF ROTATION AND EXTENDING PARALLEL TO ITS AXIS OF ROTATION TO THE SIDES OF SAID DISCHARGE PASSAGE, SAI CUP BEING ROTATABLE UNIDIRECTIONALLY FROM A FILL POSITION WHEREIN THE OPEN FACE OF SAID CUP IS DIRECTED UPWARDLY TOWARD SAID HOPPER OUTLET APERTURE, TO A PRE-COAT POSITION WHEREIN THE OPEN FACE OF SAID CUP IS DIRECTED DOWNWARDLY AWAY FROM SAID HOPPER OUTLET APERTURE, AND THROUGH A BODY FEED POSITION INTERMEDIATE BETWEEN SAID FILL AND PRE-COAT POSITIONS, SAID METERING CUP BEING MOUNTED FOR ROTATION BY MEANS OF A SHAFT RIGIDLY SECURED TO THE CUP AND EXTENDING EXTERIORLY OF SAID HOUSING, FIRST AND SECOND POWER MEANS MOUNTED ADJACENT SAID SHAFT, AND MOTION TRANSMISSION LINKAGE EXTENDING BETWEEN SAID POWER MEANS AND SAID SHAFT WHEREBY UPON ENERGIZATION OF SAID FIRST POWER MEANS SAID SHAFT IS ROTATED TO PLACE AID CUP IN ITS SAID PRE-COAT POSITION AND UPON ENERGIZATION OF SAID SECOND POWER MEANS SAID SHAFT IS ROTATED TO PLACE SAID CUP IN ITS SAID BODY FEED POSITION.