Patent ID: 8371239

Claim:
A metering disc comprising: a generally planar, circular body having a first side, a second side opposite said first side and a peripheral edge; a plurality of first input pockets on said first side of said body arranged in mutually circumferentially spaced relationship around said body in open communication with said peripheral edge, wherein each of said plurality of first input pockets has an opening extending from said first input pocket to the second side of the metering disc; and a plurality of second input pockets on second side of said body arranged in mutually circumferentially spaced relationship around said body in open communication with said peripheral edge, said first and second input pockets being arranged in alternating succession around said peripheral edge of said metering disc so that one of said second input pockets is offset circumferentially from each said first input pocket and is disposed between each pair of successive first input pockets, wherein each of said plurality of second input pockets does not have an opening extending from said second input pocket to the first side of the metering disc.