US Patent 7204749 Coin separator and sorter assembly

A coin sorting apparatus includes a coin hopper and a coin ramp positioned below the coin hopper. A coin separator mechanism is located between the coin hopper and the coin ramp. The coin separator mechanism includes a separating wheel having a plurality of coin receiving apertures and a wheel housing which supports the separating wheel. The wheel housing includes a set of apertures arranged in order of increasing size for sorting the coins by diameter. A coin support surface is provided on one of the separating wheel and the wheel housing and a coin rolling surface is defined on the wheel housing.