A coin transporting and stacking mechanism transports coins between two endless belts which form a coin transporting channel. The coins are gripped on diametrically opposed edges by the counter-rotating belts, and securely held as they travel towards the coin ejecting end of the channel. The coin ejecting...http://www.google.de/patents/US5520577?utm_source=gb-gplus-sharePatent US5520577 - System for transporting and stacking coins