A coin sorting apparatus receives coins through an opening in a guide plate onto the resilient surface of a rotating disc. The surface of the guide plate is contoured and includes portions positioned sufficiently close to the surface of the disc to press coins traveling therebetween into the resilient...http://www.google.co.uk/patents/US4966570?utm_source=gb-gplus-sharePatent US4966570 - Coin sorting apparatus for sorting coins of selected denominations