A coin feeding apparatus for a coin handling machine of the rotatable disk kind includes a guide extending along the coin flow path in the vicinity of an opening of a guide ring. The guide is swingable between a first position where its face is smoothly aligned with the inner circumference of the guide...http://www.google.co.uk/patents/US5114381?utm_source=gb-gplus-sharePatent US5114381 - Coin feeding apparatus for coin handling machine