In a coin sorting device which rolls a coin along a sorting passage and which carries out a sorting operation for the coin during movement of the coin, it is readily possible to remove unnecessary material from the sorting passage. The unnecessary material may be surface material which is separated from...http://www.google.fr/patents/US5293981?utm_source=gb-gplus-shareBrevet US5293981 - Coin sorting device in which unnecessary material can be readily removed from a sorting passage
Coin sorting device in which unnecessary material can be readily removed ...
