A coin lifting mechanism employs a pair of rollers to lift coins reliably to an elevated position. The pair of rollers have spaced rotating surfaces that are resiliently urged toward one another and against opposing faces of the coin to hold the coin therebetween. The rotating surfaces rotate in opposite...http://www.google.com.hk/patents/US6095916?utm_source=gb-gplus-share專利 US6095916 - Coin lifting mechanism
