In a bulk vendor having a dispensing wheel for carrying merchandise to a dispensing aperture, containers in the dispensing wheel are adjustable in size according to the size and volume of merchandise to be dispensed. An adjusting wing is rotationally secured to the dispensing wheel by a retractable pin,...http://www.google.com/patents/US5259532?utm_source=gb-gplus-sharePatent US5259532 - Coin operated vending machine with adjustable dispensing wheel
