Selling merchandisc method by self cup for automatic selling machine

摘要

PURPOSE: A product selling method of a vending machine using a purchaser's cup is provided to save resources and reduce environmental pollution by abstaining the use of disposable cups. CONSTITUTION: In a product selling method of a vending machine using a purchaser's cup, the purchaser puts his or her cup into a product discharging opening of the vending machine. A device for sensing cups senses the purchaser's cup put into the product discharging opening. When a money-sum above a selling price is inputted to the vending machine and a product is selected by the purchaser, the corresponding product is discharged into the purchaser's cup. The difference according to using the purchaser's own cup without using a disposable cup is subtracted from the product price or returned as the change to the purchaser.