Machine for making, displaying and dispensing ice cream

A machine for making and dispensing a liquid or semi-liquid product, comprising:

• a wall including an opening;
• at least one container adapted to contain a basic mixture, the at least one container including an opening and being positioned in the opening of the wall;
• a stirrer and a refrigeration system, operatively associated with the at least one container respectively for mixing the basic mixture and for cooling the basic mixture to convert the basic mixture into the liquid or semi-liquid product, the refrigeration system including a circuit containing a heat exchanger fluid, the circuit also including a compressor, a condenser and an evaporator;
• an annular flange including a central opening;
• a coupling device for coupling the annular flange to the wall;
• wherein the coupling device comprises:
• a plurality of pins connected to the wall;
• and
• at least one spring connected to the annular flange;
• wherein the plurality of pins and the at least one spring are configured to be coupled to each other;
• wherein the at least one spring is configured to be elastically deformed when one of the pins is engaged with the at least one spring;
• wherein the central opening is positioned over the opening of the at least one container when the annular flange is coupled to the wall to allow access through the central opening into the container;
• a lid movably connected to the annular flange to close the opening of the at least one container in use.