Patent ID: 6435377
Filing Date: 2002-08-20
Classification: A23G

Abstract:
A frozen dessert dispenser comprising:a heat-insulating box having a side formed with an opening; a heat-insulating door mounted on the heat-insulating box, the heat-insulating door capable of opening and closing the heat-insulating box opening; a cooling unit for cooling an atmosphere in the heat-insulating box; a dispensing cylinder having an open end, a lid for closing and opening the open end thereof, and a piston provided therein for sliding motion, the cylinder including a pack accommodating chamber defined between the piston and the lid therein so that a frozen dessert pack can be accommodated in the pack accommodating chamber when the lid is open; a pump operable to supply and discharge an operating fluid to and from a pressure chamber defined in the dispensing cylinder, the pressure chamber being located in a space opposite the pack accommodating chamber with respect to the piston; and a normally closed operating fluid introducing port provided in the cylinder, the operating fluid introducing port being opened when the piston reaches a bottom dead point, so that the operating fluid can be introduced therethrough into the pressure chamber.