Abstract: A tank for receiving a drink to be dispensed, the tank is rectangular in shape and opens upwardly, a discharge valve is located at the lower, front end of the tank, and a cover fits over the open end of the tank. Detents are formed at the upper end of the walls of the tank. A manually operable locking mechanism secures the cover in fixed position atop the tank. The locking mechanism comprises a vertical shaft or axle that extends through the central part of the cover. A knob is secured to the upper end of the shaft, and a cam is secured to the lower end of the shaft. A plurality of elongated rods pass through diametrically opposed slots in a housing secured to the underside, or interior, of the cover. One end of each rod has a contact surface which is urged against the perimeter of the cam, while the opposite end of the is a locking surface. When the knob is rotated in one direction, the locking surfaces of the rods are forced into the detents to lock the cover in fixed position.

Abstract: A machine for dispensing icy beverages such as slushes, sorbets and the like, particularly coffee-flavored ones, comprising at least one tank for containing an icy beverage, provided with at least one inlet and at least one outlet, elements for agitating the beverage, which are arranged inside the tank, and at least one refrigeration system provided with an evaporation unit associated with the tank, and elements for sensing and controlling the temperature of the beverage contained in the tank, which are functionally associated with the refrigeration system.