Patent ID: 8763857

Claim:
A liquid dispensing system for use with a bag of liquid including a spigot, the system comprising: a cavity arranged to receive the bag of liquid, wherein the cavity includes a front wall; a spigot-recess defined on the front wall of the cavity and arranged to engage the spigot, the spigot-recess being located in the front wall; a top plate assembly arranged to be alternatingly positioned between an open position and a closed position, the top plate assembly including a pressure plate positioned at a top of the cavity, the pressure plate arranged to apply a downward force on the bag of liquid; a lifting plate arranged to lift the bag of liquid and to apply an upward force on the bag of liquid, the lifting plate arranged to move in the cavity between a bottom-most position and a top-most position which is different from the bottom-most position; a lifter assembly interfaced with the lifting plate, the lifter assembly arranged to guide the lifting plate to the top-most position and including at least one guide interfaced with a notch defined in an outer periphery of the lifting plate to orient a vertical ascent and descent of the lifting plate; at least one biasing device arranged to apply a biasing force to one end to the lifting plate, the at least one biasing device including a collapsible support member; an engaging member arranged on the lifting plate; and a retaining member arranged on a base of the cavity; wherein the retaining member is arranged to fix the lifting plate in the bottom-most position by engaging with the engaging member; and the retaining member is arranged to release the engaging member of the lifting plate when the top plate assembly is moved into the closed position.