Patent ID: 8177100

Claim:
An apparatus for dispensing a beverage, for use with pressurized sources of one or more fluids, comprising: a handle having one or more valve chambers; a fluid valve disposed in each valve chamber, each said valve having a valve stem; one or more butterfly plates each configured to bias one or more of the valve sterns towards a valve-open position when the butterfly plate is pressed, thus opening a fluidic communication from each of said pressurized sources of the fluids to a corresponding discharge opening; and a ball bearing cluster sized and dimensioned to provide one or more pivot points for the butterfly plates, the ball bearing cluster comprising a retainer and at least one ball-shaped projection projecting from the retainer, wherein the ball bearing cluster is configured such that the ball-shaped projection remains in a substantially fixed position and orientation with respect to both the retainer and the handle when one or more of the butterfly plates is pressed.