Liquid dispensing assembly

摘要

A liquid dispensing assembly including a stationary nozzle, a pump mechanism including a stationary, hollow dispensing tube attached at a first end to the nozzle and at its other end to a piston, a generally cylindrical operating body disposed about the piston and cooperating with the piston and the stationary dispensing tube and a housing containing and maintaining said stationary nozzle and said pump mechanism in relation to one another, wherein the pump mechanism is actuated by moving the cylindrical operating body toward the nozzle in order to dispense a unit dose.