US Patent 7984833 Fluid dispenser

A fluid dispenser includes: a container defining a chamber; a discharging tube defining a fluid passage and having an outlet disposed outwardly of the chamber; a movable valve body disposed outwardly of the chamber and sleeved and slidable on the discharging tube between first and second positions for blocking and unblocking the outlet of the discharging tube; and an urging member disposed outwardly of the fluid passage and biasing the movable valve body for restoring the movable valve body to the first position.