Patent ID: 7984833

Claim:
A fluid dispenser comprising: a container defining a chamber adapted to receive a fluid therein; a discharging tube extending into said chamber, defining a fluid passage in fluid communication with said chamber, and having an outlet disposed outwardly of said chamber and in fluid communication with said fluid passage; a movable valve body disposed outwardly of said chamber and sleeved and slidable on said discharging tube relative to said container between a first position, in which said movable valve body blocks said outlet of said discharging tube, thereby preventing the fluid from flowing from said chamber through said fluid passage and said outlet of said discharging tube, and a second position, in which said movable valve body unblocks said outlet of said discharging tube, thereby permitting the fluid to pass from said chamber through said fluid passage and said outlet of said discharging tube; and an urging member disposed outwardly of said fluid passage and biasing said movable valve body for restoring said movable valve body to the first position; wherein said container has top and bottom ends, and is provided with a piston that is disposed movably in said container between said top and bottom ends of said chamber, and that confines sealingly a top side of said chamber, said piston being provided with a hollow plunger extending therefrom and disposed outwardly of said chamber, said movable valve body having a lower end, said plunger being sleeved on said discharging tube and having an upper end that is axially spaced apart and that is disposed below said lower end of said movable valve body when said movable valve body is disposed at the first position, and that abuts against said lower end of said movable valve body when said movable valve body is disposed at the second position.