| 主权项 |
1. A pump dispenser for dispensing material under a manually-developed pressure, said dispenser comprising:
a container defining a cavity for storing the material; a pump body positionable in said cavity and having a pump chamber, a pickup chamber, and a dispensation chamber, and a central axis defining mutually perpendicular axial and radial directions, said pump body including an intake opening communicating said cavity with said pickup chamber; a piston positioned at said pump chamber and slidably engaged to said pump body, said piston being axially movable in said pump chamber, and including an air inlet aperture; an air intake valve regulating airflow through said air inlet aperture; a manipulator movably secured to said pump body at a manipulator actuation portion, said manipulator including an arm with a distal end configured to cooperate with said intake opening for passage of the material into said pickup chamber through said intake opening; and an actuator rod axially movable to actuate said manipulator to thereby movably operate said manipulator arm. |
