| 摘要 |
The objective of this invention is to provide a pump dispenser transmitting precisely the trigger motion and enabling stable operation of a piston section. As a means to achieve this objective, a manual operative pump dispenser A mounted on a vessel wherein the liquid contained in the cylinder section is compressed with a piston section by the displacement of a trigger structure and is ejected through the nozzle orifice, including a base body fixed on the vessel orifice via a packing structure, a cylinder section and a vent cylinder section formed in adjacent to each other on the base body, and a trigger structure including a trigger section, a second valve casing section mounted on the base body, and a trigger guide section oscillating in the vent cylinder section is provided.
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