| 摘要 |
A dispenser body comprises an upper portion and a lower portion vertically extending from the upper portion. A piston is substantially L-shaped, comprising a horizontal nozzle fixed to the upper body portion and a piston body located at the lower body portion. A cylinder is coupled with a swingable trigger and located at the lower body portion; it can reciprocate when the trigger is squeezed and released. An inlet conduit is formed within the cylinder, whereas an outlet conduit is provided within the piston. A slit is cut in the front section of the lower body portion. Thanks to this slit, the lower body portion is resiliently fitted in a bottle cap and, thus, connected thereto. The rear end of the trigger and the nozzle can pass through this slit. The piston is engaged with the cylinder, and supports the cylinder in its lower position, i.e., the non-operation position of the cylinder.
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