| 摘要 |
Particles are discharged from a dispenser by pressing on a non-rotatable plunger attached to a helical spring. The linear motion of the plunger on the upper portion of the helical spring is converted to a rotary motion at the lower portion of the helical spring that is attached to an apertured plate. Rotation of the apertured plate causes openings in the dispenser base to aline with apertures in the plate to discharge particles. The amount of rotation of the plate and discharge can be adjusted.
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