LIQUID AGENT APPLICATION DEVICE
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United States of America Patent
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Issued Date -
Sep 10, 2020
app pub date -
Jul 3, 2018
filing date -
Sep 28, 2017
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Abstract
[Object] A liquid agent application device capable of adjusting the displacement amount of a diaphragm is provided. [Solution] The liquid agent application device 10 includes a diaphragm 12 that changes the internal volume of a liquid agent reservoir 11, and a drive unit 13 located on the diaphragm 12. The drive unit 13 includes a driving piezoelectric element 20 that vibrates in response to application of a drive voltage signal, and a horn 21 that vibrates together with the driving piezoelectric element 20.
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