发明名称 |
Droplet-jetting device with pressure chamber expandable by elongation of pressure-generating section |
摘要 |
A droplet-jetting device, which is usable for an ink-jet recording apparatus, comprises a pressure chamber disposed between a cavity plate and a pressure-generating section of a piezoelectric actuator. The pressure-generating section and the cavity plate are connected by a connecting section. When a voltage is applied to the piezoelectric actuator, the pressure-generating section is elongated to depress the bottom of the pressure chamber downwardly so that the volume of the pressure chamber is increased. The droplet-jetting device is realized, in which the area of arrangement of the pressure-generating section is decreased to suppress the electrostatic capacity and the pull-eject can be performed by applying the voltage only when the device is driven.
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申请公布号 |
US7121651(B2) |
申请公布日期 |
2006.10.17 |
申请号 |
US20030434792 |
申请日期 |
2003.05.08 |
申请人 |
BROTHER KOGYO KABUSHIKI KAISHA |
发明人 |
TAKAHASHI YOSHIKAZU;ISHIKAWA HIROYUKI |
分类号 |
B41J2/045;B41J2/04;B41J2/14 |
主分类号 |
B41J2/045 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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