发明名称 INK-JET RECORDING DEVICE AND INK SUPPLY UNIT SUITABLE FOR IT
摘要 Ink maintained at a negative pressure state is supplied to an ink-jet recording head via an ink supply mechanism constructed as a differential pressure valve having a coil spring and a movable membrane normally contacted elastically with a valve seat by the coil spring.
申请公布号 US2008303883(A1) 申请公布日期 2008.12.11
申请号 US20080186965 申请日期 2008.08.06
申请人 SEIKO EPSON CORPORATION 发明人 MIYAZAWA HISASHI
分类号 B41J2/175;B41J2/18 主分类号 B41J2/175
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