发明名称 LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS
摘要 A liquid ejecting head includes a liquid supply member including a flow channel formation member in which flow channel groove portions having different lengths is formed each, a flexible member that seals an opening of each of the flow channel groove portions to form a liquid flow channel, a pressure reception portion formation plate that has an opening formed for each of the liquid flow channels, each of the openings overlapping the corresponding liquid flow channel formed, and valves each urged by a coil spring to close the corresponding liquid flow channel, the valve opening the channel against an urging force of the spring due to the positional change of a pressure reception portion as pressure inside the liquid flow channel changes, wherein the openings of the pressure reception portion formation plate have a uniform shape.
申请公布号 US2011242239(A1) 申请公布日期 2011.10.06
申请号 US201113075148 申请日期 2011.03.29
申请人 SEIKO EPSON CORPORATION 发明人 HARA KEIJI
分类号 B41J2/175 主分类号 B41J2/175
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