发明名称 |
Inkjet head and ejection device |
摘要 |
A housing of inkjet head has a projection that is formed with a plurality of opening grooves defined between adjacent two of projecting parts, and tip ends of the projecting parts are fixed to a diaphragm plate. Piezoelectric elements are inserted in respective opening grooves and fixed to a diaphragm of the diaphragm plate at positions opposite respective pressure chambers.
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申请公布号 |
US7131718(B2) |
申请公布日期 |
2006.11.07 |
申请号 |
US20040867714 |
申请日期 |
2004.06.16 |
申请人 |
RICOH PRINTING SYSTEMS, LTD. |
发明人 |
MATSUFUJI RYOUTA;TOBITA SATORU;AKIYAMA YOSHITAKA;SUMIYA TOSHIHARU;MATSUMOTO YOSHIKANE |
分类号 |
B41J2/045;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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