| 发明名称 | Liquid ejecting apparatus | ||
| 摘要 | A liquid ejecting head includes: a nozzle plate formed with a plurality of nozzle orifices; a drive unit configured to apply pressure vibration to pressure generating chambers communicating to the plurality of nozzle orifices; and a head casing including the drive unit and having a surface opposed to the nozzle plate. The plurality of nozzle orifices defines a first nozzle array group and a second nozzle array group which are staggered, and the surface has a first recess and a second recess which are staggered. | ||
| 申请公布号 | US9039145(B2) | 申请公布日期 | 2015.05.26 |
| 申请号 | US201414444046 | 申请日期 | 2014.07.28 |
| 申请人 | SEIKO EPSON CORPORATION | 发明人 | Akahane Fujio |
| 分类号 | B41J2/045;B41J2/14;B41J2/15;B41J2/16;B41J2/165 | 主分类号 | B41J2/045 |
| 代理机构 | Sughrue Mion, PLLC | 代理人 | Sughrue Mion, PLLC |
| 主权项 | 1. A liquid ejecting head comprising: a nozzle plate formed with a plurality of nozzle orifices; a drive unit configured to apply pressure vibration to pressure generating chambers communicating to the plurality of nozzle orifices; and a head casing including the drive unit and having a surface opposed to the nozzle plate, wherein the plurality of nozzle orifices defines a first nozzle array group and a second nozzle array group which are staggered, and the surface has a first recess and a second recess which are staggered. | ||
| 地址 | Tokyo JP | ||