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US 9,039,145 B2Granted
Liquid ejecting apparatus
AssigneeSeiko Epson Corporation
InventorFujio Akahane
Life of this patent
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Abstract
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.
Claims10
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.
3 more elements
Dependencies are inferred from the claim text.