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US 2011/0234701 A1Published application
Liquid ejecting head, liquid ejecting head unit, and liquid ejecting apparatus
AssigneeSeiko Epson Corporation
InventorsHaruki Kobayashi, Shunsuke Watanabe
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Abstract
Concave portions are provided at both side faces of the reinforcing plate in the juxtaposition direction of the actuators on a discharge face side in which the nozzle orifices are opened. Second exposed portions, in which corner portions that include the discharge face sides of convex portions formed by the concave portions and the side faces of the reinforcing plate are exposed, are provided at both side faces of the case in the juxtaposition direction of the actuators.
Claims7
A liquid ejecting head comprising:
- a flow path unit in which nozzle orifices and flow paths communicating with the nozzle orifices are provided;
- a case fixed to the flow path unit;
- and
- an actuator unit which is fixed to the case and in which actuators that generate a pressure change in the flow paths are juxtaposed,
- wherein the case is formed by a resin molding material and also a reinforcing plate is buried in the case over a juxtaposition direction of the actuators,
- first exposed portions in which the reinforcing plate is exposed are provided at a face on the opposite side to a face of the case, which is fixed to the flow path unit,
- concave portions are provided at both side faces of the reinforcing plate in the juxtaposition direction of the actuators on a discharge face side in which the nozzle orifices are opened, and
- second exposed portions, in which corner portions that include the discharge face sides of convex portions formed by the concave portions and the side faces of the reinforcing plate are exposed, are provided at both side faces of the case in the juxtaposition direction of the actuators.
5 more elements
Dependencies are inferred from the claim text.