Liquid ejecting head, liquid ejecting apparatus, and manufacturing method of liquid ejecting head
AssigneeSeiko Epson Corporation
InventorsFujio AKAHANE, Hiroaki OKUI, Shunsuke WATANABE
Life of this patent
Estimating the term…
Abstract
Provided is a liquid ejecting head including a fixing plate which includes a first surface and a second surface on a side opposite to the first surface, a plurality of head units which are fixed to the second surface such that the head units can eject liquid to the first surface side of the fixing plate, and a case member which includes a wall portion that is formed to surround the head units and fixed to the fixing plate and which has a plurality of protrusion portions formed in a part of the wall portion, which is the portion facing the fixing plate.
Claims20
A liquid ejecting head comprising:
- a fixing plate which includes a first surface and a second surface on a side opposite to the first surface;
- a plurality of head units which are fixed to the second surface such that the head units can eject liquid to the first surface side of the fixing plate;
- and
- a case member which includes a wall portion that is formed to surround the head units and fixed to the fixing plate and which has a plurality of protrusion portions formed in a part of the wall portion, which is the portion facing the fixing plate.
A manufacturing method of a liquid ejecting head including a fixing plate which includes a first surface and a second surface on a side opposite to the first surface, a plurality of head units which eject liquid, and a case member which includes a wall portion having a plurality of protrusion portions formed thereon, the method comprising:
- fixing the plurality of head units to the second surface, in a state where the fixing plate is mounted on a surface plate, such that liquid can be ejected onto the first surface side of the fixing plate;
- and
- fixing the case member to the fixing plate, while maintaining the state where the fixing plate is mounted on the surface plate, such that the wall portion surrounds the head units and the plurality of protrusion portions are in contact with the second surface of the fixing plate.
Dependencies are inferred from the claim text.