Liquid ejecting head and liquid ejecting apparatus

US8991981B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8991981-B2
Application numberUS-201414452913-A
CountryUS
Kind codeB2
Filing dateAug 6, 2014
Priority dateAug 9, 2013
Publication dateMar 31, 2015
Grant dateMar 31, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A liquid ejecting head includes a head chip in which two or more nozzle groups are disposed, a first inlet that communicates with one of the nozzle groups and a second inlet that communicates with the other nozzle group a wiring member that is disposed between the first second inlets, a first connection flow path that is connected to the first inlet, a second connection flow path that is connected to the second inlet, and a wiring substrate to which the wiring member is connected between the first connection flow path and the second connection flow path.

First claim

Opening claim text (preview).

What is claimed is: 1. A liquid ejecting head comprising: a head chip in which two or more nozzle groups, each being configured by a plurality of nozzles, are disposed in a reference direction on a liquid ejecting surface, wherein the head chip includes a first inlet that is disposed on a surface side opposite to the liquid ejecting surface to communicate with one of the nozzle groups and a second inlet that communicates with the other nozzle group, wherein the first inlet and the…

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What does patent US8991981B2 cover?
A liquid ejecting head includes a head chip in which two or more nozzle groups are disposed, a first inlet that communicates with one of the nozzle groups and a second inlet that communicates with the other nozzle group a wiring member that is disposed between the first second inlets, a first connection flow path that is connected to the first inlet, a second connection flow path that is connec…
Who is the assignee on this patent?
Seiko Epson Corp
What technology area does this patent fall under?
Primary CPC classification B41J2/14. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Mar 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).