Inkjet head unit and inkjet recording device

US8979246B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8979246-B2
Application numberUS-201113996795-A
CountryUS
Kind codeB2
Filing dateDec 15, 2011
Priority dateDec 22, 2010
Publication dateMar 17, 2015
Grant dateMar 17, 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.

The object is to provide an inkjet head unit having: head chips having nozzles arranged on nozzle faces, and capable of discharging ink by respective independent pressure generating module from pressure chambers communicating with the nozzles; and a tabular head unit base on which the head chips are arranged and which is capable of holding the head chips, of abutting faces of the head unit base and the head chip, at least one of the abutting face on the head unit base side and the abutting face on the head chip side is formed in a stepped shape, so that the height of the abutting face of the head chip relative to the surface of the head unit base is partially changed, and the head chip is thereby attached to be inclined relative to the surface of the head unit base.

First claim

Opening claim text (preview).

The invention claimed is: 1. An inkjet head unit comprising: a plurality of head chips, each of the plurality of head chips comprising: a nozzle face; a plurality of nozzles arranged on the nozzle face; and a plurality of pressure chambers in communication with the plurality of nozzles; wherein each of the plurality of head chips is structured to discharge an ink from the plurality of pressure chambers; and a tabular head unit base on which the plurality of head chips a…

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What does patent US8979246B2 cover?
The object is to provide an inkjet head unit having: head chips having nozzles arranged on nozzle faces, and capable of discharging ink by respective independent pressure generating module from pressure chambers communicating with the nozzles; and a tabular head unit base on which the head chips are arranged and which is capable of holding the head chips, of abutting faces of the head unit base…
Who is the assignee on this patent?
Sakai Shigekazu, Takafuji Yoshifumi, Machida Yuichi, and 4 more
What technology area does this patent fall under?
Primary CPC classification B41J2/145. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Mar 17 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).