Liquid ejection head and image forming apparatus

US8960876B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8960876-B2
Application numberUS-201414324354-A
CountryUS
Kind codeB2
Filing dateJul 7, 2014
Priority dateJul 12, 2013
Publication dateFeb 24, 2015
Grant dateFeb 24, 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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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A liquid ejection head includes nozzles ejecting liquid droplets; individual liquid chambers in communication with the nozzles; liquid supply paths in communication with the individual liquid chambers; a common liquid chamber storing liquid to be supplied to the liquid supply paths; filter members disposed between the common liquid chamber and the respective liquid supply paths, the filter members including filter regions to filter the liquid; and one or more dividing wall sections, each disposed between the liquid supply paths. Further, the filter region of the filter member is bonded to the one or more dividing wall sections and the outer peripheral parts with adhesive and the filter region of the filter member is bent in a direction opposite to a direction in which liquid flows from the common liquid chamber to the liquid supply paths.

First claim

Opening claim text (preview).

What is claimed is: 1. A liquid ejection head comprising: a plurality of nozzles configured to eject liquid droplets; a plurality of individual liquid chambers communication with the nozzles; a plurality of liquid supply paths in communication with the individual liquid chambers; a common liquid chamber configured to store liquid to be supplied to the liquid supply paths; filter members disposed between the common liquid chamber and the respective liquid supply paths, the…

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What does patent US8960876B2 cover?
A liquid ejection head includes nozzles ejecting liquid droplets; individual liquid chambers in communication with the nozzles; liquid supply paths in communication with the individual liquid chambers; a common liquid chamber storing liquid to be supplied to the liquid supply paths; filter members disposed between the common liquid chamber and the respective liquid supply paths, the filter memb…
Who is the assignee on this patent?
Yoneta Ryohta, Ricoh Co Ltd
What technology area does this patent fall under?
Primary CPC classification B41J2/1612. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Feb 24 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).