Development device, and image forming apparatus and process cartridge incorporating same

US8965254B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8965254-B2
Application numberUS-201213730199-A
CountryUS
Kind codeB2
Filing dateDec 28, 2012
Priority dateFeb 20, 2012
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 development device includes a developer bearer to carry by rotation developer to a development range facing a latent image bearer and a developer regulator to adjust an amount of developer transported to the development range by the developer bearer. The developer bearer includes a developer carrying range having surface unevenness; and a surface of the developer bearer is coated with a coating material including a resin material and particles to roughen the surface.

First claim

Opening claim text (preview).

What is claimed is: 1. A development device comprising: a developer bearer to carry by rotation developer to a development range facing a latent image bearer, the developer bearer including a developer carrying range having surface unevenness; and a developer regulator to adjust an amount of developer transported to the development range by the developer bearer, wherein a corner portion on a second end side of the developer regulator contacts the surface of the developer bearer,…

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Frequently asked questions

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What does patent US8965254B2 cover?
A development device includes a developer bearer to carry by rotation developer to a development range facing a latent image bearer and a developer regulator to adjust an amount of developer transported to the development range by the developer bearer. The developer bearer includes a developer carrying range having surface unevenness; and a surface of the developer bearer is coated with a coati…
Who is the assignee on this patent?
Ogawa Yoshiko, Ishii Yasuyuki, Endou Osamu, and 2 more
What technology area does this patent fall under?
Primary CPC classification G03G15/0812. Mapped technology areas include Physics.
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).