Process cartridge having cover for protecting photosensitive drum

US8995877B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8995877-B2
Application numberUS-201213685066-A
CountryUS
Kind codeB2
Filing dateNov 26, 2012
Priority dateNov 30, 2011
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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  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 process cartridge includes: a photosensitive member unit having a photosensitive member; a developing unit detachably mountable on the photosensitive member unit and having a developing roller; a movable member configured to move between a first position and a second position when the developing unit is mounted on the photosensitive member unit, the movable member at the first position permitting the photosensitive member and the developing roller to be in contact with each other and the movable member at the second position permitting the photosensitive member and the developing roller to be in separation from each other; and a covering member configured to cover the photosensitive member, the movable member being at the second position in a state where the covering member covers the photosensitive member.

First claim

Opening claim text (preview).

What is claimed is: 1. A process cartridge comprising: a photosensitive member unit having a photosensitive member; a developing unit detachably mountable on the photosensitive member unit and having a developing roller, the developing roller defining an axis extending in an axial direction; a movable member configured to move between a first position and a second position when the developing unit is mounted on the photosensitive member unit, the movable member at the first po…

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What does patent US8995877B2 cover?
A process cartridge includes: a photosensitive member unit having a photosensitive member; a developing unit detachably mountable on the photosensitive member unit and having a developing roller; a movable member configured to move between a first position and a second position when the developing unit is mounted on the photosensitive member unit, the movable member at the first position permit…
Who is the assignee on this patent?
Itabashi Nao, Brother Ind Ltd
What technology area does this patent fall under?
Primary CPC classification G03G21/1832. Mapped technology areas include Physics.
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).