Image forming device having holder positioning arrangement

US9014597B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9014597-B2
Application numberUS-201213411749-A
CountryUS
Kind codeB2
Filing dateMar 5, 2012
Priority dateJun 30, 2011
Publication dateApr 21, 2015
Grant dateApr 21, 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.

An image forming apparatus includes a main frame, a holder and an exposure unit. The holder holds a plurality of photosensitive drums arrayed in a predetermined array direction, and movable in an accommodating direction to be accommodated in the main frame. The holder includes a pair of metal plates each positioned at each axial end portion of each photosensitive drum. Each of the pair of metal plates has a downstream end portion in the accommodating direction provided with a positioning portion. The main frame includes a pair of first side walls, a pair of second side walls, a linking member, and a support portion. Each of the pair of second side walls is fixed to each first side wall and made from a metal. Each second side wall includes a major portion supporting the exposure unit, and an extension portion extending from the major portion toward the photosensitive drum.

First claim

Opening claim text (preview).

What is claimed is: 1. An image forming apparatus comprising: a main frame; a holder holding a plurality of photosensitive drums arrayed in a predetermined array direction, and movable in an accommodating direction parallel to the array direction to be accommodated in the main frame, the holder comprising a pair of metal plates each positioned at each axial end portion of each photosensitive drum, and each having a downstream end portion in the accommodating direction provided w…

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Frequently asked questions

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What does patent US9014597B2 cover?
An image forming apparatus includes a main frame, a holder and an exposure unit. The holder holds a plurality of photosensitive drums arrayed in a predetermined array direction, and movable in an accommodating direction to be accommodated in the main frame. The holder includes a pair of metal plates each positioned at each axial end portion of each photosensitive drum. Each of the pair of metal…
Who is the assignee on this patent?
Tomatsu Yoshiya, Brother Ind Ltd
What technology area does this patent fall under?
Primary CPC classification G03G21/1619. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Apr 21 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).