Image forming apparatus

US8965256B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8965256-B2
Application numberUS-201213688480-A
CountryUS
Kind codeB2
Filing dateNov 29, 2012
Priority dateNov 30, 2011
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.

An image forming apparatus includes an image bearing member unit including a toner image carrying member, a transfer unit including a movable endless belt for transferring the toner image from the carrying member onto a transfer material, a plurality of stretching members for stretching the endless belt, and a supporting portion, provided at an end portion with respect to a widthwise direction, for supporting the stretching members. In addition, a main assembly frame is provided at a position opposing the supporting portion and includes a positioning portion for determining positions of the plurality of stretching members, wherein the supporting portion is movable relative to the main assembly frame.

First claim

Opening claim text (preview).

What is claimed is: 1. An image forming apparatus comprising: a plurality of image bearing member units provided with image bearing members for carrying toner images, respectively; a transfer unit including a movable endless belt for transferring the toner image from said respective image bearing members onto a transfer material, a plurality of stretching members for stretching said endless belt, and a first frame portion supporting said stretching members; a second frame port…

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What does patent US8965256B2 cover?
An image forming apparatus includes an image bearing member unit including a toner image carrying member, a transfer unit including a movable endless belt for transferring the toner image from the carrying member onto a transfer material, a plurality of stretching members for stretching the endless belt, and a supporting portion, provided at an end portion with respect to a widthwise direction,…
Who is the assignee on this patent?
Canon Kk
What technology area does this patent fall under?
Primary CPC classification G03G15/1615. 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).