Sheet feeding device and image forming apparatus

US8944429B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8944429-B2
Application numberUS-201414187883-A
CountryUS
Kind codeB2
Filing dateFeb 24, 2014
Priority dateMar 1, 2013
Publication dateFeb 3, 2015
Grant dateFeb 3, 2015

How to read this patent

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  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A sheet feeding cassette includes a sheet stacking portion provided turnably in a vertical direction within a cassette body. The sheet feeding cassette also includes first and second side edge restricting portions configured to restrict widthwise positions of the sheets. The second side edge restricting portion includes first and second pressing portions configured to press the sheets on the sheet stacking portion against the first side edge restricting portion. The second pressing portion provided upstream in the sheet feeding direction of the first pressing portion is moved up and down by an interlock mechanism in linkage with a total thickness of the sheets on the sheet stacking portion.

First claim

Opening claim text (preview).

What is claimed is: 1. A sheet feeding device comprising: a sheet feed cassette; and a sheet feeding portion configured to sequentially feed sheets stored in the sheet feed cassette; the sheet feed cassette including: a cassette body; a sheet stacking portion provided in the cassette body turnably in a vertical direction and pressing the stacked sheets against the sheet feeding portion; a first side edge restricting portion provided in the cassette body; a second side…

Assignees

Inventors

Classifications

  • Operations & Transport · mapped topic

  • B65H1/04Primary

    Operations & Transport · mapped topic

  • Operations & Transport · mapped topic

  • Operations & Transport · mapped topic

  • Operations & Transport · mapped topic

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Frequently asked questions

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What does patent US8944429B2 cover?
A sheet feeding cassette includes a sheet stacking portion provided turnably in a vertical direction within a cassette body. The sheet feeding cassette also includes first and second side edge restricting portions configured to restrict widthwise positions of the sheets. The second side edge restricting portion includes first and second pressing portions configured to press the sheets on the sh…
Who is the assignee on this patent?
Canon Kk
What technology area does this patent fall under?
Primary CPC classification B65H1/04. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Feb 03 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).