Sheet feeding apparatus and image forming apparatus

US9033334B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9033334-B2
Application numberUS-201314055065-A
CountryUS
Kind codeB2
Filing dateOct 16, 2013
Priority dateDec 7, 2012
Publication dateMay 19, 2015
Grant dateMay 19, 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 sheet feeding apparatus comprising: a storage portion; a feeding portion; and a separation portion, wherein the separation portion includes: a separation member which rotates around a rotation center shaft to separate one by one the sheets; an urging portion which applies a force to the rotation center shaft toward the feeding portion; a torque imparting portion to impart a torque to the separation member in a direction opposite to a direction which the separation member rotates; a first and a second support member which supports one end and other end of the rotation center shaft while regulating rotation of the rotation center shaft; and a deviation restraining portion which restrains deviation of a reaction force of the torque applied to the separation member by the torque imparting portion and acting on the first support member and the second support member.

First claim

Opening claim text (preview).

What is claimed is: 1. A sheet feeding apparatus comprising: a stacking portion on which a sheet is stacked; a feeding portion configured to feed the sheet stacked on the stacking portion; a separation roller configured to separate the sheet fed by the feeding portion; a shaft configured to support the separation roller; a torque limiter configured to connect the shaft and the separation roller; a supporting unit configured to support the shaft, wherein a rotation of the…

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What does patent US9033334B2 cover?
A sheet feeding apparatus comprising: a storage portion; a feeding portion; and a separation portion, wherein the separation portion includes: a separation member which rotates around a rotation center shaft to separate one by one the sheets; an urging portion which applies a force to the rotation center shaft toward the feeding portion; a torque imparting portion to impart a torque to the sepa…
Who is the assignee on this patent?
Canon Kk
What technology area does this patent fall under?
Primary CPC classification B65H3/5215. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue May 19 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).