Feeding device and image forming apparatus

US8955835B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8955835-B2
Application numberUS-201314078698-A
CountryUS
Kind codeB2
Filing dateNov 13, 2013
Priority dateNov 15, 2012
Publication dateFeb 17, 2015
Grant dateFeb 17, 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.

In the invention, after the last sheet is conveyed from a paper feed tray, the paper feed tray is lifted up so that the paper feed tray is brought into contact with a suction belt. An elastic cleaning member that removes paper particles, or the like, is installed at an area of the paper feed tray where the paper feed tray is in contact with the suction belt. The suction belt is driven while the cleaning member is in contact with the suction belt. The paper particles, or the like, removed from the suction belt by the cleaning member are collected in a paper-particle collecting device from a vacuum chamber via a vacuum duct.

First claim

Opening claim text (preview).

What is claimed is: 1. A feeding device comprising: a sheet placement unit configured to place sheets in stacked state thereon; an air discharge unit configured to discharge air to the sheets so as to float a single sheet that is located at top of the sheets; a suction conveying unit configured to suction, due to a negative pressure, the single floated sheet located at the top of the sheets and conveys the sheet; an upper-surface position detection unit configured to be brou…

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What does patent US8955835B2 cover?
In the invention, after the last sheet is conveyed from a paper feed tray, the paper feed tray is lifted up so that the paper feed tray is brought into contact with a suction belt. An elastic cleaning member that removes paper particles, or the like, is installed at an area of the paper feed tray where the paper feed tray is in contact with the suction belt. The suction belt is driven while the…
Who is the assignee on this patent?
Satoh Hideyuki, Ishizaki Masaki, Edo Yousuke, and 2 more
What technology area does this patent fall under?
Primary CPC classification B65H3/128. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Feb 17 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).