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Hopper unit

A paper feeding and paper device technology, applied in the direction of instruments, electrography, optics, etc., can solve the problems of baffle barriers, changes, and inability to prepare the next stack of document papers, etc.

Inactive Publication Date: 2006-09-20
PFU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing paper feeder does not have a paper stopper, so it is necessary to set the paper after the paper feeder is installed in the main body of the device.
[0005] Therefore, there is a problem that when the device is reading document sheets, the next stack of document sheets cannot be prepared on another sheet feeder because the sheet feeder is not provided with a paper stopper.
Therefore, there is a problem that the applied pressure against the paper feed roller varies depending on the amount of paper stacked on the tray portion, which is disadvantageous
[0008] In addition, there is another problem: when the feeder is rotated and stored in the main body of the unit, the shutter becomes an obstacle
[0010] Since the paper feeder is not provided with a paper stopper, there is a problem that the next stack of document paper cannot be prepared on another paper feeder while the document is being read
Therefore, there is a problem that the applied pressure against the feed roller varies depending on the number of document sheets stacked on the tray portion, which is disadvantageous
In addition, there is another problem that when the feeder is rotated and stored in the main body of the device, the shutter becomes an obstacle

Method used

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Experimental program
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Embodiment

[0045] Referring to the accompanying drawings, exemplary embodiments of the present invention will be described below. It should be noted that in the following description, the same parts are denoted by the same reference numerals, and there are cases where a detailed description thereof is omitted.

[0046] figure 1 Examples of the present invention are shown.

[0047] In the drawing, a tray 1 is configured to be able to be raised and lowered by a paper shutter unit 2 . The paper shutter unit 2 includes a shutter 8 and a pair of guide members 3 (vertical movement guides). The baffle plate 8 has through holes 9 into which a pair of stopper / slide rollers 4 are respectively inserted. Each guide member 3 is formed with a recess 11 . A space to receive the stopper / slide roller 4 is provided below the surface of the tray on which sheets are stacked. The tray 1 includes a pair of side plate members 13 each provided with a protrusion 12 that cooperates with the recess 11 of the ...

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PUM

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Abstract

A paper abutment plate is provided for improving setting characteristics such as alignment of leading ends of papers when the papers are set on a tray. When the hopper unit is installed in a main body of an apparatus, the paper abutment plate is fixed to the main body of the apparatus. When the paper is fed to the main body of the apparatus in a state that the paper abutment plate is fixed to the main body of the apparatus, only the tray on which the paper stacked is able to be raised and lowered while leaving the paper abutment plate as it is.

Description

technical field [0001] The present invention relates to a paper feeder (paper feeding unit) having a paper stopper for improving paper setting characteristics, so that it is possible to realize a paper feeder that, when the paper feeder is installed in a device main body, paper The shutter is fixed, and only the portion of the tray on which sheets are stacked is raised and lowered vertically. Background technique [0002] Generally, a scanner device is provided with a mechanism called a sheet feeder for feeding document sheets into the device main body. [0003] The paper feeder has a part called a tray on which document sheets are stacked, and there are two types of paper feeders: bottom take-out type and top take-out type, among which the paper feeder of the bottom take-out type is drawn from the bottom The paper feeder of the top ejection type feeds stacked document sheets starting from the top sheet (top ejection method). [0004] When the paper is fed into the main bo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H1/04
CPCG03G2215/00392G03G15/6514G03G2215/00383
Inventor 鹿肝满弘中山巧
Owner PFU LTD