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Feeding device and image forming apparatus

A technology for supplying equipment and images, applied in the directions of transportation and packaging, electrical recording technology applying charge patterns, equipment for electrical recording technology applying charge patterns, etc., can solve the problem of not being able to reliably prevent paper from getting wet, etc.

Active Publication Date: 2008-10-01
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the paper cannot be reliably prevented from getting wet

Method used

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  • Feeding device and image forming apparatus
  • Feeding device and image forming apparatus
  • Feeding device and image forming apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] refer to figure 1 , the image forming apparatus 100 according to the embodiment of the present invention will be described in detail below. The apparatus 100 mainly includes a scanner 200 , an image forming unit 300 , and a paper supply device 400 .

[0014] The scanner 200 includes an automatic document feeder 201 , a first document platform 202 , a second document platform 203 , a first mirror base 204 , a second mirror base 205 , a lens 206 and a charge coupled device (CCD) 207 .

[0015] The document feeder 201 supplies documents one by one from the document tray 211 to the exit tray 212 via the second document platform 203 . The document feeder 201 is supported at its rear edge to pivotably cover the upper side of the first document platform 202 . A document can be manually placed on the first document platform 202 by raising the front edge of the document feeder 201 to expose the upper side of the platform.

[0016] The document platforms 202 and 203 are hard g...

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PUM

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Abstract

A feeding device according to the present invention holds a pile of sheets of paper in it. Feed force so acts selectively on a specified region of the upper side of the held top sheet as to feed the held sheets one after one in a feed direction. The feeding device includes a flat press plate and a support. The press plate is not smaller in the feed direction and the cross directions perpendicular to the feed direction than the maximum size of the sheets which can be held in the main body. The press plate is not larger in the feed and cross directions than the inner size of the main body. The press plate has a first opening formed over the specified region. The press plate is supported vertically movably above the held sheets by the support.

Description

Background technique [0001] An image forming apparatus or another paper processing apparatus includes a feeding device including a feeding cassette. The supply cassette holds multiple sheets of paper. The paper feeding device feeds accommodated paper one by one as required. In general, a paper supply device of a paper processing apparatus supplies paper in downward order from a supply cassette. [0002] Before the supply cassettes of the paper handling device contain the sheets, they are wrapped in an airtight material so as to have low humidity. If the device is placed in a humid environment, the paper contained in the supply cassette absorbs moisture and may become too moist. In this case, the upper sheets in the cassette, which are most exposed to moisture, absorb moisture fastest, and the lower sheets in the cassette absorb moisture in descending order. [0003] When the upper sheet becomes wet, its surface properties change so that its frictional resistance decreases....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/00B65H1/00B65H3/06
CPCB65H1/26B65H1/14B65H3/46B65H2405/115B65H1/266
Inventor 木村正治谷口匡藤田正彦桂典史大石真嗣浅川昌也深田泰章难波丰明
Owner SHARP KK