Paper feeding unit and paper treating device

A technology of paper processing device and supply unit, applied in thin material processing, transportation and packaging, stack receiving device, etc., can solve problems such as image defects

Inactive Publication Date: 2007-01-24
FUJIFILM BUSINESS INNOVATION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, image defects such as skewing of long paper due to errors during transport

Method used

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  • Paper feeding unit and paper treating device
  • Paper feeding unit and paper treating device
  • Paper feeding unit and paper treating device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0099] image 3 is a schematic diagram showing a first example of a tandem image forming apparatus as a sheet processing apparatus to which the present invention is applied.

[0100] exist image 3 Among them, the tandem imaging device has imaging units 22 (specifically, 22a to 22d ) for four colors (black, yellow, magenta, and cyan in the first embodiment) arranged laterally in a casing 21 . Above the image forming unit 22 , an intermediate transfer belt 23 is provided, which is conveyed and circulated in the alignment direction of the image forming unit 22 . In addition, a paper supply cassette 24 for receiving paper (not shown) such as paper is provided at a lower portion of the housing 21, and a paper conveying path 25 protruding from the paper supply cassette 24 is provided substantially vertically.

[0101] In the first embodiment, for example, the image forming units 22 ( 22 a to 22 d ) respectively form black, yellow, magenta, and cyan toner images in downstream orde...

no. 2 example

[0149] Figure 9 is a schematic diagram showing a second embodiment of a tandem image forming apparatus as a sheet processing apparatus to which the present invention is applied.

[0150] Figure 9 In the tandem image forming apparatus in , its basic structure is the same as that of No. The ones in one embodiment are basically the same.

[0151] Incidentally, the same constituent parts as in the first embodiment are denoted by the same reference numerals as in the first embodiment, and detailed description thereof will not be given below.

[0152] In the above example, if Figure 9 with 10As shown, the discharge / reception unit 150 has a unit body 151 detachably mounted on the discharge tray 68 formed on the top of the housing 21 . In the unit body 151, a spatial portion facing the paper discharge port opening 69 of the casing 21 is formed. The space portion is divided by a section plate 153 to form a paper receiving chamber 152 for receiving the long paper S in a state i...

no. 3 example

[0195] Figure 19 is a schematic diagram showing a third embodiment of a tandem image forming apparatus as a sheet processing apparatus to which the present invention is applied.

[0196] exist Figure 19 , the basic structure of the tandem image forming apparatus is the same as that in the first embodiment, except that a cassette-type paper supply unit (corresponding to the paper supply cassette) 24 is used to support long paper, and in the second embodiment The manual paper insertion type paper supply unit 70 also functions as a paper discharge unit.

[0197] Incidentally, the same constituent elements as those in the first and second embodiments are denoted by the same reference numerals as those in the first embodiment, and thus will not be described in detail below.

[0198] In the third embodiment, the cassette paper supply unit 24 is structured as Figure 19 and 20A are shown. That is, the cassette body 214 capable of receiving paper of a standard size serves as a s...

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PUM

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Abstract

A sheet supply tray and a sheet discharge tray are provided. Long sheets can be supplied from the sheet supply tray loaded with the long sheets. The sheet discharge tray is used also as the sheet supply tray, and receives the long sheets with a sheet discharge surface thereof in an area facing the sheet loading surface of the sheet supply tray. A discharge guide unit for guiding the discharge direction of the long sheets is detachably provided in such a dual-purpose type sheet discharge unit. A discharge / reception unit supporting the long sheets is detachably provided as a whole or a part of the sheet discharge unit. An extension sheet tray extensible with respect to a standard sheet tray is provided while the extension state of the extension sheet tray can be detected by an extension detection unit.

Description

[0001] The present invention is a divisional application of Chinese Invention Patent Application No. 03120746.4 with the filing date of March 19, 2003 and the title of the invention being "paper discharge unit and paper processing device". [0002] The present disclosure is related to subject matter contained in Japanese Patent Application No. 2002-076791 filed Mar. 19, 2002, the entire content of which is hereby incorporated by reference. technical field [0003] The present invention relates to a paper discharge unit for discharging paper or the like or a paper supply unit for supplying paper, and more particularly to an improvement of a paper discharge unit, a paper supply unit, and a paper processing device using these units, which can effectively Eject or supply long paper smoothly. Background technique [0004] One of the examples of the sheet processing apparatus is an image forming apparatus employing an electro-photographic system or the like. [0005] In an image ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H31/20B65H29/00B65H29/58
Inventor 长谷川阳介
Owner FUJIFILM BUSINESS INNOVATION CORP
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