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Sheet processing device and image forming apparatus including the same

A processing device and sheet material technology, which is applied in the direction of thin material processing, stacking receiving device, transportation and packaging, etc., can solve the problems of collapsing of binding sheets, failure to prevent the collapsing of binding sheets, unstable stacking state of binding sheets, etc. , to achieve the effect of preventing collapse

Active Publication Date: 2014-12-03
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, when a large number of stapled sheets (sheet bundles) are stacked, the stacked state of the stapled sheets is unstable, and the stacked stapled sheets may collapse.
However, in the above-mentioned sheet post-processing apparatus, no special consideration is given to stacking a large number of stapled sheets stably, so there is a problem that the stapled sheets cannot be prevented from collapsing.

Method used

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  • Sheet processing device and image forming apparatus including the same
  • Sheet processing device and image forming apparatus including the same
  • Sheet processing device and image forming apparatus including the same

Examples

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Embodiment Construction

[0024] Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, in the drawings, the same reference numerals are assigned to the same or corresponding parts, and repeated descriptions are omitted. In the following description, for convenience, in each figure, the Y direction is referred to as the discharge direction of the sheet P and the sheet bundle S, and the Z direction is referred to as the loading direction or the up-down direction of the sheet P and the sheet bundle S, The X direction perpendicular to the discharge direction and the loading direction is referred to as the movement direction or the front-rear direction. In addition, in each drawing, the front Fr is set. The X direction, the Y direction, and the Z direction are orthogonal to each other. In this embodiment, the X direction and the Y direction are parallel to the horizontal axis, and the Z direction is parallel to the vertical axis.

[0025] First, ...

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PUM

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Abstract

A sheet processing device (3) includes an exit tray (33) and a sheet alignment mechanism (40). On the exit tray (33), ejected sheets (P) or ejected sheet sheaves (S) subjected to stapling are stacked. When at least a sheet (P) is ejected, the sheet alignment mechanism (40) aligns the sheets (P) in a manner to be in contact with and catch opposite ends of the sheets (P) stacked on the exit tray (33) from a base end side of the exit tray (33). When a sheet sheaf (S) is ejected, the sheet alignment mechanism (40) comes in contact with a plurality of points (A1, A2) on a topmost surface (U) of the sheet shaves (S) stacked on the exit tray (33) to detect a height difference (D) between the plurality of points (A1, A2).

Description

technical field [0001] The present invention relates to a sheet processing apparatus that performs predetermined processing such as stapling processing on sheets, and an image forming apparatus including the sheet processing apparatus. Background technique [0002] An image forming apparatus includes a sheet post-processing device. The sheet post-processing apparatus performs post-processing such as stapling processing on a sheet on which an image has been formed by a main body of an image forming apparatus such as a copier or a multifunction machine. [0003] A sheet post-processing device includes a discharge tray and a stapler. Stapled sheets obtained by performing a stapling process on a plurality of sheets are discharged to a discharge tray, and the stapling tab is provided to correspond to a staple portion of the stapling process and capable of shielding a light beam of the photo-interrupter. [0004] When the stapled sheets are stapled at one corner, the stapled por...

Claims

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Application Information

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IPC IPC(8): B65H31/34B65H43/00
CPCB65H2511/152B65H2701/18292B65H31/04B65H39/00B65H2701/1315B65H2553/412B65H31/34B65H29/22B65H2301/163B65H2511/16B65H2511/20B65H2801/27B65H2553/612B65H2511/15B65H2553/61B65H2220/03B65H2220/02B65H2220/11B65H2220/01B65H2301/16
Inventor 松尾健能宗辉光上野康则宫崎昌彦
Owner KYOCERA DOCUMENT SOLUTIONS INC