JP2008184310A5 - - Google Patents

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Publication number
JP2008184310A5
JP2008184310A5 JP2007021568A JP2007021568A JP2008184310A5 JP 2008184310 A5 JP2008184310 A5 JP 2008184310A5 JP 2007021568 A JP2007021568 A JP 2007021568A JP 2007021568 A JP2007021568 A JP 2007021568A JP 2008184310 A5 JP2008184310 A5 JP 2008184310A5
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JP
Japan
Prior art keywords
sheet
sheet bundle
cutting
bundle
cut
Prior art date
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Granted
Application number
JP2007021568A
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Japanese (ja)
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JP2008184310A (en
JP4921192B2 (en
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Publication date
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Priority to JP2007021568A priority Critical patent/JP4921192B2/en
Priority claimed from JP2007021568A external-priority patent/JP4921192B2/en
Publication of JP2008184310A publication Critical patent/JP2008184310A/en
Publication of JP2008184310A5 publication Critical patent/JP2008184310A5/ja
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Publication of JP4921192B2 publication Critical patent/JP4921192B2/en
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Claims (6)

シート束を搬送するシート束搬送通路と、
第１位置から第２位置へ移動して前記シート束搬送通路内のシート束を断裁する可動刃と、前記可動刃と協働してシート束の断裁を行う固定刃と、を有するシート束断裁手段と、
前記シート束断裁手段により断裁された断裁くずをくず通路を通して収納する断裁くず収納手段と、
前記くず通路を開閉するシャッタ手段と、
を有し、
前記シャッタ手段は、前記可動刃が前記第１位置にあるときは前記くず通路を閉鎖して前記シート束搬送通路の一部を形成し、前記可動刃の前記第１位置から前記第２位置への移動に連動して前記くず通路を開放し、かつ、前記可動刃が前記第２位置にあるときは前記シャッタ手段による前記くず通路の開放量が最大であり、前記くず通路の最大開放状態は所定時間、維持されることを特徴とするシート断裁装置。 A sheet bundle conveyance path for conveying the sheet bundle;
Sheet bundle cutting having a movable blade which moves from a first position to a second position to cut the sheet bundle of the sheet bundle conveying passage, a fixed blade to perform the cutting of the sheet bundle in cooperation with the movable blade, the Means,
Cutting waste storage means for storing the cutting waste cut by the sheet bundle cutting means through the waste passage,
Shutter means for opening and closing the waste passage;
Have
The shutter means closes the waste passage when the movable blade is in the first position to form a part of the sheet bundle conveyance passage, and moves from the first position to the second position of the movable blade. When the movable blade is at the second position, the amount of opening of the waste passage by the shutter means is maximum, and the maximum open state of the waste passage is A sheet cutting apparatus that is maintained for a predetermined time. 前記可動刃は前記第２位置において停止することを特徴とする請求項１に記載のシート断裁装置。   The sheet cutting device according to claim 1, wherein the movable blade stops at the second position. 前記所定時間は、前記シート束断裁手段によりシート束が断裁された後、次に断裁されるシート束であって、束内シート枚数が最小であるときのシート束が前記シート束断裁手段に搬送されるまでの時間よりも短いことを特徴とする請求項１又は請求項２に記載のシート断裁装置。   The predetermined time is the sheet bundle to be cut next after the sheet bundle is cut by the sheet bundle cutting means, and the sheet bundle when the number of sheets in the bundle is the minimum is conveyed to the sheet bundle cutting means. 3. The sheet cutting device according to claim 1, wherein the sheet cutting device is shorter than a time until the sheet is cut. 前記所定時間は、前記シート束断裁手段に搬送されるシート束のシート枚数に応じて変更することを特徴とする請求項１又は請求項２に記載のシート断裁装置。   3. The sheet cutting apparatus according to claim 1, wherein the predetermined time is changed according to the number of sheets of the sheet bundle conveyed to the sheet bundle cutting means. 前記所定時間は、前記シート束断裁手段によりシート束が断裁された後、次に断裁されるシート束が前記シート束断裁手段に搬送されるまでの時間よりも短いことを特徴とする請求項４に記載のシート断裁装置。   5. The predetermined time is shorter than a time until a sheet bundle to be cut next is conveyed to the sheet bundle cutting unit after the sheet bundle is cut by the sheet bundle cutting unit. The sheet cutting device according to 1. シートに画像を形成する画像形成手段と、前記画像形成されたシートを束にして搬送し、断裁するシート断裁装置を有する画像形成装置において、
前記シート断裁装置として、請求項１乃至請求項５のいずれか１項に記載のシート断裁装置を備えたことを特徴とする画像形成装置。 In an image forming apparatus having an image forming unit that forms an image on a sheet, and a sheet cutting device that conveys and cuts the image-formed sheet in a bundle,
An image forming apparatus comprising the sheet cutting device according to claim 1 as the sheet cutting device.
JP2007021568A 2007-01-31 2007-01-31 Sheet cutting apparatus and image forming apparatus Active JP4921192B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007021568A JP4921192B2 (en) 2007-01-31 2007-01-31 Sheet cutting apparatus and image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007021568A JP4921192B2 (en) 2007-01-31 2007-01-31 Sheet cutting apparatus and image forming apparatus

Publications (3)

Publication Number Publication Date
JP2008184310A JP2008184310A (en) 2008-08-14
JP2008184310A5 true JP2008184310A5 (en) 2010-02-04
JP4921192B2 JP4921192B2 (en) 2012-04-25

Family

ID=39727584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007021568A Active JP4921192B2 (en) 2007-01-31 2007-01-31 Sheet cutting apparatus and image forming apparatus

Country Status (1)

Country Link
JP (1) JP4921192B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5312001B2 (en) * 2008-12-15 2013-10-09 キヤノン株式会社 Printer device
JP2017213643A (en) 2016-05-31 2017-12-07 キヤノン株式会社 Cutting device and image formation device
JP7005702B2 (en) * 2020-07-17 2022-01-21 キヤノン株式会社 Sheet processing equipment and image forming equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3849334B2 (en) * 1999-01-08 2006-11-22 コニカミノルタホールディングス株式会社 Sheet cutting method, sheet cutting apparatus, sheet post-processing apparatus, and image forming apparatus
JP2002003069A (en) * 2000-06-26 2002-01-09 Konica Corp Paper cutting device and image forming device
JP4238811B2 (en) * 2004-10-21 2009-03-18 コニカミノルタビジネステクノロジーズ株式会社 Paper cutting device and paper post-processing device

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