JP2019043701A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2019043701A5 JP2019043701A5 JP2017166166A JP2017166166A JP2019043701A5 JP 2019043701 A5 JP2019043701 A5 JP 2019043701A5 JP 2017166166 A JP2017166166 A JP 2017166166A JP 2017166166 A JP2017166166 A JP 2017166166A JP 2019043701 A5 JP2019043701 A5 JP 2019043701A5
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- guide portion
- sheet transport
- guide
- transport device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 235000002597 Solanum melongena Nutrition 0.000 claims 1
- 240000002686 Solanum melongena Species 0.000 claims 1
- 238000009751 slip forming Methods 0.000 claims 1
Description
本発明は、シート搬送装置において、第１ニップ部を有し、シートを搬送する搬送ローラ対と、シート搬送方向において前記搬送ローラ対よりも下流に設けられ、第２ニップ部を有し、シートを搬送するレジストレーションローラ対であって、前記搬送ローラ対によって搬送されるシートの先端を停止状態の前記第２ニップ部に突き当てることよりシートの斜行を補正するレジストレーションローラ対と、前記搬送ローラ対によって搬送されるシートを前記レジストレーションローラ対に案内する搬送ガイドと、を備え、前記搬送ガイドは、第１ガイド部と、シート搬送方向において前記第１ガイド部より下流に設けられる第２ガイド部と、を有し、前記第１ガイド部は、前記第２ニップ部に突き当てられたシートがループを形成するように湾曲した湾曲状のガイドであって、前記第２ガイド部は、前記シート搬送方向において前記レジストレーションローラ対の直前に設けられ、前記レジストレーションローラ対の前記第２ニップ部に向けてシートを案内する直線状のガイドであり、鉛直方向において搬送されるシートを下側から支持するように下から上に延び、前記第２ニップ部は、鉛直方向において前記第１ニップ部よりも高い位置にあり、水平方向において前記第１ニップ部と異なる位置に設けられ、前記第１ニップ部における前記搬送ローラ対の第１共通接線は、前記シート搬送方向において前記第２ガイド部よりも上流に設けられた前記第１ガイド部の湾曲部に向けて延び、前記第２ニップ部における前記レジストレーションローラ対の第２共通接線は、前記第２ガイド部と交差し、前記シート搬送方向において、前記第２ガイド部の下流端は、前記レジストレーションローラ対の上流端よりも下流に設けられている、ことを特徴とする。 The present invention provides a sheet conveying device includes a first nipping portion, a pair of conveying rollers for conveying the sheet, provided on the downstream of the conveying roller pairs in the sheet conveying direction, have a second nip portion, the sheet A registration roller pair that corrects the skew of the sheet by abutting the tip of the sheet conveyed by the transfer roller pair against the second nip portion in the stopped state, and a front registration roller pair. the sheet that will be conveyed by the serial conveying roller pair and a transport guide for guiding the pair of registration rollers, wherein the conveying guide is provided with the first guide part, downstream from said first guide portion in the sheet conveying direction The first guide portion has a second guide portion, and the first guide portion is a curved guide that is curved so that a sheet abutted against the second nip portion forms a loop, and the second guide portion. Is a linear guide provided immediately before the registration roller pair in the sheet transport direction and guides the sheet toward the second nip portion of the registration roller pair, and is a sheet transported in the vertical direction. The second nip portion extends from the bottom to the top so as to support the first nip portion, and the second nip portion is provided at a position higher than the first nip portion in the vertical direction and different from the first nip portion in the horizontal direction. The first common tangent line of the transport roller pair in the first nip portion extends toward the curved portion of the first guide portion provided upstream of the second guide portion in the sheet transport direction, and the first The second common tangent line of the registration roller pair at the two nip portions intersects with the second guide portion, and the downstream end of the second guide portion is from the upstream end of the registration roller pair in the sheet transport direction. It is also characterized in that it is provided downstream .
Claims (12)
シート搬送方向において前記搬送ローラ対よりも下流に設けられ、第２ニップ部を有し、シートを搬送するレジストレーションローラ対であって、前記搬送ローラ対によって搬送されるシートの先端を停止状態の前記第２ニップ部に突き当てることよりシートの斜行を補正するレジストレーションローラ対と、
前記搬送ローラ対によって搬送されるシートを前記レジストレーションローラ対に案内する搬送ガイドと、を備え、
前記搬送ガイドは、第１ガイド部と、シート搬送方向において前記第１ガイド部より下流に設けられる第２ガイド部と、を有し、
前記第１ガイド部は、前記第２ニップ部に突き当てられたシートがループを形成するように湾曲した湾曲状のガイドであって、
前記第２ガイド部は、前記シート搬送方向において前記レジストレーションローラ対の直前に設けられ、前記レジストレーションローラ対の前記第２ニップ部に向けてシートを案内する直線状のガイドであり、鉛直方向において搬送されるシートを下側から支持するように下から上に延び、
前記第２ニップ部は、鉛直方向において前記第１ニップ部よりも高い位置にあり、水平方向において前記第１ニップ部と異なる位置に設けられ、
前記第１ニップ部における前記搬送ローラ対の第１共通接線は、前記シート搬送方向において前記第２ガイド部よりも上流に設けられた前記第１ガイド部の湾曲部に向けて延び、
前記第２ニップ部における前記レジストレーションローラ対の第２共通接線は、前記第２ガイド部と交差し、
前記シート搬送方向において、前記第２ガイド部の下流端は、前記レジストレーションローラ対の上流端よりも下流に設けられている、
ことを特徴とするシート搬送装置。 A transport roller pair having a first nip and transporting a sheet,
Provided downstream from the conveying roller pairs in the sheet conveying direction, have a second nip portion, a pair of registration rollers for conveying the sheet, the leading end in the stopped state of the sheet conveyed by the conveying roller pair A registration roller pair that corrects the skew of the sheet by abutting against the second nip portion, and
The sheet that will be conveyed by the pre-Symbol conveying roller pair and a transport guide for guiding the pair of registration rollers,
The transport guide has a first guide portion and a second guide portion provided downstream of the first guide portion in the sheet transport direction.
The first guide portion is a curved guide in which the sheet abutted against the second nip portion is curved so as to form a loop.
The second guide portion is a linear guide provided immediately before the registration roller pair in the sheet transport direction and guides the sheet toward the second nip portion of the registration roller pair, and is a vertical guide. Extend from bottom to top to support the sheet being transported in
The second nip portion is provided at a position higher than the first nip portion in the vertical direction and at a position different from the first nip portion in the horizontal direction.
The first common tangent line of the transport roller pair in the first nip portion extends toward the curved portion of the first guide portion provided upstream of the second guide portion in the sheet transport direction.
The second common tangent line of the registration roller pair in the second nip portion intersects with the second guide portion.
In the sheet transport direction, the downstream end of the second guide portion is provided downstream of the upstream end of the registration roller pair.
A sheet transfer device characterized by this.
ことを特徴とする請求項１に記載のシート搬送装置。 Said first common tangent line, the second common tangent with a straight line extending substantially parallel to the street the second guide portion an intersection point between the second guide portion, formed minor angle of a second common tangent larger than eggplant minor angle of the previous Kijika line,
The sheet transport device according to claim 1.
前記第１共通接線及び前記直線の交点は、前記シート搬送方向において前記第２ガイド部の前記上流端よりも上流に配置される、 The intersection of the first common tangent line and the straight line is arranged upstream of the upstream end of the second guide portion in the sheet transport direction.
ことを特徴とする請求項２に記載のシート搬送装置。 The sheet transport device according to claim 2, wherein the sheet transport device is characterized by this.
ことを特徴とする請求項２又は３に記載のシート搬送装置。 The sheet transport device according to claim 2 or 3, wherein the sheet transport device is characterized by the above.
前記第１共通接線は、前記膨出部に交差する、
ことを特徴とする請求項１乃至４のいずれか１項に記載のシート搬送装置。 The first guide portion, the so abutting the sheet-to the second nip portion forms a loop space capable of forming a loop, has a bulging portion that issues bulging in a direction away from said first common tangent ,
The first common tangent intersects the bulge.
The sheet transport device according to any one of claims 1 to 4, wherein the sheet transport device is characterized by this.
ことを特徴とする請求項５に記載のシート搬送装置。 The sheet transporting apparatus according to claim 5.
ことを特徴とする請求項１乃至６のいずれか１項に記載のシート搬送装置。 The sheet transport device according to any one of claims 1 to 6, wherein the sheet transport device is characterized by this.
ことを特徴とする請求項１乃至７のいずれか１項に記載のシート搬送装置。 The sheet transport device according to any one of claims 1 to 7, wherein the sheet transport device is characterized by this.
ことを特徴とする請求項１乃至８のいずれか１項に記載のシート搬送装置。 The sheet transport device according to any one of claims 1 to 8, wherein the sheet transport device is characterized by this.
ことを特徴とする請求項１乃至９のいずれか１項に記載のシート搬送装置。 The sheet transport device according to any one of claims 1 to 9, wherein the sheet transport device is characterized by this.
ことを特徴とする請求項１乃至１０のいずれか１項に記載のシート搬送装置。 The sheet transport device according to any one of claims 1 to 10, wherein the sheet transport device is characterized by this.
前記シート搬送装置によって搬送されるシートに画像を形成する画像形成部と、を備える、
ことを特徴とする画像形成装置。 The sheet transfer device according to any one of claims 1 to 11 .
An image forming unit for forming an image on a sheet conveyed by the sheet conveying device is provided.
An image forming apparatus characterized in that.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017166166A JP2019043701A (en) | 2017-08-30 | 2017-08-30 | Sheet conveying device and image forming device |
| US16/109,943 US20190062093A1 (en) | 2017-08-30 | 2018-08-23 | Sheet conveyance apparatus and image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017166166A JP2019043701A (en) | 2017-08-30 | 2017-08-30 | Sheet conveying device and image forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2019043701A JP2019043701A (en) | 2019-03-22 |
| JP2019043701A5 true JP2019043701A5 (en) | 2020-09-24 |
Family
ID=65436782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017166166A Pending JP2019043701A (en) | 2017-08-30 | 2017-08-30 | Sheet conveying device and image forming device |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20190062093A1 (en) |
| JP (1) | JP2019043701A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6987665B2 (en) * | 2018-02-15 | 2022-01-05 | キヤノン株式会社 | Transport and recording equipment |
| JP7309375B2 (en) | 2019-01-31 | 2023-07-18 | キヤノン株式会社 | sheet conveying device |
| JP2022083480A (en) * | 2020-11-25 | 2022-06-06 | キヤノン株式会社 | Sheet conveyance device and image formation device |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6436357U (en) * | 1987-08-31 | 1989-03-06 | ||
| US5904350A (en) * | 1997-01-31 | 1999-05-18 | Tektronix, Inc. | Apparatus and method for deskewing media in a printer |
| JP4047562B2 (en) * | 2001-08-31 | 2008-02-13 | リコープリンティングシステムズ株式会社 | Sheet skew correction device and image forming apparatus |
| US6834854B2 (en) * | 2001-10-19 | 2004-12-28 | Nisca Corporation | Sheet supply apparatus and image forming apparatus |
| US6554216B1 (en) * | 2002-02-01 | 2003-04-29 | Phogenix Imaging, Llc | Buffer with service loop and method |
| JP3938073B2 (en) * | 2003-03-07 | 2007-06-27 | キヤノン株式会社 | Image forming apparatus |
| JP5089542B2 (en) * | 2008-09-16 | 2012-12-05 | 株式会社リコー | RECORDER CONVEYING DEVICE AND IMAGE FORMING DEVICE |
| JP2013001547A (en) * | 2011-06-20 | 2013-01-07 | Konica Minolta Business Technologies Inc | Image forming apparatus |
| JP2013043767A (en) * | 2011-08-26 | 2013-03-04 | Konica Minolta Business Technologies Inc | Paper feeder, image reader, and image forming apparatus |
| JP6041251B2 (en) * | 2012-10-12 | 2016-12-07 | 株式会社リコー | Sheet material stacking apparatus, sheet material discharging apparatus, and image forming apparatus |
| JP6024393B2 (en) * | 2012-10-31 | 2016-11-16 | ブラザー工業株式会社 | Sheet transport device |
| JP6206014B2 (en) * | 2013-09-09 | 2017-10-04 | ブラザー工業株式会社 | Image forming apparatus and image forming system |
| JP6272089B2 (en) * | 2014-03-07 | 2018-01-31 | キヤノン株式会社 | Sheet feeding apparatus and image forming apparatus |
| JP6554855B2 (en) * | 2015-03-26 | 2019-08-07 | 富士ゼロックス株式会社 | Posture correction apparatus and image forming apparatus |
| JP2017159989A (en) * | 2016-03-09 | 2017-09-14 | キヤノン株式会社 | Sheet conveying device and image forming device |
-
2017
- 2017-08-30 JP JP2017166166A patent/JP2019043701A/en active Pending
-
2018
- 2018-08-23 US US16/109,943 patent/US20190062093A1/en not_active Abandoned
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2017052616A5 (en) | ||
| JP2013032221A5 (en) | ||
| JP2016188146A5 (en) | Sheet aligning apparatus and image forming apparatus | |
| JP2019043701A5 (en) | ||
| JP2010173804A5 (en) | ||
| JP2008037605A5 (en) | ||
| JP2017145098A5 (en) | ||
| EP2441716A3 (en) | Sheet conveying apparatus and image forming apparatus | |
| JP2012086976A5 (en) | ||
| JP2013230880A5 (en) | ||
| JP2018184228A5 (en) | ||
| JP2013212924A5 (en) | ||
| JP2017052604A5 (en) | ||
| JP2019023134A5 (en) | ||
| EP2733541A3 (en) | Sheet feed apparatus, and document conveying apparatus and image forming apparatus having the same | |
| JP2015151247A (en) | Sheet folding apparatus and image forming apparatus | |
| JP2011241021A5 (en) | ||
| JP2011190100A5 (en) | ||
| JP2013091567A5 (en) | ||
| JP2008184259A5 (en) | ||
| JP2017223863A5 (en) | ||
| JP2011059600A5 (en) | ||
| JP2017189946A5 (en) | ||
| JP2019026452A5 (en) | ||
| JP2015051816A5 (en) |