JP3350090B2 - Sheet loading device of image forming device - Google Patents
Sheet loading device of image forming deviceInfo
- Publication number
- JP3350090B2 JP3350090B2 JP09917292A JP9917292A JP3350090B2 JP 3350090 B2 JP3350090 B2 JP 3350090B2 JP 09917292 A JP09917292 A JP 09917292A JP 9917292 A JP9917292 A JP 9917292A JP 3350090 B2 JP3350090 B2 JP 3350090B2
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- image forming
- regulating
- plates
- forming apparatus
- 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.)
- Expired - Fee Related
Links
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Electrophotography Configuration And Component (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明はプリンタ,複写機,ファ
クシミリなどの画像形成のための装置本体内へ挿入する
シートを積載する小形化した画像形成装置のシート積載
装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet stacking apparatus for a miniaturized image forming apparatus such as a printer, a copying machine, a facsimile, etc., which stacks sheets to be inserted into an apparatus body for image formation.
【0002】[0002]
【従来の技術】従来から画像形成装置の小形化には目ざ
ましいものがあり、その構成部材であるシート積載台に
も小形化が要求されてきている。2. Description of the Related Art Conventionally, there has been a remarkable reduction in the size of an image forming apparatus, and a reduction in the size of a sheet stacking table, which is a constituent member thereof, has been required.
【0003】以下に従来の画像形成装置のシート積載装
置について説明する。図4および図5において33は画
像形成装置の枠体、3は画像が形成される前のシート2
が積載されるベース、31と32はシート2の幅方向を
整列させる規制板、14と15は規制板31と32に支
持されているラック、16はピニオン、18と19は積
載台34を枠体33に回転自在に固定しているヒンジ、
20はシート2が挿入される給紙孔である。Hereinafter, a sheet stacking device of a conventional image forming apparatus will be described. 4 and 5, reference numeral 33 denotes a frame of the image forming apparatus, and 3 denotes a sheet 2 before an image is formed.
Are mounted on the base, 31 and 32 are regulating plates for aligning the width direction of the sheet 2, 14 and 15 are racks supported by the regulating plates 31 and 32, 16 is a pinion, and 18 and 19 are frames on the loading table 34. A hinge rotatably fixed to the body 33,
Reference numeral 20 denotes a paper feed hole into which the sheet 2 is inserted.
【0004】23は積載台34上のシート2を矢印Cで
示した方向に給紙するための給紙ローラ対、24は給紙
ローラ対23によって給紙されたシート2を搬送するた
めの搬送ローラ対、25はシート2上に画像を形成する
ための印字手段、26はシート2上に形成された画像を
定着させるための定着手段、27は画像が形成されたシ
ート2を排出するための排紙ローラ対、28は画像が形
成され排出されたシート、29はシート28が積載され
る排紙トレイ、30は排紙トレイ29を枠体1に回転自
在に固定しているヒンジである。Reference numeral 23 denotes a pair of paper feed rollers for feeding the sheet 2 on the loading table 34 in the direction shown by the arrow C, and reference numeral 24 denotes a transport for transporting the sheet 2 fed by the pair of paper feed rollers 23. A pair of rollers, 25 is a printing unit for forming an image on the sheet 2, 26 is a fixing unit for fixing the image formed on the sheet 2, and 27 is a unit for discharging the sheet 2 on which the image is formed. A pair of discharge rollers 28 is a sheet on which an image is formed and discharged, 29 is a discharge tray on which the sheets 28 are stacked, and 30 is a hinge which rotatably fixes the discharge tray 29 to the frame 1.
【0005】上記各構成要素よりなる画像形成装置のシ
ート積載装置について、各構成要素の関係と動作を説明
する。The relationship and operation of each component of the sheet stacking device of the image forming apparatus including the above components will be described.
【0006】積載台34の使用時は、シート2がベース
3上に置かれるとシート2の幅に合わせ規制板31と3
2が矢印AとBで示した方向にスライドされる。規制板
31と32はそれぞれラック14と15およびピニオン
16で連結しており動作が連動している。When the loading table 34 is used, when the sheet 2 is placed on the base 3, the regulating plates 31 and 3 are adjusted to the width of the sheet 2.
2 is slid in the direction indicated by arrows A and B. The regulating plates 31 and 32 are connected by racks 14 and 15 and a pinion 16, respectively, and their operations are linked.
【0007】使用時は画像形成装置に給紙されるシート
2を積載台34で、また排出されてくるシート28を排
紙トレイ29で受けている。不使用時は積載台34なら
びに排紙トレイ29がヒンジ18と19ならびにヒンジ
30を中心として矢印CならびにDで示した方向に回転
し2点鎖線で示した位置に移動させて使用時よりも画像
形成装置の占有領域を小さくできる。In use, the sheet 2 fed to the image forming apparatus is received by the loading table 34 and the discharged sheet 28 is received by the discharge tray 29. When not in use, the loading table 34 and the paper discharge tray 29 rotate around the hinges 18 and 19 and the hinge 30 in the directions indicated by arrows C and D and move to the position indicated by the two-dot chain line, and the image is more than in use. The area occupied by the forming apparatus can be reduced.
【0008】[0008]
【発明が解決しようとする課題】しかしながら上記の従
来の構成では、規制板31,32の高さがシート2の積
載能力枚数の高さ以上でなくてはならないため、不使用
時に収納する規制板31,32の高さに必要な分だけ画
像形成装置の枠体33の幅方向の寸法が大きくなり小形
化できないという問題点を有していた。However, in the above-described conventional configuration, the height of the regulating plates 31 and 32 must be equal to or greater than the height of the number of sheets 2 that can be stacked. There has been a problem that the size of the frame body 33 of the image forming apparatus in the width direction is increased by an amount necessary for the heights of the image forming apparatuses 31 and 32, and the size cannot be reduced.
【0009】本発明は上記従来の問題点を解決するもの
で、画像形成装置の枠体の幅方向の寸法を小さくでき、
小形化した画像形成装置のシート積載装置を提供するこ
とを目的とする。The present invention solves the above-mentioned conventional problems, and can reduce the width of a frame of an image forming apparatus in the width direction.
An object of the present invention is to provide a sheet stacking device of a miniaturized image forming apparatus.
【0010】[0010]
【課題を解決するための手段】この目的を達成するため
に本発明の画像形成装置のシート積載装置は、シートの
幅方向を整列する規制板がシートを積載する積載台に回
転自在に支持され、かつ、積載台を装置本体に収納する
ときに前記規制板が前記装置本体の一部と接触して回転
することで、規制板のシートの外辺を規制する面が前記
積載台のシート積載面に当接するようにし、装置本体の
一部との接触がなくなるとシートを規制する位置に復帰
するようにした構成としたものである。In order to achieve this object, in a sheet stacking apparatus of an image forming apparatus according to the present invention, a regulating plate for aligning the width direction of a sheet is rotatably supported by a stacking table on which the sheet is stacked. And, when the loading table is stored in the apparatus main body, the regulating plate rotates while contacting a part of the apparatus main body.
Doing, as a surface for restricting the outer edges of the sheet regulating plate abuts against the sheet stacking surface of the front Symbol stacking table, so as to return to a position for restricting the sheet when there is no contact with a portion of the apparatus main body This is a configuration in which:
【0011】[0011]
【作用】この構成において、積載台を使用しないときに
規制板が積載台側へ閉じて、規制板の占める高さを小さ
くすることとなる。In this configuration, when the loading table is not used, the regulating plate closes to the loading table, and the height occupied by the regulating plate is reduced.
【0012】[0012]
【実施例】以下、図面を参照しなが本発明の一実施例に
ついて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【0013】本発明の一実施例を示す図1ないし図3で
は、従来例と同一部品に同一符号を付して説明を省略す
る。In FIGS. 1 to 3 showing an embodiment of the present invention, the same parts as those of the conventional example are denoted by the same reference numerals, and description thereof will be omitted.
【0014】図1および図2に示すように、本実施例の
特徴とするところは、シート2の幅方向を整列させる規
制板4,5は、固定板6,7にビンジ8,9で回転自在
に保持されている。10と11は規制板4,5と固定板
6,7を開くように付勢しているねじリコイルばね、1
2と13は固定板6,7の一部で規制板4,5を動作さ
せるときに使用者が触れる取手、17は積載台、21と
22は枠体1の一部で形成されている突起である。ラッ
ク14,15は固定板6,7に支持されている。As shown in FIGS. 1 and 2, the feature of the present embodiment is that the regulating plates 4 and 5 for aligning the width direction of the sheet 2 are rotated by the binges 8 and 9 on the fixing plates 6 and 7. It is freely held. 10 and 11 are screw recoil springs for urging the control plates 4 and 5 and the fixing plates 6 and 7 to open.
Reference numerals 2 and 13 denote handles which the user touches when operating the regulating plates 4 and 5 with a part of the fixing plates 6 and 7. Reference numeral 17 denotes a loading table. Reference numerals 21 and 22 denote projections formed by a part of the frame 1. It is. The racks 14 and 15 are supported by fixed plates 6 and 7.
【0015】以上のように構成された画像形成装置のシ
ート積載装置について、以下その動作を説明する。従来
例で説明した動作と同じ動作については、説明を省略す
る。The operation of the sheet stacking device of the image forming apparatus configured as described above will be described below. The description of the same operation as that described in the conventional example is omitted.
【0016】シート2がベース3上に置かれると、使用
者が取手12,13を操作することでシート2の幅に合
わせ、規制板4と5が矢印AとBで示した方向にスライ
ドされる。固定板6,7はそれぞれラック14,15お
よびピニオン16で連結しており動作が連動している。When the seat 2 is placed on the base 3, the user operates the handles 12, 13 to adjust the width of the seat 2 so that the regulating plates 4 and 5 are slid in the directions indicated by arrows A and B. You. The fixed plates 6 and 7 are connected by racks 14 and 15 and a pinion 16, respectively, and the operation is linked.
【0017】不使用時に積載台17を枠体1内に収納す
るときは図2で示した白抜き矢印Hで示した方向に移動
させて突起21,22に規制板4,5が接触ヒンジ8,
9を回転中心として矢印F,Gで示した方向に閉じる。
また、使用時は白抜き矢印Hで示した方向と逆方向に積
載台17が移動して規制板4,5と突起21,22の接
触がなくなるので、ねじリコイルばね10,11により
開き、シート2を置ける状態となる。When the loading table 17 is to be stored in the frame 1 when not in use, the loading table 17 is moved in the direction indicated by the outline arrow H shown in FIG. ,
Closing is performed in the directions indicated by arrows F and G around the rotation center 9.
In use, the loading table 17 moves in the direction opposite to the direction indicated by the outline arrow H and the contact between the regulating plates 4 and 5 and the projections 21 and 22 disappears. 2 can be placed.
【0018】以上のように本実施例によれば、シート2
の幅方向を整列させる規制板4,5を回転可能に支持し
積載台17の収納時に閉じるようにしたことにより、画
像形成装置のシート積載装置の収納時の占有領域を幅方
向で従来例より規制板の高さ分だけ小さくすることがで
き、さらに積載台17の収納時は規制板4,5と突起2
1,22の接触により規制板4,5が閉じ、使用時はね
じリコイルばね10,11により規制板4,5が開くの
で規制板4,5の開閉操作を使用者が行わなくてもよ
い。As described above, according to the present embodiment, the sheet 2
The restricting plates 4 and 5 for aligning the width direction of the image forming apparatus are rotatably supported and closed when the stacking table 17 is stored. It can be reduced by the height of the regulating plate, and when the loading table 17 is stored, the regulating plates 4 and 5 and the projection 2
The restriction plates 4 and 5 are closed by the contact of the control plates 1 and 22, and the restriction plates 4 and 5 are opened by the screw recoil springs 10 and 11 during use, so that the user does not need to open and close the restriction plates 4 and 5.
【0019】[0019]
【発明の効果】以上の実施例の説明からも明らかなよう
に本発明は、シートの幅方向を整列する規制板がシート
を積載する積載台に回転自在に支持され、かつ積載台を
装置本体に収納するときに、規制板のシートの外辺を規
制する面が積載台のシート積載面に当接するようにした
構成により、積載台が装置本体に収納されるときは、一
対の規制板が回転し、規制板のシートの外辺を規制する
面が積載台のシート積載面に当接するため、規制板の高
さ分だけ画像形成装置の枠体の幅方向の寸法を小さくで
き小形化した優れた画像形成装置のシート積載装置を実
現できるとともに、規制板のシートを規制する位置への
復帰を自動的に行うことができるものである。As is clear from the above description of the embodiment, according to the present invention, the regulating plate for aligning the width direction of the sheet is rotatably supported by the loading table on which the sheet is loaded, and the loading table is connected to the apparatus main body. When the loading table is stored in the apparatus main body, the pair of regulating plates are configured such that the surface of the restriction plate that regulates the outer edge of the sheet comes into contact with the sheet loading surface of the loading table. Since the surface of the regulating plate that regulates the outer edge of the sheet comes into contact with the sheet loading surface of the loading table, the width of the frame of the image forming apparatus can be reduced in size by the height of the regulating plate, thereby reducing the size. An excellent sheet stacking device for the image forming apparatus can be realized , and the position of the regulating plate for regulating the sheet can be reduced.
The return can be performed automatically .
【図1】本発明の一実施例の画像形成装置のシート積載
装置の1部を欠載して内部を示した概略斜視図FIG. 1 is a schematic perspective view showing the inside of a sheet stacking apparatus of an image forming apparatus according to an embodiment of the present invention, with a part of the sheet stacking apparatus being omitted.
【図2】同画像形成装置のシート積載装置の不使用時の
概念を示した平面略図FIG. 2 is a schematic plan view showing a concept when the sheet stacking device of the image forming apparatus is not used.
【図3】同画像形成装置のシート積載装置の使用時の概
念を枠体の内部を断面で示した側面略図FIG. 3 is a schematic side view showing the concept of using the sheet stacking device of the image forming apparatus in a cross section of the inside of a frame.
【図4】従来の画像形成装置のシート積載装置の1部を
欠載して内部を示した概略斜視図FIG. 4 is a schematic perspective view showing the inside of a sheet stacking apparatus of a conventional image forming apparatus with a part of the sheet stacking apparatus removed;
【図5】同画像形成装置のシート積載装置の使用時の概
念を枠体の内部を断面で示した側面略図FIG. 5 is a schematic side view showing the concept of using the sheet stacking device of the image forming apparatus in a cross section of the inside of a frame.
4,5 規制板 10,11 ねじリコイルばね 17 積載台 21,22 突起 4,5 regulating plate 10,11 screw recoil spring 17 loading table 21,22 protrusion
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 平3−1138(JP,U) 実開 昭48−19050(JP,U) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 3-1138 (JP, U) JP-A 48-19050 (JP, U)
Claims (1)
積載する積載台と、前記シートの給紙時の進行方向と平
行な前記シートの外辺を規制する一対の規制板を有する
シート積載装置であって、前記規制板は各々前記積載台
に回転自在に支持され、かつ前記積載台が前記装置本体
に収納されるときは前記規制板が前記装置本体の一部と
接触して回転することで、前記規制板の前記シートの外
辺を規制する面が前記積載台のシート積載面に当接する
ようにし、前記装置本体の一部との接触がなくなるとシ
ートを規制する位置に復帰するようにした画像形成装置
のシート積載装置。1. A sheet stacking apparatus having a stacking table rotatably held by an apparatus main body and stacking sheets, and a pair of regulating plates for regulating an outer edge of the sheets parallel to a traveling direction of feeding the sheets. Wherein the restricting plates are each rotatably supported by the loading table, and when the loading table is stored in the apparatus main body, the restricting plate is part of the apparatus main body.
By rotating contact with the surface to regulate the perimeter of said sheet of said regulating plate so as to abut against the sheet stacking surface of the front Symbol stacking table, a sheet when the contact is eliminated with a portion of the device body A sheet stacking device of an image forming apparatus which is configured to return to a regulating position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP09917292A JP3350090B2 (en) | 1992-04-20 | 1992-04-20 | Sheet loading device of image forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP09917292A JP3350090B2 (en) | 1992-04-20 | 1992-04-20 | Sheet loading device of image forming device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05294463A JPH05294463A (en) | 1993-11-09 |
JP3350090B2 true JP3350090B2 (en) | 2002-11-25 |
Family
ID=14240236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP09917292A Expired - Fee Related JP3350090B2 (en) | 1992-04-20 | 1992-04-20 | Sheet loading device of image forming device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3350090B2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4612872B2 (en) * | 2005-06-30 | 2011-01-12 | キヤノン株式会社 | Paper feeding device, recording device, and image reading device |
JP4740822B2 (en) * | 2006-10-27 | 2011-08-03 | 京セラミタ株式会社 | Manual feed tray structure of image forming apparatus |
JP2010222132A (en) * | 2009-03-25 | 2010-10-07 | Canon Electronics Inc | Sheet feeding device and image reading device |
JP6236789B2 (en) * | 2013-01-29 | 2017-11-29 | 株式会社リコー | Paper feeding device and image forming apparatus having the same |
-
1992
- 1992-04-20 JP JP09917292A patent/JP3350090B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH05294463A (en) | 1993-11-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |