JP4568203B2 - Image forming apparatus - Google Patents

Image forming apparatus Download PDF

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JP4568203B2
JP4568203B2 JP2005292075A JP2005292075A JP4568203B2 JP 4568203 B2 JP4568203 B2 JP 4568203B2 JP 2005292075 A JP2005292075 A JP 2005292075A JP 2005292075 A JP2005292075 A JP 2005292075A JP 4568203 B2 JP4568203 B2 JP 4568203B2
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image forming
front surface
unit
forming apparatus
cassette
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JP2007099457A (en
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昌弘 米川
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Ricoh Co Ltd
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Description

本発明は画像形成装置に関する。
The present invention relates to images forming device.

画像形成装置として、スキャナ、コピー、プリンタを兼ねた複合装置があり、このような複合装置として上部に画像読取部、下部に作像部及び給紙部を備え、画像読取部と作像部との間に画像形成した用紙を排出するいわゆる胴内排紙型のものがある。     As an image forming apparatus, there is a composite apparatus that also serves as a scanner, a copy, and a printer. As such a composite apparatus, an image reading unit is provided at the top, an image forming unit and a paper feeding unit are provided at the bottom, and the image reading unit and the image forming unit There is a so-called in-body discharge type that discharges a sheet on which an image is formed.

このような画像形成装置においては、複数の給紙カセットを有する給紙部を備え、その上側に作像部が配置されている。給紙部には通常１または複数の給紙カセットが配置されており、各給紙カセットには把持部が設けられ、前記給紙カセットを引き出して印刷用紙を給紙できる者となっている。そして、給紙部の各給紙カセットの手前側面は、前記作像部の手前側面と略同一の位置になるよう構成されている。   In such an image forming apparatus, a paper feeding unit having a plurality of paper feeding cassettes is provided, and an image forming unit is disposed on the upper side. Usually, one or a plurality of paper feed cassettes are arranged in the paper feed unit, and each paper feed cassette is provided with a gripping unit, and is a person who can pull out the paper feed cassette and feed printing paper. The front side surface of each paper feed cassette of the paper feed unit is configured to be substantially in the same position as the front side surface of the image forming unit.

このような画像形成装置の給紙カセットについて、特許文献１ないし特許文献３に記載がある。特許文献１には、画像形成装置において給紙カセットと手差しトレイとの用紙センター位置のずれを小さく抑えることで給紙部の違いによる画像の位置ずれを小さくするため、複数の給紙装置を備えた画像形成装置において、一方の給紙装置である給紙カセットにおける用紙積載部の用紙搬送方向に対して直交方向の位置決めを行う部材と、他方の給紙装置である手差しトレイの用紙積載部の用紙搬送方向に対して直交方向の位置決めを行う部材とを一体とするものが記載されている。   Patent Documents 1 to 3 describe the paper feed cassette of such an image forming apparatus. Japanese Patent Application Laid-Open No. 2004-228667 includes a plurality of paper feeding devices in order to reduce image misalignment due to a difference in a paper feeding unit by suppressing a deviation of a paper center position between a paper feeding cassette and a manual feed tray in an image forming apparatus. In the image forming apparatus, a member for positioning in a direction orthogonal to the sheet transport direction of the sheet stacking unit in the sheet feeding cassette which is one sheet feeding device, and the sheet stacking unit of the manual feed tray which is the other sheet feeding device. There is a description in which a member for positioning in a direction orthogonal to the paper transport direction is integrated.

また、特許文献２には、用紙積載部を給紙装置にセットする際の用紙の先端おれや、用紙積載部を給紙装置から取り出したりする際に用紙が残る不都合を防止するため、用紙積載部を給紙装置にセットする際には、用紙の先端が給紙コロに当たっても、給紙コロの回転により用紙の先端のおれや用紙が後部にずれるのを防止し、用紙積載部を給紙装置から外す際には、用紙が用紙積載部の外す方向に持って行かれないので、用紙が給紙装置内に残ることがないものが記載されている。   Japanese Patent Application Laid-Open No. 2004-26883 discloses a paper stacking unit for preventing the leading edge of the sheet when the sheet stacking unit is set in the sheet feeding device and the inconvenience that the sheet remains when the sheet stacking unit is removed from the sheet feeding device. When the paper is loaded into the paper feeder, even if the paper leading edge hits the paper feeding roller, rotation of the paper feeding roller prevents the paper leading edge and the paper from shifting to the rear. It is described that when the paper is removed from the apparatus, the paper is not taken in the direction of removing the paper stacking unit, so that the paper does not remain in the paper feeding device.

また、特許文献３には、装置高さを抑えながら、従来通りの給紙段数を確保し、しかも構成的にも簡単な給紙装置とするため、複数種のサイズの用紙をそれぞれ収納し積み上げ状態に配置された複数の給紙カセットと、これら給紙カセットのそれぞれに付設されたピックアップローラ，フィードローラ，リバースローラとを備えてなる給紙装置において、各給紙カセットのサイズが下段になるに従い大きくなり、そのサイズ差により生じるスペースに給紙手段を配設するものが記載されている。
特開平１０−４５２８２ 特開平１０−１８１９０１ 特開平９−７７２８８ Further, in Patent Document 3, a plurality of types of paper are respectively stored and stacked in order to secure the same number of paper feed stages as in the past while suppressing the height of the device and to make the paper feed device simple in structure. In a sheet feeding apparatus including a plurality of sheet feeding cassettes arranged in a state and a pickup roller, a feed roller, and a reverse roller attached to each of the sheet feeding cassettes, the size of each sheet feeding cassette is lower. The paper feeding means is described in which the paper feeding means is arranged in a space generated by the size difference.
JP 10-45282 JP 10-181901 A JP-A-9-77288

ところで近年作像部にインクジェット式の作像部を採用した画像形成装置があり、このような画像形成装置においては、作像部のインクヘッドの移動スペース確保の観点から、用紙寸法に比べて作像部の寸法が大きくなる傾向にある。従って、作像部の奥行き寸法が大きいものとなり、この大きさに給紙部の大きさを揃えると、給紙部の寸法が大きくなってしまい、画像形成装置の床設置面積が大きくなってしまう。   Recently, there is an image forming apparatus that employs an ink jet type image forming unit in the image forming unit. In such an image forming apparatus, the image forming unit is formed in comparison with the paper size from the viewpoint of securing the movement space of the ink head in the image forming unit. The size of the image part tends to increase. Therefore, the depth dimension of the image forming unit is large, and if the size of the paper feeding unit is made equal to this size, the size of the paper feeding unit becomes large and the floor installation area of the image forming apparatus becomes large. .

このため、給紙部の奥行き寸法を作像部より小さくし、作像部と給紙部との間に段差を形成すると、給紙部の最上部に配置された給紙カセットの把持部が視認しにくくなり、操作性が低下するという問題がある。   For this reason, when the depth dimension of the paper feeding unit is made smaller than that of the image forming unit and a step is formed between the image forming unit and the paper feeding unit, the gripping portion of the paper feeding cassette disposed at the top of the paper feeding unit is There is a problem that it becomes difficult to visually recognize and operability is lowered.

本発明は、給紙部の最上段に配置された給紙カセットの視認性、特に把持部の視認性、操作性を確保しつつ、画像形成装置の床設置面積を小さくすることができるようにすることを目的とする。
The present invention, visibility of the paper feed cassette disposed on the uppermost stage of the paper feed unit, in particular the visibility of the grip portion, while ensuring the operability, floor footprint of the image forming apparatus so as to be able to reduce The purpose is to do.

請求項１の発明は、作像部の下方に複数段に給紙カセットを有する給紙部を備え、
前記作像部の前面を、前記給紙部の前面より手前側に張り出させて形成した画像形成装置において、
最上段の給紙カセットの前面の位置を、前記作像部の前面と前記複数段の給紙カセットのうちで第２段以下の給紙カセットの前面の間の位置となるように配置し、
前記作像部の前面と前記最上段の給紙カセットの前面、及び前記最上段の給紙カセットの前面と第２段以下の給紙カセットの前面の間にそれぞれ段差を形成するとともに、
前記最上段の給紙カセットの引き出し用の把持部の前面位置が前記作像部の前面位置とほぼ面一となるように、前記把持部を膨出形成した
ことを特徴とする画像形成装置である。
The invention of claim 1 comprises a paper feed unit having a plurality of paper feed cassettes below the image forming unit,
In the image forming apparatus formed by projecting the front surface of the image forming unit to the front side of the front surface of the paper feeding unit,
The front surface of the uppermost sheet cassette is arranged so that it is positioned between the front surface of the image forming unit and the front surface of the second or lower sheet cassette among the plurality of sheet cassettes,
Forming a step between the front surface of the image forming unit and the front surface of the uppermost sheet feed cassette, and between the front surface of the uppermost sheet feed cassette and the front surface of the second or lower sheet feed cassette;
Wherein as the front position of the grip portion of the drawer of the uppermost sheet feeding cassette is substantially flush with the front surface position of the imaging unit, the image type forming apparatus is characterized in that the gripping portion bulged form It is.

請求項２の発明は、請求項１の画像形成装置において、前記最上段の給紙カセットの前面と第２段以下の給紙カセットの前面の間位置する前記最上段の給紙カセットの前面の下部に傾斜面を備え、該傾斜面の下縁を前記第２段目の給紙カセットの上縁に連ならせたことを特徴とする。
The invention according to claim 2, Oite the image forming equipment according to claim 1, wherein said uppermost stage of the paper feed cassette is located between the front surface of the front surface and the second stage following the paper feed cassette of the uppermost sheet feeding cassette an inclined surface at the bottom of the front of, and characterized in that the lower edge of the inclined surface were not communicated to the upper edge of the second-stage paper feed cassette.

請求項３の発明は、請求項１または２の画像形成装置において、前記最上段の給紙カセットの把持部の少なくとも上側に手指挿入用の溝状空間部を形成したことを特徴とする。 According to a third aspect of the present invention, in the image forming apparatus according to the first or second aspect , a groove-like space portion for inserting a finger is formed at least above the grip portion of the uppermost sheet cassette.

請求項４の発明は、請求項３の画像形成装置において、前記把持部は、上側及び下側の両側から手指を差し込めるものとしたことを特徴とする。
A fourth aspect of the present invention, Oite the image forming equipment according to claim 3, wherein the gripper is characterized in that from both sides of the upper and lower as to plug the fingers.

請求項５の発明は、請求項１ないし４のいずれかの画像形成装置において、前記第２段以下の給紙カセットの引き出し用の把持部は、下方から手指を差し込めるものとしたことを特徴とする。
The invention of claim 5, claims 1 to Oite to any one of the image forming equipment of 4, the gripping portion of the drawer of the second stage following the paper feed cassette was assumed to plug the finger from below It is characterized by that.

請求項６の発明は、請求項１ないし５のいずれかの画像形成装置において、ジェルインクジェット方式の作像部を備えたことを特徴とする。
The invention of claim 6, Oite to any one of the image forming equipment according to claim 1 to 5, characterized by comprising an imaging portion of the gel ink jet method.

本発明に係る画像形成装置によれば、給紙部の最上段に配置された給紙カセット、特にその把持部の視認性、操作性を確保しつつ、画像形成装置の床設置面積を小さくすることができるという効果がある。
According to the image forming equipment according to the present invention, the paper feed cassette disposed on the uppermost stage of the sheet feeding portion, the visibility of the grip portion of Tokuniso, while ensuring the operability, the floor footprint of the image forming apparatus There is an effect that it can be reduced.

以下本発明を実施するための最良の形態としての実施例を図面に基づいて説明する。   Embodiments as the best mode for carrying out the present invention will be described below with reference to the drawings.

以下本発明に係る画像形成装置の実施例について説明する。   Embodiments of the image forming apparatus according to the present invention will be described below.

画像形成装置１００は、図１ないし図３に示すように、ジェルインクジェット方式の画像形成装置を備えた作像部１１０と、この作像部１１０の下方に配置され４つの給紙カセット１２１、１２２，１２３，１２４を備えた給紙部１２０と、前記作像部１１０の上方に設けられた画像読取部１３０と、前記作像部１１０と画像読取部１３０との間に設けられた排紙部１４０とを備える。作像部１１０と画像読取部１３０とは、作像部１１０及び画像読取部１３０の左側の辺を連結する左側連結部１５０、奥側の辺を連結する奥側連結部１６０と、手前右側を連結する右側連結部１７０と、操作部１８０と、画像形成装置１００の駆動、通信の制御を行う電装品が収納された電装部１９０とを備える。   As shown in FIGS. 1 to 3, the image forming apparatus 100 includes an image forming unit 110 including a gel ink jet image forming apparatus, and four paper feeding cassettes 121 and 122 arranged below the image forming unit 110. , 123, and 124, an image reading unit 130 provided above the image forming unit 110, and a paper discharge unit provided between the image forming unit 110 and the image reading unit 130. 140. The image forming unit 110 and the image reading unit 130 include a left side connecting unit 150 that connects the left side of the image forming unit 110 and the image reading unit 130, a back side connecting unit 160 that connects the back side, and a front right side. A right connection unit 170 to be connected, an operation unit 180, and an electrical unit 190 in which electrical components for controlling the drive and communication of the image forming apparatus 100 are housed.

本例に係る画像形成装置１００は、作像部１１０にはジェルインクジェット方式の画像形成装置を備えており、その奥行き寸法ｄ１は、給紙部１２０の奥行き寸法ｄ２より大きい。ここで作像部１１０と給紙部１２０の裏面の位置は略同一であるから、作像部１１０の手前縁部面１１１は給紙部１２０の手前側面１２５よりｄ３だけ突出することになる。   In the image forming apparatus 100 according to this example, the image forming unit 110 includes a gel ink jet image forming apparatus, and the depth dimension d1 thereof is larger than the depth dimension d2 of the paper feeding unit 120. Here, since the positions of the back surfaces of the image forming unit 110 and the paper feeding unit 120 are substantially the same, the front edge surface 111 of the image forming unit 110 protrudes from the front side surface 125 of the paper feeding unit 120 by d3.

本例では、作像部１１０の直下に配置される最上段の給紙カセット１２１の前面１５１が、作像部１１０の前面１１１と、下方の給紙カセット１２２，１２３，１２４の前面１２５との間にそれぞれ段差が形成される位置となるように配置してあり（図３参照）、作像部１１０の直下の最上段の給紙カセット１２１が作像部１１０の前面で隠れないように一体感が得られる形態で形成してある。そして、給紙カセット１２１には、把持部１５３が形成されており、把持部１５３は作像部１１０の前面１１１とほぼ面一となるように膨出させて形成してある。したがって、下方の給紙カセット１２２，１２３，１２４より膨出させて形成してある。そして、この上方面１５１と直下に配置される給紙カセット１２２と前面とを連続する傾斜面部１５２を形成している。この例では、傾斜面部１５２は湾曲面として形成されている。
In this example, the front face 151 of the uppermost paper feed cassette 121 which is disposed immediately below the image forming unit 110, the front surface 111 of the image forming unit 11 0, the front surface of the lower sheet cassette 122, 123, 124 125 (See FIG. 3) so that the uppermost sheet cassette 121 immediately below the image forming unit 110 is not hidden by the front surface of the image forming unit 110. It is formed in the form state that sense of unity is obtained. The paper feed cassette 121 is formed with a grip portion 153, and the grip portion 153 is formed to bulge so as to be substantially flush with the front surface 111 of the image forming unit 110. Therefore, it is formed to bulge from the lower sheet cassettes 122, 123, and 124. Then, an inclined surface portion 152 is formed, in which the upper surface 151, the paper feed cassette 122 disposed immediately below, and the front surface are continuous. In this example, the inclined surface portion 152 is formed as a curved surface.

本例では、給紙カセット１２１の把持部１５３は手指挿入孔１５４を備えており、その上部に手指挿入用の溝状空間部１５５，１５６が形成されている。
In this embodiment, the grip portion 15 3 of the paper feed cassette 121 is Ri Contact comprise finger insertion hole 154, a groove-like space portions 155 and 156 for the finger inserted is formed thereon.

従って本例では、給紙部１２０の把持部１５３は作像部１１０に遮られることなく視認でき、容易に把持部１５３を操作して、給紙カセット１２１を取り出したり、挿入したりすることができる。 In this example, therefore, the grip portion 153 of the sheet feeding unit 120 is visible without being blocked by the image forming unit 110, by operating the easy grip portion 153, and retrieve the paper feed cassette 121, or to insert it can.

なお、下方の給紙カセット１２２，１２３，１２４には、その最前面１６１，１６４，１６７に把持部１６２，１６５、１６８が配置され、把持部１６２，１６５、１６８の下部には凹部１６３，１６６，１６９が形成され、手指を下方から把持部１６２，１６５、１６８に掛けることができる。   In the lower sheet feeding cassettes 122, 123, and 124, gripping portions 162, 165, and 168 are disposed on the foremost surfaces 161, 164, 167, and concave portions 163, 166 are disposed below the gripping portions 162, 165, 168. , 169 are formed, and fingers can be hung on the gripping portions 162, 165, 168 from below.

実施例に係る画像形装置の斜視図である。1 is a perspective view of an image forming apparatus according to an embodiment. 図１に示した画像形成装置の正面図である。FIG. 2 is a front view of the image forming apparatus illustrated in FIG. 1. 図１に示した画像形成装置の側面図である。FIG. 2 is a side view of the image forming apparatus illustrated in FIG. 1.

符号の説明Explanation of symbols

１００・・・画像形成装置
１１０・・・作像部
１１１・・・手前縁部面
１２０・・・給紙部
１２１、１２２，１２３，１２４・・・給紙カセット
１２５・・・手前側面
１３０・・・画像読取部
１４０・・・排紙部
１５０・・・左側連結部
１５１・・・上方面
１５２・・・傾斜面部
１５３・・・把持部
１５４・・・手指挿入孔
１５５，１５６・・・溝状空間部
１６０・・・奥側連結部
１６１，１６４，１６７・・・最前面
１６２，１６５、１６８・・・把持部
１６２，１６５、１６９・・・把持部
１６３，１６６，１６９・・・凹部
１７０・・・右側連結部
１８０・・・操作部
１９０・・・制御部

DESCRIPTION OF SYMBOLS 100 ... Image forming apparatus 110 ... Image forming part 111 ... Front edge part surface 120 ... Paper feed part 121, 122, 123, 124 ... Paper feed cassette 125 ... Front side surface 130- ..Image reading unit 140... Discharge unit 150... Left side connection unit 151 .. upper surface 152... Inclined surface 153 .. gripping part 154. Groove-shaped space portion 160 ... back side connecting portions 161, 164, 167 ... foreground surfaces 162, 165, 168 ... gripping portions 162, 165, 169 ... gripping portions 163, 166, 169 ... Concave portion 170 ... right side connection portion 180 ... operation portion 190 ... control portion

Claims (6)

作像部の下方に複数段に給紙カセットを有する給紙部を備え、
前記作像部の前面を、前記給紙部の前面より手前側に張り出させて形成した画像形成装置において、
最上段の給紙カセットの前面の位置を、前記作像部の前面と前記複数段の給紙カセットのうちで第２段以下の給紙カセットの前面の間の位置となるように配置し、
前記作像部の前面と前記最上段の給紙カセットの前面、及び前記最上段の給紙カセットの前面と第２段以下の給紙カセットの前面の間にそれぞれ段差を形成するとともに、
前記最上段の給紙カセットの引き出し用の把持部の前面位置が前記作像部の前面位置とほぼ面一となるように、前記把持部を膨出形成した
ことを特徴とする画像形成装置。 A paper feed unit having paper feed cassettes in a plurality of stages below the image forming unit,
In the image forming apparatus formed by projecting the front surface of the image forming unit to the front side of the front surface of the paper feeding unit,
The front surface of the uppermost sheet cassette is arranged so that it is positioned between the front surface of the image forming unit and the front surface of the second or lower sheet cassette among the plurality of sheet cassettes,
Forming a step between the front surface of the image forming unit and the front surface of the uppermost sheet feed cassette, and between the front surface of the uppermost sheet feed cassette and the front surface of the second or lower sheet feed cassette;
Wherein as the front position of the grip portion of the drawer of the uppermost sheet feeding cassette is substantially flush with the front surface position of the imaging unit, the image type forming apparatus is characterized in that the gripping portion bulged form . 前記最上段の給紙カセットの前面と第２段以下の給紙カセットの前面の間位置する前記最上段の給紙カセットの前面の下部に傾斜面を備え、該傾斜面の下縁を前記第２段目の給紙カセットの上縁に連ならせたことを特徴とする請求項１の画像形成装置。   An inclined surface is provided at a lower portion of the front surface of the uppermost sheet cassette located between the front surface of the uppermost sheet cassette and the front surface of the second and lower sheet cassettes, and the lower edge of the inclined surface is the first edge. 2. The image forming apparatus according to claim 1, wherein the image forming apparatus is connected to an upper edge of the second-stage sheet feeding cassette. 前記最上段の給紙カセットの把持部の少なくとも上側に手指挿入用の溝状空間部を形成したことを特徴とする請求項１または２の画像形成装置。 3. The image forming apparatus according to claim 1, wherein a groove-like space portion for inserting a finger is formed at least above the grip portion of the uppermost sheet cassette. 前記把持部は、上側及び下側の両側から手指を差し込めるものとしたことを特徴とする請求項３の画像形成装置。   The image forming apparatus according to claim 3, wherein the grip portion is configured to insert fingers from both the upper side and the lower side. 前記第２段以下の給紙カセットの引き出し用の把持部は、下方から手指を差し込めるものとしたことを特徴とする請求項１ないし４のいずれかの画像形成装置。   5. The image forming apparatus according to claim 1, wherein the gripping part for pulling out the second-stage or lower sheet feeding cassette can be inserted with a finger from below. ジェルインクジェット方式の作像部を備えたことを特徴とする請求項１ないし５のいずれかの画像形成装置。
6. The image forming apparatus according to claim 1, further comprising a gel inkjet image forming unit.
JP2005292075A 2005-10-05 2005-10-05 Image forming apparatus Expired - Fee Related JP4568203B2 (en)

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JPH03272936A (en) * 1990-03-22 1991-12-04 Konica Corp Image forming device
JPH0592847A (en) * 1991-09-30 1993-04-16 Omron Corp Printing machine
JPH06329279A (en) * 1993-03-26 1994-11-29 Tokyo Electric Co Ltd Paper feeding cassette
JP2000015891A (en) * 1998-07-03 2000-01-18 Canon Inc Image forming apparatus
JP2001515808A (en) * 1997-09-12 2001-09-25 ミネソタ マイニング アンド マニュファクチャリング カンパニー Image transfer method
JP2004317940A (en) * 2003-04-18 2004-11-11 Ricoh Co Ltd Transfer unit, image forming apparatus, and front board frame structure of the image forming apparatus
JP2005000229A (en) * 2003-06-09 2005-01-06 Noda Corp Mirrored basin cabinet

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Publication number Priority date Publication date Assignee Title
JPH0398923A (en) * 1989-09-13 1991-04-24 Toshiba Corp Paper feeding device and picture-image formation device
JPH03272936A (en) * 1990-03-22 1991-12-04 Konica Corp Image forming device
JPH0592847A (en) * 1991-09-30 1993-04-16 Omron Corp Printing machine
JPH06329279A (en) * 1993-03-26 1994-11-29 Tokyo Electric Co Ltd Paper feeding cassette
JP2001515808A (en) * 1997-09-12 2001-09-25 ミネソタ マイニング アンド マニュファクチャリング カンパニー Image transfer method
JP2000015891A (en) * 1998-07-03 2000-01-18 Canon Inc Image forming apparatus
JP2004317940A (en) * 2003-04-18 2004-11-11 Ricoh Co Ltd Transfer unit, image forming apparatus, and front board frame structure of the image forming apparatus
JP2005000229A (en) * 2003-06-09 2005-01-06 Noda Corp Mirrored basin cabinet

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