JPS6220537B2 - - Google Patents

Description

【発明の詳細な説明】 本発明は、複写機・簡易印刷機等画像形成装置
における原稿圧着装置に関するものである。更に
詳細には、必要時に簡単に画像形成装置本体から
着脱できるとともに、不用意には外れることのな
い原稿圧着装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a document pressing device in an image forming apparatus such as a copying machine or a simple printing machine. More specifically, the present invention relates to a document pressing device that can be easily attached and detached from the main body of an image forming apparatus when necessary, and that will not come off inadvertently.

以下、複写機を例にとり説明する。 The explanation will be given below using a copying machine as an example.

通常複写機には、原稿を押えかつ外光を遮断す
るなどの目的で、いわゆる原稿圧着装置が装着さ
れている。この圧着装置には、その構造上硬い材
質で背板を形成したハードな圧着板を有するもの
と、背板をゴム等の柔軟性のある材質で形成した
ソフトな圧着板を有するものとがある。本発明
は、これらハード・ソフト両方の圧着板に適用で
きるものである。 Copying machines are usually equipped with a so-called original pressing device for the purpose of holding down the original and blocking external light. There are two types of crimping devices: one has a hard crimping plate with a back plate made of a hard material, and the other has a soft crimping plate with a back plate made of a flexible material such as rubber. . The present invention is applicable to both these hard and soft pressure bonding plates.

従来これら圧着装置は、複写機本体に固定して
取り付けられていた。そのため、原稿載置面より
も面積の大きい原稿をコピーしたい場合に、原稿
がこの圧着装置に邪魔されて、原稿載置面の所定
位置に載置しにくいことがあつた。あるいは、修
理・清損のためまたはADF（原稿自動送り装
置）装置のため等圧着装置を本体から取り外した
い場合に、その着脱に手間がかかつていた。 Conventionally, these crimping devices have been fixedly attached to the main body of the copying machine. Therefore, when it is desired to copy a document having an area larger than the document placement surface, the document is obstructed by the pressure bonding device, and it is difficult to place the document at a predetermined position on the document placement surface. Alternatively, when it is desired to remove the equal pressure bonding device from the main body for repair, cleanliness, or for use in an ADF (automatic document feeder) device, it is time consuming to attach and detach it.

そこで近時、圧着装置を複写機本体に着脱自在
に取り付けることが行なわれるようになつてき
た。これは、複写機用途の多様化とともに、大サ
イズの原稿をもコピーしなければならない今日、
特に有効である。また、ADFを用いる場合に
は、圧着装置を取り外さなければならないが、圧
着装置の着脱が容易になることにより、この
ADFの取り付け作業も簡単に行なわれるように
なつた。しかしながら現在公知のものは、従来よ
りも着脱が容易にはなつてきたが、未だ着脱に手
間がかかつたり、あるいは操作中に不用意に外れ
てしまう恐れがある。 Therefore, in recent years, a crimping device has been removably attached to the main body of a copying machine. This is due to the diversification of copier applications and the need to copy large-sized originals.
Particularly effective. In addition, when using an ADF, the crimping device must be removed, but this can be done easily by making it easier to attach and detach the crimping device.
Installation of the ADF has also become easier. However, although the currently known devices have become easier to attach and detach than before, they still require time and effort to attach and detach, or there is a risk that they may come off inadvertently during operation.

そこで本発明は、本体に容易に着脱できるとと
もに、不用意には外れることのない原稿圧着装置
を提供するものである。 SUMMARY OF THE INVENTION Therefore, it is an object of the present invention to provide a document pressing device that can be easily attached to and removed from a main body and that will not come off inadvertently.

上記目的を達成するために成された本発明は、
以下の構成を有する。即ち、原稿載置面に原稿を
支持する開閉可能な原稿圧着装置において、原稿
載置面に原稿を押圧する原稿圧着板と、装置本体
に回動自在に軸支され弾性変形することでこの装
置本体への軸支が解除可能であつて、原稿圧着板
に固設した保持部材の嵌合部に嵌合することによ
り、原稿圧着板を装置本体に開閉自在に支持する
支持部材とを有していて、上記の保持部材は、原
稿圧着板が原稿載置面側に位置するときに支持部
材の弾性変形を規制しており、原稿圧着板が原稿
載置面から離れた側に位置するときには、支持部
材の弾性変形を許容することを特徴とするもであ
る。 The present invention has been made to achieve the above object,
It has the following configuration. That is, in an openable and closable document pressure device that supports a document on a document placement surface, the device includes a document pressure bonding plate that presses the document against the document placement surface, and a document pressure bonding plate that is rotatably supported on the main body of the device and elastically deforms. The support member has a support member whose pivot support to the main body is releasable and which supports the original pressure bonding plate so as to be openable and closable on the apparatus main body by fitting into a fitting portion of a holding member fixed to the document pressure bonding plate. The above-mentioned holding member restricts elastic deformation of the support member when the original pressure bonding plate is located on the side of the document placement surface, and restricts elastic deformation of the support member when the document pressure bonding plate is located on the side away from the document placement surface. , which is characterized by allowing elastic deformation of the support member.

以下、図面を用いて、本発明の一実施例を詳細
に説明する。 Hereinafter, one embodiment of the present invention will be described in detail using the drawings.

第１図および第２図は本発明を適用した原稿圧
着装置の実施例を示す側面図、第３図はその平面
図、第４図ａは通常の使用状態における本発明を
適用した原稿圧着装置の横断面図、第４図ｂは原
稿圧着板と支持部材を取り外す状態を示した横断
面図、第５図は保持部材の斜視図である。 1 and 2 are side views showing an embodiment of the original pressing device to which the present invention is applied, FIG. 3 is a plan view thereof, and FIG. 4a is the original pressing device to which the present invention is applied in normal use FIG. 4b is a cross-sectional view showing a state in which the document pressure bonding plate and the support member are removed, and FIG. 5 is a perspective view of the holding member.

図において、１は複写機本体、２は原稿台、３
はガラスからなる原稿載置面である。また、４は
原稿圧着板で、ハード・ソフトどちらのタイプで
あつても良い。そして圧着板４には、圧着板取り
付け側端部近傍に横なが長穴５が２箇所設けられ
ている。また、６は支持部材であるところのレバ
ー部材であり、圧着板４を原稿載置面３から開放
した際に該圧着板４を開放支持する。このレバー
部材６は、略「コ」の字状であり、その両先端は
外方へ折れ曲がり回転軸部６ａを形成し、この回
転軸部６ａが原稿台２に固設された軸受部７に回
動自在に嵌め込まれている。また、このレバー部
材６は軸受部７側に、圧着板６を閉じた際に原稿
載置面に対して、略垂直方向へ折れ曲がつた立ち
上がり部６ｂを有している（第１図）。そしてレ
バー部材６は、この立ち上がり部６ｂが前記長穴
５を貫通することにより、圧着板４と係合してい
る。そこで圧着板４は、把手９をつかみ上げ下げ
することにより、その軸受部７を中心に開閉され
る。そして圧着板４を開いた際、レバー部材６の
立ち上り部頂点６ｄが原稿台２と当接し、レバー
部材６は自立して圧着板４を開放状態で支持する
（第２図）。 In the figure, 1 is the main body of the copying machine, 2 is the original table, and 3
is a document placement surface made of glass. Further, 4 is a document pressure bonding plate, which may be either a hard type or a soft type. The crimp plate 4 is provided with two horizontal elongated holes 5 near the end on the crimp plate attachment side. Further, reference numeral 6 denotes a lever member which is a supporting member, and supports the pressure bonding plate 4 in an open manner when the pressure bonding plate 4 is released from the document placement surface 3. This lever member 6 has a substantially U-shape, and both ends thereof are bent outward to form a rotating shaft portion 6a, and this rotating shaft portion 6a is attached to a bearing portion 7 fixed to the document table 2. It is fitted so that it can rotate freely. Further, this lever member 6 has a rising portion 6b on the bearing portion 7 side that is bent in a direction substantially perpendicular to the document placement surface when the pressure bonding plate 6 is closed (FIG. 1). . The lever member 6 is engaged with the pressure bonding plate 4 by the rising portion 6b passing through the elongated hole 5. The crimp plate 4 is then opened and closed around its bearing portion 7 by grasping the handle 9 and raising and lowering it. When the pressure bonding plate 4 is opened, the apex 6d of the rising portion of the lever member 6 comes into contact with the document table 2, and the lever member 6 becomes independent and supports the pressure bonding plate 4 in an open state (FIG. 2).

またさらに、圧着板４の長欠５上部には、保持
部材８が固設されている。この保持部材８は、レ
バー部材６の立ち上り部６ｂと略同じ幅の切欠き
部８ａがレバー部材６の弓状部６ｃに沿つて設け
られている。そこで、レバー部材６は通常この立
ち上り部６ｂがこの切欠き８ａと当接して、長穴
５に沿つて内方（矢示ａ方向）へ移動するのを規
制されている。また、この保持部材８には、切欠
き部８ａと連なつて圧着板上面にレバー部材と略
同じ幅の溝８ｂが設けられている。この溝８ｂ
は、長穴５に沿つて各保持部材の互いに内方に設
けられている。そこで、圧着板４を立ち上り部６
ｂに沿つて上方へ持ち上げ圧着板４の上面が弓状
部６ｃまで達すると、その立ち上がり部６ｂ及び
弓状部６ｃは、切欠き部８ａに当接することなし
に、立ち上り部６ｂは長穴５にまた弓状部６ｃは
溝８ｂに沿つて、内方へ移動できる。従つてこの
レバー部材６の軸部６ａは矢示ａ方向へ互いに内
方へ移動することにより、その両先端の回転軸部
６ａは軸受部７から簡単に解除でき、圧着装置は
原稿台２から簡単に取り外すことができる。ま
た、圧着装置を原稿台２へ取り付ける際には、圧
着板４を立ち上り部６ｂに沿つて圧着板４の上面
が弓状部６ｃに達するまで持ち上げ、レバー部材
６の弓状部６ｃを内方への力を加えて溝８ｂへ嵌
入しつつ、即ち回転軸部６ａを溝８ｂの範囲内で
内方へずらしつつ軸受部７まで運びその力をゆる
めると弾性力により、回転軸部６ａは軸受部７へ
嵌め込まれる。 Furthermore, a holding member 8 is fixedly provided above the long notch 5 of the crimp plate 4. This holding member 8 is provided with a notch 8a along the arcuate portion 6c of the lever member 6 and having approximately the same width as the rising portion 6b of the lever member 6. Therefore, the rising portion 6b of the lever member 6 normally comes into contact with the notch 8a, and movement inward (in the direction of arrow a) along the elongated hole 5 is restricted. Further, this holding member 8 is provided with a groove 8b having approximately the same width as the lever member on the upper surface of the pressure bonding plate and continuous with the notch portion 8a. This groove 8b
are provided inside each holding member along the elongated hole 5. Therefore, the crimp plate 4 is
When the upper surface of the crimp plate 4 reaches the arcuate part 6c, the rising part 6b and the arcuate part 6c do not come into contact with the notch part 8a, but the rising part 6b fits into the elongated hole 5. Additionally, the arcuate portion 6c can move inwardly along the groove 8b. Therefore, by moving the shaft portions 6a of this lever member 6 inwardly in the direction of arrow a, the rotating shaft portions 6a at both ends thereof can be easily released from the bearing portion 7, and the crimping device can be removed from the document table 2. Can be easily removed. When attaching the crimping device to the document table 2, lift the crimping plate 4 along the rising portion 6b until the top surface of the crimping plate 4 reaches the arcuate portion 6c, and then move the arcuate portion 6c of the lever member 6 inward. While applying force to the groove 8b and moving the rotating shaft 6a inwardly within the range of the groove 8b, the rotating shaft 6a is moved to the bearing 7 and the force is relaxed. It is fitted into section 7.

従つて本実施例によれば、第４図ａから明らか
なように通常の使用状態においては、レバー部材
６に対して矢印ａ方向に力を加えても、保持部材
８の切り欠き部８ａの内壁がレバー部材６の内方
への弾性変形を阻止するため、その回転軸部６ａ
は原稿台２の軸受部７から外れることはない。即
ち本実施例によれば、通常圧着装置は原稿台２か
ら外れることはない。また、圧着装置を原稿台２
から取り外す際には、圧着板４を単に上方へ持ち
上げレバー部材６に内方への僅かな力を加えてや
るだけで、簡単に原稿台に着脱することができ
る。また、第２図に示す如く、圧着板４を開放状
態で支持する際、この保持部材８は自立するレバ
ー６を切欠き部８ａで保持して、レバー６の自立
をより安定なものとしている。また圧着板を閉じ
る際には、レバー６が圧着板４につれて戻るのを
補助している。なお２ｃは操作パネルで、操作人
は複写機本体のこちらの側から複写機を操作す
る。 Therefore, according to this embodiment, as is clear from FIG. 4a, in normal use, even if a force is applied to the lever member 6 in the direction of the arrow a, the notch 8a of the holding member 8 is Since the inner wall prevents inward elastic deformation of the lever member 6, its rotating shaft portion 6a
does not come off from the bearing portion 7 of the document table 2. That is, according to this embodiment, the pressure bonding device normally does not come off the document table 2. Also, attach the crimping device to the original platen 2.
When removing the document from the document table, the pressure bonding plate 4 is simply lifted upward and a slight inward force is applied to the lever member 6, so that the document can be easily attached to and detached from the document table. Further, as shown in FIG. 2, when supporting the crimp plate 4 in the open state, the holding member 8 holds the lever 6 that stands on its own with the notch 8a, thereby making the lever 6 more stable on its own. . Further, when closing the crimp plate, the lever 6 assists in returning along with the crimp plate 4. Note that 2c is an operation panel, and the operator operates the copying machine from this side of the copying machine main body.

なお、本実施例では、レバー部材６と圧着板４
とは単に圧着板４の長穴５を立ち上り部６ｂが貫
通して係合しているだけであるから、圧着板４は
この立ち上がり部６ｂに沿つて原稿載置面３に対
して上下方向に移動可能であり、また弓状部６ｃ
は圧着板と係合しておらずやはり自由な状態であ
る。そのため、原稿として本の様な立体物を載置
しなければならない場合でも、圧着板全体が原稿
の厚さに応じて上下することができるため、原稿
が原稿載置面３に置きやすく、かつ、その原稿全
体を一様な力で押えることが出来る。またさら
に、レバー部材６の立ち上がり部６ｂと軸受け部
７との位置、あるいは立ち上がり部６ｂの高さを
調整することにより、前記した如く圧着板４を開
いた時、その立ち上がり部頂点６ｄをストツパー
としてある所定の開角度に止まる様に設定する事
が出来る。 In addition, in this embodiment, the lever member 6 and the pressure bonding plate 4
This simply means that the rising portion 6b penetrates and engages the elongated hole 5 of the pressure bonding plate 4. Therefore, the pressure bonding plate 4 is moved vertically with respect to the document placement surface 3 along this rising portion 6b. It is movable and has an arcuate portion 6c.
is not engaged with the crimp plate and is still in a free state. Therefore, even when a three-dimensional object such as a book must be placed as a manuscript, the entire pressure bonding plate can move up and down according to the thickness of the manuscript, making it easy to place the manuscript on the manuscript placement surface 3. , the entire document can be pressed with uniform force. Furthermore, by adjusting the position of the rising portion 6b and the bearing portion 7 of the lever member 6, or the height of the rising portion 6b, when the crimp plate 4 is opened as described above, the apex 6d of the rising portion can be used as a stopper. It can be set so that it stops at a certain predetermined opening angle.

以上述べた様に、本発明原稿圧着装置は原稿圧
着部材の支持部材との係合部に固設され原稿圧着
装置着脱のための支持部材退避部を有する保持部
材を設けたので、本体に容易に着脱できるととも
に、不用意には外れることのないものである。 As described above, the original pressing device of the present invention is provided with a holding member that is fixed to the engagement portion of the original pressing member with the supporting member and has a support member retraction portion for attaching and detaching the original pressing device. It can be attached and detached easily and will not come off accidentally.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図および第２図は本発明を適用した原稿圧
着装置の実施例を示す側面図、第３図はその平面
図、第４図ａはその横断面図、第４図ｂは原稿圧
着板と支持部材を原稿台から取り外す状態を示す
横断面図、第５図は保持部材の斜視図である。 図において、１……複写機本体、２……原稿
台、２ａ・２ｂ……凹部、３……原稿載置面、４
……原稿圧着板、５……長穴、６……レバー部
材、６ａ……回転軸部、６ｂ……立ち上がり部、
６ｃ……弓状部、６ｄ……立ち上がり部頂点、７
……軸受部、８……保持部材、８ａ……切欠き
部、８ｂ……溝、９……把手、１０……白色板、
１１ａ・１１ｂ……ネジ、１２……緩衝部材。 1 and 2 are side views showing an embodiment of a document pressure bonding device to which the present invention is applied, FIG. 3 is a plan view thereof, FIG. 4a is a cross-sectional view thereof, and FIG. 4b is a document pressure bonding plate. FIG. 5 is a cross-sectional view showing a state in which the supporting member is removed from the document table, and FIG. 5 is a perspective view of the holding member. In the figure, 1...copying machine main body, 2...document stand, 2a/2b...recess, 3...document placement surface, 4
...Original pressure bonding plate, 5...Elongated hole, 6...Lever member, 6a...Rotating shaft part, 6b...Rising part,
6c...Arcuate part, 6d...Rising part apex, 7
... Bearing part, 8 ... Holding member, 8a ... Notch part, 8b ... Groove, 9 ... Handle, 10 ... White plate,
11a, 11b...Screw, 12...Buffer member.

Claims (1)

【特許請求の範囲】 １ 原稿を載置する原稿載置面と、 上記原稿載置面に原稿を押圧する原稿圧着板
と、 装置本体の上記原稿載置面側に設けられた軸支
部と、 上記軸支部に回動自在に軸支され弾性変形する
ことでこの軸支が解除可能であつて、上記原稿圧
着板に固設した保持部材の嵌合部と嵌合すること
により上記原稿圧着板を装置本体に開閉自在に支
持する支持部材とを有し、 上記保持部材の嵌合部は、上記原稿圧着板が上
記軸支部に近接した状態にあるとき上記支持部材
の弾性変形による軸支解除を規制する規制嵌合部
と、上記原稿圧着板が上記軸支部から離れた状態
にあるとき上記軸支部における軸支を解除できる
に足る上記支持部材の弾性変形を許容する許容嵌
合部とを有しており、 上記支持部材を上記許容嵌合部内へ弾性変形さ
せて軸支を解除することにより上記原稿圧着板と
上記支持部材を一体的に装置本体より取りはずす
ことを特徴とした原稿圧着装置。[Scope of Claims] 1. A document placement surface on which a document is placed, a document pressure bonding plate that presses the document on the document placement surface, and a shaft support provided on the document placement surface side of the apparatus main body; The original pressing plate is rotatably supported on the shaft support and can be released by being elastically deformed, and the original pressing plate is fitted with a fitting portion of a holding member fixed to the original pressing plate. and a support member that supports the main body of the apparatus so as to be openable and closable, and the fitting portion of the holding member is configured to release the pivot support by elastic deformation of the support member when the document pressure bonding plate is close to the pivot support. and a permissible fitting portion that allows elastic deformation of the support member sufficient to release the pivot support in the pivot support when the document pressure bonding plate is separated from the pivot support. A document pressing device, characterized in that the document pressing plate and the supporting member are integrally removed from the main body of the device by elastically deforming the supporting member into the permissible fitting portion and releasing the pivot support. .