JP2787988B2 - Document cover - Google Patents
Document coverInfo
- Publication number
- JP2787988B2 JP2787988B2 JP34111889A JP34111889A JP2787988B2 JP 2787988 B2 JP2787988 B2 JP 2787988B2 JP 34111889 A JP34111889 A JP 34111889A JP 34111889 A JP34111889 A JP 34111889A JP 2787988 B2 JP2787988 B2 JP 2787988B2
- Authority
- JP
- Japan
- Prior art keywords
- document
- support arm
- cover
- document cover
- pressing member
- 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
- Holders For Sensitive Materials And Originals (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、静電写真複写機およびレーザービームプリ
ンタ等の画像処理装置の原稿カバーに関するものであ
り、更に詳しく述べると、原稿カバーに設けた回動支持
腕を装置本体に着脱することにより原稿カバーを装置本
体に着脱する形態の原稿カバーの改良に関するものであ
る。The present invention relates to a document cover of an image processing apparatus such as an electrostatographic copying machine and a laser beam printer. More specifically, the present invention relates to a document cover provided on the document cover. The present invention relates to an improvement of a document cover in which a document cover is attached to and detached from the apparatus main body by attaching and detaching a rotation support arm to and from the apparatus main body.
（従来技術） 一般に、静電写真複写機においては、画像形成時に複
写原稿に光を照射する露光工程が行われる。この露光工
程を良好に行うためには装置本体上面の原稿載置板（以
下、コンタクトガラスと記す）に載置された原稿をコン
タクトガラスに対して全面均一に押圧して光の照射が均
一に行われるようにすることが必要であり、この目的の
ために原稿を押圧するための原稿押え部材を有する原稿
押圧カバーが種々提案されている。(Prior Art) Generally, in an electrostatographic copying machine, an exposure step of irradiating a copy original with light at the time of image formation is performed. In order to perform this exposure process well, the original placed on the original placing plate (hereinafter, referred to as contact glass) on the upper surface of the apparatus body is uniformly pressed against the contact glass over the entire surface to uniformly irradiate light. For this purpose, various document pressing covers having a document pressing member for pressing a document have been proposed for this purpose.
ところで、原稿カバーにおいては原稿を押圧するため
の原稿押え部材が長時間の使用により汚れてしまい、そ
のまま使用していると画像に悪影響を及ぼすために原稿
押え部材を適宜交換する必要があり、この点を考慮して
原稿カバーを装置本体に対して着脱可能に構成した原稿
カバーがある。By the way, in the document cover, the document pressing member for pressing the document becomes dirty due to long-time use, and if used as it is, it adversely affects the image. Therefore, it is necessary to appropriately replace the document pressing member. There is a document cover in which the document cover is configured to be detachable from the apparatus main body in consideration of the points.
この種の原稿カバーとして、第７図および第８図に示
すように、原稿カバー４の装置本体１への着脱を容易且
つ迅速に行うことができるという点で、原稿カバー４に
回動支持腕10を回動可能に設け、この回動支持腕10の自
由端部を装置本体１の係止溝３に着脱することにより原
稿カバー４を装置本体１に着脱可能にした形態の原稿カ
バー４が広く実用に供されている。As shown in FIGS. 7 and 8, this type of document cover has a rotation supporting arm attached to the document cover 4 in that the document cover 4 can be easily and quickly attached to and detached from the apparatus main body 1. The document cover 4 is configured so that the document cover 4 can be detachably attached to the apparatus main body 1 by detachably attaching the free end of the rotation support arm 10 to the locking groove 3 of the apparatus main body 1. Widely used for practical use.
この原稿カバー４について詳しく述べると、原稿カバ
ー４は、可撓性を有し原稿Ｐを押圧するための原稿押え
部材７と、この原稿押え部材７をビス９により着脱可能
に取り付けるための原稿カバー本体８と、原稿カバー本
体８の一端部の回動軸11により回動可能に設けられる４
つの回動支持腕10とを有するものである。The document cover 4 will be described in detail. The document cover 4 has flexibility and a document pressing member 7 for pressing the document P, and a document cover for detachably attaching the document pressing member 7 with screws 9. 4 provided rotatably by a main body 8 and a rotation shaft 11 at one end of the document cover main body 8
And one rotation support arm 10.
この回動支持腕10は、第８図に実線で示すように原稿
カバー４に対して略垂直に起立した状態の第１の状態Ａ
と、第８図に一点鎖線で示すように原稿カバー４に対し
て略水平な状態の第２の状態Ｂとを取りうるように構成
されている。なお、原稿押え部材７には、原稿カバー本
体８に取り付けた状態において確実に固定されるように
最低でも４箇所（ここでは４つの隅部）にカバー本体係
止部としての係止孔12が設けられ、原稿カバー本体８に
ビス止めされるようになっている。また、原稿押え部材
７は、白色を有し原稿Ｐと接触する原稿マット６と、こ
の原稿マット６をコンタクトガラス２上の原稿Ｐに対し
て押圧させるための弾性押圧部材５とを具備している。The rotation supporting arm 10 is in a first state A in a state of standing substantially perpendicularly to the document cover 4 as shown by a solid line in FIG.
And a second state B substantially horizontal with respect to the document cover 4 as shown by a dashed line in FIG. The document holding member 7 has locking holes 12 as cover body locking portions at at least four places (here, four corners) so that the document holding member 7 is securely fixed in a state of being attached to the document cover body 8. It is provided and is screwed to the document cover body 8. The document pressing member 7 includes a document mat 6 having a white color and contacting the document P, and an elastic pressing member 5 for pressing the document mat 6 against the document P on the contact glass 2. I have.
引き続いて、上記構成の原稿カバー４の作用について
説明する。第７図に一点鎖線で示すように、原稿カバー
４は回動支持腕10が第２の状態Ｂを取るときに装置本体
１に着脱される。なお、原稿Ｐを押圧するときには、第
２の状態Ｂにおいて原稿カバー４を装置本体１のコンタ
クトガラス２側に押し下げることにより、装置本体１の
係止溝３に係止する回動支持腕10に対して原稿カバー４
が図中時計回りの方向に回転し、回動支持腕10が第１の
状態Ａを取るときに原稿カバー４が閉止状態となり、原
稿カバー４の原稿押え部材７がコンタクトガラス２上の
原稿Ｐを押圧する。（第７図二点鎖線参照）、 一方、原稿Ｐの押圧を解除するときには、原稿カバー
４を回動支持腕10に対して図中反時計回りの方向に回転
させると、回動支持腕10に対して原稿カバー４が第２の
状態Ｂを取り、このときに原稿カバー４が開放状態とな
ると同時に原稿カバー４が着脱可能になる。Subsequently, the operation of the document cover 4 having the above configuration will be described. As shown by a dashed line in FIG. 7, the document cover 4 is attached to and detached from the apparatus main body 1 when the rotation support arm 10 takes the second state B. When the document P is pressed, the document cover 4 is pushed down to the contact glass 2 side of the apparatus main body 1 in the second state B, so that the rotation supporting arm 10 locked in the locking groove 3 of the apparatus main body 1 is pressed. Document cover 4
Rotates in the clockwise direction in the figure, and when the rotation support arm 10 takes the first state A, the document cover 4 is closed, and the document pressing member 7 of the document cover 4 is moved to the document P on the contact glass 2. Press. (See the two-dot chain line in FIG. 7.) On the other hand, when releasing the pressing of the document P, the document cover 4 is rotated counterclockwise in FIG. The document cover 4 assumes the second state B. At this time, the document cover 4 is opened and, at the same time, the document cover 4 becomes detachable.
（発明が解決しようとする課題） ところが、上記した原稿カバー４によれば、原稿押え
部材７を交換するときには、まず装置本体１から原稿カ
バー４を取り外して、さらに原稿カバー４から原稿押え
部材７を取り外さなければならないが、このとき原稿押
え部材７は４箇所の係止孔12に取りつけたビス９を取り
外すことにより原稿カバー４から取り外さなければなら
ず、交換作業が煩わしいものとなっていた。However, according to the document cover 4 described above, when the document pressing member 7 is replaced, the document cover 4 is first removed from the apparatus main body 1, and then the document pressing member 7 is removed from the document cover 4. At this time, the document pressing member 7 has to be removed from the document cover 4 by removing the screws 9 attached to the four locking holes 12, and the replacement work is troublesome.
ここで、係止手段をビス９のような煩わしいネジ止め
手段に変えて、例えば面ファスナ（商品名「マジックテ
ープ」）等のワンタッチで着脱可能な手段に変更するこ
とが考えられる。このように構成することにより、確か
に１箇所毎の係止手段の着脱作業は容易且つ迅速に行う
ことができるが、原稿押え部材７の原稿カバー４への着
脱作業は最低でも４箇所に設けた係止孔12に対して行わ
なければならないという根本的な問題点は依然として解
決されていない。Here, it is conceivable to change the locking means to a one-touch detachable means such as a hook-and-loop fastener (trade name “Magic Tape”), for example, by changing a troublesome screwing means such as a screw 9. With this configuration, the attaching / detaching operation of the locking means at each location can be performed easily and quickly. However, the attaching / detaching operation of the original pressing member 7 to / from the original cover 4 is provided at least at four locations. The fundamental problem that must be performed for the locking hole 12 that has been left has not been solved yet.
すなわち、前記のように回動支持腕10を有する形態の
原稿カバー４においては原稿カバー４の装置本体１への
着脱が容易且つ迅速であるにも係わらず、原稿押え部材
７の着脱に関しては４箇所に係止部を設けているため
に、原稿押え部材７の原稿カバー４への着脱という点で
は何ら容易且つ迅速になっておらず、その特長を十分に
生かし切っているとは言えない。That is, in the document cover 4 having the rotation support arm 10 as described above, although the document cover 4 can be easily and quickly attached to and detached from the apparatus main body 1, the attachment / detachment of the document pressing member 7 is 4 times. Since the locking portion is provided at the position, the attachment / detachment of the document holding member 7 to / from the document cover 4 is not easy and quick at all, and it cannot be said that the features are fully utilized.
また、４箇所に係止するように構成されているため
に、部品点数が多くなることも否めない。In addition, since it is configured to be locked at four places, it is undeniable that the number of parts increases.
本発明者らは鋭意検討の結果、上記のような回動支持
腕10を有する形態の原稿カバー４においては、原稿押え
部材７の４箇所の全てを係止する必要がなく、原稿押え
部材７の回動支持腕側部は回動支持腕10に緩挿した状態
で保持させるだけで十分であることを見出した。この理
由としては、原稿カバー４が装置本体１に装着された状
態においては、回動支持腕10は係止溝３に係止されるた
めに回動支持腕10から原稿押え部材７が取り外れるおそ
れがなくなるためである。As a result of intensive studies, the present inventors have found that in the document cover 4 having the above-described rotating support arm 10, it is not necessary to lock all four positions of the document pressing member 7, and the document pressing member 7 It has been found that it is sufficient to hold the rotation support arm side part of the rotation support arm 10 loosely inserted therein. The reason is that when the document cover 4 is attached to the apparatus main body 1, the document holding member 7 is detached from the rotation support arm 10 because the rotation support arm 10 is locked in the locking groove 3. This is because there is no fear.
すなわち、本発明は上記した問題点と上記鋭意検討の
結果を併せて考慮してなされたものであり、原稿カバー
の装置本体への着脱を容易且つ迅速に行うことができる
形態の原稿カバーにおいて、その特徴となる回動支持腕
に着眼したものである。That is, the present invention has been made in consideration of the above-described problems and the results of the above-mentioned earnest study, and in a document cover in a form that allows easy and quick attachment and detachment of the document cover to the apparatus main body, It focuses on the pivotal support arm that is a feature of this.
第１の発明の原稿カバーの目的とするところは、回動
支持腕を原稿カバーの装置本体への着脱手段として使用
すると同時に、原稿押え部材を緩挿した状態で保持する
保持手段として利用した原稿カバーを提供することによ
り、この形態の原稿カバーの特長を遺憾なく発揮させる
と供に原稿押え部材の着脱をより容易且つ迅速にし更に
原稿押え部材の原稿カバーへの取り付け部品を削減する
ことにある。An object of the document cover according to the first invention is to use a document that uses a rotating support arm as a means for attaching and detaching the document cover to and from the apparatus main body and at the same time as a holding means for holding a document pressing member in a loosely inserted state. By providing the cover, the features of the original cover of this mode can be fully exhibited, the attachment and detachment of the original pressing member can be made easier and faster, and the number of parts for attaching the original pressing member to the original cover can be reduced. .
さらに、第２の発明の原稿カバーの目的とするところ
は、第１の発明の原稿カバーにおいて原稿押え部材は回
動支持腕に緩挿された状態で保持されているために、例
えば原稿カバーの装置本体への装着時に原稿カバーから
原稿押え部材が取り外れるおそれがある点を考慮してな
されたものであり、回動支持腕を前記第１の発明の手段
として使用すると同時に、原稿押え部材の抜け止め手段
として利用した原稿カバーを提供することにより、前記
した第１の発明の目的に加えて装着時の原稿カバーから
の原稿押え部材の取り外れを未然に防止することにあ
る。Further, the purpose of the document cover of the second invention is that, in the document cover of the first invention, the document pressing member is held in a state of being loosely inserted into the rotation support arm, so that, for example, This is made in consideration of the possibility that the document pressing member may be detached from the document cover when the document pressing member is mounted on the apparatus main body. An object of the present invention is to provide a document cover used as a retaining means, in addition to the object of the first invention, to prevent the document pressing member from being detached from the document cover at the time of mounting.
（問題点を解決するための手段） 第１の発明の原稿カバーは、可撓性を有し原稿を押圧
するための原稿押え部材と、この原稿押え部材を着脱可
能に取り付けるための原稿カバー本体と、この原稿カバ
ー本体の一端部に回動可能に設けられると共に、その自
由端部が装置本体に着脱可能に装着される回動支持腕と
を有する原稿カバーであって、前記原稿押え部材は、原
稿カバー本体に着脱可能に取り付けられるカバー本体係
止部と、回動支持腕に着脱可能に緩挿される支持腕保持
用貫通穴とを備えることを特徴とするものである。(Means for Solving the Problems) A document cover according to a first aspect of the present invention has a document holding member having flexibility and for pressing a document, and a document cover body for detachably attaching the document holding member. A document cover having a pivot support arm rotatably provided at one end of the document cover main body and having a free end detachably attached to the apparatus main body, wherein the document pressing member is A cover main body removably attached to the document cover main body, and a support arm holding through hole removably loosely inserted into the rotation support arm.
さらに、第２の発明の原稿カバーは、可撓性を有し原
稿を押圧するための原稿押え部材と、この原稿押え部材
を着脱可能に取り付けるための原稿カバー本体と、この
原稿カバー本体の一端部に回動可能に設けられると共
に、その自由端部が装置本体に着脱可能に装着される回
動支持腕とを有する原稿カバーであって、前記原稿押え
部材は、原稿カバー本体に着脱可能に取り付けられるカ
バー本体係止部と、回動支持腕に着脱可能に緩挿される
支持腕保持用貫通穴とを備え、回動支持腕が装置本体に
着脱されるときに、回動支持腕は原稿押え部材の支持腕
保持用貫通穴が回動支持腕から取り外れることを防止す
るための抜け止め手段となるように構成したことを特徴
とするものである。Further, a document cover according to a second aspect of the present invention includes a document pressing member having flexibility and pressing a document, a document cover body for detachably attaching the document pressing member, and one end of the document cover body. A document cover having a rotatable support arm rotatably mounted on the document body and having a free end detachably mounted on the apparatus body, wherein the document pressing member is detachably attached to the document cover body. A cover body locking portion to be attached; and a support arm holding through hole removably loosely inserted into the rotation support arm. When the rotation support arm is attached to or detached from the apparatus main body, the rotation support arm holds the original. The support arm holding through-hole of the holding member is configured to serve as a retaining means for preventing the through hole for removal from the rotation support arm.
（作用） 第１の発明の原稿カバーによれば、原稿押え部材の原
稿カバーへの装着は、原稿押え部材のカバー本体係止部
を原稿カバー本体に係止すると共に、原稿押え部材の支
持氏腕保持用貫通穴を回動支持腕に緩挿することにより
行われる。また、原稿押え部材の原稿カバーからの取り
外しは、原稿押え部材のカバー本体係止部を原稿カバー
本体から取り外すと共に、原稿押え部材の支持腕保持用
貫通穴を回動支持腕から抜き出すことにより行われる。(Operation) According to the document cover of the first invention, when the document pressing member is attached to the document cover, the cover main body locking portion of the document pressing member is locked to the document cover main body and the document pressing member is supported. This is performed by loosely inserting the through hole for holding the arm into the rotation support arm. The document holding member can be removed from the document cover by removing the cover holding portion of the document holding member from the document cover body and pulling out the supporting arm holding through hole of the document holding member from the rotating support arm. Will be
このとき、回動支持腕への原稿押え部材の着脱作業
は、原稿押え部材に設けた貫通穴の回動支持腕への緩挿
及び抜き出しのみにより行われる。第２の発明の原稿カ
バーによれば、上記第１の発明の原稿カバーの作用に加
えて、原稿カバーが装置本体に着脱されるときには回動
支持腕は原稿押え部材の支持腕保持用貫通穴が回動支持
腕から取り外れることを防止するための抜け止めとな
る。At this time, the work of attaching and detaching the document pressing member to and from the rotation supporting arm is performed only by loosely inserting and removing the through hole provided in the document pressing member from the rotation supporting arm. According to the document cover of the second invention, in addition to the function of the document cover of the first invention, when the document cover is attached to or detached from the apparatus main body, the rotation support arm is a through-hole for holding the support arm of the document pressing member. Is prevented from being detached from the rotation support arm.
（実施例） まず、第１の発明の原稿カバーの一実施例について第
１図及び第２図に基づいて説明する。(Embodiment) First, an embodiment of the document cover of the first invention will be described with reference to FIGS. 1 and 2. FIG.
第１図は第１の発明の原稿カバーの一実施例を示す断
面図、第２図は第１の発明の原稿カバーの一実施例を示
す斜視図である。FIG. 1 is a sectional view showing an embodiment of the original cover of the first invention, and FIG. 2 is a perspective view showing an embodiment of the original cover of the first invention.
なお、図中において前記従来の原稿カバーと同一の構
成については、同符号で示し、詳細を避ける。In the drawings, the same components as those of the conventional document cover are denoted by the same reference numerals, and the details will be omitted.
この第１の発明の原稿カバーは、端的に説明すると、
回動支持腕を原稿カバーの装置本体への着脱手段として
使用すると同時に、原稿押え部材の支持腕保持用貫通孔
を緩挿した状態で保持する保持手段として利用した点に
特徴がある。The document cover of the first invention can be briefly described as follows.
It is characterized in that the rotation support arm is used as a means for attaching and detaching the document cover to and from the apparatus main body, and at the same time, is used as a holding means for holding the support arm holding through hole of the document pressing member in a loosely inserted state.
以下、要部のみについて説明する。 Hereinafter, only the main parts will be described.
図中７は原稿押え部材を示し、これは原稿マット６と
弾性押圧部材５とを有するものである。このとき、原稿
マット６はその一端側が、第２の状態Ｂに位置する回動
支持腕10の自由端部に達するように従来よりも延長して
形成されており、その端部の４箇所には回動支持腕10の
断面形状より若干大きい矩形状の支持腕保持用貫通穴20
が設けられている。In the drawing, reference numeral 7 denotes a document pressing member, which has a document mat 6 and an elastic pressing member 5. At this time, the document mat 6 is formed to be longer than before so that one end of the document mat 6 reaches the free end of the rotating support arm 10 located in the second state B. Is a rectangular support arm holding through hole 20 slightly larger than the cross-sectional shape of the rotation support arm 10.
Is provided.
上記の構成に基づく原稿カバー４によれば、原稿押え
部材の７の原稿カバー４への装着は、まず、第２図に一
点鎖線で示すように従来と同様に、原稿押え部材７のカ
バー本体係止孔12をビス止めにより原稿カバー本体８に
係止し、次いで、第２図に二点鎖線で示すように原稿マ
ット６の支持腕保持用貫通穴20を第２の状態Ｂを取る回
動支持腕10に緩挿することにより行われる。このとき、
原稿押え部材７の原稿カバー４への装着手順を上記した
手順と逆にして、すなわち原稿マット６の支持腕保持用
貫通穴20を第２の状態Ｂを取る回動支持腕10に緩挿し、
次いで原稿押え部材７のカバー本体係止孔12をビス止め
により原稿カバー本体８に係止することにより行っても
よい。一方、原稿押え部材７の原稿カバー４からの取り
外しは、上記した装着手順と逆の手順を行えばよい。According to the original cover 4 based on the above-described configuration, the attachment of the original pressing member 7 to the original cover 4 is performed by first setting the cover body of the original pressing member 7 as shown by a dashed line in FIG. The locking hole 12 is locked to the document cover main body 8 by screwing, and then the supporting arm holding through hole 20 of the document mat 6 is set to the second state B as shown by a two-dot chain line in FIG. This is performed by loosely inserting the support arm 10. At this time,
The procedure for attaching the document holding member 7 to the document cover 4 is reversed from the procedure described above, that is, the support arm holding through hole 20 of the document mat 6 is loosely inserted into the rotary support arm 10 in the second state B,
Next, the cover body locking hole 12 of the document pressing member 7 may be locked to the document cover body 8 by screwing. On the other hand, removal of the document pressing member 7 from the document cover 4 may be performed in a procedure reverse to the above-described mounting procedure.
このことにより、原稿押え部材７の原稿カバー４への
着脱機構としては、従来の４箇所のうち２箇所の係止孔
12および２つのビス９の代わりに、原稿マット６に支持
腕保持用貫通穴20を設けるだけであるために、構成がよ
り簡略化される。また、原稿押え部材７の原稿カバー４
への着脱作業は、従来のように原稿押え部材７の２箇所
の係止の代わりに、回動支持腕10に原稿マット６の支持
腕保持用貫通穴20を緩挿および抜き出すだけであるため
に作業性が向上する。このとき、支持腕保持用貫通穴20
の形状は円形等の他の形状でも勿論よい。また、原稿マ
ット６にのみ支持腕保持用貫通穴20を設けるようにして
いるが、弾性押圧部材５も原稿マット６と同サイズにな
るように形成して弾性押圧部材５にも支持腕保持用貫通
穴20を設けるようにしてもよいし、また、弾性押圧部材
５のみを延長して形成して弾性押圧部材にのみ支持腕保
持用貫通穴20を設けるようにしてもよい。Thus, as a mechanism for attaching and detaching the document pressing member 7 to and from the document cover 4, two of the four conventional locking holes are used.
Since only the through hole 20 for holding the supporting arm is provided in the document mat 6 instead of the 12 and the two screws 9, the configuration is further simplified. The original cover 4 of the original pressing member 7
The work of attaching / detaching to / from the document holder is merely a loose insertion / removal of the support arm holding through-hole 20 of the document mat 6 from the rotation support arm 10 instead of locking of the document holding member 7 at two places as in the conventional case. Workability is improved. At this time, the support arm holding through hole 20
May of course be other shapes such as a circle. Further, the support arm holding through-hole 20 is provided only in the original mat 6, but the elastic pressing member 5 is also formed to have the same size as the original mat 6, and the elastic pressing member 5 is also provided with the supporting arm holding hole. The through hole 20 may be provided, or only the elastic pressing member 5 may be formed to be extended, and the supporting arm holding through hole 20 may be provided only in the elastic pressing member.
さらに、原稿カバー４の装置本体への装着について
は、原稿押え部材７を原稿カバー４へ装着した状態のま
まで行うことができる。Further, the original cover 4 can be attached to the apparatus main body while the original pressing member 7 is attached to the original cover 4.
ここで、第１図に従って、装置本体１に装着した原稿
カバー４により原稿Ｐの押圧作用について説明する。コ
ンタクトガラス２上の原稿Ｐを押圧するために原稿カバ
ー４を二点鎖線で示すように、徐々に押し下げていく。
すると、矢印Ｃで示すように、原稿押え部材７は原稿カ
バー４に確実に固定されているわけではなく原稿マット
６の一端部が回動支持腕10に緩挿されて自由な状態を取
っているために、原稿押え部材７は回動支持腕10側から
徐々に屈曲して原稿Ｐに接触・押圧していき（第１図の
点線参照）、原稿カバー４が完全に閉止した状態におい
ては原稿Ｐの全面を押圧している。このことにより、従
来のように、原稿Ｐを押圧するために原稿カバー４を押
し下げた際に発生する風力のために原稿Ｐが所定の位置
からずれるということが未然に防止されるという効果が
ある。Here, the pressing action of the document P by the document cover 4 mounted on the apparatus main body 1 will be described with reference to FIG. In order to press the document P on the contact glass 2, the document cover 4 is gradually pushed down as shown by a two-dot chain line.
Then, as shown by an arrow C, the document pressing member 7 is not securely fixed to the document cover 4, and one end of the document mat 6 is loosely inserted into the rotation support arm 10 to take a free state. Therefore, the document pressing member 7 is gradually bent from the side of the rotation support arm 10 and contacts and presses the document P (see the dotted line in FIG. 1). When the document cover 4 is completely closed, The entire surface of the document P is pressed. As a result, there is an effect that the document P is prevented from being displaced from a predetermined position due to wind force generated when the document cover 4 is pressed down to press the document P as in the related art. .
この効果は、従来のように原稿押え部材７を原稿カバ
ー４に固定するという構成からは得られることができな
いものであり、カバー４の一端部を回動支持腕10に緩挿
したことによる特有の効果である。This effect cannot be obtained from the conventional configuration in which the document pressing member 7 is fixed to the document cover 4, and is unique due to the loose insertion of one end of the cover 4 into the rotation support arm 10. The effect is.
次いで、第２の発明の原稿カバーの一実施例について
第３図乃至第４図に基づいて説明する。Next, an embodiment of the document cover of the second invention will be described with reference to FIGS. 3 and 4. FIG.
第３図は第２の発明の原稿カバーの第１の実施例を示
す断面図、第４図は第２の発明の原稿カバーの第１の実
施例を示す斜視図である。FIG. 3 is a cross-sectional view showing a first embodiment of the document cover of the second invention, and FIG. 4 is a perspective view showing the first embodiment of the document cover of the second invention.
なお、図中において前記従来の原稿カバーおよび第１
の発明の原稿カバーと同一の構成については同符号で示
し、詳述を避ける。In the drawing, the conventional document cover and the first
The same components as those of the document cover according to the invention are denoted by the same reference numerals and will not be described in detail.
この第２の発明の原稿カバーは、端的に説明すると、
第１の発明の原稿カバーにおいて原稿押え部材７は回動
支持腕10に緩挿された状態で保持されているために、原
稿カバー４の装置本体１への装着時に原稿カバー４から
原稿押え部材７が取り外れるおそれがある点を考慮して
なされたものであり、回動支持腕10を前記第１の発明の
手段として使用すると同時に、原稿カバー４装着時の原
稿押え部材７の抜け止め手段として利用した点に特徴が
ある。The document cover of the second invention can be simply described as follows.
In the document cover of the first invention, the document pressing member 7 is held in a state of being loosely inserted into the rotation support arm 10, so that when the document cover 4 is mounted on the apparatus main body 1, the document pressing member 7 is moved from the document cover 4. The rotation supporting arm 10 is used as the means of the first invention, and at the same time, the means for preventing the document pressing member 7 from being detached when the document cover 4 is mounted. The feature is that it is used as
すなわち、本実施例においては、原稿マット６はその
一端側が、第１の状態Ａに位置する回動支持腕10の自由
端部に達するように従来よりも延長して形成されてお
り、その端部の４箇所には回動支持腕10の断面形状と略
等しくなるような矩形状の支持腕保持用貫通穴20が設け
られている。That is, in the present embodiment, the document mat 6 is formed to be longer than before so that one end of the document mat 6 reaches the free end of the rotation support arm 10 located in the first state A. At four positions of the portion, there are provided through holes 20 for holding the support arms in a rectangular shape that is substantially equal to the cross-sectional shape of the rotation support arm 10.
上記の構成に基づく原稿カバー４によれば、原稿押え
部材７の原稿カバー４への取り付けは、まず、第４図に
一点鎖線で示すように従来と同様に、原稿押え部材７の
カバー本体係止孔12をビス止めにより原稿カバー本体８
に係止し、次いで、第４図に二点鎖線で示すように原稿
マット６の支持腕保持用貫通穴20を第１の状態Ａを取る
回動支持腕10に緩挿することにより行われる。なお、原
稿押え部材７の原稿カバー４からの取り外しは、上記と
逆の手順を行えばよい。According to the original cover 4 based on the above-described configuration, the attachment of the original pressing member 7 to the original cover 4 is performed as in the prior art, as shown by a dashed line in FIG. Document cover body 8 with stop holes 12 screwed
Then, as shown by a two-dot chain line in FIG. 4, the support arm holding through-hole 20 of the document mat 6 is loosely inserted into the rotary support arm 10 in the first state A. . The removal of the document pressing member 7 from the document cover 4 may be performed in the reverse order.
次いで、原稿カバー４を装置本体１に装着するときに
は、回動支持腕10が第２の状態Ｂをとるように回動支持
腕10を矢符で示すように倒れる方向に回転させる。この
とき、原稿マット６は可撓性を有するための回動支持腕
10が第２の状態Ｂを取りうるように回動支持腕10と共に
屈曲する。このとき、原稿マット６は、第１の状態Ａを
取る回動支持腕10に着脱可能であると同時に、第２の状
態Ｂを取る回動支持腕10に着脱できないような長さに形
成されている。Next, when the document cover 4 is mounted on the apparatus main body 1, the rotation support arm 10 is rotated in the direction shown by the arrow so that the rotation support arm 10 assumes the second state B. At this time, the original mat 6 has a rotation supporting arm for flexibility.
The arm 10 is bent together with the rotation support arm 10 so that the arm 10 can assume the second state B. At this time, the document mat 6 is formed to have such a length that it can be attached to and detached from the rotation support arm 10 in the first state A, and cannot be attached to and detached from the rotation support arm 10 in the second state B. ing.
この状態で原稿カバー４は装置本体に装着されるわけ
であるが、このとき回動支持腕10が原稿マット６の抜け
止めとして作用するために、原稿押え部材７は原稿カバ
ー４から取り外れることが未然に防止される。In this state, the document cover 4 is attached to the apparatus main body. At this time, since the rotation support arm 10 acts as a stopper for the document mat 6, the document pressing member 7 must be removed from the document cover 4. Is prevented beforehand.
また、本実施例の原稿カバー４によれば、原稿カバー
４を装置本体１に装着した状態（回動支持腕10の第２状
態Ｂ）においては、原稿マット６が屈曲した状態で回動
支持腕10に保持されているために、原稿カバー４を閉じ
たときに原稿Ｐに対する押圧力を前記第１の発明の実施
例に比べてより大きくすることができる。また、原稿カ
バー４が閉止した状態（回動支持腕10の第１の状態Ａ）
においては、前記第１の発明のように原稿マット６は屈
曲せず、原稿Ｐに対して平面になっているために原稿Ｐ
の全面に対して押圧力をより均一に作用させることが可
能となる。Further, according to the document cover 4 of the present embodiment, when the document cover 4 is mounted on the apparatus main body 1 (the second state B of the rotation support arm 10), the document mat 6 is rotated and supported in a bent state. Since the document 10 is held by the arm 10, the pressing force on the document P when the document cover 4 is closed can be made larger than that in the embodiment of the first invention. Also, the state in which the document cover 4 is closed (the first state A of the rotation support arm 10).
In the case of the first embodiment, the original mat 6 does not bend and is flat with respect to the original P, so that the original P
The pressing force can be applied more uniformly to the entire surface of the substrate.
引き続いて、第２の発明の原稿カバーの第２の実施例
について第５図乃至第６図に基づいて第１の実施例と異
なる点についてのみ説明する。Subsequently, the second embodiment of the document cover according to the second invention will be described with reference to FIGS. 5 and 6 only for differences from the first embodiment.
第５図は第２の発明の原稿カバーの第２の実施例を示
す斜視図、第６図は第２の発明の原稿カバーの第２の実
施例を示す断面図であり、第６図（ａ）は原稿カバーが
閉止した状態を示す断面図、第６図（ｂ）は原稿カバー
が開放した状態を示す断面図である。FIG. 5 is a perspective view showing a second embodiment of the document cover of the second invention, and FIG. 6 is a cross-sectional view showing the second embodiment of the document cover of the second invention. FIG. 6A is a cross-sectional view showing a state where the document cover is closed, and FIG. 6B is a cross-sectional view showing a state where the document cover is opened.
第２の実施例の原稿カバーが、第１の実施例の原稿カ
バー４と異なる第１の点は、原稿マット６に支持腕保持
用貫通穴20を設けるのではなく、原稿押え部材７とは別
体の弾性を有する押圧片13に支持腕保持用貫通穴20を設
け、これを原稿押え部材７の弾性押圧部材５の一端側に
取りつけるようにした点である。このことにより、原稿
押え部材７の原稿Ｐに対する押圧力をより高めることが
可能となり、原稿Ｐに対する押圧力の伝達がさらに良好
となる。The first difference between the document cover of the second embodiment and the document cover 4 of the first embodiment is that the document mat 6 is not provided with the through-hole 20 for holding the support arm, but is different from the document pressing member 7. A different point is that a through-hole 20 for holding the support arm is provided in the separate elastic pressing piece 13 and is attached to one end side of the elastic pressing member 5 of the document pressing member 7. This makes it possible to further increase the pressing force of the document pressing member 7 on the document P, and the transmission of the pressing force on the document P is further improved.
また、第２の実施例の原稿カバーが、第１の実施例の
原稿カバー４と異なる第２の点は、原稿押え部材７の他
端側に一対の摺動ピン14を取りつけると共に、この摺動
ピン14を摺動可能に案内する案内溝16を有する案内部15
を原稿カバー本体８に設けることにより、原稿押え部材
７を原稿カバー４の一端側と他端側に移動可能に構成し
た点である。このことにより、第６図に示すように、原
稿カバー４を閉じるときに、原稿押え部材７はその原稿
押圧力の伝達方向に移動可能であるために、原稿Ｐを押
圧力の方向に確実に押圧することが可能となり、さらに
原稿押え部材７が屈曲した状態で原稿カバー４が閉止さ
れるというおそれが未然に防止される。The second difference between the document cover of the second embodiment and the document cover 4 of the first embodiment is that a pair of sliding pins 14 are attached to the other end of the document pressing member 7 and this slide is provided. A guide portion 15 having a guide groove 16 for slidably guiding the moving pin 14
Is provided on the document cover body 8 so that the document pressing member 7 can be moved to one end and the other end of the document cover 4. As a result, as shown in FIG. 6, when the document cover 4 is closed, the document pressing member 7 can move in the direction of transmitting the document pressing force, so that the document P can be reliably moved in the direction of the pressing force. Pressing can be performed, and the possibility that the document cover 4 is closed in a state where the document pressing member 7 is bent can be prevented beforehand.
（効果） 第１の発明の原稿カバーによれば、回動支持腕を原稿
カバーの装置本体への着脱手段として使用すると同時
に、原稿押え部材の支持腕保持用貫通穴を緩挿した状態
で保持する保持手段として利用するように構成している
ために、回動支持腕を有する形態の原稿カバーの特長を
遺憾なく発揮できると共に原稿押え部材の着脱をより容
易且つ迅速にし原稿押え部材の原稿カバーへの取り付け
部品を削減することが可能となる。(Effect) According to the document cover of the first invention, the rotating support arm is used as a means for attaching and detaching the document cover to and from the apparatus main body, and at the same time, the support arm holding through hole of the document pressing member is loosely inserted and held. The original cover having the rotation supporting arm can be fully utilized, and the attaching and detaching of the original pressing member can be more easily and quickly performed, so that the original cover of the original pressing member can be used. It is possible to reduce the number of parts to be attached to the vehicle.
さらに、第２の発明の原稿カバーによれば、回動支持
腕を上記第１の発明として使用すると同時に、原稿押え
部材の抜け止め手段として利用するように構成している
ために、上記した第１の発明の効果に加えて装着時の原
稿カバーからの原稿押え部材の取り外れを未然に防止す
ることが可能となる。Further, according to the document cover of the second invention, the rotation supporting arm is used as the first invention and at the same time, is used as a retaining means for the document pressing member. In addition to the effects of the first aspect, it is possible to prevent the document pressing member from being detached from the document cover at the time of mounting.
なお、第１の発明および第２の発明の原稿カバーにお
いては、原稿押え部材は回動支持腕に緩挿されるように
構成されることにより、原稿カバーを閉じるときに原稿
押え部材が原稿に対して徐々に接触し押圧することが可
能となるために、原稿カバーを閉じるときに原稿カバー
の閉じる動作により生じる風力による原稿が位置ずれす
ることを未然に防止できるという顕著な効果を有する。In the document covers according to the first and second inventions, the document pressing member is configured to be loosely inserted into the rotation support arm, so that the document pressing member holds the document when the document cover is closed. This makes it possible to gradually contact and press, so that there is a remarkable effect that it is possible to prevent the original from being displaced due to the wind force generated by the closing operation of the original cover when the original cover is closed.
第１図は第１の発明の原稿カバーの一実施例を示す断面
図、第２図は第１の発明の原稿カバーの一実施例を示す
斜視図、第３図は第２の発明の原稿カバーの第１の実施
例を示す断面図、第４図は第２の発明の原稿カバーの第
１の実施例を示す斜視図、第５図は第２の発明の原稿カ
バーの第２の実施例を示す斜視図、第６図は第２の発明
の原稿カバーの第２の実施例を示す断面図、第７図は従
来の原稿カバーを示す断面図、第８図は従来の原稿カバ
ーを示す斜視図である。 １……装置本体、４……原稿カバー、７……原稿押え部
材、８……原稿カバー本体、10……回動支持腕、12……
係止孔、20……支持腕保持用貫通穴FIG. 1 is a sectional view showing an embodiment of the original cover of the first invention, FIG. 2 is a perspective view showing an embodiment of the original cover of the first invention, and FIG. 3 is an original of the second invention. FIG. 4 is a cross-sectional view showing a first embodiment of the cover, FIG. 4 is a perspective view showing a first embodiment of the document cover of the second invention, and FIG. 5 is a second embodiment of the document cover of the second invention. FIG. 6 is a perspective view showing an example, FIG. 6 is a sectional view showing a second embodiment of the original cover of the second invention, FIG. 7 is a sectional view showing a conventional original cover, and FIG. FIG. DESCRIPTION OF SYMBOLS 1 ... body, 4 ... original cover, 7 ... original holding member, 8 ... original cover body, 10 ... rotation support arm, 12 ...
Locking holes, 20: Through holes for holding the support arm
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) G03B 27/62──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 6 , DB name) G03B 27/62
Claims (5)
え部材と、この原稿押え部材を着脱可能に取り付けるた
めの原稿カバー本体と、この原稿カバー本体の一端部に
回動可能に設けられると共に、その自由端部が装置本体
に着脱可能に装着される回動支持腕とを有する原稿カバ
ーであって、 前記原稿押え部材は、原稿カバー本体に着脱可能に取り
付けられるカバー本体係止部と、回動支持腕に着脱可能
に緩挿される支持腕保持用貫通穴とを備えることを特徴
とする原稿カバー。An original holding member having flexibility and for pressing an original, an original cover body for detachably attaching the original pressing member, and a rotatable one end of the original cover body. A document cover having a rotation support arm detachably attached to the apparatus main body, the document holding member being detachably attached to the document cover body. A document cover, comprising: a support portion; and a support arm holding through hole that is removably loosely inserted into the rotation support arm.
え部材と、この原稿押え部材を着脱可能に取り付けるた
めの原稿カバー本体と、この原稿カバー本体の一端部に
回動可能に設けられると共に、その自由端部が装置本体
に着脱可能に装着される回動支持腕とを有する原稿カバ
ーであって、 前記原稿押え部材は、原稿カバー本体に着脱可能に取り
付けられるカバー本体係止部と、回動支持腕に着脱可能
に緩挿される支持腕保持用貫通穴とを備え、 回動支持腕が装置本体に着脱されるときに、回動支持腕
は原稿押え部材の支持腕保持用貫通穴が回動支持腕から
取り外れることを防止するための抜け止め手段となるよ
うに構成したことを特徴とする原稿カバー。2. A document holding member having flexibility and for pressing a document, a document cover body for detachably attaching the document holding member, and a rotatable one end of the document cover body. A document cover having a rotation support arm detachably attached to the apparatus main body, the document holding member being detachably attached to the document cover body. And a support arm holding through hole that is removably loosely inserted into the rotation support arm. When the rotation support arm is attached to and detached from the apparatus main body, the rotation support arm holds the support arm of the document pressing member. A document cover configured to serve as a retaining means for preventing the through hole for use from being detached from the rotation support arm.
部に対し所定の距離に位置する第１の状態と、この所定
の距離よりも遠い位置に位置する第２の状態とを取りう
るように回動可能に設けられることを特徴とする請求項
（１）および（２）記載の原稿カバー。3. The rotation support arm has a first state located at a predetermined distance from the other end of the document cover main body and a second state located at a position farther than the predetermined distance. 3. The document cover according to claim 1, wherein the document cover is rotatably provided so as to be removable.
装置本体に着脱するようにしたことを特徴とする請求項
（１）〜（３）記載の原稿カバー。4. The document cover according to claim 1, wherein said rotation supporting arm is detachably attached to the apparatus main body when said rotation supporting arm takes a second state.
原稿カバーが閉止状態を取り、前記回動支持腕が第２の
状態を取るときに原稿カバーが開放状態を取るように構
成したことを特徴とする請求項（１）〜（４）記載の原
稿カバー。5. The document cover is closed when the rotation support arm is in a first state, and is open when the rotation support arm is in a second state. The document cover according to any one of claims 1 to 4, wherein the document cover is configured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34111889A JP2787988B2 (en) | 1989-12-29 | 1989-12-29 | Document cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34111889A JP2787988B2 (en) | 1989-12-29 | 1989-12-29 | Document cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03202836A JPH03202836A (en) | 1991-09-04 |
| JP2787988B2 true JP2787988B2 (en) | 1998-08-20 |
Family
ID=18343423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34111889A Expired - Fee Related JP2787988B2 (en) | 1989-12-29 | 1989-12-29 | Document cover |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2787988B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007034180A (en) * | 2005-07-29 | 2007-02-08 | Seiko Epson Corp | Image reader |
-
1989
- 1989-12-29 JP JP34111889A patent/JP2787988B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03202836A (en) | 1991-09-04 |
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| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19980519 |
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| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090605 Year of fee payment: 11 |
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