JPH07191419A - Original holding device for image forming device - Google Patents
Original holding device for image forming deviceInfo
- Publication number
- JPH07191419A JPH07191419A JP5330906A JP33090693A JPH07191419A JP H07191419 A JPH07191419 A JP H07191419A JP 5330906 A JP5330906 A JP 5330906A JP 33090693 A JP33090693 A JP 33090693A JP H07191419 A JPH07191419 A JP H07191419A
- Authority
- JP
- Japan
- Prior art keywords
- opening
- closing
- sheet
- document
- pressure plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Holders For Sensitive Materials And Originals (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、複写機、プリンタ、フ
ァクシミリ等の画像形成装置の原稿を光学的に読取る読
取り部に適用される画像形成装置の原稿保持装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document holding device of an image forming apparatus applied to a reading section for optically reading a document of an image forming apparatus such as a copying machine, a printer and a facsimile.
【0002】[0002]
【従来の技術】従来、周知の画像形成装置における原稿
読取り装置は、例えば複写機において適用されているよ
うに、装置本体の頂部に配置されたガラス板面に原稿を
載置し、これを背面から押圧板によって押圧し保持する
ように原稿保持装置が構成されていた。2. Description of the Related Art Conventionally, a document reading apparatus in a well-known image forming apparatus places a document on a glass plate surface arranged at the top of the apparatus body and then mounts it on the back side, as is applied to a copying machine. The document holding device is configured to be pressed and held by the pressing plate.
【0003】[0003]
【発明が解決しようとする課題】ところが、装置本体の
頂部のガラス板面に載置された原稿を押圧し、保持する
開閉自在な原稿保持装置は、読取り可能な最大サイズの
原稿よりも広い面積を持つものであった。このために、
作業者は小サイズの原稿をセットする際にも、原稿保持
装置の全体を開口しなくてはならない。However, the openable document holding device for pressing and holding the document placed on the glass plate surface on the top of the main body of the apparatus has a larger area than the maximum readable document. Was to have. For this,
The operator must open the entire document holding device even when setting a small-sized document.
【0004】すなわち、読取り可能な原稿サイズの最大
がA3 の複写機を使用の場合にも、書類の見易さ、ファ
イリングのし易さ等からA3 よりもA4 B5 等の小サイ
ズ原稿の使用頻度が多いにも拘らず、A3 サイズ用の大
型原稿保持装置を開口して、原稿をセットしなければな
らなかった。That is, even when a copying machine having a maximum readable document size of A3 is used, the frequency of use of small size documents such as A4 B5 rather than A3 is easy to read and filing. Despite the large number of documents, I had to open the large document holder for A3 size and set the document.
【0005】また、原稿保持装置は装置本体の頂部のほ
とんどの面積を占有している。そのために、複数の原稿
を読み取る際に、使用していない原稿を原稿保持手段に
載置する場合が多い。Further, the document holding device occupies most of the area of the top of the main body of the device. Therefore, when reading a plurality of originals, unused originals are often placed on the original holding means.
【0006】しかし、誤って原稿を置いたままで原稿保
持手段を開口してしまうと、原稿を装置本体の裏等へ落
し、大切な原稿を損傷したり、回収のために本体を移動
すれば多大の手数を要することがある。However, if the document holding means is opened with the document placed by mistake, the document may be dropped to the back of the main body of the apparatus, damaging an important document or moving the main body for recovery. May be necessary.
【0007】本発明の目的は、上記問題点を改善するた
めに、原稿サイズに適応した開閉が可能となり、作業性
が向上し、その取扱いが容易な画像形成装置の原稿保持
装置を提供することにある。SUMMARY OF THE INVENTION It is an object of the present invention to provide a document holding device for an image forming apparatus, which is capable of opening and closing in accordance with the size of a document, improves workability, and is easy to handle in order to solve the above problems. It is in.
【0008】[0008]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、載置された原稿を押圧するに押圧部材を
有し、前記押圧部材によって前記原稿を保持する画像形
成装置の原稿保持装置において、前記押圧部材が原稿サ
イズに応じて少なくとも2方向の開閉を可能とする異な
る支点を有し、開閉による平面上の開閉領域が異なり、
かつ一体的に構成されたことを特徴とする画像形成装置
の原稿保持装置である。In order to achieve the above object, the present invention has a pressing member for pressing a placed original, and an original of an image forming apparatus for holding the original by the pressing member. In the holding device, the pressing member has different fulcrums that allow opening and closing in at least two directions depending on the size of the original, and the opening and closing area on the plane due to opening and closing is different
In addition, the document holding device of the image forming apparatus is characterized by being integrally configured.
【0009】本発明の一実施態様によれば、押圧部材の
少なくとも一端に可撓性部材を設けることを特徴とす
る。According to one embodiment of the present invention, a flexible member is provided on at least one end of the pressing member.
【0010】本発明の他の実施態様によれば、可撓性部
材は、バネ材で、押圧部材の開閉方向をほぼ直角とする
ことを特徴とする。According to another embodiment of the present invention, the flexible member is a spring member, and the opening / closing direction of the pressing member is substantially perpendicular.
【0011】[0011]
【作用】本発明の画像形成装置の原稿保持装置を採用す
ることにより、押圧部材が原稿サイズに応じて少なくと
も2方向の開閉を可能とする異なる支点を有し、開閉に
よる平面上の開閉領域が異なり、かつ一体的に構成さ
れ、押圧部材の少なくとも一端に可撓性部材を設け、可
撓性部材は、バネ材で、押圧部材の開閉方向をほぼ直角
とすることによって、原稿サイズに適応した原稿保持手
段の開閉が可能となり、作業性が向上し、その取扱いが
容易である。By adopting the document holding device of the image forming apparatus of the present invention, the pressing member has different fulcrums that allow opening and closing in at least two directions depending on the size of the document, and the opening and closing area on the plane by opening and closing. Differently and integrally configured, a flexible member is provided on at least one end of the pressing member, and the flexible member is a spring material, and the opening and closing direction of the pressing member is made substantially right angle to adapt to the document size. The document holding means can be opened and closed, workability is improved, and its handling is easy.
【0012】[0012]
【実施例】以下、本発明の実施例を図面に基づいて、詳
細に説明する。Embodiments of the present invention will now be described in detail with reference to the drawings.
【0013】図1は本発明の一実施例の斜視図、図2は
図1の断面図を示し、同図(A)は閉鎖状態、同図
(B)は一部開放状態である。図1および図2におい
て、画像形成装置の原稿保持装置30は、主として大型
圧板部1と、小型圧板部2および押圧部材である白色シ
ート3とから一体的に構成されている。FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is a sectional view of FIG. 1, in which (A) is a closed state and (B) is a partially open state. 1 and 2, a document holding device 30 of the image forming apparatus is mainly configured integrally with a large pressure plate portion 1, a small pressure plate portion 2 and a white sheet 3 which is a pressing member.
【0014】大型圧板部1は、装置本体の頂部に配置さ
れた原稿載置用ガラス板18を覆うに充分な大きさを有
し、かつヒンジユニット15が設けられガラス板18の
表面を開閉自在とする。また、小型圧板部2は、一端に
設けられた軸4によって回動自在に軸支され、かつ軸4
には複数個のコロ5が回動自在に支持されている。The large pressure plate portion 1 is large enough to cover the original placing glass plate 18 arranged on the top of the apparatus main body, and a hinge unit 15 is provided to freely open and close the surface of the glass plate 18. And Further, the small pressure plate portion 2 is rotatably supported by a shaft 4 provided at one end, and
A plurality of rollers 5 are rotatably supported in the.
【0015】なお、大型圧板部1に支持された軸6に
は、複数個のコロ7が回動自在に支持されている。白色
シート3の一端3Aには、このシート3を均一に引張る
ために、補強板11を介して、複数の引張りバネ8の一
端が取付けられ、他端が大型圧板部1のバネ掛け部1A
に掛けられている。A plurality of rollers 7 are rotatably supported on the shaft 6 supported by the large pressure plate 1. One end of a plurality of tension springs 8 is attached to one end 3A of the white sheet 3 via a reinforcing plate 11 in order to pull the sheet 3 uniformly, and the other end is a spring hook portion 1A of the large pressure plate portion 1.
Is hung on.
【0016】白色シート3は、コロ7およびコロ5を経
由して、他端3Bが小型圧板部2のシート固定部2A
に、マジックテープまたは両面テープ(図示省略)で固
定されている。The white sheet 3 passes through the rollers 7 and 5 and has the other end 3B of the sheet fixing portion 2A of the small pressure plate portion 2.
It is fixed with Velcro or double-sided tape (not shown).
【0017】作業者は、大型圧板部1の把手部1Cに手
を掛けて、図1において手前から上後方へ開口自在であ
る。この際、小型圧板部2の把手部2Bは、大型圧板部
1の枠1Bと重なっているために、小型圧板部2が下方
へ落込むことはない。また、小型圧板部2のみを開口す
るには、作業者は小型圧板部2の把手部2Bに手を掛け
て、左側から右上方向へ開口することができる(図2
(B))。An operator can hold the handle portion 1C of the large pressure plate portion 1 and open it from the front side to the upper rear side in FIG. At this time, since the grip portion 2B of the small pressure plate portion 2 overlaps the frame 1B of the large pressure plate portion 1, the small pressure plate portion 2 does not drop downward. Further, in order to open only the small pressure plate portion 2, the operator can hold the grip portion 2B of the small pressure plate portion 2 and open from the left side to the upper right direction (FIG. 2).
(B)).
【0018】なお、バネ8の引張力は白色シート3のた
るみを取るための適度な力であるから、図2(B)の状
態になるも、小型圧板部2を閉鎖しようとはしないで開
放状態を維持することができる。Since the pulling force of the spring 8 is an appropriate force for removing the slack of the white sheet 3, even if the state shown in FIG. The state can be maintained.
【0019】従って、本実施例によれば、白色シート3
は、大型圧板部1により手前から上後方へ開閉自在とす
るヒンジユニット15と、小型圧板部2により左側から
右上方向へ開閉自在とする軸4との2個の異なる支点を
有することにより、白色シート3の開閉方向がほぼ直角
となり、開閉によるガラス板18の面上の開閉領域を、
原稿サイズに応じて変えることができる。Therefore, according to this embodiment, the white sheet 3
Has two different fulcrums, that is, a hinge unit 15 that can be opened and closed from the front by the large pressure plate portion 1 and an axis 4 that can be opened and closed by the small pressure plate portion 2 from the left side to the upper right direction. The opening and closing direction of the seat 3 becomes substantially right angle, and the opening and closing area on the surface of the glass plate 18 by opening and closing,
It can be changed according to the document size.
【0020】さらに、大型圧板部1には突起部19が設
けられ、載置される原稿20等のシート材を保有するこ
とが可能である。Further, the large pressure plate portion 1 is provided with a projection portion 19 so that a sheet material such as a document 20 to be placed can be held.
【0021】図3は本発明の他の実施例の断面図を示
し、同図(A)は全閉鎖状態、同図(B)は一部開放状
態、同図(C)は半開放状態を示す。図において、原稿
保持装置40は、大型圧板部12と、2個の小型圧板部
13,14および押圧部材である白色シート3とから一
体的に構成されている。小型圧板部13,14および大
型圧板部12との間にそれぞれ軸9,17が設けられ、
さらにコロ10,16が回動自在に支持されている。3A and 3B are sectional views showing another embodiment of the present invention. FIG. 3A shows a fully closed state, FIG. 3B shows a partially opened state, and FIG. 3C shows a semi-opened state. Show. In the figure, the document holding device 40 is integrally configured from a large pressure plate portion 12, two small pressure plate portions 13 and 14 and a white sheet 3 which is a pressing member. Shafts 9 and 17 are provided between the small pressure plate portions 13 and 14 and the large pressure plate portion 12, respectively,
Further, rollers 10 and 16 are rotatably supported.
【0022】従って、図3(B),(C)に示すよう
に、小型圧板部13,14は複数、本実施例では2段階
の左側から右方向への開閉が可能で、かつ図1と同様に
ヒンジユニット15による大型圧板部12の手前から上
後方への開閉が可能であるから、白色シート3の開閉方
向がほぼ直角で、複数の開閉による平面上の開閉領域を
原稿サイズに応じて変化させることができる。Therefore, as shown in FIGS. 3 (B) and 3 (C), a plurality of small pressure plate portions 13 and 14 can be opened and closed from the left side to the right side in two steps in this embodiment, and as shown in FIG. Similarly, since the large pressure plate portion 12 can be opened and closed from the front side to the upper rear side by the hinge unit 15, the opening and closing direction of the white sheet 3 is substantially a right angle, and the opening and closing area on the plane by a plurality of opening and closing operations is made according to the document size. Can be changed.
【0023】さらに、大型圧板部12には突起部19が
設けられ、載置される原稿20等のシート材を保有する
ことが可能である。Further, the large pressure plate portion 12 is provided with a projection portion 19 so that a sheet material such as a document 20 to be placed can be held.
【0024】図4は本発明のさらに他の実施例の斜視
図、図5は図4の要部拡大図を示す。図4および図5に
おいて、原稿保持装置50は、主として大型圧板部22
と、小型圧板部23および図示省略の押圧部材である白
色シート3とから一体的に構成されている。小型圧板部
22の一端が大型圧板部の一端に軸4にて回転自在に設
けられ、小型圧板部23が把手部23Aを持って軸4に
よって左側から右方向へ開口てきる。また、大型圧板部
22の把手部22Aを持って大型圧板部22と共に,小
型圧板部23をヒンジユニット24によって、図の手前
から上後方へ全体的に開口することができる。FIG. 4 is a perspective view of still another embodiment of the present invention, and FIG. 5 is an enlarged view of a main part of FIG. In FIG. 4 and FIG. 5, the document holding device 50 mainly includes the large pressure plate portion 22.
And a small pressure plate portion 23 and a white sheet 3 which is a pressing member (not shown). One end of the small pressure plate portion 22 is rotatably provided on one end of the large pressure plate portion by the shaft 4, and the small pressure plate portion 23 has a grip portion 23A and opens from the left side to the right direction by the shaft 4. Further, by holding the grip portion 22A of the large pressure plate portion 22, together with the large pressure plate portion 22, the small pressure plate portion 23 can be entirely opened from the front side to the upper rear side in the drawing by the hinge unit 24.
【0025】この際、小型圧板部23はストッパ23B
により、下方向へ落ちるのが防止される。なお、大型圧
板部22には突起部25が設けられ、原稿等のシート材
を保有することが可能である。At this time, the small pressure plate portion 23 is provided with the stopper 23B.
This prevents falling down. The large pressure plate portion 22 is provided with a protrusion 25, so that a sheet material such as a document can be held.
【0026】なお、本発明は、上記実施例に限定される
ものではなく、適宜の設計的変更を行うことにより、他
の態様においても実施することができる。The present invention is not limited to the above embodiment, but can be implemented in other modes by making appropriate design changes.
【0027】[0027]
【発明の効果】上述の説明ですでに明らかなように、本
発明の画像形成装置の原稿保持装置は、押圧部材が少な
くとも2方向の開閉を可能とする異なる支点を有し、原
稿サイズに応じて開閉による平面上の開閉領域が選択さ
れ、かつ一体的に構成され、押圧部材の少なくとも一端
に可撓性部材であるバネ材を設け、押圧部材の開閉方向
をほぼ直角とすることによって、従来技術の問題点が有
効に解決され、原稿サイズに適応した原稿保持手段の開
閉が可能となり、作業性が向上し、その取扱いが容易
で、開口されていない部分には原稿を載置できる等の有
効利用が可能である。As is apparent from the above description, in the document holding device of the image forming apparatus of the present invention, the pressing member has different fulcrums that allow opening and closing in at least two directions, and the document holding device can be opened and closed depending on the document size. The opening and closing area on the plane by opening and closing is selected, and is integrally configured, and at least one end of the pressing member is provided with a spring member that is a flexible member, and the opening and closing direction of the pressing member is substantially right angle. The technical problems are effectively solved, the document holding means adapted to the document size can be opened and closed, the workability is improved, the handling is easy, and the document can be placed on the unopened part. It can be effectively used.
【図1】本発明の一実施例の斜視図である。FIG. 1 is a perspective view of an embodiment of the present invention.
【図2】図1の断面図を示し、同図(A)は閉鎖状態、
同図(B)は一部開放状態である。FIG. 2 is a cross-sectional view of FIG. 1, in which FIG.
FIG. 3B shows a partially opened state.
【図3】図3は本発明の他の実施例の断面図を示し、同
図(A)は全閉鎖状態、同図(B)は一部開放状態、同
図(C)は半開放状態を示す。3A and 3B are cross-sectional views of another embodiment of the present invention, where FIG. 3A is a fully closed state, FIG. 3B is a partially opened state, and FIG. 3C is a partially opened state. Indicates.
【図4】本発明のさらに他の実施例の斜視図である。FIG. 4 is a perspective view of yet another embodiment of the present invention.
【図5】図4の要部拡大図である。FIG. 5 is an enlarged view of a main part of FIG.
1,12,22 大型圧板部 2,13,14,23 小型圧板部 3 白色シート 8 引張りバネ 15,24 ヒンジユニット 30,40,50 原稿保持装置 1,12,22 Large pressure plate part 2,13,14,23 Small pressure plate part 3 White sheet 8 Tension spring 15,24 Hinge unit 30,40,50 Document holding device
Claims (3)
有し、前記押圧部材によって前記原稿を保持する画像形
成装置の原稿保持装置において、前記押圧部材が原稿サ
イズに応じて少なくとも2方向の開閉を可能とする異な
る支点を有し、開閉による平面上の開閉領域が異なり、
かつ一体的に構成されたことを特徴とする画像形成装置
の原稿保持装置。1. A document holding device of an image forming apparatus, comprising a pressing member for pressing a placed document, and holding the document by the pressing member, wherein the pressing member has at least two directions depending on a document size. It has different fulcrums that enable the opening and closing of the
A document holding device for an image forming apparatus, which is integrally configured.
なくとも一端に可撓性部材を設けることを特徴とする画
像形成装置の原稿保持装置。2. The document holding device for an image forming apparatus according to claim 1, wherein a flexible member is provided on at least one end of the pressing member.
は、バネ材で、押圧部材の開閉方向をほぼ直角とするこ
とを特徴とする画像形成装置の原稿保持装置。3. The document holding apparatus for an image forming apparatus according to claim 2, wherein the flexible member is a spring member, and the opening / closing direction of the pressing member is substantially a right angle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5330906A JPH07191419A (en) | 1993-12-27 | 1993-12-27 | Original holding device for image forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5330906A JPH07191419A (en) | 1993-12-27 | 1993-12-27 | Original holding device for image forming device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH07191419A true JPH07191419A (en) | 1995-07-28 |
Family
ID=18237813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5330906A Pending JPH07191419A (en) | 1993-12-27 | 1993-12-27 | Original holding device for image forming device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH07191419A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6697600B2 (en) | 2001-05-25 | 2004-02-24 | Ricoh Company, Ltd. | Cover plate, image scanning device and image forming apparatus |
-
1993
- 1993-12-27 JP JP5330906A patent/JPH07191419A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6697600B2 (en) | 2001-05-25 | 2004-02-24 | Ricoh Company, Ltd. | Cover plate, image scanning device and image forming apparatus |
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