JPH0428095Y2 - - Google Patents
Info
- Publication number
- JPH0428095Y2 JPH0428095Y2 JP1986180669U JP18066986U JPH0428095Y2 JP H0428095 Y2 JPH0428095 Y2 JP H0428095Y2 JP 1986180669 U JP1986180669 U JP 1986180669U JP 18066986 U JP18066986 U JP 18066986U JP H0428095 Y2 JPH0428095 Y2 JP H0428095Y2
- Authority
- JP
- Japan
- Prior art keywords
- mounting member
- slider
- copying machine
- pressure bonding
- storage hole
- 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
Links
- 230000004308 accommodation Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Holders For Sensitive Materials And Originals (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
【考案の詳細な説明】
（考案の利用分野）
この考案は、とくに複写機における原稿圧着板
開閉装置に関する。[Detailed Description of the Invention] (Field of Application of the Invention) This invention particularly relates to a document pressure plate opening/closing device in a copying machine.
（背景技術）
この種の開閉装置で原稿圧着板が急激に落下す
るのを防止したり、中間開角度で保持したりしよ
うとするものは、スプリングを用いているのが一
般である。従来のものはこのスプリングを保持す
るためのスプリングケース部が、複写機本体上
部、或いは原稿圧着板の下端面に突出する構成と
なつていたので、そのためのスペースを複写機本
体上部に設けなくてはならない他、外観上武骨な
印象を与えるという欠点があつた。(Background Art) This type of opening/closing device that attempts to prevent the document pressure plate from dropping suddenly or to hold it at an intermediate opening angle generally uses a spring. In conventional models, the spring case section for holding this spring was configured to protrude from the top of the copying machine main body or from the lower end surface of the original pressure bonding plate, so there was no need to provide space for this at the top of the copying machine main body. In addition to the fact that it did not work, it also had the disadvantage of giving an impression of being rugged in appearance.
また、本のような厚い原稿に対処するため、リ
フト装置を設けたものも種々公知であるが、いず
れも構造が複雑であり、高価となるという欠点が
あつた。 In addition, various devices equipped with a lift device are known to handle thick originals such as books, but all of them have the drawbacks of being complex in structure and expensive.
（技術的課題）
この考案の技術的課題は、通常時においてはス
プリングケース部が複写機本体上部や原稿圧着板
の下端面に突出することがなく、しかも、極めて
簡単な構成で原稿圧着板を上方へリフトすること
のできる、コンパクトな構成の原稿圧着板開閉装
置を提供せんとするにある。(Technical Problem) The technical problem with this invention is that under normal conditions, the spring case part does not protrude into the upper part of the copying machine body or the lower end surface of the document pressure plate, and in addition, the document pressure plate has an extremely simple structure. It is an object of the present invention to provide a document pressure plate opening/closing device having a compact structure and capable of being lifted upward.
（技術的手段）
上述した目的を達成するためにこの考案は、複
写機本体側へ取り付けられる取付部材に、原稿圧
着板の一端部を支持する支持部材をヒンジピンを
介して回動自在に取り付け、前記取付部材にスラ
イダーを収装すると共に、このスライダーを上方
へ摺動附勢させるスプリングを設け、前記支持部
材に前記スライダーと当接するカム部材を設けた
ものにおいて、前記複写機本体側には上下ともに
内径を同じくする収装穴を設け、前記取付部材を
上部は前記収装穴の内径と同一径であるが、下部
はこれよりも小径である内部にスライダーとスプ
リングを収装させた筒型テーパー棒状のものと成
すと共に、この取付部材そのものを前記収装穴へ
摺動可能に挿入させたものである。(Technical Means) In order to achieve the above-mentioned object, the present invention is such that a support member that supports one end of the document pressure plate is rotatably attached via a hinge pin to a mounting member attached to the main body of the copying machine. A slider is housed in the mounting member, and a spring is provided to force the slider to slide upward, and a cam member that comes into contact with the slider is provided in the support member, wherein an upper and lower A cylindrical shape is provided in which the mounting holes have the same inner diameter, and the upper part has the same diameter as the inner diameter of the mounting hole, but the lower part has a smaller diameter, and the slider and spring are housed inside. The mounting member is formed into a tapered rod shape, and the mounting member itself is slidably inserted into the storage hole.
（実施例）
図面に依れば、１は例えば複写機本体、２は原
稿圧着板、３はこの原稿圧着板２を複写機本体１
へ開閉自在に取り付けるための開閉装置である。(Embodiment) According to the drawings, 1 is, for example, a copying machine main body, 2 is an original pressure bonding plate, and 3 is this document pressure bonding plate 2, which is attached to the copying machine main body 1.
This is an opening/closing device that can be attached to the machine so that it can be opened and closed freely.
開閉装置３は、原稿圧着板２を支持するために
該原稿圧着板２の後端部をビス２ａで固着した支
持部材４と、この支持部材４をヒンジピン５を介
して開閉自在に保持する取付部材６とから成り、
取付部材６は複写機本体２の後部上端に取り付け
たヒンジガイド７に設けた収装穴７ａに摺動可能
に挿入されている。この収装穴７ａは上部と下部
との内径が同一径のものである。取付部材６と収
装穴７ａとの間には、必要に応じて取付部材６の
滑りを良くするために潤滑油がぬられても良い。 The opening/closing device 3 includes a support member 4 fixed to the rear end of the original pressure bonding plate 2 with screws 2a to support the document pressure bonding plate 2, and a mounting member that holds the support member 4 via a hinge pin 5 so as to be openable and closable. Consisting of member 6,
The mounting member 6 is slidably inserted into a storage hole 7a provided in a hinge guide 7 attached to the rear upper end of the copying machine body 2. The storage hole 7a has an upper and lower inner diameter of the same diameter. If necessary, lubricating oil may be applied between the mounting member 6 and the storage hole 7a to improve the slippage of the mounting member 6.
取付部材６は筒型の構造で外径が下部に至るほ
ど小径となるテーパー棒状を呈しており、その上
部の外径は収装穴７ａの上部の内径と同一径であ
り、両者はしつくりと嵌合しているが、その下部
の外径は収装穴７ａの下部の内径より小さくその
間にガタ（遊び）がある。この取付部材６の内部
には同じく筒状のスライダー８が収納されると共
に、このスライダー８と取付部材６の内底板６ａ
との間には、圧縮コイルスプリング９が弾設さ
れ、スライダー８を常に上方向へ移動するように
附勢させており、この取付部材６は同時にスプリ
ングケース部を兼ねている。 The mounting member 6 has a cylindrical structure and has a tapered rod shape in which the outer diameter becomes smaller toward the bottom, and the outer diameter of the upper part is the same as the inner diameter of the upper part of the storage hole 7a, and both are However, the outer diameter of the lower part is smaller than the inner diameter of the lower part of the storage hole 7a, and there is play between them. A similarly cylindrical slider 8 is housed inside this mounting member 6, and this slider 8 and an inner bottom plate 6a of the mounting member 6
A compression coil spring 9 is resiliently installed between the slider 8 and the slider 8 to constantly urge the slider 8 to move upward, and the mounting member 6 also serves as a spring case portion.
尚、開閉装置３は図面では１個しか表示してな
いが、複写機本体１の後部左右に２個設けられる
ものであることは、従来のものと同じである。 Although only one opening/closing device 3 is shown in the drawing, two opening/closing devices 3 are provided on the left and right sides of the rear portion of the copying machine body 1, as in the conventional device.
このスライダー８の上端部にはカムピン１０が
設けられており、このカムピン１０は支持部材４
のヒンジピン５の連結部分に設けられたカム部材
１１と当接している。このカム部材１１はカムピ
ン１０と当接する***部１１ａを挟んで一対の凹
部１１ｂ，１１ｃが設けられており、原稿圧着板
２を閉じた状態においてカムピン１０の軸心はヒ
ンジピン５の軸心とは一致せず、若干前方に位置
し、カム部材１１の一方の凹部１１ｂと当接する
ことにより、原稿圧着板２を閉じ方向に附勢させ
ている。 A cam pin 10 is provided at the upper end of the slider 8, and this cam pin 10 is connected to the support member 4.
It is in contact with a cam member 11 provided at the connecting portion of the hinge pin 5 . This cam member 11 is provided with a pair of recesses 11b and 11c sandwiching a protrusion 11a that contacts the cam pin 10, and when the original pressure bonding plate 2 is closed, the axis of the cam pin 10 is different from the axis of the hinge pin 5. They do not coincide with each other, but are located slightly forward, and come into contact with one of the recesses 11b of the cam member 11, thereby urging the document pressure bonding plate 2 in the closing direction.
したがつて、この状態においてとくに第１図に
示したように原稿圧着板２は原稿１２をコンタク
トガラス１３上へ圧接している。 Therefore, in this state, the original pressing plate 2 presses the original 12 onto the contact glass 13 as shown in FIG.
今、この状態から原稿圧着板２を開くと、カム
部材１１の***部１１ａがカムピン１０を乗り越
える必要のあることから、若干の抵抗に遭遇する
が、該原稿圧着板２は支持部材４を介してヒンジ
ピン５を支点に開かれ、約60°位開かれると原稿
圧着板２がヒンジピン５の回りに生じさせている
回転トルクは弱まり、さらにカムピン１０がカム
部材１１のもう一方の凹部１１ｃに落ち込み始め
るので、圧縮コイルスプリング９の弾力が勝り始
め、原稿圧着板２は自動的に開かれる。そして、
約80°の開角度で第２図に示したように、支持部
材４の突起部４ａが取付部材６の突起部６ｂに当
接することにより停止し、この状態を安定的に保
つ。 If you open the original pressure bonding plate 2 from this state, you will encounter some resistance because the protrusion 11a of the cam member 11 needs to get over the cam pin 10. When the original pressing plate 2 is opened about 60 degrees around the hinge pin 5, the rotational torque generated around the hinge pin 5 weakens, and the cam pin 10 further falls into the other recess 11c of the cam member 11. Since the compression coil spring 9 starts to exert its elasticity, the original pressure bonding plate 2 automatically opens. and,
As shown in FIG. 2 at an opening angle of approximately 80°, the protrusion 4a of the support member 4 comes into contact with the protrusion 6b of the attachment member 6, thereby stopping and stably maintaining this state.
したがつて、原稿圧着板２より手を離しても自
然落下することはない。 Therefore, even if you release your hand from the original pressure bonding plate 2, it will not fall by itself.
次に、開いた原稿圧着板２を閉じる際には、上
述したように圧縮コイルスプリング９は原稿圧着
板２を開成方向へ附勢しており、かつカムピン１
０はカム部材１１の***部１１ａを登らなくては
ならないので、若干の抵抗に遭遇するが、該原稿
圧着板２の先端側を手で押さえることによつて閉
じられ、約20°位の開角度まで閉じると、カムピ
ン１０がカム部材１１の凹部１１ｂに落ち込むこ
とと、カムピン１０の軸心がヒンジピン５の軸心
よりも前方に位置していることから原稿圧着板２
は閉成方向にスプリング附勢されるので、急激に
落下して原稿１２をコンタクトガラス１３上に強
く圧接し、この圧接状態を保つ。 Next, when closing the opened original pressure bonding plate 2, the compression coil spring 9 biases the document pressure bonding plate 2 in the opening direction as described above, and the cam pin 1
0 has to climb up the protrusion 11a of the cam member 11, so it encounters some resistance, but it can be closed by pressing the tip side of the document pressure plate 2 with your hand, and it opens about 20 degrees. When the cam pin 10 is closed to this angle, the cam pin 10 falls into the recess 11b of the cam member 11, and the axial center of the cam pin 10 is located in front of the axial center of the hinge pin 5.
is biased by a spring in the closing direction, so it falls suddenly and strongly presses the original 12 onto the contact glass 13, and maintains this pressed state.
次に、原稿が本のように厚い立体原稿１４の場
合には、原稿圧着板２を閉じると、立体原稿１４
の端部を支点に原稿圧着板２は回転し、取付部材
６が第３図に示したように収装穴７ａよりスライ
ドして上昇し、原稿圧着板２の回動支点であるヒ
ンジピン５の位置を上方へリフトさせ、同時に原
稿圧着板２は閉じられ立体原稿１４に対して水平
にその上部を覆うことができるものである。 Next, if the original is a thick 3D original 14 like a book, when the original pressure bonding plate 2 is closed, the 3D original 14
The original pressure bonding plate 2 rotates around the end of the document pressure bonding plate 2 as a fulcrum, and the mounting member 6 slides upward from the storage hole 7a as shown in FIG. The position is lifted upward, and at the same time, the document pressure bonding plate 2 is closed and can horizontally cover the top of the three-dimensional document 14.
したがつて、露光が外部に漏れて操作者がまぶ
しい思いをしたり、外光が光学系に入つて複写用
紙を黒くしたりすることを可及的に防止すること
ができるものである。 Therefore, it is possible to prevent as much as possible the exposure light leaking to the outside and causing dazzling to the operator, and the outside light entering the optical system and turning the copy paper black.
立体原稿１４を取り去つて若干力をこめて原稿
圧着板２の後端部側を押すと、取付部材６は再び
収装穴７ａに挿入され第１図に示されたよう元の
状態に戻る。 When the three-dimensional original 14 is removed and the rear end side of the original pressing plate 2 is pushed with some force, the mounting member 6 is reinserted into the storage hole 7a and returns to its original state as shown in FIG. .
尚、取付部材６の収装穴７ａでのスライドを容
易にするために潤滑油を用いても良いし、或いは
収装穴７ａの方に空気抜き用の穴、或いは溝を設
けると、取付部材６の収納穴７ａに対する挿脱が
より容易になろう。 Note that lubricating oil may be used to facilitate the sliding of the mounting member 6 in the storage hole 7a, or if an air vent hole or groove is provided in the storage hole 7a, the mounting member 6 Insertion and removal into the storage hole 7a will be easier.
この考案の要旨は、開閉装置３をリフトさせる
ために複写機本体側１に設けた収装穴７ａへ上下
動可能に収装させた部材を取付部材６と成し、こ
の取付部材６内部に原稿圧着板２の回動をコント
ロールするスプリングを収納させた点にあるので
あり、他の構成部材である支持部材の形状、構
造、カム部材の形状、構造等については、実施例
に限定されない。 The gist of this invention is that the mounting member 6 is a member that is vertically movably stored in a storage hole 7a provided in the copying machine main body side 1 in order to lift the opening/closing device 3. This is because a spring for controlling the rotation of the document pressure bonding plate 2 is housed, and the shape and structure of the supporting member, which is another component, and the shape and structure of the cam member, etc., are not limited to those in the embodiment.
したがつて、当然のことながら収装穴は複写機
本体に取り付けたヒンジガイドに設けなくとも、
直接複写機本体へ設けても良い。 Therefore, it goes without saying that the storage hole does not need to be provided in the hinge guide attached to the copier body.
It may also be provided directly to the main body of the copying machine.
また、カム部材の方にカムピンを設け、スライ
ダーの上面にこのカムピンが当接するカム部材
（カム面）を設けても同様な効果を達成できる。 Further, the same effect can be achieved by providing a cam pin on the cam member and providing a cam member (cam surface) on the upper surface of the slider with which the cam pin comes into contact.
（効果）
この考案は以上のように構成したので、取付部
材を筒型の棒状を呈するきわめてすつきりとした
形状のものとすることができ、かつ、ヒンジピン
をリフトさせるために取付部材を単に収装穴へ摺
動可能に挿入するという簡単な構成であつても、
収装穴の内径を上下とも同一径とし、この収装穴
へ挿入する取付部材を上部は前記収装穴の内径と
同一径であるが、下部はこれよりも小径である内
部にスライダーとスプリングを収装させた筒型の
テーパー棒状を呈するものとしたので、平常時は
取付部材の上部が収装穴の上部としつくりと嵌合
しており、ガタのない安定した開閉操作を行うこ
とができるものである。他方、原稿が本のように
厚い場合には、その端部に接して揺動する原稿圧
着板により、取付部材が垂直軸方向より前後左右
にづれた上動力を受けても、取付部材の下部と収
装穴との間には遊びがあるので、該取付部材をリ
フトさせるための上下方向の摺動が極めてスムー
ズになるものである。(Effects) Since this invention is constructed as described above, the mounting member can be made into an extremely slim shape having a cylindrical bar shape, and the mounting member can be simply moved in order to lift the hinge pin. Even if it has a simple configuration of slidingly inserting it into the storage hole,
The inside diameter of the storage hole is the same on both the top and bottom, and the mounting member inserted into this storage hole has the same diameter as the inside diameter of the storage hole at the top, but a slider and a spring inside the bottom. Since it has the shape of a cylindrical tapered rod in which the housing is housed, the upper part of the mounting member fits tightly into the upper part of the housing hole under normal conditions, and stable opening and closing operations can be performed without play. It is possible. On the other hand, if the original is thick like a book, the lower part of the mounting member will be damaged even if the mounting member is subjected to an upward force that shifts from the vertical axis direction to the front, back, left, or right due to the original pressure bonding plate that swings in contact with the edge of the document. Since there is play between the mounting member and the storage hole, vertical sliding for lifting the mounting member becomes extremely smooth.
図面はこの考案の一実施例を示し、第１図は原
稿圧着板を閉じた状態の縦断面図、第２図は原稿
圧着板を最大限に開いた状態の縦断面図、第３図
は立体原稿の場合に原稿圧着板を閉じた状態の縦
断面図である。
１……複写機本体、２……原稿圧着板、３……
開閉装置、４……支持部材、５……ヒンジピン、
６……取付部材、７ａ……収装穴、８……スライ
ダー、９……圧縮コイルスプリング、１０……カ
ムピン、１１……カム部材。
The drawings show an embodiment of this invention; FIG. 1 is a longitudinal cross-sectional view of the document pressure plate in a closed state, FIG. FIG. 7 is a longitudinal cross-sectional view of the document pressure bonding plate in a closed state in the case of a three-dimensional document. 1...Copy machine main body, 2...Document pressure bonding plate, 3...
Opening/closing device, 4... Support member, 5... Hinge pin,
6... Mounting member, 7a... Storage hole, 8... Slider, 9... Compression coil spring, 10... Cam pin, 11... Cam member.
Claims (1)
稿圧着板の一端部を支持する支持部材をヒンジピ
ンを介して回動自在に取り付け、前記取付部材に
スライダーを収装すると共に、このスライダーを
上方へ摺動附勢させるスプリングを設け、前記支
持部材に前記スライダーと当接するカム部材を設
けたものにおいて、前記複写機本体側には上下と
もに内径を同じくする収装穴を設け、前記取付部
材を上部は前記収装穴の内径と同一径であるが、
下部はこれよりも小径である内部にスライダーと
スプリングを収装させた筒型テーパー棒状のもの
と成すと共に、この取付部材そのものを前記収装
穴へ摺動可能に挿入させたことを特徴とする、原
稿圧着板開閉装置。 A support member that supports one end of the original pressure bonding plate is rotatably attached to a mounting member attached to the copying machine main body via a hinge pin, a slider is housed in the mounting member, and the slider is slid upward. A spring is provided for biasing the slider, and the support member is provided with a cam member that comes into contact with the slider, wherein the upper and lower sides of the copying machine main body are provided with an accommodation hole having the same inner diameter, and the mounting member is attached to the upper part of the copying machine. The diameter is the same as the inner diameter of the storage hole,
The lower part is formed into a cylindrical tapered rod having a smaller diameter than this and houses a slider and a spring, and the mounting member itself is slidably inserted into the housing hole. , document pressure plate opening/closing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986180669U JPH0428095Y2 (en) | 1986-11-25 | 1986-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986180669U JPH0428095Y2 (en) | 1986-11-25 | 1986-11-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6386633U JPS6386633U (en) | 1988-06-06 |
| JPH0428095Y2 true JPH0428095Y2 (en) | 1992-07-07 |
Family
ID=31124835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986180669U Expired JPH0428095Y2 (en) | 1986-11-25 | 1986-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0428095Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007186884A (en) * | 2006-01-12 | 2007-07-26 | Shimonishi Giken Kogyo Kk | Hinge |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3623464B2 (en) * | 2001-06-08 | 2005-02-23 | シャープ株式会社 | Document reading apparatus and image forming apparatus incorporating the same |
| JP7114051B2 (en) * | 2018-03-22 | 2022-08-08 | 下西技研工業株式会社 | hinge |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5770526A (en) * | 1980-10-18 | 1982-05-01 | Nhk Spring Co Ltd | Opening and closing device for original pressure plate of copying machine |
| JPS5820066B2 (en) * | 1973-05-31 | 1983-04-21 | ハネイウエル インフオメ−シヨン システムス インコ−ポレ−テツド | Hardware virtualizer |
| JPS5829760B2 (en) * | 1975-04-16 | 1983-06-24 | ステイ−ルケイス インコ−ポレイテツド | Tray in document organizer |
| JPS5857462B2 (en) * | 1975-12-16 | 1983-12-20 | 三菱化学株式会社 | Fukusokankeisenriyounoseizohou |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5836770Y2 (en) * | 1981-08-01 | 1983-08-18 | タキゲン製造株式会社 | pivotable hinge |
| JPS5912371Y2 (en) * | 1981-08-20 | 1984-04-14 | 株式会社下西製作所 | hinge |
| JPS5857462U (en) * | 1981-10-13 | 1983-04-19 | スガツネ工業株式会社 | hinge |
-
1986
- 1986-11-25 JP JP1986180669U patent/JPH0428095Y2/ja not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5820066B2 (en) * | 1973-05-31 | 1983-04-21 | ハネイウエル インフオメ−シヨン システムス インコ−ポレ−テツド | Hardware virtualizer |
| JPS5829760B2 (en) * | 1975-04-16 | 1983-06-24 | ステイ−ルケイス インコ−ポレイテツド | Tray in document organizer |
| JPS5857462B2 (en) * | 1975-12-16 | 1983-12-20 | 三菱化学株式会社 | Fukusokankeisenriyounoseizohou |
| JPS5770526A (en) * | 1980-10-18 | 1982-05-01 | Nhk Spring Co Ltd | Opening and closing device for original pressure plate of copying machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007186884A (en) * | 2006-01-12 | 2007-07-26 | Shimonishi Giken Kogyo Kk | Hinge |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6386633U (en) | 1988-06-06 |
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