JPH08101466A - Original cover device for image forming device - Google Patents
Original cover device for image forming deviceInfo
- Publication number
- JPH08101466A JPH08101466A JP26123994A JP26123994A JPH08101466A JP H08101466 A JPH08101466 A JP H08101466A JP 26123994 A JP26123994 A JP 26123994A JP 26123994 A JP26123994 A JP 26123994A JP H08101466 A JPH08101466 A JP H08101466A
- Authority
- JP
- Japan
- Prior art keywords
- document
- closing
- retainer
- cam
- original cover
- 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)
- Exposure Or Original Feeding In Electrophotography (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、静電写真複写機などの
画像形成装置に装備される原稿押え装置の改良技術に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved technique for a document holding device provided in an image forming apparatus such as an electrostatic photocopier.
【０００２】[0002]
【従来の技術】上記の原稿押え装置として、単なる板状
の原稿押えや、コンタクトガラス上への原稿の自動給紙
装置を備えた原稿押え、更には、上記の自動給紙装置に
原稿の表裏反転機能が付加された原稿押えを、開閉可能
に設けると共に、この原稿押えを開放方向に付勢させる
付勢手段を備えさせたものがある。2. Description of the Related Art As the above-mentioned document pressing device, a simple plate-shaped document pressing device, a document pressing device having an automatic document feeding device for feeding a document onto a contact glass, and further, the above-mentioned automatic document feeding device is provided with front and back documents. There is a document presser provided with a reversing function so as to be openable and closable and provided with a biasing means for biasing the document presser in the opening direction.
【０００３】上記の付勢手段は、原稿押えとの重量バラ
ンスをとって、原稿押えの開閉を軽く且つ楽に行わせる
ために設けられるものであるが、この付勢手段は、原稿
押えの回動角に対応して一義的に付勢力が変化すること
から、原稿押えの開閉範囲の全域において重量バランス
をとることは不可能であることに加えて、原稿押えの閉
じ状態では、原稿押えが原稿をコンタクトガラス面に押
圧するようにする必要があることから、原稿押えの或る
開放角までは原稿押えの重量に基づく回転モーメントが
付勢手段の付勢力に打ち勝って、原稿押えが閉じ勝手と
なるように付勢力が設定されることは言うまでもない。The above-mentioned urging means is provided in order to balance the weight of the document retainer and to open and close the document retainer lightly and effortlessly. The urging means rotates the document retainer. Since the biasing force uniquely changes depending on the corner, it is impossible to balance the weight in the entire opening and closing range of the document retainer.In addition, when the document retainer is closed, the document retainer is Since it is necessary to press against the contact glass surface, the rotational moment based on the weight of the document retainer overcomes the urging force of the urging means up to a certain opening angle of the document retainer, and the document retainer is closed. It goes without saying that the biasing force is set so that
【０００４】[0004]
【発明が解決しようとする課題】ところが、かゝる構成
によれば、原稿押えを上記した或る開放角にまで閉じる
と、ここで原稿押えの重量に基づく回転モーメントが付
勢手段の付勢力に打ち勝って、それまでは開き勝手であ
った原稿押えが瞬時に閉じ勝手に切り換わることから、
原稿押えが勢いよく閉じられることになり、特に自動給
紙装置を備えた原稿押えにあっては重量が大であること
から、大きな音を発したり、時にはコンタクトガラスを
破損する事態が見られたのである。However, according to such a structure, when the document retainer is closed to the above-described certain opening angle, the rotational moment based on the weight of the document retainer causes the biasing force of the biasing means. Since the original presser that was open until then instantly switches to closing,
The document retainer was closed vigorously, and in particular, the document retainer equipped with the automatic paper feeder was heavy, so that it was possible to make a loud noise or even damage the contact glass. Of.
【０００５】ここで、付勢手段の付勢力を大きくして、
原稿押えの全閉直前に重量バランスがとられるようにす
れば、上記の不都合は解消されるのであるが、これでは
原稿押えの閉じ姿勢が不安定で原稿の押さえ力が不足す
るだけでなく、一寸したショックで原稿押えが開放され
てしまい、その上、開放の付勢力が大きいために、開放
のエンドで原稿押えや枢支構造に無理なショックが作用
することに加えて、原稿押えの閉じ操作が困難になる問
題がある。Here, by increasing the biasing force of the biasing means,
If the weight is balanced just before the document retainer is fully closed, the above inconvenience will be solved. However, this not only causes the original document retainer's closing posture to be unstable, resulting in insufficient document pressing force. The original presser foot is released by a slight shock, and the biasing force of the opening is large.Therefore, the original presser foot and the pivotal support structure receive an unreasonable shock at the opening end, and the original presser foot closes. There is a problem that operation becomes difficult.
【０００６】本発明は、かゝる実情に鑑みて成されたも
のであって、これまで以上に楽な操作で原稿押えを開閉
できるようにしながら、原稿押えを閉じる際のショック
を効果的に防止できるに至った原稿押え装置を提供する
ことを目的としている。The present invention has been made in view of the above circumstances, and it is possible to open and close the document retainer by an easier operation than ever before, and to effectively provide a shock when closing the document retainer. It is an object of the present invention to provide a document pressing device which can be prevented.
【０００７】[0007]
【課題を解決するための手段】上記の目的を達成するに
至った本発明による原稿押え装置は、原稿押えに開放方
向の付勢力を付与する第１付勢手段と、閉塞の途中から
原稿押えに開放方向の付勢力を付与し且つその付勢方向
が全閉の直前において閉塞方向に切り換えられる第２付
勢手段とを備え、前記第２付勢手段が、原稿押えの開閉
軸芯まわりの第１カム面を有して原稿押えと一体的に回
動するカム体と、原稿押えの全閉直前までのカム体の回
動に伴って前記第１カム面により被動されるカムフォロ
アと、このカムフォロアの被動に抗する付勢力を当該カ
ムフォロアに付与するスプリングとから成り、かつ、原
稿押えの全閉直前からは前記スプリングの付勢力を原稿
押えに対して閉塞方向に付与させる第２カム面を、前記
第１カム面に連ねて前記カム体に形成して成る点に特徴
がある。The document pressing device according to the present invention, which has achieved the above-mentioned object, is provided with a first urging means for applying an urging force in the opening direction to the document pressing member and a document pressing member during the closing process. A second urging means for applying an urging force in the opening direction to the urging direction and switching the urging direction to the closing direction immediately before the full closing, wherein the second urging means is provided around the opening / closing axis of the document retainer. A cam body that has a first cam surface and rotates integrally with the document retainer; and a cam follower that is driven by the first cam surface as the cam body rotates until just before the document retainer is fully closed. A second cam surface for applying an urging force against the driven cam follower to the cam follower, and a second cam surface for applying the urging force of the spring to the document retainer in the closing direction immediately before the document retainer is fully closed. , Connected to the first cam surface It is characterized in comprising forming said cam member.
【０００８】[0008]
【作用】かゝる構成によれば、上記した或る開放角まで
は原稿押えが開き勝手と成るように、第１付勢手段の付
勢力を従来通りに設定し、かつ、原稿押えの重量に基づ
く回転モーメントが第１付勢手段の付勢力に打ち勝っ
て、原稿押えが閉じ勝手に切り換わるようになった際
に、ここではじめて第２付勢手段による開放方向の付勢
力を原稿押えに付与させるようにすることで、原稿押え
をゆっくりと閉塞させることができる。それでいて、原
稿押えの全閉直前からは、第２付勢手段の付勢力を原稿
押えに対して閉塞方向に付与させるので、原稿押えの閉
じ姿勢が安定すると共に、コンタクトガラス面に対する
原稿の押圧力を強くすることができる。According to such a construction, the urging force of the first urging means is set in the conventional manner so that the document retainer can be opened up to the above-mentioned certain opening angle, and the weight of the document retainer can be adjusted. When the rotational moment based on the first biasing means overcomes the biasing force of the first biasing means and the document retainer is switched to the closing bias, the second biasing means applies the biasing force in the opening direction to the document retainer for the first time. By applying the document, the document retainer can be slowly closed. However, since the pressing force of the second urging means is applied to the document pressing member in the closing direction immediately before the document pressing member is fully closed, the closing position of the document pressing member is stabilized and the pressing force of the document on the contact glass surface is maintained. Can be stronger.
【０００９】[0009]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。図１は画像形成装置の一例の静電写真複写機の原
稿押え装置を示し、具体的には、原稿の自動給紙装置を
備えた原稿押え１の複写機本体２に対する枢着部構造を
示している。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a document pressing device of an electrostatic photocopier, which is an example of an image forming apparatus, and specifically, shows a structure of a pivotal attachment portion of a document pressing device 1 having an automatic document feeder for a copying machine main body 2. ing.
【００１０】この枢着部構造は、複写機本体２と原稿押
え１とにわたって、それらの左右両側に装備されるもの
であって、その左右一方の詳細を図２に示している。こ
れらの図において、図中の３は複写機本体２の上面部に
設けられた保持部材であって、前記原稿押え１が支軸４
を介して左右一対のブラケット５，５に開閉可能に枢着
されている。This pivotal structure is provided on both the left and right sides of the copying machine body 2 and the document retainer 1, and the details of the left and right sides thereof are shown in FIG. In these drawings, reference numeral 3 in the drawings denotes a holding member provided on the upper surface of the copying machine main body 2, and the document pressing member 1 is provided with the support shaft 4
It is pivotally attached to the pair of left and right brackets 5 and 5 via the so as to be openable and closable.
【００１１】６は原稿押え１に開放方向の付勢力を付与
する第１付勢手段で、前記保持部材３のブラケット５，
５と原稿押え１とにわたって、それぞれ支軸７，８を介
して伸縮ボックス９ａ，９ｂを連結すると共に、この伸
縮ボックス９ａ，９ｂ内に、前記原稿押え１と重量バラ
ンスをとるように２本のスプリング１０，１０を設けて
成る。Reference numeral 6 denotes a first urging means for applying an urging force to the original pressing member 1 in the opening direction, which is the bracket 5 of the holding member 3.
Telescopic boxes 9a and 9b are connected to each other through the support shafts 7 and 8 between the document presser 5 and the document retainer 1, and two weights are balanced in the retractable boxes 9a and 9b to balance the document retainer 1. The springs 10 and 10 are provided.
【００１２】１１は付勢力を開放方向と閉塞方向とに切
り換えて原稿押え１に付与する第２付勢手段であって、
原稿押え１の閉塞途中の状態、より具体的には、原稿押
え１の重量に基づく回転モーメントと第１付勢手段６の
付勢力とがバランスして、原稿押え１が或る開放角に保
持された状態（図４を参照）であるが、この閉塞途中の
状態から全閉直前までの間は原稿押え１に開放方向の付
勢力を付与し、全閉直前からは原稿押え１に閉塞方向の
付勢力を付与する機能を有するもので、次のように構成
されている。Numeral 11 is a second urging means for switching the urging force between the opening direction and the closing direction and applying it to the original pressing member 1.
The state in which the document retainer 1 is in the middle of closing, more specifically, the rotation moment based on the weight of the document retainer 1 and the urging force of the first urging means 6 are balanced, and the document retainer 1 is held at a certain opening angle. In the closed state (see FIG. 4), the opening force is applied to the document retainer 1 from the state in the middle of the closing to immediately before the full closing, and the document retainer 1 is closed in the closing direction from immediately before the full closing. It has the function of applying the urging force of (1) and is configured as follows.
【００１３】即ち、原稿押え１の開閉軸芯まわりの第１
カム面Ｓ１を有するカム体１２を、第１付勢手段６の連
結用支軸７の両端側に一体に連設（原稿押え１の連結用
支軸４または原稿押え１そのものであってもよい。）し
て、原稿押え１の開閉に伴って、このカム体１２を原稿
押え１と一体的に回動させるように構成する一方、前記
保持部材３のブラケット５，５に前後方向の長孔ａ，ａ
を形成し、かつ、上記した原稿押え１の閉塞途中から全
閉直前までの間において、その間のカム体１２の回動に
伴って前記第１カム面Ｓ１により被動されるカムフォロ
ア１３を、前記長孔ａ，ａにわたって設けると共に、こ
のカムフォロア１３の被動に抗する付勢力を当該カムフ
ォロア１３に付与する２本のスプリング１４，１４を、
複写機本体２側のフック部材１５とカムフォロア１３と
にわたって設け、更に、前記原稿押え１が全閉直前まで
に閉じられてからは、前記スプリング１４，１４の付勢
力を原稿押え１に対して閉塞方向に付与させる第２カム
面Ｓ２を、前記第１カム面Ｓ１に連ねて前記カム体１２
に形成している。That is, the first portion around the opening / closing axis of the document holder 1
The cam body 12 having the cam surface S1 is integrally connected to both ends of the connecting support shaft 7 of the first urging means 6 (the connecting support shaft 4 of the document presser 1 or the document presser 1 itself may be provided. Then, the cam body 12 is integrally rotated with the document retainer 1 as the document retainer 1 is opened and closed, while the brackets 5 and 5 of the holding member 3 are provided with long holes in the front-rear direction. a, a
And the cam follower 13 driven by the first cam surface S1 in accordance with the rotation of the cam body 12 during the period between the closing of the document pressing member 1 and immediately before the closing of the document pressing member 1 described above. Two springs 14, 14 are provided over the holes a, a, and apply a biasing force against the driven of the cam follower 13 to the cam follower 13.
It is provided over the hook member 15 and the cam follower 13 on the copying machine main body 2 side, and further, after the document pressing member 1 is closed by the time immediately before it is fully closed, the urging force of the springs 14, 14 is closed against the document pressing member 1. The second cam surface S2 to be applied in the direction is connected to the first cam surface S1 and the cam body 12
Is formed.
【００１４】上記の構成によれば、原稿押え１の閉じ操
作に伴って第２付勢手段１１が機能するまでの間、即
ち、原稿押え１の重量に基づく回転モーメントと第１付
勢手段６の付勢力とがバランスして、図４に示すよう
に、原稿押え１が或る開放角に保持される状態までの間
は、第１付勢手段６による開放方向の付勢力だけが原稿
押え１に付与されるもので、この間に原稿押え１から手
を放せば、原稿押え１は自動的に図３に示す全開状態に
切り換えられることになる。According to the above structure, the second biasing means 11 functions until the closing operation of the document retainer 1, that is, the rotation moment based on the weight of the document retainer 1 and the first biasing means 6. As shown in FIG. 4, the urging force of the first pressing means 6 keeps the original pressing force until the original pressing member 1 is held at a certain opening angle. When the document retainer 1 is released during this time, the document retainer 1 is automatically switched to the fully open state shown in FIG.
【００１５】そして、図４に示すバランス状態から更に
原稿押え１を閉じると、ここから第２付勢手段１１が機
能し始めて、前記原稿押え１には、前記カム体１２の第
１カム面Ｓ１とカムフォロア１３とを介して、前記スプ
リング１４，１４による開放方向の付勢力が付与される
ことになる。即ち、第１付勢手段６を設けているだけで
あれば、図４に示すバランス状態からの更なる原稿押え
１の閉じ操作に伴って、原稿押え１の重量に基づく回転
モーメントが第１付勢手段６の付勢力に打ち勝ち、而し
て、原稿押え１が急激にコンタクトガラス面を閉じるこ
とになるのであるが、図５に示す原稿押え１の全閉直前
までの間に、第２付勢手段１１による開放方向の付勢力
を原稿押え１に付与させることで、この間は、原稿押え
１をゆっくりと閉塞させることができるのである。When the document retainer 1 is further closed from the balanced state shown in FIG. 4, the second urging means 11 starts to function from here, and the document retainer 1 has the first cam surface S1 of the cam body 12 on it. The urging force of the springs 14, 14 in the opening direction is applied via the cam follower 13 and the cam follower 13. That is, if only the first urging means 6 is provided, the rotation moment based on the weight of the document retainer 1 is first applied with the closing operation of the document retainer 1 from the balanced state shown in FIG. The document holder 1 overcomes the biasing force of the biasing means 6, and the document holder 1 abruptly closes the contact glass surface. However, before the document holder 1 shown in FIG. By applying the urging force in the opening direction by the urging means 11 to the document retainer 1, the document retainer 1 can be slowly closed during this period.
【００１６】それでいて、原稿押え１の全閉直前から図
６に示す閉塞状態までの間は、第２カム面Ｓ２の作用に
よって、前記第２付勢手段１１の付勢力を原稿押え１に
対して閉塞方向に付与させるので、原稿押え１を安定的
に閉じ姿勢に保持させることができると共に、コンタク
トガラス面に対する原稿の押圧力を強くすることができ
るのである。However, from just before the document retainer 1 is fully closed to the closed state shown in FIG. 6, the urging force of the second urging means 11 acts on the document retainer 1 by the action of the second cam surface S2. Since the document pressing member 1 is applied in the closing direction, the document pressing member 1 can be stably held in the closed posture and the pressing force of the document against the contact glass surface can be increased.
【００１７】尚、上記の実施例では、第１及び第２付勢
手段６，１１の何れにおいても、２本のスプリング１
０，１４を設ける構成としているが、これらの本数は不
問であり、また、原稿押え１として、原稿の自動給紙装
置を備えるものとしたが、上記の自動給紙装置に原稿の
表裏反転機能を付加させた原稿押えや、或いは単なる板
状の原稿押えを、本発明の実施の対象にすることが可能
である。In the above embodiment, the two springs 1 are used in both the first and second biasing means 6 and 11.
Although 0 and 14 are provided, the number of them does not matter, and the automatic document feeder 1 is provided with the automatic document feeder as the document retainer 1. It is possible to implement the present invention with a document retainer to which is added or a simple plate-like document retainer.
【００１８】[0018]
【発明の効果】以上説明したように本発明は、原稿押え
との重量バランスをとる第１付勢手段に加えて、この第
１付勢手段と原稿押えとのバランス後において、はじめ
て機能するように第２付勢手段を設けたことで、大きな
衝撃音やコンタクトガラスの破損を伴わせることなく、
原稿押えをゆっくりと閉塞させることができるようにな
った。As described above, according to the present invention, in addition to the first urging means for weight-balancing the original pressing member, the first urging member and the original pressing member function only for the first time after the balance. By providing the second urging means in the, without causing a large impact sound and damage to the contact glass,
The document retainer can now be closed slowly.
【００１９】しかも、原稿押えの全閉直前の状態から
は、上記第２付勢手段の付勢力を有効に利用して、この
付勢力を原稿押えに対して閉塞方向に付与させるように
したことで、原稿押えの閉じ姿勢を安定的に保持できる
上に、コンタクトガラス面に対する原稿の押圧力を強く
することができるようになり、全体として、簡単な構成
の第２付勢手段を配置する合理的な改良によって、これ
まで以上に楽な操作で原稿押えを開閉させ得る原稿押え
装置を、原稿押えを閉じる際のショックを効果的に防止
できるものにして提供できるに至ったのである。Moreover, from the state immediately before the document pressing is fully closed, the urging force of the second urging means is effectively used to apply the urging force to the document pressing in the closing direction. Thus, the closed posture of the document pressing member can be stably maintained, and the pressing force of the document against the contact glass surface can be strengthened. As a whole, it is rational to arrange the second biasing unit having a simple structure. With such a technical improvement, it has become possible to provide an original document holding device capable of opening and closing the original document pressing device with a more comfortable operation than that which can effectively prevent a shock when closing the original document pressing device.
【図１】原稿押え装置の主要部の断面図である。FIG. 1 is a sectional view of a main part of a document pressing device.
【図２】原稿押えの枢支部構造の斜視図である。FIG. 2 is a perspective view of a structure of a pivot portion of a document pressing device.
【図３】原稿押えの全開状態における枢支部構造の形態
図である。FIG. 3 is a morphological view of a pivotal support structure in a fully opened state of a document retainer.
【図４】原稿押えをバランス状態に切り換えた際の枢支
部構造の形態図である。FIG. 4 is a morphological view of a pivotal support structure when the document presser is switched to a balanced state.
【図５】原稿押えを全閉直前の状態に切り換えた際の枢
支部構造の形態図である。FIG. 5 is a configuration diagram of a pivotal support structure when the document retainer is switched to a state immediately before being fully closed.
【図６】原稿押えを閉塞状態に切り換えた際の枢支部構
造の形態図である。FIG. 6 is a morphological view of a pivotal support structure when the document retainer is switched to a closed state.
１…原稿押え、６…第１付勢手段、１１…第２付勢手
段、１２…カム体、１３…カムフォロア、１４…スプリ
ング、Ｓ１…第１カム面、Ｓ２…第２カム面。DESCRIPTION OF SYMBOLS 1 ... Original document pressing, 6 ... 1st urging means, 11 ... 2nd urging means, 12 ... Cam body, 13 ... Cam follower, 14 ... Spring, S1 ... 1st cam surface, S2 ... 2nd cam surface.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 日比 宏昌 大阪府大阪市中央区玉造１丁目２番28号 三田工業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiromasa Hibi 1-2-2 Tamatsukuri Chuo-ku, Osaka City, Osaka Prefecture Mita Industry Co., Ltd.
Claims (1)
第１付勢手段と、閉塞の途中から原稿押えに開放方向の
付勢力を付与し且つその付勢方向が全閉の直前において
閉塞方向に切り換えられる第２付勢手段とを備え、前記
第２付勢手段が、原稿押えの開閉軸芯まわりの第１カム
面を有して原稿押えと一体的に回動するカム体と、原稿
押えの全閉直前までのカム体の回動に伴って前記第１カ
ム面により被動されるカムフォロアと、このカムフォロ
アの被動に抗する付勢力を当該カムフォロアに付与する
スプリングとから成り、かつ、原稿押えの全閉直前から
は前記スプリングの付勢力を原稿押えに対して閉塞方向
に付与させる第２カム面を、前記第１カム面に連ねて前
記カム体に形成してあることを特徴とする画像形成装置
の原稿押え装置。1. A first urging means for applying an urging force to the document retainer in the opening direction, and a urging force in the opening direction to the document retainer from the middle of closing, and the urging direction is closed immediately before fully closing. A second urging means that can be switched in a direction, the second urging means having a first cam surface around the opening / closing axis of the document retainer and rotating integrally with the document retainer; The cam follower is driven by the first cam surface in accordance with the rotation of the cam body until just before the document retainer is fully closed, and a spring that applies a biasing force against the driven cam follower to the cam follower, and The second cam surface for applying the urging force of the spring in the closing direction to the document pressing member immediately before the document pressing member is fully closed is formed on the cam body so as to be continuous with the first cam surface. Document holding device for image forming apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26123994A JPH08101466A (en) | 1994-09-29 | 1994-09-29 | Original cover device for image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26123994A JPH08101466A (en) | 1994-09-29 | 1994-09-29 | Original cover device for image forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08101466A true JPH08101466A (en) | 1996-04-16 |
Family
ID=17359077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26123994A Pending JPH08101466A (en) | 1994-09-29 | 1994-09-29 | Original cover device for image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08101466A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007212910A (en) * | 2006-02-13 | 2007-08-23 | Shimonishi Giken Kogyo Kk | Device for opening/closing original cover plate |
| US7343118B2 (en) | 2004-12-02 | 2008-03-11 | Samsung Electronics Co., Ltd. | Door shock absorber and image forming apparatus employing the same |
| JP2008116802A (en) * | 2006-11-07 | 2008-05-22 | Fuji Xerox Co Ltd | Opening/closing mechanism of opening/closing section, and image forming apparatus |
-
1994
- 1994-09-29 JP JP26123994A patent/JPH08101466A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7343118B2 (en) | 2004-12-02 | 2008-03-11 | Samsung Electronics Co., Ltd. | Door shock absorber and image forming apparatus employing the same |
| JP2007212910A (en) * | 2006-02-13 | 2007-08-23 | Shimonishi Giken Kogyo Kk | Device for opening/closing original cover plate |
| JP2008116802A (en) * | 2006-11-07 | 2008-05-22 | Fuji Xerox Co Ltd | Opening/closing mechanism of opening/closing section, and image forming apparatus |
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