JP7466957B2 - Hinge and electronic device equipped with hinge - Google Patents

Hinge and electronic device equipped with hinge Download PDF

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JP7466957B2
JP7466957B2 JP2023064342A JP2023064342A JP7466957B2 JP 7466957 B2 JP7466957 B2 JP 7466957B2 JP 2023064342 A JP2023064342 A JP 2023064342A JP 2023064342 A JP2023064342 A JP 2023064342A JP 7466957 B2 JP7466957 B2 JP 7466957B2
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wing member
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JP2023084135A (en
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禎治 高橋
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Simotec Co Ltd
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Description

本発明は、第一連結対象物に第二連結対象物を開閉可能に連結するヒンジ及び当該ヒンジを備えた電子機器に関する。 The present invention relates to a hinge that connects a second connection object to a first connection object in an openable and closable manner, and to an electronic device that includes the hinge.

従来、複写機、ファクシミリ、スキャナー等、オフィスで使用される事務機器の多くは、その本体の上面に原稿読み取り部（コンタクトガラス）を具備するとともに、当該原稿読み取り部を覆う原稿圧着板を具備する。原稿圧着板は、原稿読み取り部に載置された原稿を原稿読み取り部に密着させるとともに原稿読み取り部に対する原稿の位置を保持するものである。 Conventionally, many office equipment such as copiers, facsimiles, and scanners are equipped with a document reading unit (contact glass) on the top surface of the main body, as well as a document pressure plate that covers the document reading unit. The document pressure plate presses the document placed on the document reading unit into close contact with the document reading unit and maintains the position of the document relative to the document reading unit.

事務機器の本体と原稿圧着板とを連結する器具としては、第一ウイング部材と、第一ウイング部材に固定されるカム部材と、第一ウイング部材に回動軸を介して回動可能に連結される第二ウイング部材と、カム部材に接近する方向およびカム部材から離間する方向に移動可能なスライド部材と、スライド部材をカム部材に接近する方向に付勢することによりスライド部材をカム部材に当接させる付勢部材と、を具備するヒンジが知られている。 A known device for connecting the main body of an office machine to an original cover plate is a hinge that includes a first wing member, a cam member fixed to the first wing member, a second wing member rotatably connected to the first wing member via a pivot shaft, a slide member that can move toward and away from the cam member, and a biasing member that biases the slide member toward the cam member, thereby bringing the slide member into contact with the cam member.

また、ヒンジを備える事務機器においては、第一ウイング部材と第二ウイング部材との後方から、例えば工具や衣服や手指等の異物が入り込んで挟まることを防止する異物挟み防止部を備えるものがある（特許文献１参照）。
さらに、ヒンジには、第二ウイング部材が、原稿圧着板に固定される固定部材と、第一ウイング部材と固定部材とを連結する中間部材とを備えるものがある。前記ヒンジでは、中間部材に対して固定部材が開いた状態（リフト状態）として、複合機の本体に対して原稿圧着板を持ち上げた状態にして、本体（コンタクトガラス）と原稿圧着板との間に比較的分厚い原稿を配置したり、また、メンテナンスや点検等を行い易くする。このようなヒンジにおいても、中間部材と固定部材とが開いた状態（リフト状態）において、中間部材と固定部材との間の後方から、例えば工具や衣服や手指等の異物が入り込んで挟まることを防止する異物挟み防止部を備えるものがある（特許文献２参照）。 In addition, some office equipment equipped with hinges is equipped with a foreign object pinch prevention section that prevents foreign objects such as tools, clothing, or fingers from entering and becoming pinched from behind the first wing member and the second wing member (see Patent Document 1).
Furthermore, in some hinges, the second wing member includes a fixed member that is fixed to the document cover and an intermediate member that connects the first wing member and the fixed member. In the hinge, when the fixed member is in a state where it is open relative to the intermediate member (lift state), the document cover is lifted relative to the main body of the multifunction device, allowing a relatively thick document to be placed between the main body (contact glass) and the document cover, and facilitating maintenance and inspection. Some of these hinges also include a foreign object pinch prevention portion that prevents foreign objects, such as tools, clothing, and fingers, from entering and being pinched between the intermediate member and the fixed member from the rear when the intermediate member and the fixed member are in a state where they are open (lift state) (see Patent Document 2).

特開２００２－１３１９９０号公報JP 2002-131990 A 特開２００５－９１７９４号公報JP 2005-91794 A

しかしながら、前記ヒンジでは、異物挟み防止部は、例えば連結対象物や上方のウイング部材等に設けられて、垂れ下がるように構成される。
このため、前記ヒンジでは、前記リフト状態において、異物挟み防止部を捲り上げたりまた上方に回動させたり等することで、容易に、中間部材と固定部材との間の後方から異物が入り込んでしまう状態となってしまう虞があった。 However, in the hinge, the foreign object pinching prevention portion is provided on, for example, the connected object or an upper wing member, and is configured to hang down.
Therefore, in the hinge, when in the lifted state, there was a risk that a foreign object could easily enter from the rear between the intermediate member and the fixed member by rolling up or rotating the foreign object pinch prevention portion upward.

本発明は以上の如き状況に鑑みてなされたものであり、中間部材と固定部材との間の後方から異物が入り込んでしまう状態となってしまうことを防止するヒンジを提供することを課題とする。 The present invention was made in consideration of the above situation, and aims to provide a hinge that prevents foreign objects from entering the space between the intermediate member and the fixed member from the rear.

本発明の解決しようとする課題は以上の如くであり、次にこの課題を解決するための手段を説明する。 The problem that the present invention aims to solve is as described above, and the means for solving this problem will be explained next.

即ち、請求項１においては、第一連結対象物に固定される第一ウイング部材と、前記第一ウイング部材に設けられるカム部材と、第二連結対象物に固定されるとともに前記第一ウイング部材に第一回動軸を介して回動可能に連結され、前記第一ウイング部材に対して全開状態と閉状態との間で遷移する第二ウイング部材と、前記カム部材に当接するカム当接部を備え、前記第二ウイング部材に収容されつつ前記カム部材に接近する方向および前記カム部材から離間する方向に移動可能なスライド部材と、前記スライド部材を前記カム部材に接近する方向に付勢することにより前記スライド部材のカム当接部を前記カム部材に当接させて前記第二ウイング部材を前記第一ウイング部材に対して開く方向に回動するように付勢するバネ部材と、を具備し、前記第二ウイング部材は、前記第一ウイング部材に前記第一回動軸を介して回動可能に連結される中間部材と、前記第二連結対象物に固定されるとともに前記中間部材に第二回動軸を介して回動可能に連結される固定部材と、を備え、前記中間部材に対して前記固定部材が開いた状態であるリフト状態において、前記中間部材及び前記固定部材の外側から、前記中間部材と前記固定部材との間に異物が入り込んで挟まることを防止する異物挟み防止部をさらに備え、前記異物挟み防止部は、前記リフト状態において、前記固定部材における前記第二回動軸が配置される側と反対側の端部の外側から前記中間部材における前記第二回動軸が配置される側と反対側の端部の外側に亘って配置される、遮蔽部材を備え、前記遮蔽部材は、前記リフト状態において、前記固定部材における前記第二回動軸が配置される側と反対側の端部の外側から前記中間部材における前記第二回動軸が配置される側と反対側の端部の外側に亘って配置された状態が保持されるように構成され、前記遮蔽部材は、前記遮蔽部材の一端部が前記固定部材に支持されて、前記固定部材に対して回動可能に構成され、前記遮蔽部材は、留め部を備え、前記第二ウイング部材の閉状態、前記第二ウイング部材の開状態、および、前記リフト状態において、前記留め部が前記第一ウイング部材に引っ掛かるようにして前記固定部材における前記第二回動軸が配置される側と反対側の端部の外側から前記中間部材における前記第二回動軸が配置される側と反対側の端部の外側に亘って配置された状態が保持されるものである。 That is, in claim 1, there is provided a first wing member fixed to a first connection object, a cam member provided on the first wing member, a second wing member fixed to a second connection object and rotatably connected to the first wing member via a first rotation shaft, the second wing member transitioning between a fully open state and a closed state with respect to the first wing member, a slide member having a cam abutment portion that abuts against the cam member and that is housed in the second wing member and is movable in a direction toward the cam member and a direction away from the cam member, and a biasing force applied to the slide member in a direction toward the cam member. and a spring member that biases the second wing member to rotate in a direction opening relative to the first wing member by bringing a cam abutment portion of the slide member into contact with the cam member, the second wing member comprising an intermediate member that is rotatably connected to the first wing member via the first pivot shaft, and a fixed member that is fixed to the second connection object and is rotatably connected to the intermediate member via a second pivot shaft, and in a lift state in which the fixed member is open relative to the intermediate member, the intermediate member can be accessed from outside the intermediate member and the fixed member. a foreign object pinching prevention portion that prevents a foreign object from getting in and being pinched between the intermediate member and the fixed member, the foreign object pinching prevention portion comprising a shielding member that is arranged from the outside of an end portion of the fixed member opposite to a side on which the second rotation shaft is arranged to the outside of an end portion of the intermediate member opposite to a side on which the second rotation shaft is arranged in the lifted state, the shielding member being arranged from the outside of an end portion of the fixed member opposite to a side on which the second rotation shaft is arranged to the outside of an end portion of the intermediate member opposite to a side on which the second rotation shaft is arranged in the lifted state. the shielding member is configured to be rotatable relative to the fixed member with one end of the shielding member supported by the fixed member, and the shielding member has a fastening portion, and in the closed state of the second wing member, the open state of the second wing member, and the lifted state, the fastening portion is hooked onto the first wing member to maintain a state in which the shielding member is positioned from the outside of the end of the fixed member opposite the side on which the second pivot shaft is positioned to the outside of the end of the intermediate member opposite the side on which the second pivot shaft is positioned .

請求項２においては、前記第一ウイング部材は、底板、左右の側板、および背板を有し、前記左右の側板は、後端部が前記背板から突出し、前記後端部には、左右方向の内側に突出して、前記背板との間に上下方向に沿った空間を形成する一対の突出部が設けられ、前記遮蔽部材は、左右一対の前記留め部を備え、一対の前記留め部それぞれは、前記遮蔽部材の一部から前記左右方向の外側に突出し、前記空間に挿入される部分を有し、前記遮蔽部材は、前記第二ウイング部材が前記閉状態と前記開状態との間で回動する際、および、前記固定部材が前記中間部材に対して回動する際に、前記留め部の突出した部分が前記第一ウイング部材の前記空間内を移動するものである。 In claim 2, the first wing member has a bottom plate, left and right side plates, and a back plate, the left and right side plates having rear ends that protrude from the back plate and a pair of protrusions that protrude inward in the left-right direction and form a space between the back plate and the rear ends in the up-down direction, the shielding member has a pair of left and right fastening portions, each of the pair of fastening portions protruding outward in the left-right direction from a part of the shielding member and having a portion that is inserted into the space, and when the second wing member rotates between the closed state and the open state, and when the fixing member rotates relative to the intermediate member, the protruding portions of the fastening portions move within the space of the first wing member .

請求項３においては、前記留め部は、前記遮蔽部材から前記背板側に突出した後、前記左右方向外側に突出し、前記左右方向外側に突出した部分が前記空間に挿入され、前記一対の前記突出部は、その上端部に左右方向内側に突出するように構成されるストッパを備え、前記ストッパは、前記左右方向外側に突出した部分が前記第一ウイング部材の前記空間の上端部に移動したとき、前記留め部の前記背板側に突出した部分と当接して、前記留め部の前記空間からの脱落を防止するものである。 In claim 3, the fastening portion protrudes from the shielding member toward the back panel and then protrudes outward in the left-right direction, the portion protruding outward in the left-right direction being inserted into the space, the pair of protruding portions are provided with stoppers at their upper ends configured to protrude inward in the left-right direction, and when the portion protruding outward in the left-right direction moves to the upper end of the space of the first wing member, the stopper abuts against the portion of the fastening portion protruding toward the back panel, preventing the fastening portion from falling out of the space .

請求項４においては、請求項１から請求項３のいずれか一項に記載のヒンジを備えた電子機器とするものである。 According to a fourth aspect of the present invention, there is provided an electronic device including the hinge according to any one of the first to third aspects .

本発明の効果として、以下に示すような効果を奏する。
即ち、本発明によれば、中間部材と固定部材との間の後方から異物が入り込んでしまう状態となってしまうことを防止することができる。 The present invention has the following advantages.
That is, according to the present invention, it is possible to prevent a situation in which foreign matter gets in between the intermediate member and the fixed member from the rear.

本発明の実施形態に係るヒンジを具備する複合機を示す右側面図。FIG. 2 is a right side view showing a multifunction peripheral including a hinge according to an embodiment of the present invention. 同じく閉じ状態のヒンジを具備する複合機を示す拡大背面図。FIG. 4 is an enlarged rear view showing the multifunction peripheral having the hinge in the closed state. 同じくリフト状態のヒンジを具備する複合機を示す拡大背面図。FIG. 4 is an enlarged rear view showing the multifunction peripheral having the hinge in the lifted state. 同じくリフト状態のヒンジを具備する複合機の内部構造を示す拡大側面図。FIG. 4 is an enlarged side view showing the internal structure of the multifunction peripheral having the hinge in the lifted state. 同じく閉じ状態のヒンジを示す側面図。FIG. 同じく閉じ状態のヒンジを示す斜視図。FIG. 同じく開状態のヒンジを示す側面図。FIG. 同じく開状態のヒンジを示す斜視図。FIG. 同じくリフト状態のヒンジを示す側面図。FIG. 同じくリフト状態のヒンジを示す背面図。FIG. 13 is a rear view showing the hinge in the lifted state. 同じくリフト状態のヒンジを示す斜視図。FIG. 同じく閉じ状態のヒンジを示す側面断面図。FIG. 4 is a side cross-sectional view showing the hinge in a closed state. 同じく開状態のヒンジを示す側面断面図。FIG. 4 is a side cross-sectional view showing the hinge in an open state. 同じくリフト状態のヒンジを示す側面断面図。FIG. 11 is a side cross-sectional view showing the hinge in a lifted state. 同じくヒンジの第一スライダを示す斜視図。FIG. 4 is a perspective view showing a first slider of the hinge. 同じくヒンジの仕切部材と付勢部材とを示す斜視図。FIG. 4 is a perspective view showing a partition member and a biasing member of the hinge. 同じくヒンジの仕切部材と付勢部材とを示す斜視図。FIG. 4 is a perspective view showing a partition member and a biasing member of the hinge.

以下では図１を用いて事務機器の実施の一形態である複合機１について説明する。
複合機１は本体２および原稿圧着板３を具備する。本実施形態において、複合機１は、本発明の第一実施形態に係るヒンジ１００または本体２に対して原稿圧着板３を開閉可能とする開閉装置（以下「開閉装置」と称する）を具備する構成とするが、複合機１または開閉装置が後述する他の実施形態に係るヒンジまたは開閉装置を具備する構成とすることも可能である。 A multifunction machine 1, which is an embodiment of an office machine, will be described below with reference to FIG.
The multifunction machine 1 includes a main body 2 and an original cover 3. In this embodiment, the multifunction machine 1 includes a hinge 100 according to the first embodiment of the present invention or an opening/closing device (hereinafter referred to as an "opening/closing device") that enables the original cover 3 to be opened and closed relative to the main body 2, but the multifunction machine 1 or the opening/closing device may also include a hinge or an opening/closing device according to other embodiments described below.

本体２は本発明に係る第一連結対象物の実施の一形態である。
本体２は原稿読み取り装置、制御装置、印刷装置、表示装置および入力装置を具備する。
原稿読み取り装置は本体２の上面に配置される。原稿読み取り装置は本体２の上面に載置された原稿を読み取る（原稿の画像情報を生成する）。
制御装置は複合機１の各部の動作、より詳細には原稿読み取り装置、後述する印刷装置および後述するＡＤＦの動作を制御する。
また、制御装置は原稿読み取り装置が生成した画像情報および本体２に接続された回線（インターネット回線等）を通じて取得した画像情報を記憶することが可能である。
印刷装置は原稿読み取り装置の下方に配置される。印刷装置は制御装置が記憶した画像情報に基づいて所定の用紙に画像を印刷する。
表示装置は例えば液晶パネルからなり、複合機１の動作状況等に係る情報を表示する。
入力装置は例えばボタン、スイッチ等からなり、作業者が複合機１に対する指示等を入力する際に操作する。表示装置および入力装置は本体２の上面前部に配置される。 The main body 2 is an embodiment of a first connection object according to the present invention.
The main body 2 includes a document reading device, a control device, a printing device, a display device, and an input device.
The document reading device is disposed on the top surface of the main body 2. The document reading device reads a document placed on the top surface of the main body 2 (generates image information of the document).
The control device controls the operation of each part of the multifunction device 1, more specifically, the operation of the document reading device, the printing device (to be described later), and the ADF (to be described later).
The control device is also capable of storing image information generated by the document reading device and image information acquired via a line (such as an Internet line) connected to the main body 2 .
The printing device is disposed below the document reading device, and prints an image on a predetermined sheet of paper based on the image information stored by the control device.
The display device is, for example, a liquid crystal panel, and displays information relating to the operating status of the multifunction device 1 and the like.
The input device is comprised of, for example, buttons, switches, etc., which an operator operates to input instructions, etc. to the multifunction device 1. The display device and the input device are disposed on the front top surface of the main body 2.

原稿圧着板３は本発明に係る第二連結対象物の実施の一形態である。
原稿圧着板３は原稿読み取り装置の上に載置された原稿を原稿読み取り装置に向かって押さえつける（圧着する）ことにより、原稿読み取り装置が原稿を読み取る際に原稿が動く（原稿読み取り装置との相対的な位置が変化する）ことを防止する。
原稿圧着板３は読取前原稿収容トレイ、ＡＤＦ（Ａｕｔｏ Ｄｏｃｕｍｅｎｔ Ｆｅｅｄｅｒ）および読取後原稿収容トレイを具備する。
ＡＤＦは読取前原稿収容トレイに積層状態で収容された複数枚の原稿を一枚ずつ順に取り出して原稿読み取り装置の上の所定の読取位置に載置する。原稿読み取り装置による原稿の読み取りが終了した後、ＡＤＦは読取位置に載置された原稿を読取後原稿収容トレイに搬送する。 The original cover 3 is an embodiment of a second connection object according to the present invention.
The document pressure plate 3 presses (presses) the document placed on the document reading device against the document reading device, thereby preventing the document from moving (changing its position relative to the document reading device) when the document reading device reads the document.
The original cover 3 includes a tray for accommodating unread originals, an ADF (Auto Document Feeder), and a tray for accommodating read originals.
The ADF sequentially takes out the documents stored in a stacked state in the unread document storage tray one by one and places them at a predetermined reading position on the document reading device. After the document reading device finishes reading the documents, the ADF transports the documents placed at the reading position to the read document storage tray.

「事務機器」は、少なくとも原稿を読み取る（原稿の画像情報を取得する）機能を具備する装置を指す。
事務機器の具体例としては、（ａ）原稿を読み取る機能および読み取った原稿に係る画像情報を他の機器（例えば、パーソナルコンピュータ）に送信する機能を具備するスキャナー、（ｂ）原稿を読み取る機能、読み取った原稿に係る画像情報を通信回線を介して他の機器に送信する機能および他の機器から取得した画像情報をプリントアウトする機能を具備するファクス、（ｃ）原稿を読み取る機能および読み取った原稿に係る画像情報をプリントアウトする機能を具備するコピー機、（ｄ）上記スキャナー、ファクス、およびコピー機としての機能を兼ねる複合機、等が挙げられる。 The term "office equipment" refers to a device that has at least the function of reading an original (obtaining image information of the original).
Specific examples of office equipment include: (a) a scanner having a function of reading an original document and a function of transmitting image information related to the read original document to another device (e.g., a personal computer); (b) a fax having a function of reading an original document, a function of transmitting image information related to the read original document to another device via a communication line, and a function of printing out image information obtained from another device; (c) a copy machine having a function of reading an original document and a function of printing out image information related to the read original document; and (d) a multifunction machine that combines the functions of the above scanner, fax, and copy machine.

以下で詳述する実施形態に係るヒンジはいずれも複合機１の本体２に原稿圧着板３を開閉可能（回動可能）に連結する用途に用いられるが、本発明に係るヒンジの用途はこれに限定されない。
すなわち、本発明に係るヒンジは、「二つの部材のうちの一方の部材（第一連結対象物）に他方の部材（第二連結対象物）を開閉可能に連結する用途」に広く適用可能であり、例えば、スキャナー、ファクス、およびコピー機、若しくは複合機等のＯＡ機器、自動車、便座、または、炊飯器等の各種電子機器等に用いられる。ヒンジが二つの部材のうちの一方の部材に他方の部材を開閉可能に連結するものとして、例えば、プリンタの本体に回動可能に連結される扉部分、複合機の本体に回動可能に連結される原稿圧着装置、スタンドに回動可能に連結されるディスプレイ、便座に回動可能に連結される便座、自動車の車体に回動可能に連結されるボンネット等がある。 The hinges according to the embodiments described in detail below are all used to connect the original cover 3 to the main body 2 of the multifunction printer 1 in an openable/closable (rotatable) manner, but the use of the hinges according to the present invention is not limited to this.
That is, the hinge according to the present invention is widely applicable to "applications for connecting one of two members (first connection object) to the other member (second connection object) in an openable/closable manner", and is used in, for example, office equipment such as scanners, faxes, copiers, and multifunction machines, automobiles, toilet seats, and various electronic devices such as rice cookers, etc. Examples of hinges for connecting one of two members to the other member in an openable/closable manner include a door portion rotatably connected to the main body of a printer, an original pressing device rotatably connected to the main body of a multifunction machine, a display rotatably connected to a stand, a toilet seat rotatably connected to a toilet seat, and a bonnet rotatably connected to the body of an automobile.

以下の説明では、原稿圧着板３が閉じているとき（原稿圧着板３の下面が本体２の上面に当接しているとき）の原稿圧着板３の回動角度θ（より厳密には、本体２に対する原稿圧着板３の回動角度θ）を「０°」とし、原稿圧着板３が開く方向に回動した場合に回動角度θが増加する（回動角度θが正になる）ように原稿圧着板３の回動角度θを定義する（図１参照）。本実施形態において、本体２に対する原稿圧着板３の回動角度θは、後述する第二ウイング部材の第一ウイング部材に対する閉状態からの回動角度とも一致する。このため、本実施形態では双方とも「回動角度θ」と記載する。 In the following description, the rotation angle θ of the original pressure plate 3 when it is closed (when the lower surface of the original pressure plate 3 is in contact with the upper surface of the main body 2) (more precisely, the rotation angle θ of the original pressure plate 3 relative to the main body 2) is defined as "0°", and the rotation angle θ of the original pressure plate 3 is defined so that the rotation angle θ increases (the rotation angle θ becomes positive) when the original pressure plate 3 rotates in the opening direction (see FIG. 1). In this embodiment, the rotation angle θ of the original pressure plate 3 relative to the main body 2 also coincides with the rotation angle of the second wing member from the closed state relative to the first wing member, which will be described later. For this reason, in this embodiment, both are described as "rotation angle θ".

以下では、図１から図１７を用いて本発明に係るヒンジの一実施形態であるヒンジ１００について説明する。なお、開閉装置は、本体２に対して原稿圧着板３を開閉可能とする装置としてヒンジ１００を用いて構成したものを示す。
図１から図４に示すように、ヒンジ１００は複合機１の本体２に原稿圧着板３を回動可能に連結する。ヒンジ１００は、複合機１の本体２の後部及び原稿圧着板３の後部に配置される。
図２から図１４に示すように、ヒンジ１００は、下部固定部材１０、中間部材２０、第一回動軸７１、上部固定部材３０、第二回動軸７２、受圧部７３、第一スライダ４０、第二スライダ５０、一対のバネ部材６０、ダンパー６２、カム部材７５、及びフェンス部材７６を具備する。
以下では便宜上、原稿圧着板３が本体２に対して閉じているとき（回動角度θ＝０°のとき）の複合機１の上下方向、前後方向および左右方向を基準として（原稿圧着板３が本体２に対して閉じているときの複合機１の上下方向、前後方向および左右方向をそれぞれヒンジ１００の上下方向、前後方向および左右方向に対応させて）ヒンジ１００を構成する各部材の形状を説明する。 A hinge 100 according to an embodiment of the present invention will be described below with reference to Fig. 1 to Fig. 17. The opening and closing device is configured using the hinge 100 as a device that enables an original cover 3 to be opened and closed relative to a main body 2.
1 to 4, a hinge 100 rotatably connects an original cover 3 to a main body 2 of a multifunction machine 1. The hinge 100 is disposed at the rear of the main body 2 of the multifunction machine 1 and at the rear of the original cover 3.
As shown in Figures 2 to 14, the hinge 100 includes a lower fixed member 10, an intermediate member 20, a first rotating shaft 71, an upper fixed member 30, a second rotating shaft 72, a pressure-receiving portion 73, a first slider 40, a second slider 50, a pair of spring members 60, a damper 62, a cam member 75, and a fence member 76.
For convenience, the shapes of each component that constitutes hinge 100 will be described below based on the up-down, front-back and left-right directions of multifunction printer 1 when original cover 3 is closed relative to main body 2 (when rotation angle θ = 0°) (the up-down, front-back and left-right directions of multifunction printer 1 when original cover 3 is closed relative to main body 2 correspond to the up-down, front-back and left-right directions of hinge 100, respectively).

下部固定部材１０は本発明に係る第一ウイング部材の実施の一形態である。下部固定部材１０は複合機１の本体２に固定される。
下部固定部材１０は、一枚の金属板を適宜折り曲げることにより成形される。下部固定部材１０は底板１１、左右の側板１２・１２、および背板１３を具備する。 The lower fixing member 10 is an embodiment of a first wing member according to the present invention. The lower fixing member 10 is fixed to the main body 2 of the multifunction device 1.
The lower fixing member 10 is formed by appropriately bending a single metal plate. The lower fixing member 10 includes a bottom plate 11, left and right side plates 12, 12, and a back plate 13.

下部固定部材１０の底板１１は下部固定部材１０の下部を成す板状の部材である。底板１１の形状は平面視で前後方向にやや長い概ね長方形である。
下部固定部材１０の側板１２は下部固定部材１０における左右それぞれの側部を成す板状の部材である。側板１２は側面視で概ね前下がりの階段の如き形状を有する。側板１２の下端部は底板１１の端部に繋がっている（一枚の金属板を直角に折り曲げることにより、底板１１および側板１２・１２が形成される）。側板１２の後上端部には、第一回動軸７１を挿通するための貫通孔が開口される。側板１２の前上端部には、カム部材７５を挿通するための貫通孔が開口される。
下部固定部材１０の背板１３は下部固定部材１０の後部を成す板状の部材である。背板１３は前後一対の板面を有する。背板１３の形状は正面視で左右方向にやや長い概ね長方形である。
背板１３の下端部は底板１１の後端部に繋がっている（一枚の金属板を直角に折り曲げることにより、底板１１および背板１３が形成される）。 The bottom plate 11 of the lower fixing member 10 is a plate-like member that forms the lower part of the lower fixing member 10. The shape of the bottom plate 11 is a generally rectangular shape that is slightly longer in the front-rear direction in a plan view.
The side plates 12 of the lower fixing member 10 are plate-like members that form the left and right sides of the lower fixing member 10. The side plates 12 have a generally forward-sloping step-like shape in a side view. The lower end of the side plate 12 is connected to the end of the bottom plate 11 (the bottom plate 11 and the side plates 12, 12 are formed by bending a single metal plate at a right angle). A through hole is opened at the rear upper end of the side plate 12 for inserting the first rotating shaft 71 therethrough. A through hole is opened at the front upper end of the side plate 12 for inserting the cam member 75 therethrough.
The back plate 13 of the lower fixing member 10 is a plate-like member that forms the rear of the lower fixing member 10. The back plate 13 has a pair of front and rear plate surfaces. The shape of the back plate 13 is a generally rectangular shape that is slightly longer in the left-right direction when viewed from the front.
The lower end of the back plate 13 is connected to the rear end of the bottom plate 11 (the bottom plate 11 and the back plate 13 are formed by bending a single metal plate at a right angle).

中間部材２０は、一枚の金属板を適宜折り曲げることにより、天板２１及び左右の側板２２・２２で形成される部材である。中間部材２０は、天板２１が側板２２・２２の上部に配置され、天板２１の左右両側から側板２２・２２が下方に折り曲げられるようにして、正面視略コ字状に構成される。中間部材２０は、側板２２・２２の下端部が左右中央側に延出するようにそれぞれ折り曲げられるようにして、下方側の左右中央部が開口する箱状に構成される。中間部材２０は後述する如く第一スライダ４０、第二スライダ５０、バネ部材６０、ダンパー６２等を収容した状態で、第一回動軸７１を介して下部固定部材１０に回動可能に支持される。側板２２・２２の後部には、第一回動軸７１を挿通するための貫通孔が左右方向に開口されている。 The intermediate member 20 is a member formed of a top plate 21 and left and right side plates 22, 22 by appropriately bending a single metal plate. The intermediate member 20 is configured to be roughly U-shaped when viewed from the front, with the top plate 21 placed on the side plates 22, 22, and the side plates 22, 22 bent downward from both the left and right sides of the top plate 21. The intermediate member 20 is configured to be box-shaped with openings at the left and right central parts of the lower side, with the lower ends of the side plates 22, 22 bent so as to extend toward the left and right central parts. The intermediate member 20 is supported rotatably on the lower fixed member 10 via the first rotating shaft 71 in a state in which the first slider 40, the second slider 50, the spring member 60, the damper 62, etc. are housed as described below. A through hole for inserting the first rotating shaft 71 is opened in the left and right direction at the rear of the side plates 22, 22.

第一回動軸７１は、概ね円柱形状（ピン状）の部材である。
第一回動軸７１は、中間部材２０の側板２２・２２の貫通孔及び下部固定部材１０の側板１２の貫通孔に挿通される。中間部材２０は第一回動軸７１を介して下部固定部材１０に回動可能に連結される。 The first rotating shaft 71 is a generally cylindrical (pin-shaped) member.
The first rotating shaft 71 is inserted through the through hole of the side plates 22 of the intermediate member 20 and the through hole of the side plate 12 of the lower fixed member 10. The intermediate member 20 is rotatably connected to the lower fixed member 10 via the first rotating shaft 71.

上部固定部材３０は本発明に係る固定部材の実施の一形態であり、一枚の金属板を適宜折り曲げることにより、天板３１及び左右の側板３２・３２で形成される略筒状の部材である。上部固定部材３０は、天板３１が側板３２・３２の上部に配置され、天板３１の左右両側から側板３２・３２が下方に折り曲げられるようにして、正面視略コ字状に構成される。上部固定部材３０は後述する如く第二回動軸７２を介して中間部材２０に回動可能に支持される。上部固定部材３０は原稿圧着板３に固定される。
また、側板３２・３２には受圧部７３を取付けるための貫通孔が形成される。 The upper fixing member 30 is one embodiment of the fixing member according to the present invention, and is a substantially cylindrical member formed by appropriately bending one metal plate and including a top plate 31 and left and right side plates 32. The upper fixing member 30 is configured to be substantially U-shaped in front view, with the top plate 31 disposed above the side plates 32 and the side plates 32 being bent downward from both the left and right sides of the top plate 31. The upper fixing member 30 is rotatably supported by the intermediate member 20 via a second rotating shaft 72, as described later. The upper fixing member 30 is fixed to the original cover plate 3.
Further, a through hole for mounting the pressure receiving portion 73 is formed in the side plates 32 .

第二回動軸７２は、上部固定部材３０を中間部材２０に回動可能に連結する回動軸を成す部材である。第二回動軸７２は概ね円柱形状の部材であり、上部固定部材３０及び中間部材２０の前部に挿通される。その結果、上部固定部材３０は第二回動軸７２を介して中間部材２０に回動可能に連結される。 The second pivot shaft 72 is a member that forms a pivot shaft that rotatably connects the upper fixing member 30 to the intermediate member 20. The second pivot shaft 72 is a roughly cylindrical member that is inserted through the front parts of the upper fixing member 30 and the intermediate member 20. As a result, the upper fixing member 30 is rotatably connected to the intermediate member 20 via the second pivot shaft 72.

受圧部７３は、ピン状に構成される。受圧部７３は、側板３２・３２の貫通孔に挿通されて上部固定部材３０に固定される。受圧部７３のスライダ側（第二スライダ５０側）の面は、カム面として構成され、第二スライダ５０のカム当接部５２と当接する。
なお、受圧部７３は、ピン状のものに限定されるものではなく、板状の部材を折り曲げて構成すること等、他の構成とすることもできる。 The pressure receiving portion 73 is configured in a pin shape. The pressure receiving portion 73 is inserted into the through hole of the side plates 32 and fixed to the upper fixing member 30. The surface of the pressure receiving portion 73 on the slider side (the second slider 50 side) is configured as a cam surface and abuts against the cam abutment portion 52 of the second slider 50.
It should be noted that the pressure receiving portion 73 is not limited to a pin-shaped portion, but may have other configurations, such as a configuration formed by bending a plate-shaped member.

第一スライダ４０は本発明に係るスライド部材の実施の一形態である。第一スライダ４０は樹脂材料からなる。
第一スライダ４０は、有底に構成される本体４１と、本体４１の底部後面から後方（本体４１の外側）に突出するカム当接部４２とを備える。また、第一スライダ４０は、カム当接部４２の後面において、カム部材７５に当接するように構成される。第一スライダ４０（本体４１）にはバネ部材６０の後端部を収容するバネ受け穴が形成されている。第一スライダ４０は中間部材２０の内部における後部で前後方向に摺動可能に収容される。 The first slider 40 is an embodiment of a sliding member according to the present invention. The first slider 40 is made of a resin material.
The first slider 40 includes a main body 41 having a bottom, and a cam abutment portion 42 protruding rearward (outside the main body 41) from the rear surface of the bottom of the main body 41. The first slider 40 is configured to abut against the cam member 75 at the rear surface of the cam abutment portion 42. A spring receiving hole that accommodates the rear end portion of the spring member 60 is formed in the first slider 40 (main body 41). The first slider 40 is accommodated in the rear portion of the interior of the intermediate member 20 so as to be slidable in the front-rear direction.

第二スライダ５０は本発明に係るスライド部材の実施の一形態である。第二スライダ５０は樹脂材料からなる。
第二スライダ５０は後方が開口し前面に底部を備える。第二スライダ５０は、底部前面にカム当接部５２を備える。第二スライダ５０にはバネ部材６０の前端部を収容するバネ受け穴が形成されている。 The second slider 50 is an embodiment of a sliding member according to the present invention. The second slider 50 is made of a resin material.
The second slider 50 is open at the rear and has a bottom at the front. The second slider 50 has a cam abutment portion 52 at the front surface of the bottom. A spring receiving hole for accommodating the front end of the spring member 60 is formed in the second slider 50.

本実施形態では、「中間部材２０、上部固定部材３０、第一スライダ４０、第二スライダ５０、第二回動軸７２および受圧部７３を合わせたもの」が本発明に係る第二ウイング部材の実施の一形態に相当する。言い換えれば、本発明に係る第二ウイング部材の実施の一形態は、中間部材２０、上部固定部材３０、第一スライダ４０、第二スライダ５０、第二回動軸７２および受圧部７３を具備する。そして、上部固定部材３０が原稿圧着板３に固定されることにより、第二ウイング部材は第二連結対象物に固定される。 In this embodiment, the combination of the intermediate member 20, the upper fixed member 30, the first slider 40, the second slider 50, the second pivot shaft 72, and the pressure receiving portion 73 corresponds to one embodiment of the second wing member according to the present invention. In other words, one embodiment of the second wing member according to the present invention comprises the intermediate member 20, the upper fixed member 30, the first slider 40, the second slider 50, the second pivot shaft 72, and the pressure receiving portion 73. Then, the upper fixed member 30 is fixed to the original cover 3, and the second wing member is fixed to the second connection object.

第二ウイング部材は、第一ウイング部材に対して全開状態と閉状態との間で遷移する。第二ウイング部材が第一ウイング部材に最も近接した状態を第二ウイング部材の「閉状態」（原稿圧着板３が本体２に対して閉じている状態）とする（図５または図６参照）。閉状態とは、第二ウイング部材の第一ウイング部材に対する閉状態からの回動角度θが０°となる状態を指す。また、第二ウイング部材が第一ウイング部材から最も離間した状態を第二ウイング部材の「全開状態」とする。全開状態とは、原稿圧着板３が本体２に対して開いている状態であり、回動角度θが９０°となる状態を指す。また、閉状態と全開状態との間における第二ウイング部材の状態を、第二ウイング部材の「開状態」とする（図７または図８参照）。開状態とは、原稿圧着板３が本体２に対して開いている状態であり、回動角度θが０°＜θ＜９０°の関係を満たす状態を指す。
なお、第二ウイング部材の閉状態を回動角度θが０°であることに限定されず、第二ウイング部材の全開状態を回動角度θが９０°であることに限定されず、第二ウイング部材の閉状態の回動角度θまたは第二ウイング部材の全開状態の回動角度θについては、仕様や用途等に応じて他の角度に適宜設定することもできる。 The second wing member transitions between a fully open state and a closed state with respect to the first wing member . The state in which the second wing member is closest to the first wing member is the "closed state" of the second wing member (the original cover 3 is closed with respect to the main body 2) (see FIG. 5 or FIG. 6). The closed state refers to a state in which the rotation angle θ of the second wing member from the closed state with respect to the first wing member is 0°. Also, the state in which the second wing member is most distant from the first wing member is the "fully open state" of the second wing member. The fully open state refers to a state in which the original cover 3 is open with respect to the main body 2, and the rotation angle θ is 90°. Also, the state of the second wing member between the closed state and the fully open state is the "open state" of the second wing member (see FIG. 7 or FIG. 8). The open state refers to a state in which the original cover 3 is open with respect to the main body 2, and the rotation angle θ satisfies the relationship of 0°<θ<90°.
The closed state of the second wing member is not limited to a rotation angle θ of 0°, and the fully open state of the second wing member is not limited to a rotation angle θ of 90°. The rotation angle θ of the second wing member in the closed state or the rotation angle θ of the second wing member in the fully open state can be appropriately set to other angles depending on the specifications, applications, etc.

バネ部材６０は、付勢部材の実施の一形態であり、金属製の巻きバネ（圧縮バネ）で構成される。一対のバネ部材６０は、中間部材２０の内部（第一スライダ４０と第二スライダ５０とのバネ受け孔）に左右に並べて収容される。 The spring member 60 is one embodiment of a biasing member, and is made of a metal coil spring (compression spring). The pair of spring members 60 are housed side by side inside the intermediate member 20 (the spring receiving holes of the first slider 40 and the second slider 50).

バネ部材６０の後端部は第一スライダ４０に形成されたバネ受け穴に挿入されてバネ受け穴の底面に当接する。また、バネ部材６０の前端部は第二スライダ５０に形成されたバネ受け穴に挿入されてバネ受け穴の底面に当接する。 The rear end of the spring member 60 is inserted into a spring receiving hole formed in the first slider 40 and abuts against the bottom surface of the spring receiving hole. The front end of the spring member 60 is inserted into a spring receiving hole formed in the second slider 50 and abuts against the bottom surface of the spring receiving hole.

バネ部材６０が発生する付勢力、すなわち、圧縮される方向に弾性変形したバネ部材６０が元の形状（外力が作用していないときの形状）に戻ろうとする力（弾性力）により、第一スライダ４０は中間部材２０の長手方向のうち第一回動軸７１に接近する方向に付勢され、第二スライダ５０は中間部材２０の長手方向のうち受圧部７３に接近する方向に付勢される。 The spring member 60 generates a biasing force, i.e., the force (elastic force) that causes the spring member 60, which has been elastically deformed in the direction of compression, to return to its original shape (the shape when no external force is acting), biases the first slider 40 in the longitudinal direction of the intermediate member 20 in a direction approaching the first pivot shaft 71, and biases the second slider 50 in the longitudinal direction of the intermediate member 20 in a direction approaching the pressure-receiving portion 73.

ダンパー６２は、第一スライダ４０及び第二スライダ５０のバネ受け穴に収容されている。ダンパー６２の本体部は、第二スライダ５０の底部に固定され、その先端部が第一回動軸７１側に突出する。ダンパー６２は、第一スライダ４０の底部によって先端部が押圧力を受けたときに反力を発生させる。このため、当該反力により第一スライダ４０が移動する速度が小さくなり、ダンパー６２による緩衝効果が発生する。ダンパー６２は一般的な流体ダンパーで構成される。 The damper 62 is housed in the spring receiving holes of the first slider 40 and the second slider 50. The main body of the damper 62 is fixed to the bottom of the second slider 50, and its tip protrudes toward the first rotating shaft 71. The damper 62 generates a reaction force when the tip receives a pressing force from the bottom of the first slider 40. Therefore, the reaction force reduces the speed at which the first slider 40 moves, and a buffering effect is generated by the damper 62. The damper 62 is configured as a general fluid damper.

カム部材７５は樹脂材料からなり、ピン状に構成される。カム部材７５は、側板１２・１２の貫通孔に挿通されて第一回動軸７１よりも前方において下部固定部材１０に固定される。カム部材７５のスライダ側（第一スライダ４０側）の面は、カム面として構成され、第一スライダ４０のカム当接部４２に当接する。
なお、カム部材７５は、ピン状のものに限定されるものではなく、板状の部材を折り曲げて構成すること等、他の構成とすることもできる。 The cam member 75 is made of a resin material and is configured in a pin shape. The cam member 75 is inserted into a through hole of the side plates 12 and is fixed to the lower fixed member 10 forward of the first rotating shaft 71. The surface of the cam member 75 on the slider side (first slider 40 side) is configured as a cam surface and abuts against the cam abutment portion 42 of the first slider 40.
The cam member 75 is not limited to a pin-shaped member, but may have other configurations, such as a configuration formed by bending a plate-shaped member.

カム部材７５を下部固定部材１０に取付け、第二ウイング部材を閉状態とした際には、第一スライダ４０のカム当接部４２がカム部材７５に当接するとともに、第二スライダ５０のカム当接部５２が受圧部７３に当接する。その結果として、バネ部材６０に生じる弾性力により、中間部材２０（第二ウイング部材）は下部固定部材１０に対して開く方向に回動するように付勢され、上部固定部材３０は中間部材２０に対して閉じる方向に回動するように付勢される。この際、ダンパー６２の先端部は第二スライダ５０の底部によって押圧され、ダンパー６２の本体部側に押し込まれる。
また、第二ウイング部材を開状態とした際においても、第一スライダ４０のカム当接部４２がカム部材７５に当接するとともに、第二スライダ５０のカム当接部５２が受圧部７３に当接する。その結果として、バネ部材６０に生じる弾性力により、中間部材２０（第二ウイング部材）は下部固定部材１０に対して開く方向に回動するように付勢され、上部固定部材３０は中間部材２０に対して閉じる方向に回動するように付勢される。
また、第二ウイング部材を全開状態とした際においても、第一スライダ４０のカム当接部４２がカム部材７５に当接するとともに、第二スライダ５０のカム当接部５２が受圧部７３に当接する。その結果として、バネ部材６０に生じる弾性力により、中間部材２０（第二ウイング部材）は下部固定部材１０に対して開く方向に回動するように付勢され、上部固定部材３０は中間部材２０に対して閉じる方向に回動するように付勢される。
即ち、図４から図６に示すように、第一スライダ４０のカム当接部４２は、第二ウイング部材の回動角度θによらず、第二ウイング部材の閉状態から全開状態まで、カム部材７５に当接するように構成される。第二ウイング部材の閉状態から全開状態（第二ウイング部材の閉状態、開状態、及び全開状態）において、第一スライダ４０のカム当接部４２がカム部材７５に当接するとともに、第二スライダ５０のカム当接部５２が受圧部７３に当接する。バネ部材６０に生じる弾性力により、中間部材２０（第二ウイング部材）は下部固定部材１０に対して開く方向に回動するように付勢され、上部固定部材３０は中間部材２０に対して閉じる方向に回動するように付勢される。 When the cam member 75 is attached to the lower fixed member 10 and the second wing member is in the closed state, the cam abutment portion 42 of the first slider 40 abuts against the cam member 75, and the cam abutment portion 52 of the second slider 50 abuts against the pressure-receiving portion 73. As a result, due to the elastic force generated in the spring member 60, the intermediate member 20 (second wing member) is urged to rotate in an opening direction relative to the lower fixed member 10, and the upper fixed member 30 is urged to rotate in a closing direction relative to the intermediate member 20. At this time, the tip portion of the damper 62 is pressed by the bottom portion of the second slider 50 and is pushed toward the main body portion of the damper 62.
Also, when the second wing member is in the open state, the cam abutment portion 42 of the first slider 40 abuts against the cam member 75, and the cam abutment portion 52 of the second slider 50 abuts against the pressure-receiving portion 73. As a result, due to the elastic force generated in the spring member 60, the intermediate member 20 (second wing member) is urged to rotate in the opening direction relative to the lower fixed member 10, and the upper fixed member 30 is urged to rotate in the closing direction relative to the intermediate member 20.
Furthermore, even when the second wing member is in the fully open state, the cam abutment portion 42 of the first slider 40 abuts against the cam member 75, and the cam abutment portion 52 of the second slider 50 abuts against the pressure-receiving portion 73. As a result, due to the elastic force generated in the spring member 60, the intermediate member 20 (second wing member) is urged to rotate in the opening direction relative to the lower fixed member 10, and the upper fixed member 30 is urged to rotate in the closing direction relative to the intermediate member 20.
4 to 6, the cam abutment portion 42 of the first slider 40 is configured to abut against the cam member 75 from the closed state to the fully open state of the second wing member regardless of the rotation angle θ of the second wing member. When the second wing member is in the closed state to the fully open state (the closed state, the open state, and the fully open state of the second wing member), the cam abutment portion 42 of the first slider 40 abuts against the cam member 75, and the cam abutment portion 52 of the second slider 50 abuts against the pressure receiving portion 73. Due to the elastic force generated in the spring member 60, the intermediate member 20 (second wing member) is biased to rotate in the opening direction relative to the lower fixed member 10, and the upper fixed member 30 is biased to rotate in the closing direction relative to the intermediate member 20.

以上のように、第二ウイング部材の閉状態から全開状態まで、第一スライダ４０のカム当接部４２がカム部材７５に当接するように構成されて、バネ部材６０により第二ウイング部材の閉状態から全開状態まで第二ウイング部材が第一ウイング部材に対して開く方向に回動するように付勢されることから、バネ部材６０の困難な付勢力の調整を要さないものとすることができ、また、バネ部材６０によって第二ウイング部材が第一ウイング部材に対して開く方向に回動するように付勢するものを簡易な構成とすることができる。 As described above, the cam abutment portion 42 of the first slider 40 is configured to abut against the cam member 75 when the second wing member is in a closed state to a fully open state, and the spring member 60 biases the second wing member to rotate in an opening direction relative to the first wing member when the second wing member is in a closed state to a fully open state. This eliminates the need for difficult adjustments to the biasing force of the spring member 60, and also provides a simple configuration for biasing the second wing member to rotate in an opening direction relative to the first wing member by the spring member 60.

図２から図４に示すように、原稿圧着板３（第二連結対象物）は、カバー４を備える。
カバー４は、原稿圧着板３の側壁及び上側壁を構成する部材であって、フレームやボルト等の固定具によって固定される。カバー４は、切欠き部５を後部に備える。切欠き部５は、カバー４の後端部において下方に開放するように形成される。
カバー４内には固定フレーム等が配置され、固定フレームにヒンジ１００の上部固定部材３０がボルト等の固定具によって固定されることによって、ヒンジ１００が原稿圧着板３（第二連結対象物）に固定される。ヒンジ１００は、カバー４の内部に配置されて、カバー４の切欠き部５よりも前方に配置される。ヒンジ１００は、背面視でカバー４の切欠き部５から露出するように構成される。 As shown in FIGS. 2 to 4 , the original cover 3 (second connection object) has a cover 4 .
The cover 4 is a member that constitutes the side walls and the upper wall of the original cover 3, and is fixed by fasteners such as a frame or bolts. The cover 4 has a notch 5 at the rear. The notch 5 is formed at the rear end of the cover 4 so as to be open downward.
A fixing frame or the like is disposed within the cover 4, and an upper fixing member 30 of the hinge 100 is fixed to the fixing frame with a fastener such as a bolt, thereby fixing the hinge 100 to the original cover 3 (second connection object). The hinge 100 is disposed inside the cover 4, and disposed forward of the cutout portion 5 of the cover 4. The hinge 100 is configured so as to be exposed from the cutout portion 5 of the cover 4 in rear view.

図３、図４、図９から図１１、または図１４に示すように、下部固定部材１０に対して中間部材２０が開いた状態（例えば、下部固定部材１０に対して中間部材２０が２０度開いた状態）で、且つ、中間部材２０に対して上部固定部材３０が開いた状態（例えば、上部固定部材３０が下部固定部材１０に対して０度の状態）とすることができる。このような状態とすることによって、複合機１の本体２に対して原稿圧着板３を持ち上げた状態にして、本体２（本体２の上端のコンタクトガラス）と原稿圧着板３との間に比較的分厚い原稿を配置することができ、また、メンテナンスや点検等を行い易くする。
以下において、中間部材２０に対して上部固定部材３０が開いた状態を便宜上「リフト状態」とし、また、中間部材２０に対して上部固定部材３０が閉じた状態（中間部材２０と上部固定部材３０とが最も近接した状態）を便宜上「リフト解消状態」として説明する。 3, 4, 9 to 11, or 14, the intermediate member 20 can be in an open state relative to the lower fixed member 10 (for example, the intermediate member 20 is open at 20 degrees relative to the lower fixed member 10) and the upper fixed member 30 can be in an open state relative to the intermediate member 20 (for example, the upper fixed member 30 is at 0 degrees relative to the lower fixed member 10). By setting it in such a state, the document cover 3 can be raised relative to the main body 2 of the multifunction device 1, and a relatively thick document can be placed between the main body 2 (the contact glass at the upper end of the main body 2) and the document cover 3, and maintenance, inspection, and the like can be easily performed.
In the following, for convenience, the state in which the upper fixing member 30 is open relative to the intermediate member 20 will be referred to as the "lifted state", and the state in which the upper fixing member 30 is closed relative to the intermediate member 20 (the state in which the intermediate member 20 and the upper fixing member 30 are closest to each other) will be referred to as the "lift-released state".

図２、図５から図８、図１２、または図１３に示すように、リフト解消状態において、上部固定部材３０は、中間部材２０の外側を覆うように配置される。即ち、上部固定部材３０の天板３１は、中間部材２０の天板２１の上方に配置され、上部固定部材３０の側板３２・３２は、中間部材２０の側板２２・２２の左右外側に配置される。
また、リフト解消状態において、中間部材２０の天板２１と上部固定部材３０の天板３１との間には所定の空間が形成される。 2 , 5 to 8 , 12 , or 13 , in the lift-released state, the upper fixing member 30 is disposed so as to cover the outside of the intermediate member 20. That is, the top plate 31 of the upper fixing member 30 is disposed above the top plate 21 of the intermediate member 20, and the side plates 32, 32 of the upper fixing member 30 are disposed on the left and right outer sides of the side plates 22, 22 of the intermediate member 20.
In addition, in the lift-released state, a predetermined space is formed between the top plate 21 of the intermediate member 20 and the top plate 31 of the upper fixing member 30 .

図２から図１４に示すように、異物挟み防止部９０は、リフト状態において、中間部材２０及び上部固定部材３０の外側（ヒンジ１００の後方外側）から、中間部材２０と上部固定部材３０との間に異物（例えば工具や衣服や手指等）が入り込んで挟まることを防止する。
異物挟み防止部９０は、遮蔽部材９１を備える。 As shown in Figures 2 to 14, in the lifted state, the foreign object pinch prevention section 90 prevents a foreign object (e.g., tools, clothing, fingers, etc.) from entering and becoming pinched between the intermediate member 20 and the upper fixing member 30 from the outside of the intermediate member 20 and the upper fixing member 30 (the rear outside of the hinge 100).
The foreign object pinching prevention unit 90 includes a shielding member 91 .

異物挟み防止部９０の遮蔽部材９１は、一枚の金属素材からなる板状の部材である。遮蔽部材９１の左右幅は、中間部材２０または上部固定部材３０の左右幅と略同一に構成される。
遮蔽部材９１は、第二ウイング部材の閉状態、第二ウイング部材の開状態、また、リフト状態において、上部固定部材３０における第二回動軸７２が配置される側と反対側の端部（上部固定部材３０の後端部）の外側から下方に垂れ下がるようにして、上部固定部材３０の後端部の外側から中間部材２０における第二回動軸７２が配置される側と反対側の端部（下部固定部材１０の後上部または中間部材２０の後端部）の外側に亘って配置される。このようにして、遮蔽部材９１は、リフト状態において、中間部材２０及び上部固定部材３０の後方外側から見えないようにして、外側との空間を遮蔽するように構成される。また、リフト状態において、遮蔽部材９１は、中間部材２０の天板２１の上方から中間部材２０の後端部に亘って配置される。 The shielding member 91 of the foreign object pinching prevention portion 90 is a plate-shaped member made of a single piece of metal material. The left and right width of the shielding member 91 is configured to be substantially the same as the left and right width of the intermediate member 20 or the upper fixing member 30.
The shielding member 91 is arranged so as to hang downward from the outside of the end portion (rear end portion of the upper fixing member 30) opposite the side where the second pivot shaft 72 is arranged in the upper fixing member 30 in the closed state of the second wing member, the open state of the second wing member, and the lift state, from the outside of the rear end portion of the upper fixing member 30 to the outside of the end portion (rear upper portion of the lower fixing member 10 or the rear end portion of the intermediate member 20) opposite the side where the second pivot shaft 72 is arranged. In this way, the shielding member 91 is configured to block the space with the outside in the lift state so as not to be seen from the rear outside of the intermediate member 20 and the upper fixing member 30. Also, in the lift state, the shielding member 91 is arranged from above the top plate 21 of the intermediate member 20 to the rear end portion of the intermediate member 20.

遮蔽部材９１は、その一端部（上端部）が上部固定部材３０に支持されて、回動可能に構成される。遮蔽部材９１は、リフト状態において、中間部材２０及び上部固定部材３０の後方外側から見えないように外側との空間を遮蔽した状態（上部固定部材３０の後端部の外側から中間部材２０における第二回動軸７２が配置される側と反対側の端部に亘って配置された状態）が保持されるように（開かないように）構成される。 The shielding member 91 is configured to be rotatable with one end (upper end) supported by the upper fixed member 30. In the lifted state, the shielding member 91 is configured to be maintained (not to open) in a state in which it shields the space with the outside so that it cannot be seen from the rear outside of the intermediate member 20 and the upper fixed member 30 (a state in which it is positioned from the outside of the rear end of the upper fixed member 30 to the end of the intermediate member 20 opposite the side where the second pivot shaft 72 is positioned).

以上のように、異物挟み防止部９０における遮蔽部材９１は、リフト状態において、上部固定部材３０における第二回動軸７２が配置される側と反対側の端部（上部固定部材３０の後端部）の外側から上部固定部材３０の後端部の外側から中間部材２０における第二回動軸７２が配置される側と反対側の端部（中間部材２０の後端部）の外側に亘って配置されることから、異物挟み防止部９０は、リフト状態において、中間部材２０及び上部固定部材３０の外側から、中間部材２０と上部固定部材３０との間に異物（例えば工具や衣服や手指等）が入り込んで挟まることを防止することができる。 As described above, in the lifted state, the shielding member 91 in the foreign object pinch prevention unit 90 is arranged from the outside of the end portion opposite the side where the second pivot shaft 72 is located in the upper fixing member 30 (the rear end portion of the upper fixing member 30) to the outside of the rear end portion of the upper fixing member 30 to the outside of the end portion opposite the side where the second pivot shaft 72 is located in the intermediate member 20 (the rear end portion of the intermediate member 20). Therefore, in the lifted state, the foreign object pinch prevention unit 90 can prevent foreign objects (e.g., tools, clothing, fingers, etc.) from entering and being pinched between the intermediate member 20 and the upper fixing member 30 from the outside of the intermediate member 20 and the upper fixing member 30.

また以上のように、異物挟み防止部９０の遮蔽部材９１は、リフト状態において、上部固定部材３０の後端部の外側から中間部材２０における第二回動軸７２が配置される側と反対側の端部に亘って配置された状態が保持されるように構成されることから、中間部材２０と上部固定部材３０の後方外側から異物が入り込んでしまう状態となることを防止することができる。 As described above, the shielding member 91 of the foreign object pinch prevention unit 90 is configured to be maintained in a position extending from the outside of the rear end of the upper fixing member 30 to the end of the intermediate member 20 opposite the side where the second pivot shaft 72 is located in the intermediate member 20 in the lifted state, thereby preventing a foreign object from entering from the outside of the rear of the intermediate member 20 and the upper fixing member 30.

以上のように、異物挟み防止部９０の遮蔽部材９１は板状の部材であることから、例えば遮蔽部材９１がフィルム等の軟質素材やすだれ状のものように容易に変形する構成のように、リフト状態において、異物によって容易に押込まれて当該異物が入り込むことを防止することができる。 As described above, since the shielding member 91 of the foreign object pinch prevention unit 90 is a plate-shaped member, in the lifted state, it can be prevented from being easily pushed in by a foreign object and entering the device, for example by configuring the shielding member 91 to be easily deformed like a soft material such as a film or a blind-like member.

異物挟み防止部９０の遮蔽部材９１は、左右一対の突出片９２・９２と、左右一対の留め部９４・９４と、を備える。 The shielding member 91 of the foreign object pinch prevention unit 90 has a pair of left and right protruding pieces 92, 92 and a pair of left and right fastening parts 94, 94.

異物挟み防止部９０の遮蔽部材９１の一対の突出片９２は、遮蔽部材９１における上端部の前面の左右縁部からそれぞれ前方に突出する平板状に構成される。突出片９２には、左右方向外側に突出する略円柱状の凸部９３が設けられる。
上部固定部材３０は、遮蔽部材９１を回動可能に支持する一対の支持部３３・３３を備える。上部固定部材３０の支持部３３は、側板３２に連接されて、側板３２の後端部からそれぞれ後方に突出する平板状に構成される。支持部３３は、天板３１よりも上方に位置するようにその後部が上方に突出して、側面視略Ｌ字状に構成される。支持部３３には、その天板３１よりも上方の位置に貫通孔が形成される。
前記上部固定部材３０の支持部３３の貫通孔には遮蔽部材９１の凸部９３が挿通されて、遮蔽部材９１の一端部（上端部）が上部固定部材３０に支持されて、遮蔽部材９１は上部固定部材３０に対して回動可能に構成される。遮蔽部材９１の凸部９３は、遮蔽部材９１が上部固定部材３０に対して回動する際の回動軸心として構成される。 The pair of protruding pieces 92 of the shielding member 91 of the foreign object pinching prevention portion 90 are formed in a flat plate shape protruding forward from the left and right edges of the front surface of the upper end portion of the shielding member 91. The protruding pieces 92 are provided with a substantially cylindrical convex portion 93 that protrudes outward in the left-right direction.
The upper fixing member 30 includes a pair of support parts 33, 33 that rotatably support the shielding member 91. The support parts 33 of the upper fixing member 30 are connected to the side plates 32 and are configured as flat plates that respectively protrude rearward from the rear ends of the side plates 32. The support parts 33 are configured in a generally L-shape in side view, with their rear parts protruding upward so as to be located above the top plate 31. A through hole is formed in the support part 33 at a position above the top plate 31.
A protrusion 93 of the shielding member 91 is inserted into the through hole of the support portion 33 of the upper fixing member 30, and one end (upper end) of the shielding member 91 is supported by the upper fixing member 30, so that the shielding member 91 is configured to be rotatable relative to the upper fixing member 30. The protrusion 93 of the shielding member 91 is configured as a rotation axis when the shielding member 91 rotates relative to the upper fixing member 30.

異物挟み防止部９０の遮蔽部材９１の留め部９４は、上部固定部材３０の後端部の外側から中間部材２０における第二回動軸７２が配置される側と反対側の端部に亘って配置された状態が保持されるように遮蔽部材９１を留める。遮蔽部材９１の一対の留め部９４・９４は、遮蔽部材９１における他端部（下端部）の前面の左部及び右部からそれぞれ前方に突出し、当該突出側端部（前部）が左右方向外側に突出して構成される。遮蔽部材９１の留め部９４は、突出側端部（前部）が左右方向外側に突出する部分において前記下部固定部材１０の突出部１４に引っ掛かるように構成される。
下部固定部材１０は、遮蔽部材９１の一対の留め部９４・９４がそれぞれ引っ掛かるように構成される一対の突出部１４・１４を備える。下部固定部材１０の突出部１４は、側板１２に連接されて、側板１２の後端部から左右方向内側に突出する平板状に構成される。下部固定部材１０の突出部１４は、遮蔽部材９１の留め部９４（突出側端部の後方部分）の外側に位置し、遮蔽部材９１の留め部９４と当接する。遮蔽部材９１の留め部９４の突出側端部の外側に突出する部分は、下部固定部材１０の突出部１４の前方に位置し、遮蔽部材９１の留め部９４の前面に当接する。下部固定部材１０の突出部１４は、下部固定部材１０の下端部近傍から第一回動軸７１の上方に亘って配置される。
異物挟み防止部９０の遮蔽部材９１は、第二ウイング部材の閉状態、第二ウイング部材の開状態、また、リフト状態において、遮蔽部材９１の留め部９４が下部固定部材１０の突出部１４に引っ掛かるようにして、上部固定部材３０の後端部の外側から中間部材２０における第二回動軸７２が配置される側と反対側の端部に亘って配置された状態が保持される。 The fastening portion 94 of the shielding member 91 of the foreign object pinching prevention portion 90 fastens the shielding member 91 so as to maintain a state in which it is disposed from the outside of the rear end portion of the upper fixing member 30 to the end portion of the intermediate member 20 opposite the side where the second pivot shaft 72 is disposed. The pair of fastening portions 94, 94 of the shielding member 91 protrude forward from the left and right portions, respectively, of the front surface of the other end portion (lower end portion) of the shielding member 91, and the protruding side end portion (front portion) protrudes outward in the left-right direction. The fastening portion 94 of the shielding member 91 is configured so as to hook onto the protruding portion 14 of the lower fixing member 10 at the portion where the protruding side end portion (front portion) protrudes outward in the left-right direction.
The lower fixing member 10 includes a pair of protruding portions 14, 14 configured to hook the pair of fastening portions 94, 94 of the shielding member 91, respectively. The protruding portion 14 of the lower fixing member 10 is connected to the side plate 12 and configured as a flat plate that protrudes inward in the left-right direction from the rear end of the side plate 12. The protruding portion 14 of the lower fixing member 10 is located outside the fastening portion 94 (rear portion of the protruding side end) of the shielding member 91 and abuts against the fastening portion 94 of the shielding member 91. The portion of the fastening portion 94 of the shielding member 91 that protrudes outward from the protruding side end is located in front of the protruding portion 14 of the lower fixing member 10 and abuts against the front surface of the fastening portion 94 of the shielding member 91. The protruding portion 14 of the lower fixing member 10 is disposed from the vicinity of the lower end of the lower fixing member 10 to above the first pivot shaft 71.
When the second wing member is in the closed state, the second wing member is in the open state, and also in the lifted state, the shielding member 91 of the foreign object pinch prevention portion 90 is maintained in a position extending from the outside of the rear end portion of the upper fixing member 30 to the end portion opposite the side where the second pivot shaft 72 of the intermediate member 20 is located, with the fastening portion 94 of the shielding member 91 hooked onto the protrusion 14 of the lower fixing member 10.

以上のように、異物挟み防止部９０の遮蔽部材９１は、第二ウイング部材の閉状態、第二ウイング部材の開状態、また、リフト状態において、遮蔽部材９１の留め部９４が下部固定部材１０の突出部１４に引っ掛かるようにして、上部固定部材３０の後端部の外側から中間部材２０における第二回動軸７２が配置される側と反対側の端部に亘って配置された状態が保持されることから、ヒンジ１００の後方外側から異物が入り込んでしまう状態となることを防止することができる。 As described above, when the second wing member is in the closed state, the second wing member is in the open state, and also in the lifted state, the shielding member 91 of the foreign object pinch prevention portion 90 is maintained in a position extending from the outside of the rear end portion of the upper fixing member 30 to the end portion opposite the side on which the second pivot shaft 72 of the intermediate member 20 is located, with the fastening portion 94 of the shielding member 91 hooked onto the protrusion 14 of the lower fixing member 10, thereby preventing foreign objects from entering from the outside at the rear of the hinge 100 .

以上のように、異物挟み防止部９０の遮蔽部材９１の留め部９４は、遮蔽部材９１の内側の面から突出し、当該突出側端部が左右方向外側に突出して構成されて、前記突出側端部の外側に突出する部分において、前記下部固定部材１０に引っ掛かるように構成されることから、簡易な構成で遮蔽部材９１が上部固定部材３０の後端部の外側から中間部材２０における第二回動軸７２が配置される側と反対側の端部に亘って配置された状態が保持されるものとすることができる。 As described above, the fastening portion 94 of the shielding member 91 of the foreign object pinch prevention portion 90 protrudes from the inner surface of the shielding member 91, and the protruding side end is configured to protrude outward in the left-right direction, and the part of the protruding side end that protrudes outward is configured to hook onto the lower fixed member 10. Therefore, with a simple configuration, the shielding member 91 can be maintained in a state positioned from the outside of the rear end of the upper fixed member 30 to the end opposite the side on which the second pivot shaft 72 of the intermediate member 20 is positioned.

以上のように、下部固定部材１０の突出部１４は、異物挟み防止部９０の遮蔽部材９１の留め部９４が引っ掛かるように構成されるものであり、下部固定部材１０の下端部近傍から第一回動軸７１の上方に亘って配置されることから、簡易な構成で遮蔽部材９１が上部固定部材３０の後端部の外側から中間部材２０における第二回動軸７２が配置される側と反対側の端部に亘って配置された状態が保持されるものとすることができる。 As described above, the protrusion 14 of the lower fixing member 10 is configured to hook onto the fastening portion 94 of the shielding member 91 of the foreign object pinch prevention portion 90, and is positioned from near the lower end of the lower fixing member 10 to above the first pivot shaft 71, so that the shielding member 91 can be maintained in a state in which it is positioned from the outside of the rear end of the upper fixing member 30 to the end of the intermediate member 20 opposite the side on which the second pivot shaft 72 is positioned, with a simple configuration.

下部固定部材１０の突出部１４は、側板１２の上端からさらに上方に突出するように構成される。下部固定部材１０の突出部１４は、その上端部に左右方向内側に突出するように構成されるストッパ１５を備える。下部固定部材１０のストッパ１５は、中間部材２０に対して上部固定部材３０が開く方向に開度してリフト状態とされるときに、リフト状態において、異物挟み防止部９０の遮蔽部材９１の留め部９４が当接して、遮蔽部材９１の留め部９４が下部固定部材１０の突出部１４に引っ掛かった状態から脱落することを防止する。 The protrusion 14 of the lower fixing member 10 is configured to protrude further upward from the upper end of the side plate 12. The protrusion 14 of the lower fixing member 10 is provided with a stopper 15 configured to protrude inward in the left-right direction at its upper end. When the upper fixing member 30 is opened in the opening direction relative to the intermediate member 20 to be in the lifted state, the stopper 15 of the lower fixing member 10 abuts against the fastening portion 94 of the shielding member 91 of the foreign object pinching prevention portion 90 in the lifted state, thereby preventing the fastening portion 94 of the shielding member 91 from falling off from the state in which it is caught on the protrusion 14 of the lower fixing member 10.

以上のように、下部固定部材１０の突出部１４のストッパ１５は、中間部材２０に対して上部固定部材３０が開く方向に開度してリフト状態とされるときに異物挟み防止部９０の遮蔽部材９１の留め部９４が当接して、遮蔽部材９１の留め部９４が下部固定部材１０の突出部１４に引っ掛かった状態から脱落することを防止することから、簡易な構成で遮蔽部材９１が下部固定部材１０の後端部の外側から中間部材２０における第二回動軸７２が配置される側と反対側の端部に亘って配置された状態が保持されるものとすることができる。 As described above, the stopper 15 of the protrusion 14 of the lower fixed member 10 abuts the fastening portion 94 of the shielding member 91 of the foreign object pinch prevention portion 90 when the upper fixed member 30 is opened in the opening direction relative to the intermediate member 20 to be in the lifted state, preventing the fastening portion 94 of the shielding member 91 from falling off from the state in which it is hooked on the protrusion 14 of the lower fixed member 10.Therefore, with a simple configuration, the shielding member 91 can be maintained in a state in which it is positioned from the outside of the rear end of the lower fixed member 10 to the end of the intermediate member 20 opposite the side on which the second pivot shaft 72 is positioned.

また、異物挟み防止部９０の遮蔽部材９１の留め部９４は、遮蔽部材９１の左右から突出しないように構成される。このため、遮蔽部材９１が下部固定部材１０の後端部の外側から中間部材２０における第二回動軸７２が配置される側と反対側の端部に亘って配置された状態が保持されるものとすることができる。 Furthermore, the fastening portion 94 of the shielding member 91 of the foreign object pinching prevention portion 90 is configured so as not to protrude from the left and right sides of the shielding member 91. Therefore, the shielding member 91 can be maintained in a state in which it is disposed from the outside of the rear end portion of the lower fixed member 10 to the end portion of the intermediate member 20 opposite to the side where the second rotating shaft 72 is disposed.

異物挟み防止部９０の遮蔽部材９１の上端位置は、第二ウイング部材の閉状態、第二ウイング部材の開状態、また、リフト状態において、遮蔽部材９１が上部固定部材３０に対して回動する際の回動軸心（遮蔽部材９１の凸部９３）よりも上方に位置するように構成される。このため、遮蔽部材９１の上端位置を原稿圧着板３（第二連結対象物）のカバー４の切欠き部５の上端により近接させた状態とすることができ、原稿圧着板３（第二連結対象物）のカバー４の切欠き部５内に異物が入り込むことをより確実に防止することができる。 The upper end position of the shielding member 91 of the foreign object pinching prevention unit 90 is configured to be located above the rotation axis (convex portion 93 of the shielding member 91) when the shielding member 91 rotates relative to the upper fixed member 30 in the closed state of the second wing member, the open state of the second wing member, and the lifted state. This allows the upper end position of the shielding member 91 to be brought closer to the upper end of the notch portion 5 of the cover 4 of the original press plate 3 (second connected object), and more reliably prevents foreign objects from entering the notch portion 5 of the cover 4 of the original press plate 3 (second connected object).

異物挟み防止部９０の遮蔽部材９１は、第二ウイング部材の開状態、また、リフト状態において、上後下前に傾斜（遮蔽部材９１の上部が中間部材２０が配置される側と反対方向に傾斜）するように構成される。
このため、遮蔽部材９１の上端位置を原稿圧着板３（第二連結対象物）のカバー４の切欠き部５の上端により近接させた状態として、原稿圧着板３のカバー４の切欠き部５を遮蔽するようにして、原稿圧着板３（第二連結対象物）のカバー４の切欠き部５内に異物が入り込むことをより確実に防止することができる。 The shielding member 91 of the foreign object pinch prevention portion 90 is configured so as to incline from top to bottom to front when the second wing member is in the open state or in the lifted state (the upper part of the shielding member 91 inclines in the opposite direction to the side on which the intermediate member 20 is positioned).
As a result, the upper end position of the shielding member 91 is brought closer to the upper end of the cutout portion 5 of the cover 4 of the original pressing plate 3 (second connecting object) to shield the cutout portion 5 of the cover 4 of the original pressing plate 3, thereby more reliably preventing foreign objects from entering the cutout portion 5 of the cover 4 of the original pressing plate 3 (second connecting object).

異物挟み防止部９０の遮蔽部材９１は、その前面縁部（内側の面）の少なくとも一部において、前方に若干突出する凸条部９５を備える。遮蔽部材９１の凸条部９５は、遮蔽部材９１の前面の上縁部、及び、左右縁部に設けられる。遮蔽部材９１の凸条部９５は、ヒンジ１００の内部の露出する部分を極力低減させるものであり、このように構成されることによってヒンジ１００を比較的難燃性の高い構成とすることができる。 The shielding member 91 of the foreign object pinch prevention unit 90 has a protruding ridge 95 that protrudes slightly forward on at least a portion of its front edge (inner surface). The protruding ridges 95 of the shielding member 91 are provided on the upper edge and left and right edges of the front surface of the shielding member 91. The protruding ridges 95 of the shielding member 91 reduce the exposed portion of the inside of the hinge 100 as much as possible, and by being configured in this way, the hinge 100 can be configured to have relatively high flame retardancy.

異物挟み防止部９０の遮蔽部材９１は、下部固定部材１０の左右幅よりも大きく構成され、下方に行くに従って末広がりとなる略錐台状に形成される。このように、遮蔽部材９１は、下方に行くに従って末広がりとなるように構成されて遮蔽部材９１の形状を原稿圧着板３（第二連結対象物）のカバー４の切欠き部５の形状により沿ったものとすることで、原稿圧着板３（第二連結対象物）のカバー４の切欠き部５内に異物が入り込むことをより確実に防止することができる。 The shielding member 91 of the foreign object pinching prevention portion 90 is configured to be larger than the left-right width of the lower fixed member 10, and is formed in a generally frustum shape that widens toward the bottom. In this way, the shielding member 91 is configured to widen toward the bottom, and the shape of the shielding member 91 is made to more closely match the shape of the notch 5 of the cover 4 of the original pressure plate 3 (second connection object), so that it is possible to more reliably prevent foreign objects from entering the notch 5 of the cover 4 of the original pressure plate 3 (second connection object).

図１２から図１７に示すように、ヒンジ１００は、仕切部材８０と、付勢部材８５と、を備える。 As shown in Figures 12 to 17, the hinge 100 includes a partition member 80 and a biasing member 85.

仕切部材８０は、下部固定部材１０（第一ウイング部材）内に配置され、下部固定部材１０内の空間を上下に仕切るように構成される。仕切部材８０は、カム部材７５及び第一回動軸７１が下方（第一ウイング部材と反対側）から見て露出しないように（下方から見えないように）構成される。
仕切部材８０は、一枚の金属板に適宜折り曲げ加工を施すことにより構成される。仕切部材８０は、左右一対の側板部８１・８１と、側板部８１・８１に連接される仕切部８２と、を備える。仕切部材８０の側板部８１と仕切部８２とはそれぞれ平板状に構成される。左右一対の側板部８１・８１は、仕切部８２の左端部または右端部からそれぞれ上方に突出するように構成される。仕切部材８０は、正面視で略Ｕ字状に構成される。 The partition member 80 is disposed within the lower fixed member 10 (first wing member) and is configured to divide the space within the lower fixed member 10 into upper and lower parts. The partition member 80 is configured so that the cam member 75 and the first rotating shaft 71 are not exposed (not visible from below) when viewed from below (the side opposite to the first wing member).
The partition member 80 is formed by appropriately bending a single metal plate. The partition member 80 includes a pair of left and right side plate portions 81, 81 and a partition portion 82 connected to the side plate portions 81, 81. The side plate portions 81 and the partition portion 82 of the partition member 80 are each formed in a flat plate shape. The pair of left and right side plate portions 81, 81 are each formed to protrude upward from the left end portion or the right end portion of the partition portion 82. The partition member 80 is formed in a substantially U-shape when viewed from the front.

仕切部材８０の一対の側板部８１・８１は、下部固定部材１０の一対の側板１２・１２の内側において一対の側板１２・１２に近接するようにそれぞれ配置される。仕切部材８０の側板部８１の前部には、カム部材７５を挿通するための貫通孔が開口され、仕切部材８０の側板部８１の後部には、第一回動軸７１を挿通するための貫通孔が開口される。仕切部材８０は、側板部８１の前部の貫通孔にカム部材７５が挿通され、側板部８１の後部の貫通孔に第一回動軸７１が挿通されて、下部固定部材１０（下部固定部材１０内）に固定される。 The pair of side plate portions 81, 81 of the partition member 80 are disposed so as to be adjacent to the pair of side plates 12, 12 inside the pair of side plates 12, 12 of the lower fixing member 10. A through hole for inserting the cam member 75 is opened in the front portion of the side plate portion 81 of the partition member 80, and a through hole for inserting the first rotating shaft 71 is opened in the rear portion of the side plate portion 81 of the partition member 80. The partition member 80 is fixed to the lower fixing member 10 (inside the lower fixing member 10) with the cam member 75 inserted through the through hole in the front portion of the side plate portion 81 and the first rotating shaft 71 inserted through the through hole in the rear portion of the side plate portion 81.

仕切部材８０の仕切部８２は、カム部材７５（カム部材７５の下部）から下部固定部材１０の背板１３（第一回動軸７１の下方）に亘るように配置される。また、仕切部材８０の仕切部８２は、下部固定部材１０の左右の側板１２・１２に亘って配置されて、一対の側板部８１・８１（側板部８１・８１の下部）を連結するように構成される。仕切部材８０の仕切部８２は、下部固定部材１０に取付けられた状態で、カム部材７５及び第一回動軸７１の下方に配置される。仕切部材８０の仕切部８２は、下部固定部材１０内において、カム部材７５及び第一回動軸７１が配置される側（上方側）とカム部材７５及び第一回動軸７１が配置される側と反対側（下方側）とを仕切る。カム部材７５及び第一回動軸７１が下方（第一ウイング部材と反対側）から見て露出しないように、カム部材７５及び第一回動軸７１等の下方に配置される。 The partition portion 82 of the partition member 80 is disposed so as to extend from the cam member 75 (the lower portion of the cam member 75) to the back plate 13 of the lower fixing member 10 (below the first pivot shaft 71). The partition portion 82 of the partition member 80 is disposed so as to extend across the left and right side plates 12 of the lower fixing member 10 and is configured to connect a pair of side plate portions 81 (lower portions of the side plate portions 81). The partition portion 82 of the partition member 80 is disposed below the cam member 75 and the first pivot shaft 71 in a state where it is attached to the lower fixing member 10. The partition portion 82 of the partition member 80 separates the side (upper side) where the cam member 75 and the first pivot shaft 71 are disposed from the side (lower side) opposite to the side where the cam member 75 and the first pivot shaft 71 are disposed within the lower fixing member 10. The first wing member 72 is disposed below the cam member 75 and the first rotating shaft 71 so that the cam member 75 and the first rotating shaft 71 are not exposed when viewed from below (the side opposite to the first wing member).

このように、仕切部材８０の仕切部８２は、下部固定部材１０内に配置され、カム部材７５及び第一回動軸７１が下方（下部固定部材１０の底板１１側）から見て露出しないように構成される。
このため、ヒンジ１００の内部の露出する部分を低減させて、ヒンジ１００を比較的難燃性の高い構成とすることができる。 In this way, the partition portion 82 of the partition member 80 is disposed within the lower fixed member 10 and configured so that the cam member 75 and the first rotating shaft 71 are not exposed when viewed from below (the bottom plate 11 side of the lower fixed member 10).
Therefore, the exposed portion of the inside of the hinge 100 can be reduced, and the hinge 100 can be configured to have a relatively high flame retardancy.

第二ウイング部材の第一ウイング部材に対する閉状態からの回動角度θが０°から所定の角度である保持角度φまでの所定の領域にある状態（０度≦θ≦φの状態）、即ち、複合機１の本体２に対する原稿圧着板３の回動角度θが０°から保持角度φまでの範囲においては、作業者が原稿圧着板３から手を離した場合には第二ウイング部材の回動角度θが保持される。例えば、保持角度φは６０°（回動角度θ＝保持角度φ＝６０°）に設定されている。なお、保持角度φは６０°以外の他の角度に設定することも可能である。 When the rotation angle θ of the second wing member relative to the first wing member from the closed state is in a predetermined range from 0° to a predetermined angle, the holding angle φ (a state where 0°≦θ≦φ), that is, when the rotation angle θ of the document cover 3 relative to the main body 2 of the multifunction printer 1 is in the range from 0° to the holding angle φ, the rotation angle θ of the second wing member is maintained when the operator releases his/her hand from the document cover 3. For example, the holding angle φ is set to 60° (rotation angle θ = holding angle φ = 60°). Note that the holding angle φ can also be set to an angle other than 60°.

付勢部材８５は、仕切部材８０に取付けられて、下部固定部材１０（第一ウイング部材）内に配置される。
付勢部材８５は、第二ウイング部材の回動角度θが保持される保持角度φ（回動角度θ＝６０°）近傍において、カム部材７５に当接する。
付勢部材８５は、カム部材７５に当接することによって、バネ部材６０によって開く方向に回動するように付勢される第二ウイング部材に対して第二ウイング部材を閉じる方向に付勢して、上部固定部材３０に固定された原稿圧着板３（第二連結対象物）の自重に起因して第二ウイング部材を閉じようとする回転力と、バネ部材６０の付勢力に起因して第二ウイング部材を開こうとする回転力と、が概ね平衡した状態を保持する。
付勢部材８５は、閉状態においては、カム部材７５に当接せず、第二ウイング部材を閉じる方向に付勢しない。付勢部材８５は、第二ウイング部材が閉状態から開く方向に回動して、回動角度θが保持される保持角度φ（回動角度θ＝６０°）近傍になると、カム部材７５に当接して、第二ウイング部材を閉じる方向に付勢する。付勢部材８５は、第二ウイング部材の回動角度θが保持角度φから全開状態にわたって、カム部材７５に当接して、第二ウイング部材を閉じる方向に付勢する。 The biasing member 85 is attached to the partition member 80 and disposed within the lower fixing member 10 (first wing member).
The biasing member 85 comes into contact with the cam member 75 in the vicinity of the holding angle φ (rotation angle θ=60°) at which the rotation angle θ of the second wing member is held.
By abutting against the cam member 75, the biasing member 85 biases the second wing member in a closing direction relative to the second wing member which is biased by the spring member 60 to rotate in an opening direction, thereby maintaining a state in which the rotational force tending to close the second wing member due to the weight of the original pressure plate 3 (second connection object) fixed to the upper fixed member 30 and the rotational force tending to open the second wing member due to the biasing force of the spring member 60 are roughly balanced.
In the closed state, the biasing member 85 does not come into contact with the cam member 75 and does not bias the second wing member in the closing direction. When the second wing member rotates from the closed state in the opening direction and approaches the holding angle φ (rotation angle θ = 60°) at which the rotation angle θ is held, the biasing member 85 comes into contact with the cam member 75 and biases the second wing member in the closing direction. When the rotation angle θ of the second wing member ranges from the holding angle φ to the fully open state, the biasing member 85 comes into contact with the cam member 75 and biases the second wing member in the closing direction.

第一スライダ４０のカム当接部４２またはカム部材７５のカム面の形状等は、付勢部材８５がカム部材７５に当接した状態において、上部固定部材３０に固定された原稿圧着板３の自重に起因して第二ウイング部材を閉じようとする回転力と、バネ部材６０の付勢力に起因して第二ウイング部材を開こうとする回転力と、が概ね平衡するように、予め定められる。 The shape of the cam contact portion 42 of the first slider 40 or the cam surface of the cam member 75 is determined in advance so that when the biasing member 85 is in contact with the cam member 75, the rotational force that tries to close the second wing member due to the weight of the original cover plate 3 fixed to the upper fixed member 30 and the rotational force that tries to open the second wing member due to the biasing force of the spring member 60 are roughly balanced.

以上のように、付勢部材８５が、第二ウイング部材の回動角度θが保持される保持角度φ近傍において、カム部材７５に当接することによって、バネ部材６０によって開く方向に回動するように付勢される第二ウイング部材に対して第二ウイング部材を閉じる方向に付勢して、上部固定部材３０（第二ウイング部材）に固定された原稿圧着板３（第二連結対象物）の自重に起因して第二ウイング部材を閉じようとする回転力と、バネ部材６０の付勢力に起因して第二ウイング部材を開こうとする回転力と、が概ね平衡した状態を保持する。
このため、ヒンジ１００では、第二ウイング部材に固定された第二連結対象物の自重に起因して第二ウイング部材を閉じようとする回転力と、バネ部材６０の付勢力に起因して第二ウイング部材を開こうとする回転力と、が概ね平衡した状態とを保持された状態を安定させることができる。 As described above, when the biasing member 85 abuts against the cam member 75 near the holding angle φ at which the rotation angle θ of the second wing member is maintained, the second wing member is biased by the spring member 60 to rotate in the opening direction, and the second wing member is biased in the closing direction, thereby maintaining a state in which the rotational force attempting to close the second wing member due to the weight of the original pressure plate 3 (second connection object) fixed to the upper fixed member 30 (second wing member) and the rotational force attempting to open the second wing member due to the biasing force of the spring member 60 are roughly balanced.
Therefore, the hinge 100 can stabilize a state in which the rotational force tending to close the second wing member due to the weight of the second connection object fixed to the second wing member and the rotational force tending to open the second wing member due to the biasing force of the spring member 60 are maintained in a roughly balanced state.

また、付勢部材８５は、第二ウイング部材の回動角度θが保持角度φから全開状態にわたって、カム部材７５に当接することによって、バネ部材６０によって開く方向に回動するように付勢される第二ウイング部材に対して第二ウイング部材を閉じる方向に付勢して、上部固定部材３０（第二ウイング部材）に固定された原稿圧着板３（第二連結対象物）の自重に起因して第二ウイング部材を閉じようとする回転力と、バネ部材６０の付勢力に起因して第二ウイング部材を開こうとする回転力と、が概ね平衡した状態を保持する。
このため、ヒンジ１００では、第二ウイング部材の回動角度θが保持角度φから全開状態にわたって、第二ウイング部材に固定された第二連結対象物の自重に起因して第二ウイング部材を閉じようとする回転力と、バネ部材６０の付勢力に起因して第二ウイング部材を開こうとする回転力と、が概ね平衡した状態とを保持された状態を安定させることができる。 In addition, when the rotation angle θ of the second wing member ranges from the holding angle φ to the fully open state, the biasing member 85 abuts against the cam member 75, thereby biasing the second wing member in a closing direction relative to the second wing member which is biased by the spring member 60 to rotate in the opening direction, thereby maintaining a state in which the rotational force tending to close the second wing member due to the weight of the original pressure plate 3 (second connection object) fixed to the upper fixed member 30 (second wing member) and the rotational force tending to open the second wing member due to the biasing force of the spring member 60 are roughly balanced.
Therefore, in the hinge 100, as the rotation angle θ of the second wing member ranges from the holding angle φ to the fully open state, a state can be stabilized in which a rotational force tending to close the second wing member due to the weight of the second connection object fixed to the second wing member and a rotational force tending to open the second wing member due to the biasing force of the spring member 60 are maintained in a roughly balanced state.

なお、付勢部材８５は、第二ウイング部材の回動角度θが閉状態から保持角度φにわたって、第二ウイング部材を閉じる方向に付勢して、上部固定部材３０（第二ウイング部材）に固定された原稿圧着板３（第二連結対象物）の自重に起因して第二ウイング部材を閉じようとする回転力と、バネ部材６０の付勢力に起因して第二ウイング部材を開こうとする回転力と、が概ね平衡した状態を保持する構成とすることもできる。
また、付勢部材８５は、第二ウイング部材の回動角度θが閉状態から全開状態にわたって、第二ウイング部材を閉じる方向に付勢して、上部固定部材３０（第二ウイング部材）に固定された原稿圧着板３（第二連結対象物）の自重に起因して第二ウイング部材を閉じようとする回転力と、バネ部材６０の付勢力に起因して第二ウイング部材を開こうとする回転力と、が概ね平衡した状態を保持する構成とすることもできる。 In addition, the biasing member 85 can be configured to bias the second wing member in the direction of closing when the rotation angle θ of the second wing member ranges from the closed state to the holding angle φ, thereby maintaining a roughly balanced state between the rotational force tending to close the second wing member due to the weight of the document pressure plate 3 (second connection object) fixed to the upper fixed member 30 (second wing member) and the rotational force tending to open the second wing member due to the biasing force of the spring member 60.
In addition, the biasing member 85 can be configured to bias the second wing member in the direction of closing when the rotation angle θ of the second wing member ranges from the closed state to the fully open state, thereby maintaining a roughly balanced state between the rotational force tending to close the second wing member due to the weight of the document pressure plate 3 (second connection object) fixed to the upper fixed member 30 (second wing member) and the rotational force tending to open the second wing member due to the biasing force of the spring member 60.

付勢部材８５は、一枚の金属素材からなる板状の部材に適宜折り曲げ加工を施すことにより構成される。付勢部材８５は、当接部８６と、凸部８７と、を備える。
付勢部材８５は、上端から前下に傾斜する部分と、当該前下に傾斜する部分の下端から折り曲げられて後下に傾斜するように延出する部分と、当該後下に傾斜する部分の下端から折り曲げられて前方に延出する部分と、当該前方に延出する部分の前端から折り曲げられて上方に延出する部分と、で構成される。 The biasing member 85 is formed by appropriately bending a plate-shaped member made of a single metal material. The biasing member 85 includes a contact portion 86 and a protrusion 87.
The urging member 85 is composed of a portion that slopes downward and forward from its upper end, a portion that is bent from the lower end of the portion that slopes downward and forward and extends so as to slope downward and rearward, a portion that is bent from the lower end of the portion that slopes downward and rearward and extends forward, and a portion that is bent from the front end of the portion that extends forward and extends upward.

付勢部材８５における前記上端から前下に傾斜する部分は、当接部８６として構成される。付勢部材８５が仕切部材８０に取付けられて下部固定部材１０内に配置された状態では、付勢部材８５の当接部８６の後下面は、第一回動軸７１に当接した状態とされる。また、付勢部材８５の当接部８６（当接部８６の後下面）が第一回動軸７１に当接した状態において、付勢部材８５の当接部８６の前上面は、第二ウイング部材を閉じる方向に付勢する際にカム部材７５に当接する。
付勢部材８５は、弾性変形可能に構成される。付勢部材８５は、前記前下に傾斜する部分の下端から折り曲げられ、前記後下に傾斜する部分の下端から折り曲げられて構成されること（金属板に折り曲げ加工を施すこと）によって、カム部材７５に当接したときに第二ウイング部材を閉じる方向に付勢する付勢力が生じるように構成される。即ち、付勢部材８５における前記上端から前下に傾斜する部分（当接部８６）および前下に傾斜する部分の下端から折り曲げられて後下に傾斜するように延出する部分が板バネとして構成される。 A portion of the urging member 85 that slopes downward and forward from the upper end is configured as a contact portion 86. When the urging member 85 is attached to the partition member 80 and disposed within the lower fixed member 10, the rear lower surface of the abutment portion 86 of the urging member 85 is in a state of abutting against the first pivot shaft 71. In addition, when the abutment portion 86 (rear lower surface of the abutment portion 86) of the urging member 85 is in a state of abutting against the first pivot shaft 71, the front upper surface of the abutment portion 86 of the urging member 85 abuts against the cam member 75 when urging the second wing member in the closing direction.
The biasing member 85 is configured to be elastically deformable. The biasing member 85 is configured by being bent from the lower end of the portion inclined downward toward the front and from the lower end of the portion inclined downward toward the rear (by performing a bending process on a metal plate), so that a biasing force that biases the second wing member in a direction to close the second wing member is generated when the biasing member 85 abuts against the cam member 75. That is, the portion of the biasing member 85 that slopes downward toward the front from the upper end (abutment portion 86) and the portion that is bent from the lower end of the portion inclined downward toward the front and extends to slope downward toward the rear are configured as leaf springs.

以上のように、付勢部材８５が板状の部材に適宜折り曲げ加工を施すことにより構成されることから、付勢部材８５における前記上端から前下に傾斜する部分（当接部８６）の傾斜角度や、当該前下に傾斜する部分の下端から折り曲げられて後下に傾斜するように延出する部分の傾斜角度等の変更（微調整）を容易に行うことができる。このため、上部固定部材３０（第二ウイング部材）に固定された原稿圧着板３（第二連結対象物）の自重に起因して第二ウイング部材を閉じようとする回転力と、バネ部材６０の付勢力に起因して第二ウイング部材を開こうとする回転力と、が概ね平衡した状態を保持した状態の調整を、容易に行うことができる。 As described above, since the biasing member 85 is formed by appropriately bending a plate-shaped member, it is easy to change (fine-tune) the inclination angle of the portion (contact portion 86) of the biasing member 85 that slopes downward from the upper end and the inclination angle of the portion that is bent from the lower end of the portion that slopes downward from the front and extends downward from the rear. Therefore, it is easy to adjust the state in which the rotational force that tries to close the second wing member due to the weight of the original pressing plate 3 (second connection object) fixed to the upper fixing member 30 (second wing member) and the rotational force that tries to open the second wing member due to the biasing force of the spring member 60 are roughly balanced.

付勢部材８５は、仕切部材８０に着脱可能に構成され、仕切部材８０を介して下部固定部材１０（第一ウイング部材）内に設けられる。付勢部材８５は、固定具８９によって仕切部材８０を介して下部固定部材１０（第一ウイング部材）内に設けられる。
固定具８９は、ビスであり、胴部と頭部とを備える。固定具８９の頭部は、付勢部材８５の取付作業時に操作される操作部８９ａとして構成される。 The biasing member 85 is configured to be detachable from the partition member 80, and is provided in the lower fixed member 10 (first wing member) via the partition member 80. The biasing member 85 is provided in the lower fixed member 10 (first wing member) via the partition member 80 by a fixing device 89.
The head of the fastener 89 is configured as an operating portion 89a that is operated when the biasing member 85 is attached.

付勢部材８５における後下に傾斜する部分の下端から折り曲げられて前方に延出する部分には、左右一対の貫通孔が設けられる。仕切部材８０における仕切部８２には、左右一対の貫通孔が設けられる。付勢部材８５における後下に傾斜する部分の下端から折り曲げられて前方に延出する部分を仕切部材８０における仕切部８２の上方に配置して、付勢部材８５の貫通孔と仕切部材８０の貫通孔とを一致させた状態で、当該付勢部材８５の貫通孔及び仕切部材８０の貫通孔に固定具８９の胴部を挿通させる。そして、ドライバ等の工具を用いて固定具８９の頭部（操作部８９ａ）を操作することによって付勢部材８５は仕切部材８０に取付けられる。また、ドライバ等の工具を用いて固定具８９の頭部（操作部８９ａ）を操作することによって固定具８９を取り外すことによって、付勢部材８５は仕切部材８０から取外される。 A pair of left and right through holes is provided in the part of the biasing member 85 that is bent from the lower end of the part that is inclined downward toward the rear and extends forward. A pair of left and right through holes is provided in the partition section 82 of the partition member 80. The part of the biasing member 85 that is bent from the lower end of the part that is inclined downward toward the rear and extends forward is placed above the partition section 82 of the partition member 80, and the through hole of the biasing member 85 and the through hole of the partition member 80 are inserted into the through hole of the biasing member 85 and the through hole of the partition member 80 in a state where the through hole of the biasing member 85 and the through hole of the partition member 80 are aligned. Then, the biasing member 85 is attached to the partition member 80 by operating the head (operation section 89a) of the fixing device 89 using a tool such as a screwdriver. The biasing member 85 is removed from the partition member 80 by operating the head (operation section 89a) of the fixing device 89 using a tool such as a screwdriver to remove the fixing device 89.

以上のように、付勢部材８５が着脱可能に構成されることから、上部固定部材３０（第二ウイング部材）に固定された原稿圧着板３（第二連結対象物）の自重に起因して第二ウイング部材を閉じようとする回転力と、バネ部材６０の付勢力に起因して第二ウイング部材を開こうとする回転力と、が概ね平衡した状態とを保持した状態を調整する場合には、付勢部材８５を仕切部材８０から取外して、当該付勢部材８５の当接部８６の傾斜角度や前記前下に傾斜する部分の下端から折り曲げられて後下に傾斜するように延出する部の傾斜角度を変更させ、また、当該付勢部材８５を所望の付勢力を備えるものに取替る等によって、行うことができる。
このため、上部固定部材３０（第二ウイング部材）に固定された原稿圧着板３（第二連結対象物）の自重に起因して第二ウイング部材を閉じようとする回転力と、バネ部材６０の付勢力に起因して第二ウイング部材を開こうとする回転力と、が概ね平衡した状態とを保持した状態の調整する作業を、容易に行うことができる。 As described above, since the biasing member 85 is configured to be detachable, when it is necessary to adjust the state in which the rotational force attempting to close the second wing member due to the weight of the original pressure plate 3 (second connection object) fixed to the upper fixed member 30 (second wing member) and the rotational force attempting to open the second wing member due to the biasing force of the spring member 60 are maintained in a generally balanced state, this can be achieved by removing the biasing member 85 from the partition member 80, changing the inclination angle of the abutment portion 86 of the biasing member 85 and the inclination angle of the portion that is bent from the lower end of the portion that slopes downward at the front and extends to slope downward at the rear, and by replacing the biasing member 85 with one having the desired biasing force.
This makes it easy to perform adjustments to maintain a roughly balanced state between the rotational force attempting to close the second wing member due to the weight of the original pressure plate 3 (second connection object) fixed to the upper fixed member 30 (second wing member) and the rotational force attempting to open the second wing member due to the biasing force of the spring member 60.

また、付勢部材８５を仕切部材８０に取付けている固定具８９であるビスの頭部（固定具８９の操作部８９ａ）は、仕切部材８０の仕切部８２の下方に位置し、少なくとも第二ウイング部材の全開状態においては下方に露出した状態とされている。このため、第二ウイング部材を全開状態にして、ヒンジ１００の他の部材を取外すことを要さずに、付勢部材８５の仕切部材８０に対する着脱させる作業を容易に行うことができる。したがって、上部固定部材３０（第二ウイング部材）に固定された原稿圧着板３（第二連結対象物）の自重に起因して第二ウイング部材を閉じようとする回転力と、バネ部材６０の付勢力に起因して第二ウイング部材を開こうとする回転力と、が概ね平衡した状態とを保持した状態の調整する作業を、より容易に行うことができる。 In addition, the head of the screw (operating portion 89a of the fixing device 89), which is the fixing device 89 that attaches the urging member 85 to the partition member 80, is located below the partition portion 82 of the partition member 80 and is exposed downward at least when the second wing member is in the fully open state. Therefore, the second wing member can be fully opened and the work of attaching and detaching the urging member 85 to and from the partition member 80 can be easily performed without having to remove other members of the hinge 100. Therefore, it is easier to adjust the state in which the rotational force that tries to close the second wing member due to the weight of the original cover 3 (second connection object) fixed to the upper fixing member 30 (second wing member) and the rotational force that tries to open the second wing member due to the urging force of the spring member 60 are roughly balanced.

付勢部材８５における前記前方に延出する部分の前端から折り曲げられて上方に延出する部分は、凸部８７として構成される。
仕切部材８０は、位置決め部８３を備える。仕切部材８０の位置決め部８３は、仕切部８２の前端左右中央部から上方に突出するように構成される。
付勢部材８５における後下に傾斜する部分の下端から折り曲げられて前方に延出する部分を仕切部材８０における仕切部８２の上方に配置して、付勢部材８５の凸部８７の前面と仕切部材８０の位置決め部８３の後面とを当接させた状態では、付勢部材８５の貫通孔と仕切部材８０の貫通孔とが一致した状態とされる。
付勢部材８５を仕切部材８０に取付ける際には、このように付勢部材８５の凸部８７の前面と仕切部材８０の位置決め部８３の後面とを当接させた状態とすることによって、容易に付勢部材８５の貫通孔と仕切部材８０の貫通孔とが一致した状態とすることができる。
このため、付勢部材８５を仕切部材８０に取付ける作業を比較的容易に行うことができる。 The portion of the urging member 85 that is bent from the front end of the forwardly extending portion and extends upward is configured as a protrusion 87 .
The partition member 80 includes a positioning portion 83. The positioning portion 83 of the partition member 80 is configured to protrude upward from the center of the left and right sides of the front end of the partition portion 82.
The portion of the urging member 85 that is bent from the lower end of the portion that slopes downward to the rear and extends forward is positioned above the partition portion 82 of the partition member 80, and when the front surface of the convex portion 87 of the urging member 85 is abutted against the rear surface of the positioning portion 83 of the partition member 80, the through hole of the urging member 85 and the through hole of the partition member 80 are aligned.
When attaching the urging member 85 to the partition member 80, by abutting the front surface of the convex portion 87 of the urging member 85 with the rear surface of the positioning portion 83 of the partition member 80 in this manner, it is possible to easily align the through hole of the urging member 85 with the through hole of the partition member 80.
Therefore, the work of attaching the biasing member 85 to the partition member 80 can be performed relatively easily.

第一スライダ４０は、窪み部４３を備える。第一スライダ４０のカム当接部４２の一部が凹状に形成される。前記第一スライダ４０のカム当接部４２の一部が凹状に形成される部分は、窪み部４３として構成される。第一スライダ４０の窪み部４３は、カム当接部４２の上面の前後中途部に形成される。第一スライダ４０の窪み部４３は、第一スライダ４０の左端から右端に亘って筋状に構成される。
ここで、付勢部材８５における、上端から前下に傾斜する部分（当接部８６）と、当該前下に傾斜する部分の下端から折り曲げられて後下に傾斜するように延出する部分と、が連接されて構成されることから、当該部分が側面視略Ｖ字状に構成される。付勢部材８５における、上端から前下に傾斜する部分（当接部８６）と、当該前下に傾斜する部分の下端から折り曲げられて後下に傾斜するように延出する部分との境界部分は、その前方（第一スライダ４０側）が山状に構成されて、前方に突出するように構成され、突出部８８として構成される。
第一スライダ４０の窪み部４３は、付勢部材８５の突出部８８の前面の形状と概ね一致するように構成される。 The first slider 40 has a recessed portion 43. A part of the cam abutment portion 42 of the first slider 40 is formed in a concave shape. The part of the cam abutment portion 42 of the first slider 40 that is formed in a concave shape is configured as the recessed portion 43. The recessed portion 43 of the first slider 40 is formed in the middle between the front and rear of the upper surface of the cam abutment portion 42. The recessed portion 43 of the first slider 40 is configured in a stripe shape from the left end to the right end of the first slider 40.
Here, in the urging member 85, a portion (abutment portion 86) that slopes downward toward the front from the upper end and a portion that is bent from the lower end of the portion that slopes downward toward the front and extends so as to slope downward toward the rear are connected together, so that the portion is configured in a generally V-shape in side view. In the urging member 85, a boundary portion between the portion (abutment portion 86) that slopes downward toward the front from the upper end and the portion that is bent from the lower end of the portion that slopes downward toward the front and extends so as to slope downward toward the rear is configured such that its front (on the first slider 40 side) is mountain-shaped and configured to protrude forward, so as to be configured as a protrusion 88.
The recessed portion 43 of the first slider 40 is configured to generally match the shape of the front surface of the protruding portion 88 of the biasing member 85 .

第二ウイング部材の第一ウイング部材に対する回動角度θが所定の角度にあるとき、即ち、複合機１の本体２に対する原稿圧着板３の回動角度θが前記所定の角度にあるとき、第一スライダ４０の窪み部４３に付勢部材８５の突出部８８が当接して入り込んだ状態となり、第二ウイング部材の第一ウイング部材に対する回動姿勢が保持された状態となる。第一スライダ４０の窪み部４３に付勢部材８５の突出部８８が入り込む際に、また、第一スライダ４０の窪み部４３に付勢部材８５の突出部８８が脱落する際に、クリック感が生じる。
例えば、第一スライダ４０の窪み部４３に付勢部材８５の突出部８８が当接して入り込んだ状態となるときの第二ウイング部材の第一ウイング部材に対する回動角度は、回動角度θ＝９０°（全開状態）に設定される。なお、第一スライダ４０の窪み部４３に付勢部材８５の突出部８８が当接して入り込んだ状態となるときの第二ウイング部材の第一ウイング部材に対する回動角度は、９０°以外の他の角度に設定することも可能である。 When the rotation angle θ of the second wing member relative to the first wing member is a predetermined angle, i.e., when the rotation angle θ of the document cover 3 relative to the main body 2 of the multifunction device 1 is the predetermined angle, the protrusion 88 of the urging member 85 comes into contact with and enters the recess 43 of the first slider 40, and the rotational attitude of the second wing member relative to the first wing member is maintained. When the protrusion 88 of the urging member 85 enters the recess 43 of the first slider 40 and when the protrusion 88 of the urging member 85 falls out of the recess 43 of the first slider 40, a clicking sensation is generated.
For example, the rotation angle of the second wing member relative to the first wing member when the protrusion 88 of the biasing member 85 abuts against and enters the recess 43 of the first slider 40 is set to a rotation angle θ=90° (fully open state). Note that the rotation angle of the second wing member relative to the first wing member when the protrusion 88 of the biasing member 85 abuts against and enters the recess 43 of the first slider 40 can also be set to an angle other than 90°.

以上のように、第二ウイング部材の第一ウイング部材に対する回動角度θが所定の角度にあるとき、第一スライダ４０の窪み部４３に付勢部材８５の突出部８８が当接して入り込んだ状態となり、第二ウイング部材の第一ウイング部材に対する回動姿勢が保持された状態となる。
このため、第二ウイング部材の第一ウイング部材に対する回動角度θが所定の角度にあるとき、簡易な構成で、バネ部材６０および付勢部材８５の付勢力にかかわらず第二ウイング部材の第一ウイング部材に対する回動姿勢が保持された状態とすることができる。
なお、第一スライダ４０が窪み部４３に代えて付勢部材８５側に突出する突出部を備え、且つ、付勢部材８５が突出部８８に代えて前記第一スライダ４０の突出部の外面の形状と概ね一致する窪み部を備えて、第二ウイング部材の第一ウイング部材に対する回動角度θが所定の角度にあるとき、第一スライダ４０の突出部が付勢部材８５の窪み部に当接して入り込んだ状態となり、第二ウイング部材の第一ウイング部材に対する回動姿勢が保持された状態となる構成とすることもできる。 As described above, when the rotation angle θ of the second wing member relative to the first wing member is at a predetermined angle, the protrusion 88 of the biasing member 85 abuts and enters into the recess 43 of the first slider 40, and the rotational posture of the second wing member relative to the first wing member is maintained.
Therefore, when the rotation angle θ of the second wing member relative to the first wing member is at a predetermined angle, a simple configuration can be used to maintain the rotational posture of the second wing member relative to the first wing member regardless of the biasing forces of the spring member 60 and the biasing member 85.
Alternatively, the first slider 40 may have a protrusion that protrudes toward the biasing member 85 instead of the recess 43, and the biasing member 85 may have a recess instead of the protrusion 88 that roughly matches the shape of the outer surface of the protrusion of the first slider 40, so that when the rotation angle θ of the second wing member relative to the first wing member is a predetermined angle, the protrusion of the first slider 40 abuts against and fits into the recess of the biasing member 85, and the rotational posture of the second wing member relative to the first wing member is maintained.

図５から図１４に示すように、フェンス部材７６は、カム部材７５の近傍において、カム部材７５及び第一スライダ４０のカム当接部４２の下方（第二ウイング部材の開状態ではカム部材７５と第一スライダ４０の当接部分の前方）に配置される。フェンス部材７６は、中間部材２０の閉状態から全開状態まで（中間部材２０の回動範囲の全域に亘って）、第一スライダ４０及びカム部材７５の外側から、第一スライダ４０のカム当接部４２とカム部材７５との当接部分側に異物（例えば原稿等）が入り込むことを防止する。フェンス部材７６は、カム部材７５（第一スライダ４０のカム当接部４２とカム部材７５との当接部分）を下方外側または前方外側等から見えないようにして、外側との空間を遮蔽するように構成される。
フェンス部材７６は、第一スライダ４０（カム当接部４２）にぶら下がるように（回動可能に）支持される。フェンス部材７６は、中間部材２０の回動動作または第一スライダ４０の移動動作とともに移動可能に構成される。 5 to 14, the fence member 76 is disposed near the cam member 75 and below the cam abutment portion 42 of the cam member 75 and the first slider 40 (in front of the abutment portion of the cam member 75 and the first slider 40 when the second wing member is in the open state). The fence member 76 prevents foreign matter (e.g., a document, etc.) from entering the abutment portion side of the cam abutment portion 42 of the first slider 40 and the cam member 75 from the outside of the first slider 40 and the cam member 75 from the closed state to the fully open state of the intermediate member 20 (over the entire range of rotation of the intermediate member 20). The fence member 76 is configured to block the space with the outside by making the cam member 75 (the abutment portion of the cam abutment portion 42 of the first slider 40 and the cam member 75) invisible from the lower outside or the front outside, etc.
The fence member 76 is supported so as to be suspended (rotatable) from the first slider 40 (the cam contact portion 42). The fence member 76 is configured to be movable together with the pivoting movement of the intermediate member 20 or the moving movement of the first slider 40.

このように、フェンス部材７６は、第一スライダ４０にぶら下がるように支持されて、カム部材７５近傍においてカム部材７５及び第一スライダ４０のカム当接部４２との下方（第二ウイング部材の開状態ではカム部材７５と第一スライダ４０の当接部分の前方）に配置され、第一スライダ４０及びカム部材７５の外側から、第一スライダ４０のカム当接部４２とカム部材７５との当接部分側に異物（例えば原稿等）が入り込むことを防止することから、第二ウイング部材の閉状態から開状態まで、例えば、本体２の上面に配置された原稿が第一スライダ４０のカム当接部４２とカム部材７５との当接部分側に入り込んで、当該原稿にオイルが付着すること等を確実に防止することができる。
また、フェンス部材７６は、第一スライダ４０のカム当接部４２とカム部材７５との当接部分外側から見えないようにして外側との空間を遮蔽するように構成されることから、樹脂素材等で構成される部材（第一スライダ４０等）の露出する部分を低減させて、ヒンジ１００を比較的難燃性の高い構成とすることができる。 In this way, the fence member 76 is supported so as to hang from the first slider 40, and is positioned near the cam member 75 and below the cam member 75 and the cam abutment portion 42 of the first slider 40 (in front of the abutment portion between the cam member 75 and the first slider 40 when the second wing member is in the open state), and prevents foreign matter (such as a document) from entering the abutment portion between the cam abutment portion 42 of the first slider 40 and the cam member 75 from the outside of the first slider 40 and the cam member 75.Therefore, from the closed state to the open state of the second wing member, it is possible to reliably prevent, for example, a document placed on the upper surface of the main body 2 from entering the abutment portion between the cam abutment portion 42 of the first slider 40 and the cam member 75, and causing oil to adhere to the document.
In addition, the fence member 76 is configured to block the space between the outside and the contact portion between the cam abutment portion 42 of the first slider 40 and the cam member 75 so that it is not visible from the outside. This reduces the exposed portion of the member (such as the first slider 40) made of a resin material or the like, making the hinge 100 relatively flame-retardant.

ヒンジ１００は、カバー部材７７を備える。
カバー部材７７は、一枚の金属板を適宜折り曲げることにより、前板、下板、及び一対の側板を備えるように形成される部材であり、第二スライダ５０に固定して設けられる。
カバー部材７７は、第二ウイング部材の内部が露出しないように（外側から見えないように）構成される。カバー部材７７は、第一スライダ４０、第二スライダ５０、バネ部材６０、ダンパー６２等が露出しないように、中間部材２０の前方の開口および下方の開口（第二ウイング部材の底面側）を覆うように構成される。カバー部材７７の前板は第一スライダ４０の前方に配置され、カバー部材７７の一対の側板は中間部材２０の側板２２・２２の左右外側に配置される。カバー部材７７の下板は、中間部材２０の下方の開口の下方、第一スライダ４０のカム当接部４２とカム部材７５との当接部分の下方、また、フェンス部材７６の下方に配置される。 The hinge 100 includes a cover member 77 .
The cover member 77 is a member that is formed by appropriately bending a single metal plate so as to have a front plate, a lower plate, and a pair of side plates, and is fixed to the second slider 50.
The cover member 77 is configured so that the inside of the second wing member is not exposed (not visible from the outside). The cover member 77 is configured to cover the front opening and the lower opening (the bottom side of the second wing member) of the intermediate member 20 so that the first slider 40, the second slider 50, the spring member 60, the damper 62, etc. are not exposed. The front plate of the cover member 77 is disposed in front of the first slider 40, and the pair of side plates of the cover member 77 are disposed on the left and right outer sides of the side plates 22, 22 of the intermediate member 20. The lower plate of the cover member 77 is disposed below the lower opening of the intermediate member 20, below the abutment portion between the cam abutment portion 42 of the first slider 40 and the cam member 75, and below the fence member 76.

このように、カバー部材７７を備え、第二ウイング部材の内部が露出しないように中間部材２０の下方の開口等を覆うことから、ヒンジ１００の内部の樹脂素材等で構成される部材（第一スライダ４０等）の露出する部分を低減させて、ヒンジ１００を比較的難燃性の高い構成とすることができる。 In this way, the cover member 77 covers the lower opening of the intermediate member 20 so that the inside of the second wing member is not exposed, and this reduces the exposed portion of the members (such as the first slider 40) inside the hinge 100 that are made of a resin material or the like, making the hinge 100 relatively flame-retardant.

また、異物挟み防止部９０の遮蔽部材９１を比較的難燃性の高い素材で構成することもできる。このように構成することによって、ヒンジ１００を比較的難燃性の高い構成とすることができる。 The shielding member 91 of the foreign object trap prevention unit 90 can also be made of a material that is relatively flame-retardant. By configuring it in this way, the hinge 100 can be made to be relatively flame-retardant.

１ 複合機
２ 本体
３ 原稿圧着板
４ カバー
５ 切欠き部
１０ 下部固定部材
１２ 側板
１４ 突出部
１５ ストッパ
２０ 中間部材
３０ 上部固定部材
３３ 支持部
４０ 第一スライダ
４１ 本体
４２ カム当接部
５０ 第二スライダ
６０ バネ部材
７１ 第一回動軸
７２ 第二回動軸
７３ 受圧部
７５ カム部材
７６ フェンス部材
７７ カバー部材
８０ 仕切部材
８１ 側板部
８２ 仕切部
８３ 位置決め部
８５ 付勢部材
８６ 当接部
８７ 凸部
８８ 突出部
８９ 固定具
９０ 異物挟み防止部
９１ 遮蔽部材
９２ 突出片
９３ 凸部
９４ 留め部
９５ 凸条部
１００ ヒンジ LIST OF SYMBOLS 1 Multifunction device 2 Main body 3 Original cover 4 Cover 5 Cutout 10 Lower fixing member 12 Side plate 14 Protruding portion 15 Stopper 20 Intermediate member 30 Upper fixing member 33 Support portion 40 First slider 41 Main body 42 Cam contact portion 50 Second slider 60 Spring member 71 First rotating shaft 72 Second rotating shaft 73 Pressure receiving portion 75 Cam member 76 Fence member 77 Cover member 80 Partition member 81 Side plate portion 82 Partition portion 83 Positioning portion 85 Pressing member 86 Contact portion 87 Convex portion 88 Protruding portion 89 Fixing device 90 Foreign object pinching prevention portion 91 Shielding member 92 Protruding piece 93 Convex portion 94 Fastening portion 95 Convex rib portion 100 Hinge

Claims (4)

第一連結対象物に固定される第一ウイング部材と、
前記第一ウイング部材に設けられるカム部材と、
第二連結対象物に固定されるとともに前記第一ウイング部材に第一回動軸を介して回動可能に連結され、前記第一ウイング部材に対して全開状態と閉状態との間で遷移する第二ウイング部材と、
前記カム部材に当接するカム当接部を備え、前記第二ウイング部材に収容されつつ前記カム部材に接近する方向および前記カム部材から離間する方向に移動可能なスライド部材と、
前記スライド部材を前記カム部材に接近する方向に付勢することにより前記スライド部材のカム当接部を前記カム部材に当接させて前記第二ウイング部材を前記第一ウイング部材に対して開く方向に回動するように付勢するバネ部材と、
を具備し、
前記第二ウイング部材は、前記第一ウイング部材に前記第一回動軸を介して回動可能に連結される中間部材と、前記第二連結対象物に固定されるとともに前記中間部材に第二回動軸を介して回動可能に連結される固定部材と、を備え、
前記中間部材に対して前記固定部材が開いた状態であるリフト状態において、前記中間部材及び前記固定部材の外側から、前記中間部材と前記固定部材との間に異物が入り込んで挟まることを防止する異物挟み防止部をさらに備え、
前記異物挟み防止部は、前記リフト状態において、前記固定部材における前記第二回動軸が配置される側と反対側の端部の外側から前記中間部材における前記第二回動軸が配置される側と反対側の端部の外側に亘って配置される、遮蔽部材を備え、
前記遮蔽部材は、前記リフト状態において、前記固定部材における前記第二回動軸が配置される側と反対側の端部の外側から前記中間部材における前記第二回動軸が配置される側と反対側の端部の外側に亘って配置された状態が保持されるように構成され、
前記遮蔽部材は、前記遮蔽部材の一端部が前記固定部材に支持されて、前記固定部材に対して回動可能に構成され、
前記遮蔽部材は、留め部を備え、前記第二ウイング部材の閉状態、前記第二ウイング部材の開状態、および、前記リフト状態において、前記留め部が前記第一ウイング部材に引っ掛かるようにして前記固定部材における前記第二回動軸が配置される側と反対側の端部の外側から前記中間部材における前記第二回動軸が配置される側と反対側の端部の外側に亘って配置された状態が保持される、
ヒンジ。 A first wing member fixed to the first connection object;
A cam member provided on the first wing member;
a second wing member that is fixed to a second connection object and is rotatably connected to the first wing member via a first rotation shaft, and that transitions between a fully open state and a closed state with respect to the first wing member;
a slide member including a cam abutment portion that abuts against the cam member, the slide member being movable in a direction approaching the cam member and in a direction away from the cam member while being accommodated in the second wing member;
a spring member that biases the slide member in a direction approaching the cam member, thereby causing a cam abutment portion of the slide member to abut against the cam member and biasing the second wing member to rotate in a direction opening relative to the first wing member;
Equipped with
the second wing member includes an intermediate member rotatably connected to the first wing member via the first pivot shaft, and a fixed member fixed to the second connection object and rotatably connected to the intermediate member via a second pivot shaft,
a foreign object pinching prevention portion that prevents a foreign object from entering and being pinched between the intermediate member and the fixed member from outside the intermediate member and the fixed member in a lift state in which the fixed member is open relative to the intermediate member,
the foreign object pinching prevention portion includes a shielding member that is disposed in the lifted state from an outer side of an end portion of the fixed member opposite to a side on which the second rotation shaft is disposed to an outer side of an end portion of the intermediate member opposite to a side on which the second rotation shaft is disposed,
the shielding member is configured to be maintained in a state in which it is disposed from an outer side of an end portion of the fixed member opposite to a side on which the second rotation shaft is disposed to an outer side of an end portion of the intermediate member opposite to a side on which the second rotation shaft is disposed, in the lifted state ;
The shielding member is configured such that one end of the shielding member is supported by the fixed member and is rotatable relative to the fixed member,
the shielding member includes a fastening portion, and in the second wing member closed state, the second wing member open state, and the lifted state, the fastening portion is hooked onto the first wing member, and is maintained in a state in which the shielding member is disposed from the outside of the end portion of the fixed member opposite the side on which the second pivot shaft is disposed to the outside of the end portion of the intermediate member opposite the side on which the second pivot shaft is disposed.
Hinge. 前記第一ウイング部材は、底板、左右の側板、および背板を有し、
前記左右の側板は、後端部が前記背板から突出し、前記後端部には、左右方向の内側に突出して、前記背板との間に上下方向に沿った空間を形成する一対の突出部が設けられ、
前記遮蔽部材は、左右一対の前記留め部を備え、一対の前記留め部それぞれは、前記遮蔽部材の一部から前記左右方向の外側に突出し、前記空間に挿入される部分を有し、
前記遮蔽部材は、前記第二ウイング部材が前記閉状態と前記開状態との間で回動する際、および、前記固定部材が前記中間部材に対して回動する際に、前記留め部の突出した部分が前記第一ウイング部材の前記空間内を移動する、
請求項１に記載のヒンジ。 The first wing member has a bottom plate, left and right side plates, and a back plate,
The left and right side panels have rear end portions protruding from the back panel, and the rear end portions are provided with a pair of protruding portions that protrude inward in the left-right direction and form a space between the rear panel and the back panel along the up-down direction,
the shielding member includes a pair of left and right fastening portions, each of the pair of fastening portions having a portion that protrudes outward in the left-right direction from a part of the shielding member and is inserted into the space,
When the second wing member rotates between the closed state and the open state and when the fixing member rotates relative to the intermediate member, a protruding portion of the fastening portion of the shielding member moves within the space of the first wing member.
The hinge of claim 1 . 前記留め部は、前記遮蔽部材から前記背板側に突出した後、前記左右方向外側に突出し、前記左右方向外側に突出した部分が前記空間に挿入され、
前記一対の前記突出部は、その上端部に左右方向内側に突出するように構成されるストッパを備え、
前記ストッパは、前記左右方向外側に突出した部分が前記第一ウイング部材の前記空間の上端部に移動したとき、前記留め部の前記背板側に突出した部分と当接して、前記留め部の前記空間からの脱落を防止する、
請求項２に記載のヒンジ。 The fastening portion protrudes from the shielding member toward the back panel and then protrudes outward in the left-right direction, and the portion protruding outward in the left-right direction is inserted into the space,
The pair of protruding portions each include a stopper at an upper end thereof configured to protrude inward in the left-right direction,
When the portion protruding outward in the left-right direction moves to the upper end of the space of the first wing member, the stopper abuts against the portion protruding toward the back plate of the fastening portion to prevent the fastening portion from falling out of the space.
The hinge of claim 2. 請求項１から請求項３のいずれか一項に記載のヒンジを備えた電子機器。 An electronic device equipped with the hinge according to any one of claims 1 to 3.
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JP2002131990A (en) 2000-10-27 2002-05-09 Canon Inc Image reader
US20040218229A1 (en) 2003-04-30 2004-11-04 Samsung Electronics Co., Ltd. Hinge apparatus for cover of image forming apparatus
JP2005091794A (en) 2003-09-18 2005-04-07 Ricoh Co Ltd Automatic manuscript feeder and image forming apparatus using it
JP2013164502A (en) 2012-02-10 2013-08-22 Naturaleza One Original pressing plate opening/closing device and oa equipment
JP2020106742A (en) 2018-12-28 2020-07-09 株式会社ナチュラレーザ・ワン Document pressing plate opening/closing device and business machine with document pressing plate opening/closing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002131990A (en) 2000-10-27 2002-05-09 Canon Inc Image reader
US20040218229A1 (en) 2003-04-30 2004-11-04 Samsung Electronics Co., Ltd. Hinge apparatus for cover of image forming apparatus
JP2005091794A (en) 2003-09-18 2005-04-07 Ricoh Co Ltd Automatic manuscript feeder and image forming apparatus using it
JP2013164502A (en) 2012-02-10 2013-08-22 Naturaleza One Original pressing plate opening/closing device and oa equipment
JP2020106742A (en) 2018-12-28 2020-07-09 株式会社ナチュラレーザ・ワン Document pressing plate opening/closing device and business machine with document pressing plate opening/closing device

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