JPH0452192Y2 - - Google Patents
Info
- Publication number
- JPH0452192Y2 JPH0452192Y2 JP1986095227U JP9522786U JPH0452192Y2 JP H0452192 Y2 JPH0452192 Y2 JP H0452192Y2 JP 1986095227 U JP1986095227 U JP 1986095227U JP 9522786 U JP9522786 U JP 9522786U JP H0452192 Y2 JPH0452192 Y2 JP H0452192Y2
- Authority
- JP
- Japan
- Prior art keywords
- drawer
- paper
- arm
- lever member
- paper feeding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、用紙を収納するための引出を互いに
接離自在となるなるように設けた一対の搬送ロー
ラよりなる給紙手段に臨む給紙位置に対し挿し入
れ・固定・引き出し自在に設けた給紙装置に関す
るものである。[Detailed description of the invention] [Industrial field of application] The present invention is a paper feeder that faces a paper feeder consisting of a pair of conveyor rollers in which drawers for storing paper are provided so as to be able to move toward and away from each other. This invention relates to a paper feeding device that can be inserted, fixed, and pulled out from a position.
上記給紙装置において、給紙時に前記一対の搬
送ローラよりなる供給手段に紙詰まりが生じた場
合、複写紙を収容していた引出を給紙位置から引
き出してから、その供給手段に挟み込まれて装置
内に残されている用紙を取り除くようにしてい
る。
In the above paper feeding device, if a paper jam occurs in the feeding means consisting of the pair of transport rollers during paper feeding, pull out the drawer containing the copy paper from the paper feeding position, and then remove the paper from the paper feeding means. Try to remove any paper left inside the device.
ところが、供給手段に挟み付けられている用紙
を取り出すことは極めて困難であると共に、特
に、引出が、用紙の搬送方向に直交する方向に挿
し入れ・引き出しできるように構成されている場
合には、引出の引き出し動作に伴つて前記供給手
段に挟み付けられている用紙が裂けて破れてしま
うことが多く、そのようなときには、破れて残つ
た用紙をその供給手段から取り外すことは一層困
難となり、紙詰まり処理に手間取るという難点が
あつた。
However, it is extremely difficult to take out the paper that is caught between the supply means, and especially when the drawer is configured so that it can be inserted and pulled out in a direction perpendicular to the paper conveyance direction. As the drawer is pulled out, the sheets of paper caught in the supply means are often torn and torn, and in such cases, it becomes even more difficult to remove the torn and remaining paper from the supply means. The problem was that it took time to clear the blockage.
本考案は、上記の実情に鑑みて成されたもので
あつて、極めて簡単で且つ合理的な改良によつ
て、引出を引き出す一挙動操作で画像形成装置の
本体内に設けられている給紙装置での紙詰まり処
理を容易に行うことができるようにすることを目
的としており、而して本考案は、用紙を収納する
ための引出が、画像形成装置の本体内に互いに接
離自在となるように設けた一対の搬送ローラより
なる供給手段に臨む給紙位置に対して挿し入れ・
固定・引き出し自在に設けられる給紙装置にあつ
て、前記引出の前面に回動操作自在に設けた把手
と一体のアームに係合部を形成し、その引出が前
記給紙位置に挿入されると、付勢手段によつて、
前記画像形成装置の本体側に形成した被係合部に
前記アームの係合部が係止されてその引出が固定
されるとともに、そのアームと連係動作するレバ
ー部材を前記画像形成装置の本体側に設け、前記
アームの係合部の係止状態下でそのレバー部材に
よつて前記一方の搬送ローラが他方の搬送ローラ
に対接付勢される一方、前記把手の回動操作によ
り、前記係合部の係止状態が解除されて前記引出
が引き出し自在とされるとともに、前記レバー部
材が前記アームと連係動作して前記一方の搬送ロ
ーラを他方の搬送ローラから離間させ、かつその
引出が引き出されると、前記レバー部材に対する
前記アームの連係が解除されるようにしたことを
特徴としている。
The present invention has been developed in view of the above-mentioned circumstances, and is an extremely simple and rational improvement that allows the paper feeder installed in the main body of the image forming apparatus to be removed by one action of pulling out the drawer. The purpose of the present invention is to make it easier to clear paper jams in the image forming apparatus, and the present invention provides a system in which drawers for storing paper can be moved toward and away from each other within the main body of the image forming apparatus. Insert the paper into the feeding position facing the feeding means consisting of a pair of conveying rollers arranged so that
In the paper feeding device which is provided in a fixed and removable manner, an engaging portion is formed on an arm integral with a handle rotatably provided on the front surface of the drawer, and the drawer is inserted into the paper feeding position. and by the biasing means,
The engaging portion of the arm is engaged with an engaged portion formed on the main body side of the image forming apparatus, thereby fixing the drawer, and a lever member that operates in conjunction with the arm is attached to the main body side of the image forming apparatus. When the engaging portion of the arm is in a locked state, the lever member urges the one conveying roller toward the other conveying roller, while the rotating operation of the handle forces the engaging portion of the arm to press against the other conveying roller. The locked state of the joint is released and the drawer can be freely pulled out, and the lever member operates in conjunction with the arm to separate the one conveyance roller from the other conveyance roller, and the drawer is pulled out. The invention is characterized in that when the lever member is moved, the arm is disengaged from the lever member.
引出が画像形成装置の本体内の給紙位置に挿入
されると、その引出の前面に回動操作自在に設け
た把手と一体のアームに形成された係合部が、付
勢手段の付勢によつて前記本体側に形成した被係
合部に係止されてその引出が固定されるととも
に、そのアームと連係動作するレバー部材により
一方の搬送ローラが他方の搬送ローラに対接付勢
され、これにより、給紙可能な状態となる。
When the drawer is inserted into the paper feed position in the main body of the image forming apparatus, the engaging part formed on the arm integrated with the handle rotatably provided on the front surface of the drawer biases the biasing means. is engaged with the engaged portion formed on the main body side, thereby fixing the drawer, and one conveyance roller is biased against the other conveyance roller by a lever member that operates in conjunction with the arm. , This makes it possible to feed paper.
一方、把手の回動操作により、アームの係合部
の係止状態を解除して引出を引き出せるようにす
ることができ、かつ前記レバー部材が前記アーム
と連係動作して前記一方の搬送ローラを他方の搬
送ローラから離間させることができる。これによ
り、その引出を引き出すと前記レバー部材に対す
る前記アームの連係が解除され、供給手段に紙が
詰まつている場合にはその紙を引出とともに容易
に取り出すことができる。そして、たとえ、その
紙が破れて供給手段に残つていても搬送ローラに
よる挟み付け状態が解除されているので容易にそ
れを取り出すことができる。 On the other hand, by rotating the handle, the locking state of the engaging portion of the arm can be released and the drawer can be pulled out, and the lever member operates in conjunction with the arm to move the one conveyance roller. It can be separated from the other conveyance roller. Thereby, when the drawer is pulled out, the linkage of the arm to the lever member is released, and if paper is jammed in the supply means, the paper can be easily taken out together with the drawer. Even if the paper is torn and remains in the supply means, it can be easily taken out because it is no longer held between the conveying rollers.
次に、本考案の給紙装置を複写機に適用した場
合の一実施例について、以下図面に基づいて説明
すると、第１図は複写機の全体を示し、第２図は
給紙装置Ａの概略断面を示す。
Next, an embodiment in which the paper feeding device of the present invention is applied to a copying machine will be described below based on the drawings. Fig. 1 shows the entire copying machine, and Fig. 2 shows the paper feeding device A. A schematic cross section is shown.
前記給紙装置Ａは、給紙カセツト１に収容され
た複写機（用紙）ａを繰り出す給紙ローラ２と、
該給紙ローラ２によつて繰り出された複写紙ａを
繰り出し方向とは逆向きに給紙経路を変曲する所
謂ブーメラン給紙経路を形成するガイド３、及
び、該ガイド３からの複写紙ａを所定のタイミン
グで転写部４へと給紙する上下一対の搬送ローラ
１９，２０を有する供給手段である給紙手段５か
ら成り、かつ、前記給紙カセツト１が給紙手段５
に臨む給紙位置に対してその給紙カセツト１を挿
し入れ・固定・引き出すことができるように、そ
の給紙カセツト１を一体に収納した引出７が、複
写機本体６の前側部に、前記給紙ローラ２の回転
軸線方向にスライド自在となるように設けられて
いる。 The paper feeding device A includes a paper feeding roller 2 that feeds out copying machine (paper) a stored in a paper feeding cassette 1;
A guide 3 forming a so-called boomerang paper feeding path that bends the paper feeding path in the opposite direction to the feeding direction of the copy paper a fed out by the paper feed roller 2, and a copy paper a fed from the guide 3. It consists of a paper feeding means 5 which is a feeding means having a pair of upper and lower transport rollers 19 and 20 for feeding paper to the transfer section 4 at a predetermined timing, and the paper feeding cassette 1 is connected to the paper feeding means 5.
A drawer 7 that integrally stores the paper feed cassette 1 is provided on the front side of the copying machine main body 6 so that the paper feed cassette 1 can be inserted, fixed, and pulled out from the paper feed position facing the copying machine main body 6. It is provided so as to be slidable in the direction of the rotation axis of the paper feed roller 2.
そして、第３図にも示すように、上記引出７の
前面に形成した操作部８に、給紙方向の軸９まわ
りに回動自在となるようにアーム１０を把手１７
と一体に設けると共に、前記引出７が給紙位置に
挿入された状態で、複写機本体６の前面板部１１
に開設された引出用開口１２を通して前側板（被
係合部）２１の縁部に係止するフツク（係合部）
１３を前記アーム１０の先端に形成し、かつ、該
フツク１３を係止方向に付勢するスプリング（付
勢手段）１４を前記アーム１０に連係させると共
に、前記前側板２１の縁部に相対的に当接して前
記アーム１０をスプリング１４の付勢力に抗して
回動させるカム１５を前記アーム１０の先端に形
成してあつて、もつて、前記引出７の給紙位置へ
の挿入に伴つて自動的に前記フツク１３が前側板
２１の縁部に係止することにより当該引出７を給
紙位置で固定する固定機構１６が構成されてい
る。 Then, as shown in FIG. 3, an arm 10 is attached to a handle 17 so as to be rotatable around an axis 9 in the paper feeding direction on an operating section 8 formed on the front surface of the drawer 7.
In addition, when the drawer 7 is inserted into the paper feeding position, the front plate portion 11 of the copying machine main body 6
A hook (engaging portion) that locks onto the edge of the front side plate (engaged portion) 21 through the drawer opening 12 opened in the
13 is formed at the tip of the arm 10, and a spring (biasing means) 14 for biasing the hook 13 in the locking direction is connected to the arm 10, and is attached relative to the edge of the front side plate 21. A cam 15 is formed at the tip of the arm 10 to rotate the arm 10 against the biasing force of the spring 14. A fixing mechanism 16 is configured to automatically lock the hook 13 to the edge of the front plate 21 to fix the drawer 7 at the paper feeding position.
そして、前述のように、前記引出７の引き出し
操作用の把手１７を前記アーム１０に連設してあ
つて、前記アーム１０がストツパー１８に当接す
るまで該把手１７を手前に引き寄せることによ
り、前記固定機構１６を固定解除状態に切換えら
れるようにしてあり、即ち、上記固定機構１６に
対する固定解除用の操作具を前記引出７の把手１
７で兼用構成してある。 As described above, the handle 17 for operating the drawer 7 is connected to the arm 10, and the handle 17 is pulled toward the user until the arm 10 comes into contact with the stopper 18. The fixing mechanism 16 can be switched to a fixing release state, that is, an operation tool for releasing the fixing mechanism 16 is attached to the handle 1 of the drawer 7.
7 is configured for dual use.
次に、前記給紙手段５は、上下一対の搬送ロー
ラ１９，２０から成り、この内の下側の搬送ロー
ラ２０は、第４図及び第５図に示すように、複写
機本体６の前後側板２１，２２間に枢支された回
動部材２３の両端に連設したアーム２４，２４に
枢着されていて、前記回動部材２３の回動に伴つ
て、上側の固定位置で回動する搬送ローラ１９に
当接する搬送状態Ｘと、自重力または付勢力によ
り前記搬送ローラ１９から離間する搬送不能の離
間状態Ｙとに切換え自在に構成されている。 Next, the paper feeding means 5 consists of a pair of upper and lower transport rollers 19 and 20, and the lower transport roller 20 is located at the front and rear of the copying machine main body 6, as shown in FIGS. 4 and 5. It is pivotally connected to arms 24 and 24 connected to both ends of a rotating member 23 that is pivotally supported between side plates 21 and 22, and rotates at an upper fixed position as the rotating member 23 rotates. It is configured to be able to freely switch between a conveyance state X in which the paper is in contact with the conveyance roller 19, and a separated state Y in which it is separated from the conveyance roller 19 due to its own gravity or biasing force and in which it is unable to be conveyed.
そして、前記引出７が給紙位置に挿入されて前
記固定機構１６が固定作用状態にあるときに、当
該固定機構１６のフツク１３の上端に一端が当接
するレバー（レバー部材）２５を、その長手方向
中間部を引出７の出入方向の軸２６まわりに回動
自在となるように前側板２１に枢着させると共
に、このレバー２５の他端に突設したピン２８
を、前記回動部材２３に固定したレバー２７の遊
端に開孔した長孔ｂに遊嵌させることにより両レ
バー２５，２７を連係させ、前記固定機構１６が
固定作用状態にあるときには、前記下側の搬送ロ
ーラ２０を搬送状態Ｘとする一方、前記固定機構
１６に対する固定解除の操作に連動して、可逆的
に前記下側搬送ローラ２０を自重力で離間状態Ｙ
に切換える搬送解除機構Ｂを構成してある。 When the drawer 7 is inserted into the paper feeding position and the fixing mechanism 16 is in the fixing state, a lever (lever member) 25, one end of which is in contact with the upper end of the hook 13 of the fixing mechanism 16, is moved along its longitudinal direction. The intermediate portion of the lever 25 is pivotally attached to the front plate 21 so as to be rotatable around the axis 26 in the direction of entry and exit of the drawer 7, and a pin 28 protruding from the other end of the lever 25.
is loosely fitted into a long hole b opened at the free end of a lever 27 fixed to the rotating member 23, thereby linking the levers 25 and 27, and when the fixing mechanism 16 is in the fixing state, the While the lower conveying roller 20 is in the conveying state X, in conjunction with the operation to release the fixing mechanism 16, the lower conveying roller 20 is reversibly brought into the separated state Y by its own gravity.
A conveyance release mechanism B is configured.
尚、図中の２９は、前記下側の搬送ローラ２０
の下降を制限するストツパーである。 In addition, 29 in the figure is the lower conveyance roller 20.
This is a stopper that limits the descent of the
上記の構成によれば、引出７を引き出す際に必
然的に行われる固定機構１６の固定解除操作に伴
つて、該引出７の引き出し前に給紙手段５の下側
搬送ローラ２０が離間状態Ｙに切換えられ、而し
て、上下の搬送ローラ１９，２０間に複写紙ａが
挟み込まれていたとしても、該複写紙ａを引出７
と共に機外に引き出すことができ、あるいは、引
出７の引き出し途中で複写紙ａが裂けて破れ、こ
れが機内に残つたとしても、その破れ残つた複写
紙ａの小片を容易に開口１２から取り出すことが
できる。 According to the above configuration, when the fixing mechanism 16 is unfixed, which is inevitably performed when the drawer 7 is pulled out, the lower conveyance roller 20 of the sheet feeding means 5 is moved to the separated state Y before the drawer 7 is pulled out. Therefore, even if the copy paper a is caught between the upper and lower conveyance rollers 19 and 20, the copy paper a is removed from the drawer 7.
Even if the copy paper a is torn and torn while being pulled out of the drawer 7 and remains inside the machine, the remaining small pieces of the copy paper a can be easily taken out from the opening 12. I can do it.
第６図は搬送解除機構Ｂの別実施例を示し、引
き出し操作用の把手１７によつて回動操作される
レバー２５と、回動部材２３に連設のレバー２７
とを、セグメントギヤ機構３０によつて連係させ
たものであつて、機能的には、第５図に示すもの
と同じである。 FIG. 6 shows another embodiment of the transport release mechanism B, which includes a lever 25 that is rotatably operated by the handle 17 for pulling out the drawer, and a lever 27 that is connected to the rotary member 23.
These are linked by a segment gear mechanism 30, and are functionally the same as the one shown in FIG.
尚、引出７の出入方向を給紙方向に合わせる構
成のものを対象にして実施するも良く、また、引
出そのものに複写紙ａを収容する給紙形態とする
も良い。 The present invention may be implemented in a structure in which the direction of entry and exit of the drawer 7 is aligned with the paper feeding direction, or may be implemented in a paper feeding form in which the copy paper a is stored in the drawer itself.
以上説明したように本考案の給紙装置は、引出
を引き出す際の一挙動の操作、即ち、引出の引き
出し操作用の把手を引いて、固定機構に対する固
定を解除する動作とこれに続く引出を引き出す操
作に関連させて、まず、その固定解除の操作とと
もに、供給手段を構成する一対の搬送ローラを相
対的に離間させるようにした点に特徴を有し、而
して、前記供給手段で紙詰まりを生じたときの引
出の引き出しに際して、その引き出し前に固定機
構を固定解除状態に切換えることで、前記一対の
搬送ローラが離間状態に切換えられるので、後は
引出を引き出すだけで、その引出と共に前述供給
手段に挟まれていた用紙を装置外に除去すること
ができ、あるいは、用紙が破れて一部が供給手段
内に残つても、搬送ローラが離間しているのでこ
れを極めて簡単かつ容易に除去することができ
る。
As explained above, the paper feeding device of the present invention performs one operation when pulling out a drawer, that is, pulling the handle for pulling out the drawer to release the fixation from the fixing mechanism, and the subsequent operation to pull out the drawer. In connection with the pulling operation, the first feature is that, together with the unfixing operation, the pair of conveyance rollers constituting the supplying means are relatively separated, and the paper is removed by the supplying means. When pulling out a drawer in the event of a jam, by switching the fixing mechanism to the unlocked state before pulling out the drawer, the pair of transport rollers will be switched to the separated state, so all that is left to do is to pull out the drawer. The paper that has been caught in the supply means can be removed from the apparatus, or even if the paper is torn and a portion remains inside the supply means, this can be done very easily and easily because the transport rollers are separated. can be removed.
図面は本考案の一実施例を示し、第１図は複写
機の全体斜視図、第２図は給紙装置部分の概略断
面図、第３図は固定機構部分の断面図、第４図は
搬送解除機構部分の平面図、第５図は同側面図で
ある。そして第６図は別実施例の搬送解除機構部
分の側面図である。
５……供給手段、７……引出、１４……付勢手
段、１６……固定機構、１７……把手（固定解除
用操作具）、２５……レバー部材。
The drawings show an embodiment of the present invention, in which Fig. 1 is an overall perspective view of a copying machine, Fig. 2 is a schematic sectional view of the paper feeder section, Fig. 3 is a sectional view of the fixing mechanism section, and Fig. 4 is a cross-sectional view of the fixing mechanism section. A plan view of the transport release mechanism portion, and FIG. 5 is a side view of the same. FIG. 6 is a side view of the transport release mechanism portion of another embodiment. 5... Supply means, 7... Drawer, 14... Urging means, 16... Fixing mechanism, 17... Handle (operating tool for releasing fixation), 25... Lever member.
Claims (1)
の本体内に互いに接離自在となるように設けた
一対の搬送ローラよりなる供給手段に臨む給紙
位置に対して挿し入れ・固定・引き出し自在に
設けられる給紙装置であつて、前記引出の前面
に回動操作自在に設けた把手と一体のアームに
係合部を形成し、その引出が前記給紙位置に挿
入されると、付勢手段によつて、前記画像形成
装置の本体側に形成した被係合部に前記アーム
の係合部が係止されてその引出が固定されると
ともに、そのアームと連係動作するレバー部材
を前記画像形成装置の本体側に設け、前記アー
ムの係合部の係止状態下でそのレバー部材によ
つて前記一方の搬送ローラが他方の搬送ローラ
に対接付勢される一方、前記把手の回動操作に
より、前記係合部の係止状態が解除されて前記
引出が引き出し自在とされるとともに、前記レ
バー部材が前記アームと連係動作して前記一方
の搬送ローラを他方の搬送ローラから離間さ
せ、かつその引出が引き出されると、前記レバ
ー部材に対する前記アームの連係が解除される
ようにしたことを特徴とする給紙装置。 (2) 前記引出が、用紙の搬送方向に直交する方向
に出入自在である実用新案登録請求の範囲第(1)
項に記載の給紙装置。[Scope of Claim for Utility Model Registration] (1) A paper feed position where a drawer for storing paper faces a supply means consisting of a pair of conveyance rollers provided in the main body of the image forming apparatus so as to be able to move toward and away from each other. A paper feeding device that can be inserted, fixed, and pulled out from a paper feeder, wherein an engaging portion is formed on an arm integrated with a handle rotatably provided on the front surface of the drawer, and the drawer When the arm is inserted into the paper position, the engaging part of the arm is engaged with the engaged part formed on the main body side of the image forming apparatus by the biasing means, and the drawer is fixed. A lever member that operates in conjunction with the arm is provided on the main body side of the image forming apparatus, and the one conveyance roller is brought into contact with the other conveyance roller by the lever member when the engaging portion of the arm is in a locked state. On the other hand, when the handle is rotated, the locking state of the engaging portion is released and the drawer can be freely pulled out, and the lever member operates in conjunction with the arm to transport the one of the drawers. A paper feeding device characterized in that when the roller is separated from the other conveyance roller and the drawer is pulled out, the arm is disengaged from the lever member. (2) Utility model registration claim No. (1) in which the drawer can be freely moved in and out in a direction perpendicular to the paper conveyance direction.
Paper feeding device as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986095227U JPH0452192Y2 (en) | 1986-06-21 | 1986-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986095227U JPH0452192Y2 (en) | 1986-06-21 | 1986-06-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS631826U JPS631826U (en) | 1988-01-08 |
| JPH0452192Y2 true JPH0452192Y2 (en) | 1992-12-08 |
Family
ID=30959543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986095227U Expired JPH0452192Y2 (en) | 1986-06-21 | 1986-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452192Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010018444A (en) * | 2009-10-20 | 2010-01-28 | Ricoh Co Ltd | Sheet case, sheet storing device using it and image forming device |
| JP2010150046A (en) * | 2010-03-04 | 2010-07-08 | Ricoh Co Ltd | Sheet case, sheet storing device using the same and image forming device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS572343Y2 (en) * | 1976-09-30 | 1982-01-14 |
-
1986
- 1986-06-21 JP JP1986095227U patent/JPH0452192Y2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010018444A (en) * | 2009-10-20 | 2010-01-28 | Ricoh Co Ltd | Sheet case, sheet storing device using it and image forming device |
| JP2010150046A (en) * | 2010-03-04 | 2010-07-08 | Ricoh Co Ltd | Sheet case, sheet storing device using the same and image forming device |
| JP4551975B2 (en) * | 2010-03-04 | 2010-09-29 | 株式会社リコー | Sheet case, sheet storage device using the same, and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS631826U (en) | 1988-01-08 |
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