JPH0350132Y2 - - Google Patents
Info
- Publication number
- JPH0350132Y2 JPH0350132Y2 JP13469585U JP13469585U JPH0350132Y2 JP H0350132 Y2 JPH0350132 Y2 JP H0350132Y2 JP 13469585 U JP13469585 U JP 13469585U JP 13469585 U JP13469585 U JP 13469585U JP H0350132 Y2 JPH0350132 Y2 JP H0350132Y2
- Authority
- JP
- Japan
- Prior art keywords
- paper
- path
- section
- recording
- cassette case
- 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
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
- 108091008695 photoreceptors Proteins 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Conveyance By Endless Belt Conveyors (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Counters In Electrophotography And Two-Sided Copying (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、例えばレーザビームプリンタや静電
写真複写機等の画像形成装置に用いられるカセツ
トケースに関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a cassette case used in an image forming apparatus such as a laser beam printer or an electrostatographic copying machine.
上記画像形成装置として、第７図に示すよう
に、カセツトケース装填部３２を装置本体内の作
像部A′の下部側に設けると共に、該カセツトケ
ース装填部３２の給紙部３３から給紙反転経路部
３４、転写部３５、定着部３６に至る記録経路
B′と、該経路B′からの記録紙ａを排紙トレイ３
７に排紙する排紙経路C′とを配置し、かつ、前記
排紙経路C′を排紙方向はと逆向きの搬送状態に切
換え自在に構成すると共に、該逆向き搬送経路か
らの記録紙ａを転写部３５に至るまでの前記記録
経路B′に合流させる再給紙経路D′を配設したし
たものがある。
As shown in FIG. 7, the image forming apparatus described above has a cassette case loading section 32 provided at the lower side of the image forming section A' in the main body of the apparatus, and a paper feed section 33 of the cassette case loading section 32 that feeds paper. Recording path leading to the reversing path section 34, the transfer section 35, and the fixing section 36
B' and the recording paper a from the path B' to the paper output tray 3.
A paper ejection path C' for ejecting paper is arranged in the paper ejection direction 7, and the paper ejection path C' is configured to be able to be freely switched to a conveying state in which the paper is ejected in the opposite direction. There is one in which a paper refeeding path D' is provided for causing the paper a to join the recording path B' up to the transfer section 35.
かかる装置によれば、前記記録経路B′が給紙
反転経路部３４を有する所謂ブーメランタイプの
ものであるから、給紙方向における装置長さが短
くなつて、装置全体をコンパクトにまとめること
ができる。 According to this device, since the recording path B' is of a so-called boomerang type having the paper feed reversing path portion 34, the length of the device in the paper feeding direction is shortened, and the entire device can be made compact. .
その上、片面記録後の記録紙ａを排紙経路C′で
スイツチバツクさせて該記録紙ａを再給紙経路
D′に導入させることにより、記録紙ａの裏面側
にも該像を記録する両面記録の形態をとることも
できる。 Moreover, the recording paper a after single-sided recording is switched back and forth on the paper ejection path C', and the recording paper a is re-feeded to the paper ejection path C'.
By introducing the image into D', it is possible to perform double-sided recording in which the image is also recorded on the back side of the recording paper a.
しかし、再給紙のための経路D′を作像部A′と
カセツトケース装填部３２との間に配置する関係
上、装置全体が嵩高になる欠点があつたのであ
る。
However, since the path D' for paper refeeding is disposed between the image forming section A' and the cassette case loading section 32, there is a drawback that the entire apparatus becomes bulky.
本考案は、カセツトケースに対する合理的な改
良によつて、両面記録機能を備える画像形成装置
を嵩低く構成できるようにすることを目的として
いる。 An object of the present invention is to make it possible to construct an image forming apparatus having a double-sided recording function with a low bulk by rationally improving the cassette case.
上記目的を達成するために本考案は、カセツト
ケース装填部を装置本体内の作像部の下部側に設
けると共に、該カセツトケース装填部の給紙部か
ら給紙反転経路部、転写部、定着部に至る記録経
路と、該経路からの記録紙を排紙トレイに排紙す
る排紙経路とを配置し、かつ、前記排紙経路を排
紙方向とは逆向きの搬送状態に切換え自在に構成
すると共に、該逆向き搬送経路からの記録紙を転
写部に至るまでの前記記録経路に合流させる再給
紙経路を配設した画像形成装置に用いるカセツト
ケースとして、ケース本体の挿脱操作部側で且つ
装填状態において前記逆向き搬送時の経路下流側
に臨む部位に、前記再給紙経路の一部を構成する
上下方向の貫通経路を形成した点に特徴がある。
In order to achieve the above object, the present invention provides a cassette case loading section below the image forming section in the main body of the apparatus, and connects the paper feeding section of the cassette case loading section to the paper feeding inversion path section, the transfer section, and the fixing section. A recording path leading to the section and a paper ejection path for ejecting recording paper from the path to a paper ejection tray are arranged, and the paper ejection path can be freely switched to a conveying state in the opposite direction to the paper ejection direction. As a cassette case for use in an image forming apparatus, the case body is configured to have an insertion/removal operation section for the case body, and is provided with a paper refeeding path for merging the recording paper from the reverse conveyance path into the recording path up to the transfer section. A feature is that a vertical through path forming a part of the paper refeeding path is formed on the side and facing the downstream side of the path during reverse conveyance in the loaded state.
以下、本考案の実施例を図面に基づいて説明す
ると、第１図はカセツトケースの全体を示し、第
２図は画像形成装置の一例としてのレーザビーム
プリンタの概略を示すものであつて、本体１に横
架した感光体２の周囲に、主帯電部３、現像部
４、転写部５、記録紙分離部６、クリーニング部
７をその順に感光体２の周りに配置して、作像部
Ａを構成すると共に、図外のホストコンピユータ
等から出力された画像情報に基づいてレーザ光を
前記感光体２に照射して該感光体２を露光する光
学系部８を配置してある。
Hereinafter, embodiments of the present invention will be described based on the drawings. FIG. 1 shows the entire cassette case, and FIG. 2 shows the outline of a laser beam printer as an example of an image forming apparatus. A main charging section 3, a developing section 4, a transfer section 5, a recording paper separation section 6, and a cleaning section 7 are arranged around the photoconductor 2 in that order around the photoconductor 2 suspended horizontally on the photoconductor 2. A and an optical system section 8 that irradiates the photoreceptor 2 with laser light to expose the photoreceptor 2 based on image information output from a host computer (not shown) or the like.
そして、記録紙ａを積層収容するカセツトケー
ス９の挿脱操作部ｂを除く略全体を装填するため
のカセツトケース装填部１０を前記作像部Ａの下
部側に設けると共に、該カセツトケース装填部１
０の給紙部１１側に、搬送経路を180度反転させ
る給紙反転経路部１２を配置し、かつ、当該給紙
反転経路部１２からの記録紙ａを転写部５に給紙
する搬送ベルト１３と、転写後の記録紙ａを定着
部１４に給紙する搬送ベルト１５を設けて、第３
図に示すように、前記カセツトケース装填部１０
の給紙部１１から給紙反転経路部１２、転写部
５、定着部１４に至る記録経路Ｂを構成してい
る。 A cassette case loading section 10 is provided at the lower side of the image forming section A for loading substantially the entire cassette case 9, which accommodates the recording papers a in a stacked manner, except for the insertion/removal operation section b. 1
A paper feed reversing path section 12 for reversing the transport path by 180 degrees is disposed on the paper feeding section 11 side of No. 13 and a conveyor belt 15 for feeding the recording paper a after transfer to the fixing section 14,
As shown in the figure, the cassette case loading section 10
A recording path B is formed from the paper feeding section 11 to the paper feeding reversing path section 12, the transfer section 5, and the fixing section 14.
更に、前記記録経路Ｂからの定着後の記録紙ａ
をそれの記録面を下方に向けた所謂フエースダウ
ン状態で装置上方の第１排紙トレイ１６に取り出
す排紙経路Ｃを、前記カセツトケース９の挿脱操
作部ｂの上方に相当する装置内に配置すると共
に、前記挿脱操作部ｂの上方に第２排紙トレイ１
７を設け、かつ、前記排紙経路Ｃの途中に、前記
定着後の記録紙ａを前記第１排紙トレイ１６に供
給する状態から第２排紙トレイ１７に切換え供給
する経路切換機構１８を設けて、もつて第４図に
示すように、必要に応じて、記録面を上方に向け
た所謂フエースアツプ状態で排紙ローラ対３１を
介して記録紙ａを前記第２排紙トレイ１７に取り
出すことができるようにしてある。 Further, the recording paper a after fixing from the recording path B
A paper ejection path C for ejecting the paper to the first paper ejection tray 16 located above the apparatus in a so-called face-down state with the recording surface facing downward is provided in the apparatus corresponding to the upper part of the insertion/removal operation part b of the cassette case 9. At the same time, a second paper output tray 1 is placed above the insertion/removal operation section b.
7, and a path switching mechanism 18 is provided in the middle of the paper ejection path C to switch and supply the fixed recording paper a from the first paper ejection tray 16 to the second paper ejection tray 17. Then, as shown in FIG. 4, if necessary, the recording paper a is taken out to the second paper ejection tray 17 via the paper ejection roller pair 31 in a so-called face-up state with the recording surface facing upward. It has been made possible to do so.
前記排紙経路Ｃは、複数組の排紙ローラ対１９
……と、該ローラ対間に配置のガイド部材２０，
２０から成り、かつ、第１排紙トレイ１６への排
紙方向とは逆向きの搬送状態に切換え自在であ
り、そして、前記排紙方向上流側のローラ対１９
の近くには、第５図に示すように、定着後の記録
紙ａを排紙経路Ｃに供給する状態Ｘと、第６図に
示すように、前記排紙経路Ｃを逆向き搬送に切換
えたときに記録紙ａをそのまま下方に通過させる
状態Ｙとに、夫々切換え自在の経路切換機構２１
を配置してある。 The paper ejection path C includes a plurality of paper ejection roller pairs 19.
. . . and a guide member 20 disposed between the pair of rollers,
20, and can be freely switched to a conveying state in the opposite direction to the direction of paper discharge to the first paper discharge tray 16, and a pair of rollers 19 on the upstream side in the paper discharge direction.
As shown in FIG. 5, there is a state X in which the recording paper a after fixing is fed to the paper ejection path C, and a state X in which the paper ejection path C is switched to reverse conveyance as shown in FIG. A path switching mechanism 21 that can be freely switched between state Y and state Y in which the recording paper a is allowed to pass downward as it is when
are arranged.
さて、前記カセツトケース９は、第１図及び第
２図に示すように、挿脱操作部ｂを備えたケース
本体２２に記録紙収容部２３を設けると共に、ス
プリング２４によつて上方に付勢された記録紙乗
載板２５を前記記録紙収容部２３に内蔵し、か
つ、前記記録紙収容部２３に対する開閉蓋２６を
ケース本体２２に枢着すると共に、記録紙収容部
２３と前記挿脱操作部ｂとの間に、記録紙ａを上
下方向の下方に向けて記録紙収容部２３側に貫通
させる貫通経路２７を形成し、更に、ケース挿脱
方向に間隔を隔てて複数個（３個を例示する。）
のローラ２８……を、前記記録紙収容部２３の下
方部位に配設して成る。 Now, as shown in FIGS. 1 and 2, the cassette case 9 is provided with a recording paper storage section 23 in a case body 22 equipped with an insertion/removal operation section b, and is biased upward by a spring 24. The recording paper loading plate 25 is built into the recording paper accommodating section 23, and the opening/closing lid 26 for the recording paper accommodating section 23 is pivotally attached to the case body 22. A through path 27 is formed between the operating section b and the recording paper a to pass through the recording paper accommodating section 23 in a downward direction in the vertical direction. )
rollers 28 . . . are disposed below the recording paper accommodating portion 23.
前記貫通経路の記録紙導入口は、カセツトケー
ス９をカセツトケース装填部１０に装填した状態
で且つ前記切換機構２１を通過状態Ｙに切換えた
ときに、排紙経路Ｃから逆向き搬送される記録紙
ａを導入する部位に配置されており、かつ、装置
本体１側には、ケース装填状態において前記ロー
ラ２８……が当接する駆動ローラ２９……と、そ
れらの上下ローラ２８，２９対によつて搬送され
る記録紙ａを前記給紙反転経路部３４に合流され
るガイド部３０とが設けられていて、第６図に示
すように、前記貫通経路２７からの記録紙ａを転
写部５に至るまでの記録経路Ｂに合流させる再給
紙経路Ｄが構成されている。 The recording paper inlet of the through path is used to store recording paper transported in the reverse direction from the paper ejection path C when the cassette case 9 is loaded in the cassette case loading section 10 and the switching mechanism 21 is switched to the passing state Y. The driving rollers 29 are disposed at the part where the paper a is introduced, and on the side of the main body 1 of the apparatus, the rollers 28 contact when the case is loaded, and the pair of upper and lower rollers 28 and 29. A guide section 30 is provided to guide the recording paper a conveyed through the through path 27 to the paper feed reversing path section 34, and as shown in FIG. A paper refeeding path D is configured to join the recording path B up to .
而して、第５図及び第６図に示すように、定着
後の記録紙ａを排紙経路Ｃに導入させて後に該排
紙経路Ｃを逆向き搬送状態に切換え、かつ、経路
切換機構２１を記録紙通過状態Ｙに切換えて、記
録紙ａを排紙経路Ｃにおいてスイツチバツクさせ
て、再給紙経路Ｄに導入させることより、当該記
録紙ａの裏面側に対する記録を行わせられるので
あり、そして、前記切換機構２１を再び供給状態
Ｘに切換えることによつて、両面記録後の記録紙
ａを第１排紙トレイ１６に取り出すことができる
のである。 As shown in FIGS. 5 and 6, the recording paper a after fixing is introduced into the paper ejection path C, and then the paper ejection path C is switched to the reverse conveyance state, and the path switching mechanism By switching the recording paper 21 to the recording paper passing state Y, switching the recording paper a in the paper ejection path C, and introducing it into the paper refeeding path D, recording can be performed on the back side of the recording paper a. Then, by switching the switching mechanism 21 again to the supply state X, the recording paper a after double-sided recording can be taken out to the first paper discharge tray 16.
尚、排紙経路Ｃ途中の切換機構１８を切換える
ことにより、両面記録後の記録紙ａを第２排紙ト
レイ１７に取り出すことができる。 Note that by switching the switching mechanism 18 in the middle of the paper ejection path C, the recording paper a after double-sided recording can be taken out to the second paper ejection tray 17.
また、両面複写に際して、片面複写完了後の記
録紙ａを第１排紙トレイ１６側に取り出す排紙経
路Ｃにおいてスイツチバツクさせる構成とした
が、該片面複写完了後の記録紙ａを第２排紙トレ
イ１７側に取り出すようにして、この排紙経路に
おいて記録紙ａをスイツチバツクさせる構成にす
るも良く、従つて本発明は、何れか一方のトレイ
１６または１７を備えるものを対象にすることが
可能である。 In addition, when double-sided copying is performed, the recording paper a after single-sided copying is switched to the second discharge path C for taking out the recording paper a to the first paper discharge tray 16 side. The recording paper a may be taken out to the tray 17 side, and the recording paper a may be switched back and forth in this paper ejection path. Therefore, the present invention can be applied to a device having either one of the trays 16 or 17. It is.
以上説明したように本考案によるカセツトケー
スは、ケース本体に貫通経路を形成して、裏面記
録のための再給紙経路の一部を構成させるように
したので、換言すれば、記録経路における転写部
から定着部に至る経路と再給紙経路の間のスペー
スを有効に利用して、該スペース部分に配置する
ことができるようにカセツトケースを構成したも
のであつて、カセツトケースそのものに再給紙経
路の一部を形成したところの、特異な状態のカセ
ツトケースを装備対象にすることによつて、両面
記録の機能を備える装置を嵩低く構成することが
可能になつたのである。
As explained above, in the cassette case according to the present invention, the through path is formed in the case body and forms part of the paper refeed path for recording on the back side. The cassette case is configured so that the space between the path from the unit to the fixing unit and the refeeding path can be used effectively, and the refeeding path can be placed in the space. By equipping a cassette case with a unique condition that forms part of the paper path, it became possible to construct a device with a double-sided recording function with a low bulk.
第１図はカセツトケースの一部破断斜視図、第
２図はレーザービームプリンタの縦断面図、第３
図はフエースダウン排紙の形態図、第４図はフエ
ースアツプ排紙の形態図である。第５図及び第６
図は両面記録の説明図であり、第７図は従来の両
面記録の説明図である。
５……転写部、１０……カセツトケース装填
部、１１……給紙部、１２……給紙反転経路部、
１４……定着部、１６，１７……排紙トレイ、２
２……ケース本体、２７……貫通経路、ａ……記
録紙、ｂ……挿脱操作部、Ａ……作像部、Ｂ……
記録経路、Ｃ……排紙経路、Ｄ……再給紙経路。
Figure 1 is a partially cutaway perspective view of the cassette case, Figure 2 is a vertical sectional view of the laser beam printer, and Figure 3 is a partially cutaway perspective view of the cassette case.
The figure is a diagram showing a configuration of face-down paper discharge, and FIG. 4 is a diagram of a configuration of face-up paper discharge. Figures 5 and 6
The figure is an explanatory diagram of double-sided recording, and FIG. 7 is an explanatory diagram of conventional double-sided recording. 5... Transfer section, 10... Cassette case loading section, 11... Paper feeding section, 12... Paper feeding reversing path section,
14... Fixing section, 16, 17... Paper ejection tray, 2
2... Case body, 27... Penetration path, a... Recording paper, b... Insertion/removal operation section, A... Image forming section, B...
Recording path, C... Paper ejection path, D... Paper refeeding path.
Claims (1)
下部側に設けると共に、該カセツトケース装填部
の給紙部から給紙反転経路部、転写部、定着部に
至る記録経路と、該経路からの記録紙を排紙トレ
イに排紙する排紙経路とを配置し、かつ、前記排
紙経路を排紙方向とは逆向きの搬送状態に切換え
自在に構成すると共に、該逆向き搬送経路からの
記録紙を転写部に至るまでの前記記録経路に合流
させる再給紙経路を配設した画像形成装置に用い
られるカセツトケースであつて、ケース本体の挿
脱操作部側で且つ装填状態において前記逆向き搬
送時の経路下流側に臨む部位に、前記再給紙経路
の一部を構成する上下方向の貫通経路を形成して
あることを特徴とするカセツトケース。 A cassette case loading section is provided below the image forming section in the main body of the apparatus, and a recording path from the paper feeding section of the cassette case loading section to the paper feeding reversing path section, transfer section, and fixing section, as well as a A paper ejecting path for ejecting recording paper to a paper ejecting tray is arranged, and the paper ejecting path is configured to be freely switchable to a conveying state in the opposite direction to the paper ejecting direction. A cassette case used in an image forming apparatus that is provided with a paper refeeding path for merging the recording paper into the recording path up to the transfer section, the cassette case being located on the insertion/removal operation section side of the case body and in the loaded state. What is claimed is: 1. A cassette case characterized in that a vertical passageway forming a part of the sheet refeeding path is formed in a portion facing the downstream side of the path during conveyance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13469585U JPH0350132Y2 (en) | 1985-08-31 | 1985-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13469585U JPH0350132Y2 (en) | 1985-08-31 | 1985-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6241747U JPS6241747U (en) | 1987-03-12 |
| JPH0350132Y2 true JPH0350132Y2 (en) | 1991-10-25 |
Family
ID=31036174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13469585U Expired JPH0350132Y2 (en) | 1985-08-31 | 1985-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0350132Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0522539Y2 (en) * | 1988-05-13 | 1993-06-10 |
-
1985
- 1985-08-31 JP JP13469585U patent/JPH0350132Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6241747U (en) | 1987-03-12 |
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