JPH0812165A - Paper discharge mechanism - Google Patents

Paper discharge mechanism

Info

Publication number
JPH0812165A
JPH0812165A JP14935394A JP14935394A JPH0812165A JP H0812165 A JPH0812165 A JP H0812165A JP 14935394 A JP14935394 A JP 14935394A JP 14935394 A JP14935394 A JP 14935394A JP H0812165 A JPH0812165 A JP H0812165A
Authority
JP
Japan
Prior art keywords
paper
paper discharge
sheet
tray
discharge tray
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.)
Withdrawn
Application number
JP14935394A
Other languages
Japanese (ja)
Inventor
Mamoru Takayama
守 高山
Yutaka Shoji
裕 庄司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Priority to JP14935394A priority Critical patent/JPH0812165A/en
Publication of JPH0812165A publication Critical patent/JPH0812165A/en
Withdrawn legal-status Critical Current

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Abstract

PURPOSE:To provide a paper discharge mechanism by which the device installing area is reduced by arranging a receiving part to support the rear end of a paper sheet of a paper discharge tray inside of a device. CONSTITUTION:A paper discharge drive roller 1 and a paper discharge idler roller 2 are arranged at a paper sheet discharge port of a device 5, and a paper discharge tray 3 having a receiving part 3' to support the rear end of a paper sheet is arranged in its slant posture on the under side so that the rear end of the paper sheet 4 is loaded lower than the tip. The receiving part 3' to support the rear end of the paper sheet 4 of the paper discharge tray 3 is arranged at least more inside of the device than the paper discharge drive roller 1 and the paper discharge idler roller 2.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は印刷装置、複写機等にお
ける排紙トレイの装置からの突出量を少なくし、装置設
置面積を小さくする排紙機構に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper discharge mechanism for reducing the amount of projection of a paper discharge tray from a device in a printing apparatus, a copying machine or the like, and reducing the installation area of the apparatus.

【0002】[0002]

【従来の技術】従来の装置は図2に示す様に排紙ドライ
ブローラ1、排紙アイドラローラ2の下部に排紙トレイ
3がスナップフィット、ネジ等何れかの方法により固定
されており、前記排紙トレイ3は用紙の後端が先端より
も低く積載されるよう傾いている。これは前記排紙トレ
イ3に積載された用紙4″が排紙ドライブローラ1、排
紙アイドラローラ2より送り出される用紙4によってず
らされぬよう、また、積載された用紙4″を排紙トレイ
3の受け部3′に揃えるようにする為であることはよく
知られている。
2. Description of the Related Art In a conventional apparatus, as shown in FIG. 2, a paper ejection tray 3 is fixed to the lower part of a paper ejection drive roller 1 and a paper ejection idler roller 2 by any method such as snap fitting and screws. The discharge tray 3 is inclined so that the rear end of the sheets is stacked lower than the front end. This is so that the paper 4 ″ stacked on the paper discharge tray 3 is not displaced by the paper 4 sent from the paper discharge drive roller 1 and the paper discharge idler roller 2, and the stacked paper 4 ″ is discharged onto the paper discharge tray 3 It is well known that it is to be aligned with the receiving portion 3'of.

【0003】排紙ドライブローラ1、排紙アイドラロー
ラ2によって挾持搬送された用紙の先端部は排紙トレイ
3、または前記積載された用紙4″にならい送り出さ
れ、前記排紙ドライブローラ1、排紙アイドラローラ2
によって用紙の後端部4′が蹴りだされた後、排紙トレ
イ3の斜面に沿って滑り落ち、排紙トレイ3の受け部
3′に当接するように積載される。このとき、排紙トレ
イ3に積載された用紙4″と次の用紙4との間には空気
の層が残るため、排紙トレイ3の斜面に沿って用紙4が
滑り落ちることもよく知られている。
The leading edge of the sheet nipped and conveyed by the sheet discharge drive roller 1 and the sheet discharge idler roller 2 is sent out following the sheet discharge tray 3 or the stacked sheet 4 ", and the sheet discharge drive roller 1 and the sheet discharge roller 1 are discharged. Paper idler roller 2
After the trailing edge portion 4'of the sheet is kicked out by the sheet, it slides down along the slope of the sheet ejection tray 3 and is stacked so as to come into contact with the receiving portion 3'of the sheet ejection tray 3. At this time, since a layer of air remains between the sheet 4 ″ stacked on the sheet ejection tray 3 and the next sheet 4, it is well known that the sheet 4 slides down along the slope of the sheet ejection tray 3. There is.

【0004】[0004]

【発明が解決しようとする課題】従来の排紙機構は、排
紙トレイの用紙の後端を支える受け部3´が排紙ドライ
ブローラ1、排紙アイドラローラ2の下側に位置してい
るため、排紙トレイ3は排紙トレイの大きさの分だけ装
置から突出してしまい、装置設置面積が大きくなるとい
う問題があった。
In the conventional paper discharge mechanism, the receiving portion 3'for supporting the rear end of the paper in the paper discharge tray is located below the paper discharge drive roller 1 and the paper discharge idler roller 2. Therefore, there is a problem that the paper ejection tray 3 projects from the device by the size of the paper ejection tray, and the device installation area increases.

【0005】本発明の目的は、上記した従来技術の排紙
トレイの大きさ分装置設置面積が大きくなるという欠点
をなくし、装置設置面積を小さくする排紙機構を提供す
ることである。
SUMMARY OF THE INVENTION An object of the present invention is to provide a paper discharge mechanism that reduces the device installation area by eliminating the disadvantage that the device installation area is increased by the size of the prior art paper discharge tray.

【0006】[0006]

【課題を解決するための手段】上記目的は、排紙トレイ
の用紙の後端を支える受け部を排紙ドライブローラ、排
紙アイドラローラよりも装置内側へ配置し、排紙トレイ
の突出量を少なくすることにより達成できる。
The above-mentioned object is to arrange a receiving portion for supporting the rear end of the paper of the discharge tray inside the apparatus with respect to the discharge drive roller and the discharge idler roller, and to prevent the discharge tray from protruding. It can be achieved by reducing the number.

【0007】[0007]

【作用】上記のように構成された排紙機構は、排紙ドラ
イブローラ、排紙アイドラローラにより用紙を排出した
後、用紙の後端部は自重またはローラ等により装置内部
に配置してある排紙トレイの用紙の後端を支える受け部
まで移動するため、排紙トレイの用紙の後端を支える受
け部を排紙ドライブローラ、排紙アイドラローラの下部
に配置せずに装置内側に配置することができる。そのた
め排紙トレイは排紙トレイの大きさ分装置から突出させ
なくてよく、装置設置面積を小さくすることができる。
The sheet discharging mechanism configured as described above discharges the sheet by the sheet discharging drive roller and the sheet discharging idler roller, and then the trailing edge of the sheet is discharged by its own weight or by a roller or the like inside the apparatus. Since it moves to the receiving part that supports the trailing edge of the paper in the paper tray, place the receiving part that supports the trailing edge of the paper in the paper ejection tray inside the device instead of arranging it below the paper ejection drive roller and paper ejection idler roller. be able to. Therefore, the discharge tray does not have to be protruded from the device by the size of the discharge tray, and the device installation area can be reduced.

【0008】[0008]

【実施例】以下実施例を示した図面を用いて本発明の排
紙機構を説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The paper discharge mechanism of the present invention will be described below with reference to the drawings showing the embodiments.

【0009】図1は本発明の一実施例を示す側面図であ
る。モータ(図示せず)により駆動回転する排紙ドライ
ブローラ1と、排紙ドライブローラ1と協働して用紙4
を挾持搬送する排紙アイドラローラ2が装置5の用紙排
出部に配置され、排紙ドライブローラ1と排紙アイドラ
ローラ2の下部位置には排紙トレイ3が装置5のピン
5′に装着されている。前記排紙トレイ3の用紙の後端
を支える受け部3′は前記排紙ドライブローラ1と排紙
アイドラローラ2よりも装置内側に配置されており、ま
た、前記排紙トレイ3は用紙4″積載時用紙の後端が先
端よりも低くなるよう傾けられている。尚、前記傾きは
10°以上がのぞましい。
FIG. 1 is a side view showing an embodiment of the present invention. The paper discharge drive roller 1 driven and rotated by a motor (not shown), and the paper 4 in cooperation with the paper discharge drive roller 1.
A paper discharge idler roller 2 for holding and transporting the paper is arranged in the paper discharge section of the device 5, and a paper discharge tray 3 is attached to a pin 5'of the device 5 at a position below the paper discharge drive roller 1 and the paper discharge idler roller 2. ing. The receiving portion 3'supporting the rear end of the paper of the paper discharge tray 3 is arranged inside the apparatus with respect to the paper discharge drive roller 1 and the paper discharge idler roller 2, and the paper discharge tray 3 has a paper 4 ". At the time of stacking, the rear end of the sheet is inclined so as to be lower than the front end, and the inclination is preferably 10 ° or more.

【0010】上記構成において、挾持搬送された用紙4
はその自重により、該用紙4の後端部4′が受け部3′
に揃えられるよう排紙トレイ3に積載されることは、従
来例に示した通りである。このように、本発明によれ
ば、用紙の積載に不都合を生じることなく装置5からの
排紙トレイ3の突出量をAだけとする、すなわち従来の
排紙トレイ3の突出量Bに比べ短くすることが可能とな
る。
In the above structure, the sheet 4 is held and conveyed.
Due to its own weight, the rear end portion 4'of the sheet 4 receives the receiving portion 3 '.
As described in the conventional example, the sheets are stacked on the discharge tray 3 so as to be aligned with each other. As described above, according to the present invention, the amount of protrusion of the discharge tray 3 from the device 5 is set to only A without causing inconvenience in stacking sheets, that is, shorter than the amount B of protrusion of the conventional discharge tray 3. It becomes possible to do.

【0011】図3は排紙トレイ3の上部に搬送用ローラ
6を備えた実施例を示したものであり、この場合、用紙
4の後端部4′を排紙トレイ3の受け部3′にきれいに
揃えることが可能となる。
FIG. 3 shows an embodiment in which a conveying roller 6 is provided on the upper portion of the paper discharge tray 3, and in this case, the rear end portion 4'of the paper 4 is placed in the receiving portion 3'of the paper discharge tray 3. It is possible to arrange them neatly.

【0012】また、図4は排紙トレイ3の形状を途中か
ら変化させ、前記用紙4が排紙トレイ3の斜面に沿って
滑り落ちる動作がスムーズに行えるように工夫した実施
例を示したものであり、機能は同じである。
FIG. 4 shows an embodiment in which the shape of the paper discharge tray 3 is changed from the middle so that the paper 4 can smoothly slide down along the slope of the paper discharge tray 3. Yes, the functionality is the same.

【0013】[0013]

【発明の効果】以上のように本発明によれば、排紙トレ
イの用紙の後端を支える受け部を排紙ドライブローラと
排紙アイドラローラよりも装置内側へ配置したので、排
紙トレイの装置からの突出量を極力少なくでき、装置設
置面積を小さくすることができる。
As described above, according to the present invention, the receiving portion for supporting the rear end of the paper in the paper discharge tray is arranged inside the device with respect to the paper discharge drive roller and the paper discharge idler roller. The amount of protrusion from the device can be minimized, and the device installation area can be reduced.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明排紙機構の一実施例を示す側面図であ
る。
FIG. 1 is a side view showing an embodiment of a paper discharge mechanism of the present invention.

【図2】従来例の一例を示す側面図である。FIG. 2 is a side view showing an example of a conventional example.

【図3】本発明排紙機構の他の実施例を示す側面図であ
る。
FIG. 3 is a side view showing another embodiment of the paper discharge mechanism of the present invention.

【図4】本発明排紙機構の他の実施例を示す側面図であ
る。
FIG. 4 is a side view showing another embodiment of the paper discharge mechanism of the present invention.

【符号の説明】[Explanation of symbols]

1は排紙ドライブローラ、2は排紙アイドラローラ、3
は排紙トレイ、4は用紙、5は装置である。
1 is a paper ejection drive roller, 2 is a paper ejection idler roller, 3
Is a paper discharge tray, 4 is a sheet, and 5 is a device.

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 用紙を排出する排紙ドライブローラと、
排紙ドライブローラと協働して用紙を挾持搬送する排紙
アイドラローラと、前記排紙ドライブローラと排紙アイ
ドラローラにより排出された用紙を積載し、前記用紙の
後端を支える受け部を有する排紙トレイとからなる排紙
機構において、前記排紙トレイの受け部を少なくとも前
記排紙ドライブローラ、排紙アイドラローラよりも装置
内側に配置することを特徴とする排紙機構。
1. A paper ejection drive roller for ejecting paper,
It has a paper discharge idler roller that holds and conveys the paper in cooperation with the paper discharge drive roller, and a receiver that stacks the paper discharged by the paper discharge drive roller and the paper discharge idler roller and supports the rear end of the paper. In a paper discharge mechanism including a paper discharge tray, a receiving portion of the paper discharge tray is disposed at least inside the device with respect to the paper discharge drive roller and the paper discharge idler roller.
【請求項2】 排紙トレイを、用紙の後端が先端よりも
低く積載されるように傾けたことを特徴とする請求項1
記載の排紙機構。
2. The paper discharge tray is tilted so that the rear end of the paper is stacked lower than the front end.
The described paper ejection mechanism.
【請求項3】 排紙トレイの上部に、搬送用ローラを備
えたことを特徴とする請求項1記載の排紙機構。
3. The paper discharge mechanism according to claim 1, further comprising a carrying roller provided above the paper discharge tray.
【請求項4】 排紙トレイの形状を、途中より傾きを変
化させるようにしたことを特徴とする請求項1記載の排
紙機構。
4. The paper discharge mechanism according to claim 1, wherein the shape of the paper discharge tray is changed from the middle thereof.
JP14935394A 1994-06-30 1994-06-30 Paper discharge mechanism Withdrawn JPH0812165A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14935394A JPH0812165A (en) 1994-06-30 1994-06-30 Paper discharge mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14935394A JPH0812165A (en) 1994-06-30 1994-06-30 Paper discharge mechanism

Publications (1)

Publication Number Publication Date
JPH0812165A true JPH0812165A (en) 1996-01-16

Family

ID=15473279

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14935394A Withdrawn JPH0812165A (en) 1994-06-30 1994-06-30 Paper discharge mechanism

Country Status (1)

Country Link
JP (1) JPH0812165A (en)

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Legal Events

Date Code Title Description
A300 Withdrawal of application because of no request for examination

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20010904