JPH0891628A - Document feeding device - Google Patents
Document feeding deviceInfo
- Publication number
- JPH0891628A JPH0891628A JP22910694A JP22910694A JPH0891628A JP H0891628 A JPH0891628 A JP H0891628A JP 22910694 A JP22910694 A JP 22910694A JP 22910694 A JP22910694 A JP 22910694A JP H0891628 A JPH0891628 A JP H0891628A
- Authority
- JP
- Japan
- Prior art keywords
- document
- signal
- paper discharge
- sensor
- transport
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、電子複写機等の原稿台
上に原稿を自動的に供給する原稿送り装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document feeder for automatically feeding a document onto a document table such as an electronic copying machine.
【0002】[0002]
【従来の技術】図9に示す従来の原稿送り装置300
は、上部にB5版,A4版等各種サイズの原稿Dを載置
する原稿給紙台301と、この原稿給紙台301から原
稿Dを順次取り出すピックアップローラ302と、この
ピックアップローラ302により取り出された原稿Dの
分離搬送を行う分離ベルト303と、原稿Dを原稿台
(原稿ガラス)400へ向けて搬送する給紙ローラ30
4と、原稿の整位を行うアラインニグローラ305と、
原稿台400上に原稿Dを接触させつつ搬送する原稿押
圧搬送部306と、この原稿押圧搬送部306の下流側
側方に設けた原稿Dの方向反転を行う反転ローラ307
と、フラッパ308と、排紙ローラ309と、反転ロー
ラ307、フラッパ308、排紙ローラ309を経由す
る排紙搬送路310とを有している。尚、図7中、31
6は原稿ストッパである。2. Description of the Related Art A conventional document feeder 300 shown in FIG.
Is a document feeding table 301 on which documents D of various sizes such as B5 and A4 are placed, a pickup roller 302 for sequentially fetching the documents D from the document feeding table 301, and a pickup roller 302 for taking out the documents D. Separation belt 303 that separates and conveys the original document D, and a paper feed roller 30 that conveys the original document D toward a document table (original glass) 400.
4, an aligning roller 305 for aligning the original,
A document pressing / conveying unit 306 that conveys the document D while contacting the document table 400, and a reversing roller 307 that reverses the direction of the document D provided on the downstream side of the document pressing / conveying unit 306.
A flapper 308, a paper discharge roller 309, a reversing roller 307, a flapper 308, and a paper discharge conveyance path 310 passing through the paper discharge roller 309. Incidentally, 31 in FIG.
Reference numeral 6 is a document stopper.
【0003】前記排紙搬送路310には、排紙される原
稿Dのジャム(詰り)検知を行う排紙センサ315を設
けている。A discharge sensor 315 for detecting a jam (clogging) of the discharged document D is provided on the discharge conveyance path 310.
【0004】前記原稿押圧搬送部306は、一対のプー
リ311,312に搬送ベルト313を掛け渡し、この
搬送ベルト313の下面側を前記原稿台400に接触さ
せて搬送ベルト313と原稿台400との摩擦力により
原稿Dを反転ローラ307側へ搬送するようになってい
る。The original document pressing / conveying unit 306 extends a conveyor belt 313 around a pair of pulleys 311 and 312, and the lower surface side of the conveyor belt 313 is brought into contact with the original table 400 to connect the conveyor belt 313 and the original table 400. The document D is conveyed to the reverse roller 307 side by the frictional force.
【0005】[0005]
【発明が解決しようとする課題】しかし、上述した従来
装置の場合、排紙搬送路310上における原稿Dのジャ
ム検知を前記排紙センサ315のみで行うものであるた
め、排紙センサ315がオンした時点から一定時間(原
稿Dの送り方向の長さ/搬送速度+マージン(余裕))
が経過しないとジャム状態の確定ができず、例えば、原
稿Dの先端が排紙センサ315をオンした直後にジャム
が発生した場合、上述した一定時間経過するまでは原稿
Dの搬送が継続され、このため、原稿Dがアコーディオ
ン状に折り曲げられ反転ローラ307等に損傷を与える
等の問題があった。However, in the case of the above-described conventional apparatus, since the jam of the document D on the paper discharge conveyance path 310 is detected only by the paper discharge sensor 315, the paper discharge sensor 315 is turned on. For a certain period of time (length of original D in the feeding direction / conveyance speed + margin)
If the jam has not been confirmed until the time elapses, for example, when a jam occurs immediately after the leading edge of the document D turns on the paper discharge sensor 315, the document D is continuously conveyed until the above-described fixed time elapses. Therefore, there is a problem that the document D is bent in an accordion shape and damages the reversing roller 307 and the like.
【0006】そこで、本発明は、排紙部における原稿の
搬送位置の如何を問わず原稿詰りを迅速に確定して構成
部品への損傷を未然に回避できる原稿送り装置を提供す
ることを目的とするものである。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a document feeder which can quickly determine a jam of a document regardless of the transport position of the document in the paper discharge section and avoid damage to components. To do.
【0007】[0007]
【課題を解決するための手段】請求項1記載の原稿送り
装置は、原稿台に原稿を供給するとともに、原稿台を通
過した原稿を排出処理する排紙部を備えた装置本体と、
前記排紙部に配置され搬送中の原稿の有無を示す原稿有
無信号を送出する排紙検出手段と、前記排紙部に配置さ
れ原稿の搬送速度を示す搬送速度信号を送出する原稿搬
送検出手段と、排紙検出手段からの原稿有無信号、原稿
搬送検出手段からの搬送速度信号及びこれらの経時変化
を監視し前記排紙部の原稿搬送状態の正常、異常を確定
する排紙状態監視手段とを有するものである。According to a first aspect of the present invention, there is provided a document feeder for supplying a document to a document table and a device main body provided with a paper discharge section for discharging the document that has passed through the document table.
A paper discharge detecting unit arranged in the paper discharge unit for sending a document presence / absence signal indicating the presence / absence of a document being transported, and a document transport detecting unit arranged in the paper discharge unit for transmitting a transport speed signal indicating the transport speed of the document. And a discharge state monitoring means for determining whether the document transport state of the sheet discharge section is normal or abnormal by monitoring the document presence / absence signal from the sheet discharge detection means, the transport speed signal from the document transport detection means, and changes with time of these signals. Is to have.
【0008】請求項2記載の原稿送り装置は、原稿台に
原稿を供給するとともに、原稿台を通過した原稿を排出
処理する排紙部を備えた装置本体と、前記排紙部に配置
され搬送中の原稿の有無を示す原稿有無信号を送出する
排紙検出手段と、前記排紙部に配置され原稿の搬送速度
を示す搬送速度信号を送出する原稿搬送検出手段と、排
紙検出手段からの原稿有無信号、原稿搬送検出手段から
の搬送速度信号及びこれらの経時変化を監視し、排紙検
出手段からの原稿有信号が入力されてから一定時間経過
後原稿搬送検出手段からの搬送速度信号が無いとき、排
紙検出手段からの原稿有信号が入力され原稿搬送検出手
段からの搬送速度信号が入力された後排紙検出手段から
の原稿有信号が予め定めた所定時間以上継続していると
き、一旦原稿有信号を送出した排紙検出手段からの原稿
無信号が入力され一旦搬送速度信号を送出した前記原稿
搬送検出手段からの搬送速度信号が入力されない状態が
予め定めた所定時間以上継続しているとき及び一旦原稿
有信号を送出した排紙検出手段からの原稿無信号が入力
され一旦搬送速度信号を送出した前記原稿搬送検出手段
からの搬送速度信号の変化が許容値外のとき各々前記排
紙部の原稿搬送状態が異常であると確定する排紙状態監
視手段とを有するものである。According to a second aspect of the present invention, there is provided a document feeder which supplies a document to a document table and which has a sheet discharging section for discharging the document that has passed through the document table, and which is disposed in the sheet discharging section and conveys the document. Paper discharge detection means for sending a document presence / absence signal indicating the presence / absence of a document in the inside, document conveyance detection means for sending a conveyance speed signal indicating the conveyance speed of the document arranged in the paper discharge section, and paper discharge detection means The document presence / absence signal, the transport speed signal from the document transport detection unit, and changes in these with time are monitored, and the transport speed signal from the document transport detection unit is detected after a certain time has elapsed since the document presence signal from the paper discharge detection unit was input. When there is not, when the original signal from the discharge detecting means is input and the conveying speed signal from the original conveying detecting means is input, the original signal from the discharging detecting means continues for a predetermined time or more. , Once the manuscript When no document signal is input from the paper discharge detection means that has sent out the transport speed signal and the transport speed signal from the document transport detection means that once sent the transport speed signal is not input continues for a predetermined time or more, and once When a no-document signal from the paper discharge detection means that has sent the document existence signal is input and the change in the transport speed signal from the document transport detection means that has once sent the transport speed signal is outside the permissible value. And a discharge state monitoring unit that determines that the transport state is abnormal.
【0009】請求項3記載の原稿送り装置は、原稿台に
原稿を供給するとともに、原稿台を通過した原稿を排出
処理する排紙部を備えた装置本体と、前記排紙部に配置
され搬送中の原稿の有無に応じて変位する接触片の動作
で原稿有無信号を送出する排紙センサと、前記排紙部に
配置され原稿の搬送速度に応じて変化するパルス状の搬
送速度信号を送出する原稿搬送センサと、排紙センサか
らの原稿有無信号、原稿搬送センサからの搬送速度信号
及びこれらの経時変化を監視し、排紙センサからの原稿
有信号が入力されてから一定時間経過後原稿搬送センサ
からの搬送速度信号が無いとき、排紙センサからの原稿
有信号が入力され原稿搬送センサからの搬送速度信号が
入力された後排紙センサからの原稿有信号が予め定めた
所定時間以上継続しているとき、一旦原稿有信号を送出
した排紙センサからの原稿無信号が入力され一旦搬送速
度信号を送出した前記原稿搬送センサからの搬送速度信
号が入力されない状態が予め定めた所定時間以上継続し
ているとき及び一旦原稿有信号を送出した排紙センサか
らの原稿無信号が入力され一旦搬送速度信号を送出した
前記原稿搬送センサからの搬送速度信号の変化が許容値
外のとき各々前記排紙部の原稿搬送状態が異常であると
確定する排紙状態監視手段とを有するものである。According to a third aspect of the present invention, there is provided a document feeder which supplies a document to a document table and which has a sheet discharging section for discharging a document that has passed through the document table, and which is disposed in the sheet discharging section and conveys the document. A paper discharge sensor that sends a document presence / absence signal by the operation of a contact piece that is displaced according to the presence or absence of a document inside, and a pulse-shaped transport speed signal that is arranged in the paper discharge section and that changes according to the transport speed of the document The original feed sensor, the presence / absence signal of the original from the paper ejection sensor, the conveyance speed signal from the original conveyance sensor, and their changes over time are monitored, and after a certain time has elapsed since the original signal from the paper ejection sensor was input, the original When there is no transport speed signal from the transport sensor, the document presence signal from the paper discharge sensor is input and the transport speed signal from the document transport sensor is input, and then the document presence signal from the paper discharge sensor is for a predetermined time or more Continue In this state, a state in which no document signal is input from the paper discharge sensor that once transmitted the document presence signal and the transport speed signal from the document transport sensor that once transmitted the transport speed signal is not input continues for a predetermined time or more. , And when the change of the transport speed signal from the document transport sensor which has once sent the transport speed signal and the transport speed signal has been input is outside the permissible value. And a discharge state monitoring unit that determines that the document conveyance state of the paper unit is abnormal.
【0010】[0010]
【作用】以下に、本発明の作用を説明する。The function of the present invention will be described below.
【0011】請求項1記載の原稿送り装置の排紙部によ
り原稿台を通過した原稿を排出処理する際に、前記排紙
部に配置された排紙検出手段は搬送中の原稿の有無を示
す原稿有無信号を送出する。また、前記原稿搬送検出手
段は、原稿の搬送速度を示す搬送速度信号を送出する。When a document passing through the document table is discharged by the discharge unit of the document feeder according to the first aspect of the invention, the discharge detecting means arranged in the discharge unit indicates whether there is a document being conveyed. Sends the document presence / absence signal. Further, the document conveyance detection means sends out a conveyance speed signal indicating the conveyance speed of the document.
【0012】排紙状態監視手段は、排紙検出手段からの
原稿有無信号、原稿搬送検出手段からの搬送速度信号及
びこれらの経時変化を監視し、前記排紙部の原稿搬送状
態の正常、異常を確定する。The paper discharge state monitoring means monitors the document presence / absence signal from the paper discharge detection means, the transport speed signal from the document transport detection means, and changes with time of these signals, and determines whether the document transport state of the paper discharge portion is normal or abnormal. To confirm.
【0013】これにより、排紙部における原稿の搬送位
置の如何を問わず原稿詰りを迅速に確定して周辺の構成
部品への損傷を未然に回避できる。With this, it is possible to quickly determine the jam of the document regardless of the transport position of the document in the paper discharge unit and to avoid damage to the peripheral components.
【0014】請求項2記載の原稿送り装置の排紙部によ
り原稿台を通過した原稿を排出処理する際に、前記排紙
部に配置された排紙検出手段は搬送中の原稿の有無を示
す原稿有無信号を送出する。また、前記原稿搬送検出手
段は、原稿の搬送速度を示す搬送速度信号を送出する。When a document passing through the document table is discharged by the paper discharge unit of the document feeder according to the second aspect, the discharge detection means arranged in the paper discharge unit indicates the presence or absence of the document being conveyed. Sends the document presence / absence signal. Further, the document conveyance detection means sends out a conveyance speed signal indicating the conveyance speed of the document.
【0015】排紙状態監視手段は、排紙検出手段からの
原稿有無信号、原稿搬送検出手段からの搬送速度信号及
びこれらの経時変化を監視し、排紙検出手段からの原稿
有信号が入力されてから一定時間経過後原稿搬送検出手
段からの搬送速度信号が無いときには、排紙検出手段を
動作させた原稿が原稿搬送検出手段の手前で紙詰りであ
るとして排紙部の原稿搬送状態が異常であると確定す
る。The paper discharge state monitoring means monitors the document presence / absence signal from the paper discharge detection means, the transport speed signal from the document transport detection means, and changes with time of these signals, and the document presence signal from the paper discharge detection means is input. If there is no transport speed signal from the document transport detection means after a certain time has elapsed, it is assumed that the document for which the discharge detection means has operated is jammed before the document transport detection means, and the document transport status of the discharge section is abnormal. To be confirmed.
【0016】また、排紙状態監視手段は、排紙検出手段
からの原稿有信号が入力され原稿搬送検出手段からの搬
送速度信号が入力された後排紙検出手段からの原稿有信
号が予め定めた所定時間以上継続しているとき、排紙検
出手段の位置の近傍で紙詰りであるとして排紙部の原稿
搬送状態が異常であると確定する。Further, the paper discharge state monitoring means predetermines the document existence signal from the paper discharge detection means after the document existence signal from the paper discharge detection means and the conveyance speed signal from the document conveyance detection means are input. When it continues for a predetermined time or longer, it is determined that the document conveyance state of the paper discharge unit is abnormal because the paper is jammed near the position of the paper discharge detection means.
【0017】さらに、排紙状態監視手段は、一旦原稿有
信号を送出した排紙検出手段からの原稿無信号が入力さ
れ一旦搬送速度信号を送出した前記原稿搬送検出手段か
らの搬送速度信号が入力されない状態が予め定めた所定
時間以上継続しているとき、排紙検出手段を通過した原
稿が原稿搬送検出手段の付近で紙詰りであるとして排紙
部の原稿搬送状態が異常であると確定する。Further, the paper discharge state monitoring means receives the document non-signal from the paper discharge detecting means which has once sent the document existence signal, and the carrying speed signal from the document carrying detecting means which has once sent the carrying speed signal. When the state of not being carried out continues for a predetermined time or more, it is determined that the document passing through the sheet discharge detecting means is jammed in the vicinity of the document conveying detecting means and the document conveying state of the sheet discharging section is abnormal. .
【0018】さらに、排紙状態監視手段は、一旦原稿有
信号を送出した排紙検出手段からの原稿無信号が入力さ
れ一旦搬送速度信号を送出した前記原稿搬送検出手段か
らの搬送速度信号の変化が許容値外のとき、排紙検出手
段を通過した原稿が原稿搬送検出手段の付近で正常に搬
送されていないものとして前記排紙部の原稿搬送状態が
異常であると確定する。Further, the paper discharge state monitoring means receives a no-document signal from the paper discharge detecting means which has once sent the original signal, and changes the carrying speed signal from the original carrying detecting means which has once sent the carrying speed signal. Is out of the permissible value, it is determined that the original having passed through the paper discharge detecting means is not normally conveyed in the vicinity of the original conveying detecting means, and the original conveying state of the paper ejecting section is abnormal.
【0019】このような動作により、排紙部における原
稿の搬送位置の如何を問わず原稿詰りを迅速に確定して
周辺の構成部品への損傷を未然に回避できる。By such an operation, the jam of the document can be promptly determined regardless of the transport position of the document in the paper discharge section, and damage to the peripheral components can be avoided in advance.
【0020】請求項3記載の原稿送り装置の排紙部によ
り原稿台を通過した原稿を排出処理する際に、前記排紙
部に配置された原稿の有無に応じて変位する接触片の動
作で排紙センサは搬送中の原稿の有無を示す原稿有無信
号を送出する。また、前記原稿搬送センサは、原稿の搬
送速度に応じたパルス状の搬送速度信号を送出する。According to the third aspect of the present invention, when the document ejecting section of the document feeding apparatus ejects a document that has passed through the document table, the contact piece is displaced depending on the presence or absence of the document arranged in the sheet ejecting section. The paper discharge sensor sends out a document presence / absence signal indicating the presence / absence of a document being conveyed. Further, the original document conveyance sensor sends out a pulse-like conveyance speed signal according to the original document conveyance speed.
【0021】排紙状態監視手段は、排紙センサからの原
稿有無信号、原稿搬送センサからの搬送速度信号及びこ
れらの経時変化を監視し、排紙センサからの原稿有信号
が入力されてから一定時間経過後原稿搬送センサからの
搬送速度信号が無いときには、排紙センサを動作させた
原稿が原稿搬送センサの手前で紙詰りであるとして排紙
部の原稿搬送状態が異常であると確定する。The paper discharge state monitoring means monitors the document presence / absence signal from the paper discharge sensor, the transport speed signal from the document transport sensor, and changes with time of these, and is constant after the document presence signal from the paper discharge sensor is input. When there is no transport speed signal from the document transport sensor after a lapse of time, it is determined that the document on which the discharge sensor is operated is jammed in front of the document transport sensor and the document transport state of the discharge unit is abnormal.
【0022】また、排紙状態監視手段は、排紙センサか
らの原稿有信号が入力され原稿搬送センサからの搬送速
度信号が入力された後排紙センサからの原稿有信号が予
め定めた所定時間以上継続しているとき、排紙センサの
位置の近傍で紙詰りであるとして排紙部の原稿搬送状態
が異常であると確定する。Further, the sheet discharge state monitoring means receives the document presence signal from the sheet discharge sensor and the transport speed signal from the document transport sensor, and then outputs the document presence signal from the sheet discharge sensor for a predetermined time. When the above operation continues, it is determined that the document conveyance state of the paper discharge unit is abnormal because the paper is jammed near the position of the paper discharge sensor.
【0023】さらに、排紙状態監視手段は、一旦原稿有
信号を送出した排紙センサからの原稿無信号が入力され
一旦搬送速度信号を送出した前記原稿搬送センサからの
搬送速度信号が入力されない状態が予め定めた所定時間
以上継続しているとき、排紙センサを通過した原稿が原
稿搬送センサの付近で紙詰りであるとして排紙部の原稿
搬送状態が異常であると確定する。Further, the discharge state monitoring means is in a state in which no document signal is input from the discharge sensor which has transmitted the document presence signal, and the transport speed signal from the document transport sensor which has transmitted the transport speed signal is not input. Is continued for a predetermined time or longer, it is determined that the original document that has passed through the paper ejection sensor is in the vicinity of the original document conveyance sensor and that the original document conveyance state of the paper ejection unit is abnormal.
【0024】さらに、排紙状態監視手段は、一旦原稿有
信号を送出した排紙センサからの原稿無信号が入力され
一旦搬送速度信号を送出した前記原稿搬送センサからの
搬送速度信号の変化が許容値外のとき、排紙センサを通
過した原稿が原稿搬送センサの付近で正常に搬送されて
いないものとして前記排紙部の原稿搬送状態が異常であ
ると確定する。Further, the discharge state monitoring means allows a change in the transport speed signal from the document transport sensor to which a document non-signal from the discharge sensor which once sent the document presence signal is input and which once sends the transport speed signal. If the value is out of the range, it is determined that the document passing through the paper discharge sensor is not normally transported near the document transport sensor, and the document transport state of the paper discharge unit is abnormal.
【0025】このような動作により、排紙部における原
稿の搬送位置の如何を問わず原稿詰りを迅速に確定して
周辺の構成部品への損傷を未然に回避できる。By such an operation, it is possible to quickly determine the jam of the document regardless of the transport position of the document in the paper discharge section and avoid damage to the peripheral components in advance.
【0026】[0026]
【実施例】以下に、本発明の実施例を詳細に説明する。EXAMPLES Examples of the present invention will be described in detail below.
【0027】図1は、本実施例の原稿送り装置1と、こ
の原稿送り装置1を取り付けた画像形成装置である電子
複写機100を示すものである。FIG. 1 shows a document feeding apparatus 1 of this embodiment and an electronic copying machine 100 which is an image forming apparatus to which the document feeding apparatus 1 is attached.
【0028】前記原稿送り装置1は、図5に示すよう
に、ヒンジユニット1aにより電子複写機100のリア
側において支持され、電子複写機100の原稿台(原稿
ガラス)101の上面を開閉するようになっている。As shown in FIG. 5, the document feeder 1 is supported on the rear side of the electronic copying machine 100 by a hinge unit 1a so as to open and close the upper surface of a document table (document glass) 101 of the electronic copying machine 100. It has become.
【0029】また、電子複写機100の上面のフロント
側には、図6に示すように、コピー釦102、表示部1
03等を備えた操作パネル104を設けている。On the front side of the upper surface of the electronic copying machine 100, as shown in FIG. 6, a copy button 102 and a display section 1 are provided.
An operation panel 104 including 03 and the like is provided.
【0030】前記自動原稿送り装置1は、図1に示すよ
うに、略直方体状の装置本体51の上部に備えたB5
版,A4版等各種サイズの原稿Dを載置する原稿給紙台
52と、この原稿給紙台52にスラスド可能に組み込ま
れ、前記原稿の両側(幅方向両側)の規制を行う一対の
サイドガイド54と、原稿給紙台52の前方に設けたジ
ャム処理蓋55と、原稿給紙台52の後方に設けた排紙
受部56等を有している。As shown in FIG. 1, the automatic document feeder 1 is provided with a B5 provided on an upper portion of a device body 51 having a substantially rectangular parallelepiped shape.
A document feed table 52 on which documents D of various sizes such as plate and A4 size are placed, and a pair of sides which are slidably incorporated in the document feed table 52 and regulate both sides (both sides in the width direction) of the document. It has a guide 54, a jam handling lid 55 provided in front of the document feeding table 52, a paper discharge receiving portion 56 provided in the rear of the document feeding table 52, and the like.
【0031】前記装置本体51の内部には、図1に示す
ように、原稿Dの給紙を行う給紙部3と、原稿Dを電子
複写機100の原稿ガラス101上で搬送する原稿搬送
手段80と、原稿搬送手段80を挟んで給紙部3と反対
側に設けた排紙部5と、この排反部5を駆動する図7に
示す排紙駆動部6とを配置している。Inside the apparatus main body 51, as shown in FIG. 1, a paper feeding section 3 for feeding the original D and an original feeding means for feeding the original D on the original glass 101 of the electronic copying machine 100. 80, a paper discharge unit 5 provided on the opposite side of the paper feed unit 3 with the document conveying unit 80 interposed therebetween, and a paper discharge drive unit 6 for driving the paper discharge unit 5 shown in FIG.
【0032】前記給紙部3は、原稿給紙台52から原稿
Dを一枚ずつ取り出すピックアップローラ63と、ペー
パー・ガイド61、原稿先端の位置規制を行うシャッタ
64と、シャッタ64の開閉駆動を行うアクチェータ6
5と、原稿Dの有無を検知する検知スイッチ66と、カ
バースイッチ67と、ピックアップローラ63により取
り出した原稿Dを搬送するベルト搬送部68、給紙ロー
ラ群69と、原稿Dを電子複写機100の原稿ガラス1
01に向けて搬送するアライニングローラ群70とを有
している。The paper feeding section 3 drives the pickup roller 63 for taking out the originals D one by one from the original feeding table 52, the paper guide 61, the shutter 64 for regulating the position of the front end of the original, and the opening / closing drive of the shutter 64. Performer 6
5, a detection switch 66 for detecting the presence / absence of the document D, a cover switch 67, a belt transport unit 68 for transporting the document D taken out by the pickup roller 63, a paper feed roller group 69, and the electronic copy machine 100 for the document D. Original glass 1
01, and an aligning roller group 70 that conveys the same toward 01.
【0033】前記原稿搬送手段80は、一対の導電性を
有するプーリ(例えば金属プーリ)81,82に搬送ベ
ルト83を掛け渡しこの搬送ベルト83の下面側を原稿
ガラス101面に接触させるとともに、所定間隔の押圧
ローラ84により搬送ベルト83の下面側を原稿ガラス
101側に押圧するようになっている。The original document conveying means 80 extends a conveyor belt 83 between a pair of conductive pulleys (for example, metal pulleys) 81 and 82 so that the lower surface side of the conveyor belt 83 is brought into contact with the surface of the original glass 101, and at a predetermined time. The lower surface side of the conveyor belt 83 is pressed against the original glass 101 side by the pressing rollers 84 at intervals.
【0034】前記排紙部5は、原稿搬送手段80により
搬送されてくる原稿Dを方向反転させる反転ローラ群7
1と、原稿Dの振り分けを行うフラッパ72と、原稿D
を排紙受部56に搬出する排紙ローラ群73と、原稿搬
送手段80の下流から排紙受部56に案内するガイド部
材74とを具備し、前記反転ローラ群71、排紙ローラ
群73を図7に示す排紙駆動部6により駆動するように
なっている。The paper discharge section 5 includes a reversing roller group 7 for reversing the direction of the document D conveyed by the document conveying means 80.
1 and the flapper 72 for sorting the original D, the original D
A discharge roller group 73 for discharging the sheet to the discharge receiving section 56 and a guide member 74 for guiding the sheet to the discharge receiving section 56 from the downstream side of the document conveying means 80. The reversing roller group 71 and the discharge roller group 73 are provided. Is driven by the paper discharge drive unit 6 shown in FIG.
【0035】この排紙部5には、図1,図2に示すよう
に、この排紙部5内を搬送中の原稿Dの有無を示す原稿
有無信号を送出する排紙検出手段であるマイクロスイッ
チを用いた排紙センサ11が前記反転ローラ群71の図
1において右側下部近傍に配置され、その接触片11a
を原稿Dの搬送経路に臨ませている。As shown in FIGS. 1 and 2, a micro paper which is a paper ejection detecting means for sending out a document presence / absence signal indicating the presence / absence of a document D being conveyed in the paper ejection unit 5 to the paper ejection unit 5. A discharge sensor 11 using a switch is arranged near the lower right side of the reversing roller group 71 in FIG.
Facing the conveyance path of the document D.
【0036】また、前記反転ローラ群71の図1におい
て右側上部近傍には図2にも示す原稿Dの搬送速度を示
すパルス状の搬送速度信号を送出する原稿搬送検出手段
である原稿搬送センサ21を配置している。Further, in the vicinity of the upper right side of the reversing roller group 71 in FIG. 1, a document conveyance sensor 21 which is a document conveyance detecting means for sending a pulse-shaped conveyance speed signal indicating the conveyance speed of the document D also shown in FIG. Are arranged.
【0037】この原稿搬送センサ21は、反転ローラ群
71の外側を包囲するガイド部材74に設けた長穴74
a内に最外周を臨ませるとともに、装置本体51の内面
に取り付けた2又状に分岐している支持片22により回
転可能に支持された回転遮光板23と、装置本体51の
内面に固着した固定板24aに取り付けられ、回転遮光
板23の外周両側に発光部、受光部を臨ませたフォトイ
ンタラプタ24とを具備している。前記回転遮光板23
には、図2に示すように、放射状の多数のスリット23
aが所定の間隔で穿設され、この回転遮光板23の原稿
Dの通過に伴う回転動作時にフォトインタラプタ24の
発光部、受光部間の光路を断続するようになっている。
また、前記支持片22は、装置本体51の内面との取り
付け位置Xにおいて図3に示すように揺動可能となって
いる。この場合、前記回転遮光板23が搬送中の原稿D
に対してより正確に追随するように図1に示す板ばね2
5を用いて反転ローラ群71側に付勢してもよい。ま
た、前記回転遮光板23の原稿Dに対する接触面に柔軟
性を有するゴム板を貼り付けたり、接触面をノコギリ状
に形成したりすることにより、この回転遮光板23を搬
送中の原稿Dに対してより正確に追随させることができ
る。The document conveying sensor 21 has an elongated hole 74 formed in a guide member 74 surrounding the reversing roller group 71.
The outermost periphery is exposed to the inside of a, and the rotary shading plate 23 is rotatably supported by a support piece 22 attached to the inner surface of the device body 51 and is fixed to the inner surface of the device body 51. The photo interrupter 24, which is attached to the fixed plate 24a and has a light emitting portion and a light receiving portion facing the outer periphery of the rotary light shield plate 23, is provided. The rotary light shield 23
2 has a large number of radial slits 23, as shown in FIG.
a is provided at a predetermined interval, and the optical path between the light emitting portion and the light receiving portion of the photo interrupter 24 is interrupted when the rotary light shielding plate 23 is rotated with the passage of the document D.
Further, the support piece 22 is swingable as shown in FIG. 3 at a mounting position X with the inner surface of the apparatus main body 51. In this case, the document D being conveyed by the rotary light shield plate 23
The leaf spring 2 shown in FIG.
5 may be used to urge the reversing roller group 71 side. Further, by attaching a flexible rubber plate to the contact surface of the rotary shading plate 23 with respect to the original D or by forming the contact surface in a sawtooth shape, the rotary shading plate 23 is fixed to the original D being conveyed. On the other hand, it can be more accurately followed.
【0038】また、図4に示すように、反転ローラ群7
1の近傍に原稿Dの搬送に従動する従動ローラ群26を
配置し、その軸27の端部に回転遮光板23を取り付け
る構成とすることもできる。Further, as shown in FIG. 4, the reversing roller group 7
It is also possible to arrange a driven roller group 26, which is driven by the conveyance of the document D, in the vicinity of 1, and attach the rotary light shielding plate 23 to the end portion of the shaft 27 thereof.
【0039】次に、前記原稿送り装置1の排紙部5の制
御系を図7を参照して説明する。Next, the control system of the paper discharge section 5 of the document feeder 1 will be described with reference to FIG.
【0040】この排紙部5の制御系は、後述するような
動作制御を行う排紙状態監視手段としての制御手段30
を具備し、この制御手段30に前記排紙センサ11、原
稿搬送センサ21を接続するととも、制御手段30によ
り排紙駆動部6の駆動、停止制御を行うようになってい
る。The control system of the paper discharge section 5 is a control means 30 as a paper discharge state monitoring means for performing operation control as described later.
In addition to connecting the paper discharge sensor 11 and the document conveyance sensor 21 to the control means 30, the control means 30 controls the drive and stop of the paper discharge drive unit 6.
【0041】次に、前記原稿送り装置1の動作を排紙部
5の排紙動作を主にし、かつ、図8をも参照して説明す
る。Next, the operation of the document feeding apparatus 1 will be described mainly with respect to the paper discharging operation of the paper discharging section 5 and also referring to FIG.
【0042】この原稿送り装置1の排紙部5により原稿
台101を通過した原稿Dを排出処理する際に、前記排
紙部5に配置された排紙センサ11は接触片11aと原
稿Dとの接触又は非接触に伴う変位により原稿の有無を
示す原稿有無信号(図7にONで示す原稿有信号又はO
FFで示す原稿無信号)を送出する。When the document discharge unit 5 of the document feeder 1 discharges the document D that has passed through the document table 101, the sheet discharge sensor 11 arranged in the sheet discharge unit 5 includes the contact piece 11a and the document D. The document presence / absence signal indicating the presence / absence of the document due to the displacement caused by the contact or non-contact of
No original signal indicated by FF) is transmitted.
【0043】また、前記原稿搬送センサ21の回転遮光
板23の原稿Dとの回転に伴いフォトインタラプタ24
は、原稿Dの搬送速度に応じた図7に示すパルス状の搬
送速度信号を送出する。Further, the photo interrupter 24 is caused by the rotation of the rotary light-shielding plate 23 of the document conveying sensor 21 with the document D.
Outputs a pulse-shaped conveyance speed signal shown in FIG. 7 according to the conveyance speed of the document D.
【0044】前記制御手段30は、排紙センサ11から
の原稿有無信号、原稿搬送センサ21からの搬送速度信
号及びこれらの経時変化を監視し以下のような動作を行
う。The control means 30 monitors the document presence / absence signal from the paper discharge sensor 11, the transport speed signal from the document transport sensor 21, and changes with time of these signals, and performs the following operation.
【0045】即ち、排紙センサ11がオンした後(S
1)、一定時間経過後(S2)、前記原稿搬送検ンサ2
1のフォトインタラプタ24からの搬送速度信号が無い
ときには(S3)、前記制御手段30は、排紙センサ1
1を動作させた原稿Dが原稿搬送センサ回転遮光板23
の手前で紙詰り(ジャム)(S4)であるとして排紙部
5の原稿搬送状態が異常であると確定する。そして、直
ちに、前記排紙駆動部6を制御し反転ローラ群71を停
止する。That is, after the paper discharge sensor 11 is turned on (S
1) After a lapse of a certain time (S2), the document conveyance detector 2
When there is no transport speed signal from the photo interrupter 24 of No. 1 (S3), the control unit 30 causes the paper discharge sensor 1
The document D, which has been operated by the first scanning device 1, is rotated by the document transport sensor rotation light-shielding plate 23.
It is determined that there is a paper jam (jam) (S4) in front of, and the document conveyance state of the paper discharge unit 5 is abnormal. Immediately thereafter, the paper discharge drive unit 6 is controlled to stop the reverse roller group 71.
【0046】これにより、原稿詰り発生時に反転ローラ
群71等の損傷を未然に回避できる。This makes it possible to prevent damage to the reversing roller group 71 and the like when a document jam occurs.
【0047】また、前記制御手段30は、排紙センサ1
1からの原稿有信号が入力され(S5)原稿搬送センサ
21のフォトインタラプタ24からの搬送速度信号が入
力された後、排紙センサ11からの原稿有信号が予め定
めた所定時間x秒(原稿Dの送り方向の長さ/搬送速度
+マージン(余裕))以上継続しているとき(S6)、
排紙センサ11の位置の近傍で紙詰り(ジャム)(S
7)であるとして排紙部5の原稿搬送状態が異常である
と確定する。そして、直ちに、前記排紙駆動部6を制御
し反転ローラ群71を停止する。Further, the control means 30 includes the paper discharge sensor 1
1 is input (S5), the transport speed signal from the photo interrupter 24 of the document transport sensor 21 is input, and then the document transport signal from the sheet discharge sensor 11 is set for a predetermined time x seconds (document When the length of D in the feed direction / conveyance speed + margin (margin) continues for more than (S6),
Paper jam (jam) near the position of the paper ejection sensor 11 (S
As 7), it is determined that the document conveyance state of the paper discharge unit 5 is abnormal. Immediately thereafter, the paper discharge drive unit 6 is controlled to stop the reverse roller group 71.
【0048】これにより、原稿詰り発生時に反転ローラ
群71等の損傷を未然に回避できる。This makes it possible to avoid damage to the reversing roller group 71 and the like when a document jam occurs.
【0049】さらに、制御手段30は、一旦原稿有信号
を送出した排紙センサ11からの原稿無信号が入力され
一旦搬送速度信号を送出した前記原稿搬送センサ21か
らの搬送速度信号が入力されない(回転遮光板23が回
転していない)状態(S8)が予め定めた所定時間x秒
以上継続しているとき(S9)、排紙センサ11を通過
した原稿Dが原稿搬送センサ21の付近で紙詰り(ジャ
ム)(S10)であるとして排紙部5の原稿搬送状態が
異常であると確定する。そして、直ちに、前記排紙駆動
部6を制御し反転ローラ群71を停止する。Further, the control means 30 receives no document original signal from the paper discharge sensor 11 which once sent the document present signal, and does not receive the transport speed signal from the document transport sensor 21 which once sent the transport speed signal ( When the state (S8) in which the rotary shading plate 23 is not rotated continues for a predetermined time x seconds or more (S9), the document D that has passed through the paper discharge sensor 11 is fed near the document transport sensor 21. Since the jam (jam) (S10) is determined, it is determined that the document transport state of the paper discharge unit 5 is abnormal. Immediately thereafter, the paper discharge drive unit 6 is controlled to stop the reverse roller group 71.
【0050】これにより、原稿詰り発生時に反転ローラ
群71等の損傷を未然に回避できる。This makes it possible to prevent damage to the reversing roller group 71 and the like when a document jam occurs.
【0051】さらにまた、制御手段30は、一旦原稿有
信号を送出した排紙センサ11からの原稿無信号が入力
され一旦搬送速度信号を送出した前記原稿搬送検ンサ2
1からの搬送速度信号の変化が許容値外のとき(S1
1)、排紙センサ11を通過した原稿Dが原稿搬送セン
サ21の付近で正常に搬送されず紙詰り(ジャム)(S
12)であるものとして前記排紙部5の原稿搬送状態が
異常であると確定する。Further, the control means 30 receives the no-document signal from the paper discharge sensor 11 which has once sent the document presence signal, and once has sent the transport speed signal, so that the document transport sensor 2 is sent.
When the change in the transport speed signal from 1 is outside the allowable value (S1
1) The document D that has passed through the discharge sensor 11 is not normally conveyed near the document conveyance sensor 21 and jams (jam) (S).
12), it is determined that the document transport state of the paper discharge unit 5 is abnormal.
【0052】そして、直ちに、前記排紙駆動部6を制御
し反転ローラ群71を停止する。Immediately thereafter, the paper discharge drive unit 6 is controlled to stop the reverse roller group 71.
【0053】このような動作により、排紙部における原
稿の搬送位置の如何を問わず原稿詰りを迅速に確定して
周辺の構成部品への損傷を未然に回避できる。By such an operation, it is possible to quickly determine the jam of the document regardless of the transport position of the document in the paper discharge section and prevent damage to the peripheral components in advance.
【0054】本発明は、上述した実施例の他、その要旨
の範囲内で種々の変形が可能である。The present invention can be modified in various ways within the scope of the invention in addition to the above-mentioned embodiments.
【0055】[0055]
【発明の効果】請求項1記載の発明によれば、排紙部に
おける原稿の搬送位置の如何を問わず原稿詰りを迅速に
確定して周辺の構成部品への損傷を未然に回避できる原
稿送り装置を提供することができる。According to the first aspect of the present invention, a document jam can be swiftly determined regardless of the position where the document is conveyed in the discharge section, and damage to peripheral components can be avoided in advance. A device can be provided.
【0056】請求項2記載の発明によれば、排紙検出手
段及び原稿搬送検出手段の動作で、排紙検出手段の周辺
から原稿搬送検出手段の周辺に至る各位置で原稿詰りを
迅速に確定して周辺の構成部品への損傷を未然に回避で
きる原稿送り装置を提供することができる。According to the second aspect of the present invention, the jam of the document is promptly determined at each position from the periphery of the paper discharge detection unit to the periphery of the document conveyance detection unit by the operation of the paper discharge detection unit and the document conveyance detection unit. As a result, it is possible to provide a document feeder that can avoid damage to the peripheral components.
【0057】請求項3記載の発明によれば、排紙センサ
及び原稿搬送センサの動作で、排紙センサの周辺から原
稿搬送センサの周辺に至る各位置で原稿詰りを迅速に確
定して周辺の構成部品への損傷を未然に回避できる原稿
送り装置を提供することができる。According to the third aspect of the present invention, by the operations of the paper discharge sensor and the document conveyance sensor, the jam of the document is promptly determined at each position from the periphery of the paper discharge sensor to the periphery of the document conveyance sensor, and It is possible to provide a document feeder that can avoid damage to the components.
【図1】本発明の実施例装置の概略断面図である。FIG. 1 is a schematic sectional view of an apparatus according to an embodiment of the present invention.
【図2】本発明の実施例装置における原稿搬送センサを
示す拡大斜視図である。FIG. 2 is an enlarged perspective view showing a document conveyance sensor in the apparatus according to the embodiment of the present invention.
【図3】本発明の実施例装置における原稿搬送センサの
回転遮光板に原稿に対する配置を示す説明図である。FIG. 3 is an explanatory diagram showing an arrangement of a document conveying sensor in the apparatus of the embodiment of the present invention with respect to a document on a rotary light shielding plate.
【図4】本発明の実施例装置における原稿搬送センサの
回転遮光板の他の配置を示す側面図である。FIG. 4 is a side view showing another arrangement of the rotary light shielding plate of the document conveyance sensor in the apparatus according to the embodiment of the present invention.
【図5】本発明の実施例装置及び電子複写機を示す部分
斜視図である。FIG. 5 is a partial perspective view showing an apparatus and an electronic copying machine according to an embodiment of the present invention.
【図6】本発明の実施例装置及び電子複写機を示す平面
図である。FIG. 6 is a plan view showing an apparatus and an electronic copying machine according to an embodiment of the present invention.
【図7】本発明の実施例装置の制御系を示すブロック図
である。FIG. 7 is a block diagram showing a control system of the apparatus according to the embodiment of the present invention.
【図8】本発明の実施例装置の動作を示すフローチャー
トである。FIG. 8 is a flowchart showing the operation of the apparatus according to the embodiment of the present invention.
【図9】従来装置の概略を示す配置図である。FIG. 9 is a schematic layout of a conventional device.
1 原稿送り装置 3 給紙部 5 排紙部 11 排紙センサ 21 原稿搬送センサ 30 制御手段 51 装置本体 80 原稿搬送手段 100 電子複写機 101 原稿台 1 Document Feeding Device 3 Paper Feeding Unit 5 Paper Ejecting Unit 11 Paper Ejection Sensor 21 Document Feeding Sensor 30 Control Means 51 Device Main Body 80 Document Feeding Means 100 Electronic Copying Machine 101 Document Plate
Claims (3)
台を通過した原稿を排出処理する排紙部を備えた装置本
体と、前記排紙部に配置され搬送中の原稿の有無を示す
原稿有無信号を送出する排紙検出手段と、前記排紙部に
配置され原稿の搬送速度を示す搬送速度信号を送出する
原稿搬送検出手段と、排紙検出手段からの原稿有無信
号、原稿搬送検出手段からの搬送速度信号及びこれらの
経時変化を監視し前記排紙部の原稿搬送状態の正常、異
常を確定する排紙状態監視手段とを有することを特徴と
する原稿送り装置。1. An apparatus main body having a paper discharge unit for supplying a document to a document table and discharging a document that has passed through the document table, and a document arranged in the paper discharge unit and indicating whether there is a document being conveyed. Paper discharge detection means for sending a presence / absence signal, document conveyance detection means arranged in the paper discharge section for transmitting a conveyance speed signal indicating a conveyance speed of a document, document presence / absence signal from the paper discharge detection means, document conveyance detection means A document feeding device, comprising: a delivery speed monitoring unit configured to monitor a transport speed signal from the printer and changes with time thereof to determine whether the document transport state of the paper discharge unit is normal or abnormal.
台を通過した原稿を排出処理する排紙部を備えた装置本
体と、 前記排紙部に配置され搬送中の原稿の有無を示す原稿有
無信号を送出する排紙検出手段と、 前記排紙部に配置され原稿の搬送速度を示す搬送速度信
号を送出する原稿搬送検出手段と、 排紙検出手段からの原稿有無信号、原稿搬送検出手段か
らの搬送速度信号及びこれらの経時変化を監視し、排紙
検出手段からの原稿有信号が入力されてから一定時間経
過後原稿搬送検出手段からの搬送速度信号が無いとき、
排紙検出手段からの原稿有信号が入力され原稿搬送検出
手段からの搬送速度信号が入力された後排紙検出手段か
らの原稿有信号が予め定めた所定時間以上継続している
とき、一旦原稿有信号を送出した排紙検出手段からの原
稿無信号が入力され一旦搬送速度信号を送出した前記原
稿搬送検出手段からの搬送速度信号が入力されない状態
が予め定めた所定時間以上継続しているとき及び一旦原
稿有信号を送出した排紙検出手段からの原稿無信号が入
力され一旦搬送速度信号を送出した前記原稿搬送検出手
段からの搬送速度信号の変化が許容値外のとき各々前記
排紙部の原稿搬送状態が異常であると確定する排紙状態
監視手段とを有することを特徴とする原稿送り装置。2. An apparatus main body having a paper discharge unit for supplying a document to the platen and discharging the document that has passed through the platen; and a document arranged on the paper discharge unit for indicating whether there is a document being conveyed. Paper discharge detection means for sending a presence / absence signal, document conveyance detection means arranged in the paper discharge section for transmitting a conveyance speed signal indicating a conveyance speed of a document, document presence / absence signal from the paper discharge detection means, document conveyance detection means When there is no conveyance speed signal from the document conveyance detection means after a lapse of a fixed time after the document existence signal from the paper discharge detection means is input,
When the document presence signal from the sheet discharge detection means is input and the transport speed signal from the document transport detection means is input, and the document presence signal from the sheet discharge detection means continues for a predetermined time or more, When a state in which no document signal is input from the paper discharge detection unit that has transmitted a signal and the transport speed signal has not been input from the document transport detection unit that has once transmitted the transport speed signal continues for a predetermined time or more. And when the change of the transport speed signal from the document transport detecting means that once outputs the transport speed signal is input by the no-document signal from the paper discharge detecting means that once outputs the document present signal, is out of the discharge section. And a discharge state monitoring unit that determines that the document conveyance state is abnormal.
台を通過した原稿を排出処理する排紙部を備えた装置本
体と、 前記排紙部に配置され搬送中の原稿の有無に応じて変位
する接触片の動作で原稿有無信号を送出する排紙センサ
と、 前記排紙部に配置され原稿の搬送速度に応じて変化する
パルス状の搬送速度信号を送出する原稿搬送センサと、 排紙センサからの原稿有無信号、原稿搬送センサからの
搬送速度信号及びこれらの経時変化を監視し、排紙セン
サからの原稿有信号が入力されてから一定時間経過後原
稿搬送センサからの搬送速度信号が無いとき、排紙セン
サからの原稿有信号が入力され原稿搬送センサからの搬
送速度信号が入力された後排紙センサからの原稿有信号
が予め定めた所定時間以上継続しているとき、一旦原稿
有信号を送出した排紙センサからの原稿無信号が入力さ
れ一旦搬送速度信号を送出した前記原稿搬送センサから
の搬送速度信号が入力されない状態が予め定めた所定時
間以上継続しているとき及び一旦原稿有信号を送出した
排紙センサからの原稿無信号が入力され一旦搬送速度信
号を送出した前記原稿搬送センサからの搬送速度信号の
変化が許容値外のとき各々前記排紙部の原稿搬送状態が
異常であると確定する排紙状態監視手段とを有すること
を特徴とする原稿送り装置。3. An apparatus main body having a paper discharge unit for supplying a document to a platen and discharging the document that has passed through the platen; and a device arranged according to the presence / absence of a document being conveyed and arranged in the paper discharge unit. A paper discharge sensor that sends a document presence / absence signal by the operation of the displacing contact piece; a document transport sensor that is arranged in the paper delivery unit and sends a pulse-shaped transport speed signal that changes according to the document transport speed; The document presence / absence signal from the sensor, the transport speed signal from the document transport sensor, and changes over time in these are monitored. If there is no original signal from the paper ejection sensor and the conveyance speed signal from the original conveyance sensor is input, and the original signal from the paper ejection sensor continues for a predetermined time or more, Signaled Is sent when a no-document signal is input from the discharge sensor and the transport speed signal is once output from the document transport sensor is not input for a predetermined period of time or more When a no-document signal is input from the paper discharge sensor that has sent a signal and the change in the transport speed signal from the document transport sensor that has once sent the transport speed signal is outside the permissible value, the original transport state of the paper discharge unit is different. A document feeding device, comprising: a discharge state monitoring unit that is determined to be normal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22910694A JPH0891628A (en) | 1994-09-26 | 1994-09-26 | Document feeding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22910694A JPH0891628A (en) | 1994-09-26 | 1994-09-26 | Document feeding device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0891628A true JPH0891628A (en) | 1996-04-09 |
Family
ID=16886840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22910694A Pending JPH0891628A (en) | 1994-09-26 | 1994-09-26 | Document feeding device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0891628A (en) |
-
1994
- 1994-09-26 JP JP22910694A patent/JPH0891628A/en active Pending
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