JPS62171538U - - Google Patents
Info
- Publication number
- JPS62171538U JPS62171538U JP5683286U JP5683286U JPS62171538U JP S62171538 U JPS62171538 U JP S62171538U JP 5683286 U JP5683286 U JP 5683286U JP 5683286 U JP5683286 U JP 5683286U JP S62171538 U JPS62171538 U JP S62171538U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- drive roller
- roller
- circumferential speed
- feed detection
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Controlling Sheets Or Webs (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Description
第１図は本考案の一実施例をあらわす概略構成
図、第２図は第１図のフオトセンサの出力をあら
わすタイムチヤート、第３図Ａ，Ｂは本考案の他
の実施例の作用をあらわす説明図、第４図は本考
案の他の実施例をあらわす概略構成図、第５図は
駆動ローラの変形例をあらわす概略構成図、第６
図および第７図は従来例をあらわす概略構成図で
ある。
６……第１ローラ手段、７……第２ローラ手段
、８……第１駆動ローラ、９……第２駆動ローラ
、１２，１３……ベルト、１４……フオトセンサ
（重送検知手段）。
Fig. 1 is a schematic configuration diagram showing one embodiment of the present invention, Fig. 2 is a time chart showing the output of the photo sensor in Fig. 1, and Figs. 3 A and B show the operation of another embodiment of the present invention. 4 is a schematic configuration diagram showing another embodiment of the present invention, FIG. 5 is a schematic configuration diagram showing a modified example of the drive roller, and FIG.
FIG. 7 and FIG. 7 are schematic configuration diagrams showing a conventional example. 6...First roller means, 7...Second roller means, 8...First drive roller, 9...Second drive roller, 12, 13...Belt, 14...Photo sensor (double feed detection means).
Claims (1)
と、紙の裏面に摩擦接触する第２の駆動ローラと
を設け、これら第１駆動ローラと第２駆動ローラ
の周速度に周速差を付与するローラ周速度制御手
段を設け、紙重送時に前記第１駆動ローラおよび
第２駆動ローラから排出された２枚以上の紙の搬
送距離差に基づいて重送を検知する重送検知手段
を有していることを特徴とする紙重送検知装置。 (2) ローラ周速度制御手段は、第１駆動ローラ
と第２駆動ローラを巻掛伝動媒体により連動し、
この巻掛伝動媒体が巻き掛けられる第１駆動ロー
ラおよび第２駆動ローラに回転有効径の径差を付
与したことを特徴とする実用新案登録請求の範囲
第１項記載の紙重送検知装置。 (3) 重送検知手段は、紙通過時の紙始端から紙
終端までを検出するフオトセンサと、このフオト
センサの出力に基づいて得られる紙通過時間と予
め設定される基準通過時間とを比較する比較器と
から構成されることを特徴とする実用新案登録請
求の範囲第１項記載の紙重送検知装置。[Claims for Utility Model Registration] (1) A first drive roller that comes into frictional contact with the front surface of the paper and a second drive roller that comes into frictional contact with the backside of the paper are provided, and these first drive rollers and a second drive roller are provided. A roller circumferential speed control means is provided to give a circumferential speed difference to the circumferential speed of the roller, and the roller circumferential speed control means controls the weight based on the conveyance distance difference between two or more sheets of paper discharged from the first drive roller and the second drive roller during paper double feeding. A paper double feed detection device comprising a double feed detection means for detecting paper feed. (2) The roller circumferential speed control means interlocks the first drive roller and the second drive roller by a wrapped transmission medium,
The paper double feed detection device according to claim 1, wherein the first drive roller and the second drive roller around which the wrapped transmission medium is wound are provided with a diameter difference in effective rotational diameter. (3) The double feed detection means includes a photo sensor that detects the distance from the beginning of the paper to the end of the paper when the paper passes, and a comparison that compares the paper passing time obtained based on the output of this photo sensor with a preset standard passing time. A paper double feed detection device according to claim 1, characterized in that the device is comprised of a container and a container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5683286U JPS62171538U (en) | 1986-04-17 | 1986-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5683286U JPS62171538U (en) | 1986-04-17 | 1986-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62171538U true JPS62171538U (en) | 1987-10-30 |
Family
ID=30886000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5683286U Pending JPS62171538U (en) | 1986-04-17 | 1986-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62171538U (en) |
-
1986
- 1986-04-17 JP JP5683286U patent/JPS62171538U/ja active Pending
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