JPH0414248U - - Google Patents
Info
- Publication number
- JPH0414248U JPH0414248U JP5557990U JP5557990U JPH0414248U JP H0414248 U JPH0414248 U JP H0414248U JP 5557990 U JP5557990 U JP 5557990U JP 5557990 U JP5557990 U JP 5557990U JP H0414248 U JPH0414248 U JP H0414248U
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- sheet stack
- feeding device
- feeding
- pressing member
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
Landscapes
- Controlling Sheets Or Webs (AREA)
Description
第１図は、この考案の実施例であるシート給送
装置の概略構成図である。第２図は、同シート給
送装置の給送動作時の状態を示す図である。第３
図は、同シート給送装置の積載高サンセ出力とシ
ートスタツクの状態の関係を表した図である。第
４図は、同シート給送装置を画像形成装置に適用
した場合の制御部のシート給送装置適用部分のブ
ロツク図である。第５図は、同シート給送装置の
一例の制御動作のフローチヤートである。
Ｓ……シートスタツク、１……積載高検出手段
、１ａ……受光素子、１ｂ……発光素子、２……
押圧部材。
FIG. 1 is a schematic diagram of a sheet feeding device that is an embodiment of this invention. FIG. 2 is a diagram showing the state of the sheet feeding device during feeding operation. Third
The figure shows the relationship between the stacking height output of the sheet feeding device and the state of the sheet stack. FIG. 4 is a block diagram of a portion of the control section to which the sheet feeding device is applied when the same sheet feeding device is applied to an image forming apparatus. FIG. 5 is a flowchart of the control operation of an example of the sheet feeding device. S... Sheet stack, 1... Loading height detection means, 1a... Light receiving element, 1b... Light emitting element, 2...
Pressing member.
Claims (1)
記シートスタツクの最上位もしくは最下位からシ
ートを一枚ずつ主装置へと繰り出す繰り出し機構
と、を備えるシート給送装置において、 前記シートスタツクに対して上面から押圧／離
反可能な押圧部材を設けるとともに、 前記押圧部材が前記シートスタツクを押圧した
位置近傍のシートスタツクの高さを検出する積載
高検出手段を、前記繰り出し機構の動作範囲外に
設けたことを特徴とするシート給送装置。[Claims for Utility Model Registration] A sheet feeding device comprising a sheet hopper for loading a sheet stack, and a feeding mechanism for feeding sheets one by one from the top or bottom of the sheet stack to a main device, A pressing member capable of pressing/separating from the upper surface is provided, and a loading height detecting means for detecting the height of the sheet stack near the position where the pressing member presses the sheet stack is provided outside the operating range of the feeding mechanism. A sheet feeding device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5557990U JPH0414248U (en) | 1990-05-28 | 1990-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5557990U JPH0414248U (en) | 1990-05-28 | 1990-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0414248U true JPH0414248U (en) | 1992-02-05 |
Family
ID=31578655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5557990U Pending JPH0414248U (en) | 1990-05-28 | 1990-05-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0414248U (en) |
-
1990
- 1990-05-28 JP JP5557990U patent/JPH0414248U/ja active Pending
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