JPH041844U - - Google Patents
Info
- Publication number
- JPH041844U JPH041844U JP4196790U JP4196790U JPH041844U JP H041844 U JPH041844 U JP H041844U JP 4196790 U JP4196790 U JP 4196790U JP 4196790 U JP4196790 U JP 4196790U JP H041844 U JPH041844 U JP H041844U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- paper feeding
- stacked
- transporting
- pressing
- 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 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sheets, Magazines, And Separation Thereof (AREA)
- Handling Of Cut Paper (AREA)
- Paper Feeding For Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
Description
第１図は本考案の一実施例としての画像形成装
置における用紙給送部を示す模式的断面図、第２
図は上記用紙給送部における駆動制御系統の構成
を示すブロツク図、第３図は上記用紙給送部の駆
動制御動作を示すタイムチヤート図、第４図は上
記用紙給送部の要部構成を示す模式的断面図であ
る。
１……給紙カセツト、２……積載板、２ａ……
摩擦パツド、３……押し上げバネ、４……給紙ロ
ール、４ａ……給紙クラツチ、５……ブレーキ板
、５ｃ……ブレーキパツド、６……給紙スイツチ
、７……ターンガイド、８……感光体ドラム、９
……転写帯電器、１０……待機ロール対、１０ａ
……待機クラツチ、１１……待機スイツチ、１２
……ＣＰＵ、Ｃ……駆動制御部、Ｍ……主駆動モ
ータ。
FIG. 1 is a schematic sectional view showing a paper feeding section in an image forming apparatus as an embodiment of the present invention;
The figure is a block diagram showing the configuration of the drive control system in the paper feeding section, FIG. 3 is a time chart showing the drive control operation of the paper feeding section, and FIG. 4 is the main part configuration of the paper feeding section. FIG. 1... Paper feed cassette, 2... Loading plate, 2a...
Friction pad, 3... Push-up spring, 4... Paper feed roll, 4a... Paper feed clutch, 5... Brake plate, 5c... Brake pad, 6... Paper feed switch, 7... Turn guide, 8... Photosensitive drum, 9
...Transfer charger, 10...Standby roll pair, 10a
...Standby clutch, 11 ...Standby switch, 12
...CPU, C...Drive control unit, M...Main drive motor.
Claims (1)
用紙と係合接触し該用紙を所定方向に給出する給
紙ロールと、前記積載板を介して前記積載用紙を
前記給紙ロール周面に押圧する押圧手段と、前記
積載板上の用紙の有無を検知する積載用紙検知手
段と、給出された用紙を所定位置へ搬送する搬送
手段とを有する用紙給送装置において、前記積載
用紙検知手段による前記搬送手段により搬送され
る用紙の後端検知に基づき、前記給紙ロールの駆
動回転を開始させる給紙制御手段を設けたことを
特徴とする用紙給送装置。 A stacking plate for stacking sheets; a paper feed roll for engaging and contacting the topmost sheet of the stacked sheets to feed the paper in a predetermined direction; In the paper feeding device, the paper feeding device includes a pressing means for pressing the stacked paper, a stacked paper detection unit for detecting the presence or absence of paper on the stacking plate, and a conveyance unit for transporting the fed paper to a predetermined position. A paper feeding apparatus comprising a paper feeding control means for starting drive rotation of the paper feeding roll based on detection of a trailing edge of the paper transported by the transporting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4196790U JPH041844U (en) | 1990-04-19 | 1990-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4196790U JPH041844U (en) | 1990-04-19 | 1990-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH041844U true JPH041844U (en) | 1992-01-09 |
Family
ID=31553094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4196790U Pending JPH041844U (en) | 1990-04-19 | 1990-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH041844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998043510A1 (en) | 1997-03-31 | 1998-10-08 | Matsushita Electric Works, Ltd. | Hair styling iron |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63277141A (en) * | 1987-05-08 | 1988-11-15 | Ricoh Co Ltd | Paper feeding device |
-
1990
- 1990-04-19 JP JP4196790U patent/JPH041844U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63277141A (en) * | 1987-05-08 | 1988-11-15 | Ricoh Co Ltd | Paper feeding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998043510A1 (en) | 1997-03-31 | 1998-10-08 | Matsushita Electric Works, Ltd. | Hair styling iron |
| US6029677A (en) * | 1997-03-31 | 2000-02-29 | Matsushita Electric Works, Ltd. | Hair styling iron |
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