JPH0275478U - - Google Patents
Info
- Publication number
- JPH0275478U JPH0275478U JP15551788U JP15551788U JPH0275478U JP H0275478 U JPH0275478 U JP H0275478U JP 15551788 U JP15551788 U JP 15551788U JP 15551788 U JP15551788 U JP 15551788U JP H0275478 U JPH0275478 U JP H0275478U
- Authority
- JP
- Japan
- Prior art keywords
- double
- feed
- roller
- sheet
- feed prevention
- 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.)
- Granted
Links
- 230000002265 prevention Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Counters In Electrophotography And Two-Sided Copying (AREA)
- Conveyance By Endless Belt Conveyors (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Description
第１図は給紙装置の斜視図、第２図は画像形成
装置の一例の静電写真複写機の縦断側面図、第３
図は一部を展開図示した給紙装置の説明図、第４
図および第５図は重送防止の作用説明図である。
２１…シート収容部、２２…重送防止給紙装置
、２３…給紙ローラ、２４…加圧部材、２８…一
方向伝達手段、２９…重送防止用ローラ、３１…
シート搬送ローラ、３２…アーム、ａ…シート。
FIG. 1 is a perspective view of a paper feeding device, FIG. 2 is a longitudinal cross-sectional side view of an electrostatographic copying machine as an example of an image forming device, and FIG.
The figure is an explanatory diagram of the paper feeder with a part developed.
This figure and FIG. 5 are explanatory diagrams of the effect of preventing double feeding. DESCRIPTION OF SYMBOLS 21... Sheet accommodating part, 22... Double feeding prevention paper feeding device, 23... Paper feeding roller, 24... Pressure member, 28... One-way transmission means, 29... Double feeding prevention roller, 31...
Sheet conveyance roller, 32...arm, a...sheet.
Claims (1)
自在な重送防止用ローラの下部側にシート搬送ロ
ーラを配置して重送防止給紙装置を構成すると共
に、シート収容部のシート下面側に作用して該シ
ートを前記重送防止給紙装置に給紙する給紙ロー
ラを設け、かつ、前記シート収容部のシートを前
記給紙ローラに向けて加圧する加圧部材を、シー
トの収容に際し加圧解除状態に揺動切り換え自在
に設けた画像形成装置の給紙装置において、前記
加圧部材を前記重送防止用ローラの軸線まわりで
揺動自在なアームに設けると共に、該アームと前
記重送防止用ローラとの間に、前記重送防止用ロ
ーラの反給紙方向への回動を許容する一方向伝達
手段を設けてあることを特徴とする画像形成装置
の給紙装置。 A sheet conveyance roller is disposed below a double-feed prevention roller that is rotatable only in the counter-feeding direction via a one-way transmission means to configure a double-feed prevention sheet feeding device. A paper feed roller is provided that acts on the side of the sheet to feed the sheet to the double-feed prevention paper feed device, and a pressure member that presses the sheet in the sheet storage section toward the paper feed roller is provided. In the paper feeding device of the image forming apparatus, which is provided to be able to swing freely to a pressurized release state during storage, the pressure member is provided to an arm that is swingable around the axis of the double-feed prevention roller, and A paper feeding device for an image forming apparatus, characterized in that a one-way transmission means is provided between the double-feed prevention roller and the double-feed prevention roller for allowing the rotation of the double-feed prevention roller in a counter-feeding direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15551788U JPH0636044Y2 (en) | 1988-11-28 | 1988-11-28 | Paper feeding device of image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15551788U JPH0636044Y2 (en) | 1988-11-28 | 1988-11-28 | Paper feeding device of image forming apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0275478U true JPH0275478U (en) | 1990-06-08 |
| JPH0636044Y2 JPH0636044Y2 (en) | 1994-09-21 |
Family
ID=31433215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15551788U Expired - Lifetime JPH0636044Y2 (en) | 1988-11-28 | 1988-11-28 | Paper feeding device of image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0636044Y2 (en) |
-
1988
- 1988-11-28 JP JP15551788U patent/JPH0636044Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0636044Y2 (en) | 1994-09-21 |