JPH0479851U - - Google Patents
Info
- Publication number
- JPH0479851U JPH0479851U JP12571290U JP12571290U JPH0479851U JP H0479851 U JPH0479851 U JP H0479851U JP 12571290 U JP12571290 U JP 12571290U JP 12571290 U JP12571290 U JP 12571290U JP H0479851 U JPH0479851 U JP H0479851U
- Authority
- JP
- Japan
- Prior art keywords
- top surface
- detection sensor
- tray
- paper
- paper feeding
- 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 12
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Description
第１図乃至第５図は本考案の一実施例を示すも
で、第１図はブロツク図、第２図は給紙装置の全
体を示す斜視図、第３図はトレイの昇降機構を示
す斜視図、第４図はサイズ調節装置を示す分解斜
視図、第５図は第二上面検知センサによる検知状
態を示す正面図、第６図は従来例における上面検
知センサによる検知状態を示す正面図である。
１……トレイ、２……上面検知センサ、３……
用紙、９……駆動モータ、１９……第二上面検知
センサ、２１……停止手段。
Figures 1 to 5 show an embodiment of the present invention, with Figure 1 being a block diagram, Figure 2 being a perspective view of the entire paper feeding device, and Figure 3 showing the tray lifting mechanism. 4 is an exploded perspective view showing the size adjustment device; FIG. 5 is a front view showing the detection state by the second top detection sensor; and FIG. 6 is a front view showing the detection state by the top detection sensor in the conventional example. It is. 1...Tray, 2...Top surface detection sensor, 3...
Paper, 9... Drive motor, 19... Second top surface detection sensor, 21... Stopping means.
Claims (1)
イを昇降させる駆動モータと、積載された前記用
紙の上面を検知する上面検知センサとを有する給
紙装置において、前記上面検知センサより上方で
かつ前記上面検知センサより前記用紙の給紙方向
後方側に位置して前記用紙の上面を検出する第二
上面検知センサと、前記第二上面検知センサから
の検知結果に基づいて前記トレイの上昇動作を停
止させる停止手段とを設けたことを特徴とする給
紙装置の安全装置。 In a paper feeding device that includes a tray that can be raised and lowered to stack sheets, a drive motor that raises and lowers the tray, and a top surface detection sensor that detects the top surface of the stacked sheets, the top surface is located above the top surface detection sensor and is located above the top surface. a second top surface detection sensor that is located on the rear side in the paper feeding direction of the paper from the detection sensor and detects the top surface of the paper; and stopping the raising operation of the tray based on the detection result from the second top surface detection sensor. A safety device for a paper feeding device, characterized in that it is provided with a stopping means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12571290U JPH0479851U (en) | 1990-11-27 | 1990-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12571290U JPH0479851U (en) | 1990-11-27 | 1990-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479851U true JPH0479851U (en) | 1992-07-13 |
Family
ID=31873300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12571290U Pending JPH0479851U (en) | 1990-11-27 | 1990-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4719611B2 (en) * | 2006-04-03 | 2011-07-06 | キヤノン株式会社 | Sheet feeding apparatus and image forming apparatus |
-
1990
- 1990-11-27 JP JP12571290U patent/JPH0479851U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4719611B2 (en) * | 2006-04-03 | 2011-07-06 | キヤノン株式会社 | Sheet feeding apparatus and image forming apparatus |