JPH0333828U - - Google Patents
Info
- Publication number
- JPH0333828U JPH0333828U JP9478489U JP9478489U JPH0333828U JP H0333828 U JPH0333828 U JP H0333828U JP 9478489 U JP9478489 U JP 9478489U JP 9478489 U JP9478489 U JP 9478489U JP H0333828 U JPH0333828 U JP H0333828U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- protrusion
- universal cassette
- regulating device
- feeding direction
- 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 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sheets, Magazines, And Separation Thereof (AREA)
- Paper Feeding For Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
Description
図面は本考案に係る用紙サイズの検知装置の実
施例を示し、第１図は全体斜視図、第２図は蓋を
取り外したユニバーサルカセツトの斜視図、第３
図はユニバーサルカセツトの要部平面図、第４図
と第５図は用紙サイズの検知装置の要部断面図、
第６図と第７図イ〜ハは作用を説明する概略平面
図である。第８図は従来例の説明図である。
１…画像形成装置本体、２…ユニバーサルカセ
ツト、４…紙後端規制具、５…紙側端規制具、１
１…第一突起体、１１ａ〜１１ｂ…被検知部、１
２…第二突起体、２２…検知手段（フオトインタ
ラプタ）。
The drawings show an embodiment of the paper size detection device according to the present invention, in which Fig. 1 is an overall perspective view, Fig. 2 is a perspective view of the universal cassette with the lid removed, and Fig. 3 is a perspective view of the universal cassette with the lid removed.
The figure is a plan view of the main parts of the universal cassette, Figures 4 and 5 are cross-sectional views of the main parts of the paper size detection device,
6 and 7A to 7C are schematic plan views for explaining the operation. FIG. 8 is an explanatory diagram of a conventional example. DESCRIPTION OF SYMBOLS 1... Image forming apparatus main body, 2... Universal cassette, 4... Paper trailing edge regulating device, 5... Paper side edge regulating device, 1
1...First protrusion, 11a-11b...Detected part, 1
2...Second protrusion, 22...Detection means (photo interrupter).
Claims (1)
向に直交する横方向に移動自在な紙側端規制具と
を備えたユニバーサルカセツトに、複数の被検知
部を備え且つ前記紙側端規制具の移動に連動して
当該ユニバーサルカセツトの側面から突出する被
検知部の数が変化するようにした用紙サイズ表示
用の第一突起体と当該第一突起体の給紙方向上流
側に位置し前記紙後端規制具の移動に連動して当
該ユニバーサルカセツトの側面から突出する用紙
収納姿勢表示用の第二突起体とを設け、画像形成
装置本体には、前記ユニバーサルカセツトを装填
した状態における第二突起体に対応する位置に電
気的な検知手段を設け、ユニバーサルカセツトの
挿入時に前記検知手段が第一突起体の通過を検知
したときの検知信号と、ユニバーサルカセツトを
装填した状態において前記検知手段が第二突起体
の有無を検知したときの検知信号とに基づいて、
ユニバーサルカセツトに収納されている用紙のサ
イズと収納姿勢とを判別するように構成してある
ことを特徴とする用紙サイズの検知装置。 A universal cassette equipped with a paper trailing edge regulating device that is movable in the paper feeding direction and a paper side edge regulating device that is movable in the lateral direction perpendicular to the paper feeding direction is provided with a plurality of detected sections and A first protrusion for displaying the paper size, in which the number of detected parts protruding from the side surface of the universal cassette changes in conjunction with the movement of the end restrictor, and a first protrusion on the upstream side of the first protrusion in the paper feeding direction. a second protrusion for indicating a paper storage position, which protrudes from a side surface of the universal cassette in conjunction with the movement of the paper trailing edge regulating device; An electrical detection means is provided at a position corresponding to the second protrusion in the universal cassette. Based on the detection signal when the detection means detects the presence or absence of the second protrusion,
A paper size detection device characterized by being configured to determine the size and storage orientation of paper stored in a universal cassette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9478489U JPH0333828U (en) | 1989-08-12 | 1989-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9478489U JPH0333828U (en) | 1989-08-12 | 1989-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0333828U true JPH0333828U (en) | 1991-04-03 |
Family
ID=31644096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9478489U Pending JPH0333828U (en) | 1989-08-12 | 1989-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333828U (en) |
-
1989
- 1989-08-12 JP JP9478489U patent/JPH0333828U/ja active Pending
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