JPH02120453U - - Google Patents
Info
- Publication number
- JPH02120453U JPH02120453U JP2965389U JP2965389U JPH02120453U JP H02120453 U JPH02120453 U JP H02120453U JP 2965389 U JP2965389 U JP 2965389U JP 2965389 U JP2965389 U JP 2965389U JP H02120453 U JPH02120453 U JP H02120453U
- Authority
- JP
- Japan
- Prior art keywords
- displacement
- paper
- displaced
- outputting
- data processing
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims 9
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Controlling Sheets Or Webs (AREA)
Description
第1図は本実施例の給紙装置を示す全体構成図
、第2図は本実施例の給紙装置を示す要部断面図
、第3図は給紙装置の用紙残量検出回路を示す図
、第4図a〜dは本実施例の給紙装置の動作を示
す図、第5図はセンサ信号の変化を示すタイムチ
ヤート、第6図は従来の用紙残量検知装置を示す
概要図、第7図は従来の用紙の有無を検知する装
置を示す図である。
8……給紙カセツト、9……底板、10,12
……レバー、10a,12a……穴、10b,1
0c,12b,12c……端部、11……ケーシ
ング、13……レバー孔、P……用紙。
Fig. 1 is an overall configuration diagram showing the paper feeding device of this embodiment, Fig. 2 is a sectional view of main parts showing the paper feeding device of this embodiment, and Fig. 3 shows a remaining paper amount detection circuit of the paper feeding device. Figures 4a to 4d are diagrams showing the operation of the paper feeding device of this embodiment, Figure 5 is a time chart showing changes in sensor signals, and Figure 6 is a schematic diagram showing a conventional paper remaining amount detection device. , FIG. 7 is a diagram showing a conventional apparatus for detecting the presence or absence of paper. 8... Paper feed cassette, 9... Bottom plate, 10, 12
... Lever, 10a, 12a ... Hole, 10b, 1
0c, 12b, 12c... end, 11... casing, 13... lever hole, P... paper.
Claims (1)
用紙積載手段の変位に連動して変位する第1の変
位部材と、前記用紙積載手段に積載された用紙の
最上位位置の用紙と当接し前記積載用紙の変位に
連動して変位する第2の変位部材と、前記第1、
第2の変位部材に設けられ該第1、第2変位部材
間の相対変位量に応じて所定の信号を出力する検
知手段と、該検知手段の出力信号の出力時間から
前記積載用紙の用紙残量を演算するデータ処理手
段と、該データ処理手段による用紙残量演算結果
を報知する報知手段とを有することを特徴とする
用紙残量検出装置。 A first displacement member that engages with a displaceably provided paper stacking means and is displaced in conjunction with the displacement of the paper stacking unit, and comes into contact with the uppermost sheet of paper stacked on the paper stacking unit. a second displacement member that is displaced in conjunction with displacement of the stacked paper;
a detection means provided on the second displacement member for outputting a predetermined signal according to the amount of relative displacement between the first and second displacement members; and a detection means for outputting a predetermined signal according to the relative displacement between the first and second displacement members; What is claimed is: 1. A paper remaining amount detection device comprising: a data processing means for calculating the amount; and a notification means for notifying the result of the paper remaining amount calculation by the data processing means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989029653U JPH0736932Y2 (en) | 1989-03-15 | 1989-03-15 | Paper remaining amount detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989029653U JPH0736932Y2 (en) | 1989-03-15 | 1989-03-15 | Paper remaining amount detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02120453U true JPH02120453U (en) | 1990-09-28 |
JPH0736932Y2 JPH0736932Y2 (en) | 1995-08-23 |
Family
ID=31254049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989029653U Expired - Fee Related JPH0736932Y2 (en) | 1989-03-15 | 1989-03-15 | Paper remaining amount detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0736932Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014029403A (en) * | 2012-07-31 | 2014-02-13 | Ricoh Co Ltd | Lubricant supply device, image forming apparatus, and process cartridge |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63101243A (en) * | 1986-10-17 | 1988-05-06 | Canon Inc | Out-of-sheet warning device |
JPS63117825A (en) * | 1986-11-05 | 1988-05-21 | Canon Inc | Sheet feeding device |
-
1989
- 1989-03-15 JP JP1989029653U patent/JPH0736932Y2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63101243A (en) * | 1986-10-17 | 1988-05-06 | Canon Inc | Out-of-sheet warning device |
JPS63117825A (en) * | 1986-11-05 | 1988-05-21 | Canon Inc | Sheet feeding device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014029403A (en) * | 2012-07-31 | 2014-02-13 | Ricoh Co Ltd | Lubricant supply device, image forming apparatus, and process cartridge |
Also Published As
Publication number | Publication date |
---|---|
JPH0736932Y2 (en) | 1995-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |