JPS62181543U - - Google Patents
Info
- Publication number
- JPS62181543U JPS62181543U JP6984686U JP6984686U JPS62181543U JP S62181543 U JPS62181543 U JP S62181543U JP 6984686 U JP6984686 U JP 6984686U JP 6984686 U JP6984686 U JP 6984686U JP S62181543 U JPS62181543 U JP S62181543U
- Authority
- JP
- Japan
- Prior art keywords
- lever member
- paper
- lever
- cassette
- engages
- 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 8
- 210000000078 claw Anatomy 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図ａ，ｂ，ｃ，ｄは、本考案の用紙検知装
置の作動状態を示す一部切欠き断面図、第２図ａ
は、本考案の用紙検知装置を示す要部斜視図、第
２図ｂは、フオトセンサを示す回路図、第３図は
、本考案の用紙検知装置と給紙カセツトとの関係
を示す平面図、第４図ａ，ｂ，ｃは、従来の一例
を示す要部断面図である。
１……給紙カセツト、２……底板、２ａ……検
知穴、３……圧縮バネ、４……分離爪、５……用
紙、６……検知レバー、６ａ……湾曲部、１０…
…給紙カセツト、１０ａ……係合突起、１１……
圧縮バネ、１２……底板、１２ａ……切欠き、１
３……用紙、１４……分離爪、１５……給紙コロ
、１６……給紙軸、１７……第１の検知レバー、
１７ａ……当接部、１７ｂ……遮光部、１７ｃ…
…軸部、１８……第２の検知レバー、１８ａ……
軸部、１８ｂ……遮光部、１８ｃ……係合部、１
９……底板、１９ａ，１９ｂ……スリツト、２０
，２２……支持部、２１……フオトセンサ、２１
ａ……発光ダイオード、２１ｂ……フオトトラン
ジスタ、２３……突起。
Figures 1 a, b, c, and d are partially cutaway sectional views showing the operating state of the paper detection device of the present invention, and Figure 2 a
2b is a circuit diagram showing a photo sensor; FIG. 3 is a plan view showing the relationship between the paper detecting device of the present invention and a paper feed cassette; FIG. FIGS. 4a, 4b, and 4c are sectional views of essential parts showing an example of the conventional technology. DESCRIPTION OF SYMBOLS 1... Paper feed cassette, 2... Bottom plate, 2a... Detection hole, 3... Compression spring, 4... Separation claw, 5... Paper, 6... Detection lever, 6a... Curved part, 10...
...Paper feed cassette, 10a...Engaging protrusion, 11...
Compression spring, 12... Bottom plate, 12a... Notch, 1
3...Paper, 14...Separation claw, 15...Paper feed roller, 16...Paper feed shaft, 17...First detection lever,
17a...Abutting part, 17b...Light shielding part, 17c...
...Shaft portion, 18...Second detection lever, 18a...
Shaft part, 18b... Light shielding part, 18c... Engaging part, 1
9...Bottom plate, 19a, 19b...Slit, 20
, 22... Support part, 21... Photo sensor, 21
a...Light emitting diode, 21b...Phototransistor, 23...Protrusion.
Claims (1)
カセツト内の用紙の有無を検知する用紙検知装置
において、 前記画像形成装置本体に回動可能に支持され所
定回動方向へ付勢された第１及び第２のレバー部
材と、前記第１及び第２のレバー部材の夫々によ
り作動する単一の検知部材とを有し、前記第１の
レバー部材は前記用紙の積載される積載部に設け
られた穴に進入可能な当接部を有するとともに前
記第２のレバー部材は、装着されたカセツトの一
部と係合する係合部を有し、前記第１及び第２の
レバー部材の協動動作によりカセツト及び用紙の
存否を検知することを特徴とする用紙検知装置。[Claims for Utility Model Registration] A paper detection device that detects the presence or absence of paper in a paper feed cassette that is removably installed in an image forming apparatus, comprising: The first lever member includes first and second lever members biased in the moving direction, and a single detection member actuated by each of the first and second lever members, and the first lever member The second lever member has an abutting portion that can enter into a hole provided in a loading portion on which the second lever member is loaded, and the second lever member has an engaging portion that engages with a part of the attached cassette, and the second lever member has an engaging portion that engages with a part of the attached cassette. A paper detection device characterized in that the presence or absence of a cassette and paper is detected by cooperative operation of a second lever member and a second lever member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6984686U JPS62181543U (en) | 1986-05-08 | 1986-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6984686U JPS62181543U (en) | 1986-05-08 | 1986-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62181543U true JPS62181543U (en) | 1987-11-18 |
Family
ID=30910941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6984686U Pending JPS62181543U (en) | 1986-05-08 | 1986-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62181543U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007015840A (en) * | 2005-07-11 | 2007-01-25 | Brother Ind Ltd | Paper conveyance device and image forming device using the same |
| JP2009057162A (en) * | 2007-08-31 | 2009-03-19 | Kyocera Mita Corp | Paper feeder |
| JP2009126713A (en) * | 2007-11-20 | 2009-06-11 | Samsung Electronics Co Ltd | Image forming device and printing medium supply unit |
| JP2011057432A (en) * | 2009-09-14 | 2011-03-24 | Brother Industries Ltd | Sheet feeder and image forming device |
| JP2021038036A (en) * | 2019-08-30 | 2021-03-11 | ブラザー工業株式会社 | Sheet feeding device and image forming device |
-
1986
- 1986-05-08 JP JP6984686U patent/JPS62181543U/ja active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007015840A (en) * | 2005-07-11 | 2007-01-25 | Brother Ind Ltd | Paper conveyance device and image forming device using the same |
| JP2009057162A (en) * | 2007-08-31 | 2009-03-19 | Kyocera Mita Corp | Paper feeder |
| JP2009126713A (en) * | 2007-11-20 | 2009-06-11 | Samsung Electronics Co Ltd | Image forming device and printing medium supply unit |
| JP2011057432A (en) * | 2009-09-14 | 2011-03-24 | Brother Industries Ltd | Sheet feeder and image forming device |
| US8641037B2 (en) | 2009-09-14 | 2014-02-04 | Brother Kogyo Kabushiki Kaisha | Sheet feeding device and image forming apparatus having the same |
| JP2021038036A (en) * | 2019-08-30 | 2021-03-11 | ブラザー工業株式会社 | Sheet feeding device and image forming device |
| US11643290B2 (en) | 2019-08-30 | 2023-05-09 | Brother Kogyo Kabushiki Kaisha | Sheet feeder and image forming apparatus |