JPH0424762U - - Google Patents
Info
- Publication number
- JPH0424762U JPH0424762U JP6517390U JP6517390U JPH0424762U JP H0424762 U JPH0424762 U JP H0424762U JP 6517390 U JP6517390 U JP 6517390U JP 6517390 U JP6517390 U JP 6517390U JP H0424762 U JPH0424762 U JP H0424762U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- shutter
- section
- optical section
- light onto
- 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
- 230000003287 optical effect Effects 0.000 claims description 9
- 108091008695 photoreceptors Proteins 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 2
- 238000007664 blowing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図ないし第５図は本考案による画像形成装
置の一実施例を示す図であり、第１図は装置の全
体構成を示す断面図、第２図はシヤツタ部分を示
す斜視図、第３図はシヤツタの作動を示す断面図
、第４図は制御系のブロツク図、第５図は作動手
順を示すフローチヤートである。第６図は従来の
画像形成装置の要部を示す断面図である。
１……コンタクトガラス（光学部材）、４〜９
……反射ミラー（光学部材）、１１……感光体、
２３……送風フアン、２５……シヤツタ、３０…
…ギヤ（駆動手段）、３１……スライド板（駆動
手段）、３３……ソレノイド（駆動手段）、３４
……リターンスプリング（駆動手段）、４０……
ハウジング、４１……上部ハウジング（光学部）
、４２……下部ハウジング（記録部）、４３……
隔壁、４４……開口窓。
1 to 5 are views showing one embodiment of an image forming apparatus according to the present invention, in which FIG. 1 is a sectional view showing the overall structure of the apparatus, FIG. 2 is a perspective view showing the shutter portion, and FIG. 3 is a perspective view showing the shutter portion. FIG. 4 is a sectional view showing the operation of the shutter, FIG. 4 is a block diagram of the control system, and FIG. 5 is a flowchart showing the operating procedure. FIG. 6 is a sectional view showing the main parts of a conventional image forming apparatus. 1...Contact glass (optical member), 4 to 9
... Reflection mirror (optical member), 11 ... Photoreceptor,
23...Blower fan, 25...Shutter, 30...
...Gear (driving means), 31...Slide plate (driving means), 33...Solenoid (driving means), 34
...Return spring (driving means), 40...
Housing, 41... Upper housing (optical section)
, 42... lower housing (recording section), 43...
Bulkhead, 44...opening window.
Claims (1)
の光路を形成する複数の光学部材が設けられた光
学部と、この光学部からの投影光により感光体に
画像を形成するとともに前記感光体上の画像を記
録紙に転写する記録部とが、隔壁によつて隔離状
態でハウジング内に配置されており、前記隔壁に
おける感光体への投影光の入射部分に開口窓が形
成された画像形成装置において、前記開口窓を閉
鎖および開放するように作動するシヤツタと、前
記光学部による感光体への光の投影時に前記開口
窓を開放し、投影時以外は前記開口窓を閉鎖する
ように前記シヤツタを駆動する駆動手段と、前記
シヤツタの開放時に外気を前記光学部内に導入し
て光学部から記録部へ流入する空気流を生成する
送風手段とを備えていることを特徴とする画像形
成装置。 an optical section that is provided with a plurality of optical members that irradiates light onto the original and forms an optical path for reflected light from the original; In an image forming apparatus, a recording section for transferring an image onto a recording paper is arranged in a housing in a separated state by a partition wall, and an opening window is formed in a part of the partition wall where projection light onto a photoreceptor is incident. , a shutter that operates to close and open the aperture window; and a shutter that opens the aperture window when the optical section projects light onto the photoreceptor and closes the aperture window except when projecting light. An image forming apparatus comprising: a driving means for driving; and a blowing means for introducing outside air into the optical section when the shutter is opened to generate an air flow flowing from the optical section to the recording section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990065173U JP2513338Y2 (en) | 1990-06-20 | 1990-06-20 | Image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990065173U JP2513338Y2 (en) | 1990-06-20 | 1990-06-20 | Image forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0424762U true JPH0424762U (en) | 1992-02-27 |
| JP2513338Y2 JP2513338Y2 (en) | 1996-10-02 |
Family
ID=31596769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990065173U Expired - Lifetime JP2513338Y2 (en) | 1990-06-20 | 1990-06-20 | Image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2513338Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53142243A (en) * | 1977-05-17 | 1978-12-11 | Canon Inc | Electrophotographic image former |
| JPS61130933U (en) * | 1985-02-04 | 1986-08-15 | ||
| JPS6275658A (en) * | 1985-09-30 | 1987-04-07 | Canon Inc | Process cartridge with shutter |
-
1990
- 1990-06-20 JP JP1990065173U patent/JP2513338Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53142243A (en) * | 1977-05-17 | 1978-12-11 | Canon Inc | Electrophotographic image former |
| JPS61130933U (en) * | 1985-02-04 | 1986-08-15 | ||
| JPS6275658A (en) * | 1985-09-30 | 1987-04-07 | Canon Inc | Process cartridge with shutter |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2513338Y2 (en) | 1996-10-02 |
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