JPS6186728U - - Google Patents
Info
- Publication number
- JPS6186728U JPS6186728U JP16748984U JP16748984U JPS6186728U JP S6186728 U JPS6186728 U JP S6186728U JP 16748984 U JP16748984 U JP 16748984U JP 16748984 U JP16748984 U JP 16748984U JP S6186728 U JPS6186728 U JP S6186728U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- platen
- copy
- original
- copying machine
- 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
- 238000005286 illumination Methods 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Projection-Type Copiers In General (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図はこの考案に係る覆写機の露光装置の一
実施例を示す一部破断要部斜視図、第２図は第１
図中−線に相当する断面説明図、第３図及び
第４図は第２図中−線及び−線に相当す
る要部断面図、第５図はこの実施例に係る露光装
置の作動を示す模式図、第６図は第５図中−
線断面図、第７図はこの考案に係る複写機の露光
装置の変形例を示す模式図、第８図は従来におけ
る複写機の露光装置の一例を示す断面説明図であ
る。
符号説明、Ｓ…フラツシユ照明手段、１…キヤ
ビテイ、２，２０…ハウジング、３…複写原稿、
４…プラテン、５…高反射面、６…結像レンズ、
１１…感光面、２５…可動壁部材（可動壁）。
FIG. 1 is a partially cutaway perspective view of the essential parts of an embodiment of the exposure device of a copying machine according to this invention, and FIG.
3 and 4 are cross-sectional views corresponding to the lines - and - in FIG. 2, and FIG. The schematic diagram shown in Fig. 6 is in Fig. 5.
7 is a schematic diagram showing a modified example of the exposure device for a copying machine according to the present invention, and FIG. 8 is a cross-sectional explanatory diagram showing an example of the exposure device for a conventional copying machine. Explanation of symbols, S... Flash illumination means, 1... Cavity, 2, 20... Housing, 3... Copy original,
4...Platen, 5...High reflective surface, 6...Imaging lens,
11...Photosensitive surface, 25...Movable wall member (movable wall).
Claims (1)
且つ頂部に矩形状の開口を有するハウジングと、
このハウジングの上部開口に装着されて複写原稿
の載置面を構成し且つ透過性部材で形成されたプ
ラテンと、上記ハウジング内に配設されて当該ハ
ウジングの高反射面に向けて光を照射するフラツ
シユ照明手段と、上記ハウジングの底部に開設し
た孔に装着される結像レンズとを備え、上記フラ
ツシユ照明手段からの照射光をキヤビテイ内で反
射させて上記プラテン上の複写原稿全面を照明し
、上記複写原稿の原像を上記結像レンズを介して
所定の感光面に投影するようにした複写機の露光
装置において、上記ハウジング側周部の一部を可
動壁として構成し、上記プラテン上の複写原稿サ
イズに対応して前記可動壁を移動させることによ
り、複写原稿に対応するプラテン領域を光の照射
領域として設定し得るようにしたことを特徴とす
る複写機の露光装置。 a housing that surrounds a substantially box-shaped cavity with a highly reflective surface and has a rectangular opening at the top;
A platen is attached to the upper opening of the housing and forms a placement surface for a copy original and is made of a transparent member, and a platen is disposed within the housing and irradiates light toward a highly reflective surface of the housing. comprising a flash illumination means and an imaging lens attached to a hole formed in the bottom of the housing, the illumination light from the flash illumination means is reflected within the cavity to illuminate the entire surface of the copy document on the platen; In the exposure device of the copying machine, which projects the original image of the copy document onto a predetermined photosensitive surface through the imaging lens, a part of the housing side periphery is configured as a movable wall, and An exposure device for a copying machine, characterized in that a platen area corresponding to a copy original can be set as a light irradiation area by moving the movable wall in accordance with the size of the copy original.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984167489U JPH0453635Y2 (en) | 1984-11-06 | 1984-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984167489U JPH0453635Y2 (en) | 1984-11-06 | 1984-11-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6186728U true JPS6186728U (en) | 1986-06-06 |
| JPH0453635Y2 JPH0453635Y2 (en) | 1992-12-16 |
Family
ID=30725282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984167489U Expired JPH0453635Y2 (en) | 1984-11-06 | 1984-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453635Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55115058A (en) * | 1979-02-26 | 1980-09-04 | Xerox Corp | Illuminator for copier |
-
1984
- 1984-11-06 JP JP1984167489U patent/JPH0453635Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55115058A (en) * | 1979-02-26 | 1980-09-04 | Xerox Corp | Illuminator for copier |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0453635Y2 (en) | 1992-12-16 |