JPS643843U - - Google Patents
Info
- Publication number
- JPS643843U JPS643843U JP9484487U JP9484487U JPS643843U JP S643843 U JPS643843 U JP S643843U JP 9484487 U JP9484487 U JP 9484487U JP 9484487 U JP9484487 U JP 9484487U JP S643843 U JPS643843 U JP S643843U
- Authority
- JP
- Japan
- Prior art keywords
- arm
- optical
- size detection
- detection device
- document size
- 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
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Holders For Sensitive Materials And Originals (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１，２図は露光光学系並びに本考案の原稿サ
イズ検知装置の構造を示す要部斜視図、第３図は
本考案の原稿サイズ検知装置をコンタクトガラス
上より見た図、第４図は、本考案の原稿サイズ検
知装置の支持機構を示す側面図、第５図は、本考
案の原稿サイズ検知装置の光学センサーの機構を
示す模式図、第６図は本考案の原稿サイズ検知装
置を取り付けるための複写機の構造を示す断面図
、第７図は、従来の原稿サイズ検知装置を表す斜
視図、
を夫々表す。そして、これらの図面において引照
数字は以下の内容を示す。
４……コンタクトガラス、６……原稿押さえ、
１０，１０′……反射鏡、１２……レンズユニツ
ト、４６，４７……ワイヤー、５４，５５……駆
動プーリー、７０，７２……枠体、７３，９２，
９４……軸、７５……アーム、９１……ガイド部
材、９３……弾性部材層、９５……ガイドレール
、Ａ……露光光学系、Ｍ１……第１の移動体、Ｍ
２……第２の移動体。
Figures 1 and 2 are perspective views of the main parts showing the structure of the exposure optical system and the document size detection device of the present invention, Figure 3 is a view of the document size detection device of the present invention viewed from above the contact glass, and Figure 4 is , a side view showing the support mechanism of the document size detection device of the present invention, FIG. 5 is a schematic diagram showing the optical sensor mechanism of the document size detection device of the present invention, and FIG. 6 is a side view showing the support mechanism of the document size detection device of the present invention. FIG. 7 is a cross-sectional view showing the structure of a copying machine for installation, and FIG. 7 is a perspective view showing a conventional document size detection device. Reference numerals in these drawings indicate the following contents. 4...Contact glass, 6...Document holder,
10, 10'... Reflector, 12... Lens unit, 46, 47... Wire, 54, 55... Drive pulley, 70, 72... Frame, 73, 92,
94...Axis, 75...Arm, 91...Guide member, 93...Elastic member layer, 95...Guide rail, A...Exposure optical system, M1 ...First moving body, M
2 ...Second moving object.
Claims (1)
露光する画像形成機器に装着される原稿サイズ検
知装置において、該装置は、 少なくとも一つの屈曲部を有し、光学部の移動
と連動して屈伸するアーム部、 各種の定型サイズの原稿に対応させ、上記アー
ム部上面に設けられた複数個の光学センサ、を具
備し、 上記アームの一方の端部を画像形成機器の所定
位置に、他方の端部を光学部を支持する移動体の
所定位置にそれぞれ連結すると共に、上記アーム
部には、該アームの自重による下方移動を防止し
、且つアームの下方に位置付けられ、画像形成機
器本体の板状部上に弾性部材を介して設けられた
ガイドレール上を移動自在な支持部材を設けたこ
とを特徴とする原稿サイズ検知装置。 (2) 上記支持部材は、上記両端部間に位置付け
られ、該支持部材により上記アーム部を実質上水
平に支持することを特徴とする実用新案登録請求
の範囲第１項記載の装置。 (3) 上記ガイド部材がレンズユニツトのハウジ
ング上面に設けられている実用新案登録請求の範
囲第１項記載の装置。[Claims for Utility Model Registration] (1) A document size detection device installed in an image forming device that scans and exposes a document by moving an optical system, which device has at least one bent part and has an optical An arm section that bends and extends in conjunction with the movement of the arm section, and a plurality of optical sensors installed on the upper surface of the arm section to accommodate documents of various standard sizes. The other end is connected to a predetermined position of the device and the other end is connected to a predetermined position of a movable body that supports the optical part, and the arm part is provided with a part that prevents the arm from moving downward due to its own weight and is positioned below the arm. What is claimed is: 1. A document size detection device comprising: a support member movable on a guide rail provided on a plate-shaped portion of an image forming apparatus main body via an elastic member; (2) The device according to claim 1, wherein the support member is positioned between the two end portions and supports the arm portion substantially horizontally. (3) The device according to claim 1, wherein the guide member is provided on the upper surface of the housing of the lens unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9484487U JPS643843U (en) | 1987-06-19 | 1987-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9484487U JPS643843U (en) | 1987-06-19 | 1987-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643843U true JPS643843U (en) | 1989-01-11 |
Family
ID=31319428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9484487U Pending JPS643843U (en) | 1987-06-19 | 1987-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643843U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS622323B2 (en) * | 1981-05-26 | 1987-01-19 | Canon Kk |
-
1987
- 1987-06-19 JP JP9484487U patent/JPS643843U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS622323B2 (en) * | 1981-05-26 | 1987-01-19 | Canon Kk |
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