JPH0264939U - - Google Patents
Info
- Publication number
- JPH0264939U JPH0264939U JP14358088U JP14358088U JPH0264939U JP H0264939 U JPH0264939 U JP H0264939U JP 14358088 U JP14358088 U JP 14358088U JP 14358088 U JP14358088 U JP 14358088U JP H0264939 U JPH0264939 U JP H0264939U
- Authority
- JP
- Japan
- Prior art keywords
- carriage
- light shielding
- moved
- lens
- rate
- 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 6
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図は光学系装置の遮光部材の構成を示す正
面図、第２図は本考案の遮光部材が装着される光
学系装置の主要部分の構成を示す平面図、第３図
は本考案が適用される光学系装置の機構を示す側
面図であり、第４図は従来の遮光部材の構成を示
す正面図である。
図中の符号、１……光学系装置、２……プラテ
ン、３……ランプキヤリツジ、５……ハーフレー
トキヤリツジ、６……端部ミラーキヤリツジ、１
０……レンズキヤリツジ、１２……下フレーム、
１５……遮光部材、１６……シールド、１７……
シート、１８……スリツト、１９……両面テープ
、２０……プーリ部材、２３……カムフオロワー
、２５……カム部材、３０，３５……ワイヤ、３
２……端部軸。
FIG. 1 is a front view showing the structure of a light shielding member of an optical system device, FIG. 2 is a plan view showing the structure of the main part of an optical system device to which the light shielding member of the present invention is attached, and FIG. 3 is a front view showing the structure of a light shielding member of the present invention. FIG. 4 is a side view showing the mechanism of the applied optical system device, and FIG. 4 is a front view showing the structure of a conventional light shielding member. Symbols in the figure: 1...Optical system device, 2...Platen, 3...Lamp carriage, 5...Half plate carriage, 6...End mirror carriage, 1
0...Lens carriage, 12...Lower frame,
15... Light shielding member, 16... Shield, 17...
Sheet, 18...Slit, 19...Double-sided tape, 20...Pulley member, 23...Cam follower, 25...Cam member, 30, 35...Wire, 3
2...End shaft.
Claims (1)
査するためのランプキヤリツジと、該ランプキヤ
リツジの移動に追従して１／２の比率で移動され
るハーフレートキヤリツジ、および、端部ミラー
キヤリツジとを配置し、該ハーフレートキヤリツ
ジと端部ミラーキヤリツジとの間にレンズキヤリ
ツジを設け、該レンズキヤリツジを複写倍率に対
応させて移動させるように構成してなる光学系装
置において、 前記レンズキヤリツジの下フレームの移動方向
の両側に遮光部材を配置し、該遮光部材のシート
の下部を、光学系装置と画像形成装置本体部分と
を遮蔽するように構成するとともに、 前記遮光部材のシートの下部に所定の間隔でス
リツトを形成し、そのスリツトの上部を覆うよう
にしてシールドに固定することを特徴とするレン
ズキヤリツジの遮光装置。[Claims for Utility Model Registration] A lamp carriage that is moved on the underside of the platen to scan an image on a document, and a half-rate that is moved at a rate of 1/2 following the movement of the lamp carriage. A carriage and an end mirror carriage are arranged, a lens carriage is provided between the half rate carriage and the end mirror carriage, and the lens carriage is moved in accordance with the copying magnification. In the optical system device configured as above, light shielding members are arranged on both sides of the lower frame of the lens carriage in the moving direction, and a lower part of the sheet of the light shielding member shields the optical system device and the main body of the image forming apparatus. A light shielding device for a lens carriage, characterized in that slits are formed at a predetermined interval in the lower part of the sheet of the light shielding member, and the upper part of the slits is covered and fixed to the shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14358088U JPH0731237Y2 (en) | 1988-11-02 | 1988-11-02 | Lens carriage shading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14358088U JPH0731237Y2 (en) | 1988-11-02 | 1988-11-02 | Lens carriage shading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0264939U true JPH0264939U (en) | 1990-05-16 |
| JPH0731237Y2 JPH0731237Y2 (en) | 1995-07-19 |
Family
ID=31410528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14358088U Expired - Lifetime JPH0731237Y2 (en) | 1988-11-02 | 1988-11-02 | Lens carriage shading device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0731237Y2 (en) |
-
1988
- 1988-11-02 JP JP14358088U patent/JPH0731237Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0731237Y2 (en) | 1995-07-19 |
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