JPH049909U - - Google Patents
Info
- Publication number
- JPH049909U JPH049909U JP5052790U JP5052790U JPH049909U JP H049909 U JPH049909 U JP H049909U JP 5052790 U JP5052790 U JP 5052790U JP 5052790 U JP5052790 U JP 5052790U JP H049909 U JPH049909 U JP H049909U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- fixed
- bracket
- image forming
- long hole
- 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
- 230000003287 optical effect Effects 0.000 claims 3
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Lens Barrels (AREA)
Description
第１図乃至第３図は、本考案の実施例を示す図
面であり、第１図は平面図、第２図は第１図のＡ
−Ａ線断面図、第３図は第１図のＢ−Ｂ線断面図
である。第４図は従来のレンズ固定を示す概略断
面図である。
１……レンズ、３，４……レンズブラケツト、
６……レンズホルダー。
1 to 3 are drawings showing an embodiment of the present invention, FIG. 1 is a plan view, and FIG. 2 is an A of FIG. 1.
- A sectional view, and FIG. 3 is a BB sectional view of FIG. 1. FIG. 4 is a schematic cross-sectional view showing conventional lens fixation. 1... Lens, 3, 4... Lens bracket,
6...Lens holder.
Claims (1)
レンズを固定し、該レンズを光学系として原稿の
読み取りを行なう画像形成装置において、フオー
カス調整部材を備えるとともに、光軸方向に長穴
を形成したレンズブラケツトによつてレンズを固
定した後に前記長穴にレンズホルダーとビスを介
して係合させレンズブラケツトをレンズの光軸方
向に移動可能にしてレンズのフオーカス調整を可
能にするとともに前記ビスによつてレンズブラケ
ツトとレンズホルダーを所定位置で固定するよう
にしたことを特徴とする画像形成装置のレンズ固
定構造。 In an image forming apparatus in which a lens is fixed to a lens holder attached to the main body of the apparatus and the lens is used as an optical system to read a document, a lens bracket is provided with a focus adjustment member and has a long hole formed in the optical axis direction. Therefore, after the lens is fixed, the lens bracket is engaged with the long hole through the lens holder and the screw, so that the lens bracket can be moved in the direction of the optical axis of the lens, and the focus of the lens can be adjusted. A lens fixing structure for an image forming apparatus, characterized in that a lens holder is fixed at a predetermined position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5052790U JPH049909U (en) | 1990-05-15 | 1990-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5052790U JPH049909U (en) | 1990-05-15 | 1990-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH049909U true JPH049909U (en) | 1992-01-28 |
Family
ID=31569152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5052790U Pending JPH049909U (en) | 1990-05-15 | 1990-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH049909U (en) |
-
1990
- 1990-05-15 JP JP5052790U patent/JPH049909U/ja active Pending
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