JPH03105814U - - Google Patents
Info
- Publication number
- JPH03105814U JPH03105814U JP1475390U JP1475390U JPH03105814U JP H03105814 U JPH03105814 U JP H03105814U JP 1475390 U JP1475390 U JP 1475390U JP 1475390 U JP1475390 U JP 1475390U JP H03105814 U JPH03105814 U JP H03105814U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- scanning direction
- main scanning
- optical system
- end portions
- 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 description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の変形シリンドリカルレンズの
斜視図、第２図は本考案の変形シリンドリカルレ
ンズの支持構造を示す断面図、第３図は本考案が
適用される走査光学系の概略図、第４図は従来の
変形シリンドリカルレンズを支承構成の一例を示
す断面図、第５図ａ，ｂ，ｃは夫々本考案の両端
フリーの場合と従来の両端固定の場合を図式的に
示した説明図である。
５……変形シリンドリカルレンズ、６Ａ，６Ｂ
……主走査方向の両端の取付部、７Ａ，７Ｂ……
主走査方向の中央の取付部、１０Ａ，１０Ｂ……
主走査方向の両端の取付部を支承するハウジング
の支承面、１０Ｃ，１０Ｄ……主走査方向の中央
の取付部を支承するハウジングの支承面、１１…
…穴部。
FIG. 1 is a perspective view of the deformed cylindrical lens of the present invention, FIG. 2 is a sectional view showing the support structure of the deformed cylindrical lens of the present invention, and FIG. 3 is a schematic diagram of the scanning optical system to which the present invention is applied. Figure 4 is a sectional view showing an example of a conventional structure for supporting a deformed cylindrical lens, and Figures 5a, b, and c are explanatory diagrams schematically showing the case where both ends are free according to the present invention and the conventional case where both ends are fixed, respectively. It is. 5...Deformed cylindrical lens, 6A, 6B
...Mounting parts at both ends in the main scanning direction, 7A, 7B...
Mounting part at the center in the main scanning direction, 10A, 10B...
Supporting surfaces of the housing that support the mounting portions at both ends in the main scanning direction, 10C, 10D...Supporting surfaces of the housing that support the mounting portion at the center in the main scanning direction, 11...
...Anabe.
Claims (1)
ルレンズ等のレンズを支承するに、レンズの主走
査方向の両端位置とレンズの主走査方向の中央両
側位置とで支持する走査光学系のレンズ支持構造
において、前記レンズの主走査方向両端位置のレ
ンズ端部を支承部に嵌入し、支承部内で前記レン
ズ端部の変移を許容することを特徴とする走査光
学系のレンズ支持構造。 In a lens support structure of a scanning optical system that supports a lens such as a cylindrical lens formed of a plastic material, the lens is supported at both ends of the lens in the main scanning direction and at both sides of the center of the lens in the main scanning direction. A lens support structure for a scanning optical system, characterized in that lens end portions at both end positions in a main scanning direction are fitted into a support portion, and displacement of the lens end portions is allowed within the support portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1475390U JPH03105814U (en) | 1990-02-19 | 1990-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1475390U JPH03105814U (en) | 1990-02-19 | 1990-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03105814U true JPH03105814U (en) | 1991-11-01 |
Family
ID=31518098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1475390U Pending JPH03105814U (en) | 1990-02-19 | 1990-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03105814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013242415A (en) * | 2012-05-21 | 2013-12-05 | Konica Minolta Inc | Laser-scanning optical device, and image forming apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6247010A (en) * | 1985-08-26 | 1987-02-28 | Konishiroku Photo Ind Co Ltd | Laser scanner |
-
1990
- 1990-02-19 JP JP1475390U patent/JPH03105814U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6247010A (en) * | 1985-08-26 | 1987-02-28 | Konishiroku Photo Ind Co Ltd | Laser scanner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013242415A (en) * | 2012-05-21 | 2013-12-05 | Konica Minolta Inc | Laser-scanning optical device, and image forming apparatus |