JPS62146114U - - Google Patents
Info
- Publication number
- JPS62146114U JPS62146114U JP3482986U JP3482986U JPS62146114U JP S62146114 U JPS62146114 U JP S62146114U JP 3482986 U JP3482986 U JP 3482986U JP 3482986 U JP3482986 U JP 3482986U JP S62146114 U JPS62146114 U JP S62146114U
- Authority
- JP
- Japan
- Prior art keywords
- reference portion
- mounting reference
- housing
- optical device
- scanning optical
- 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 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
- Lens Barrels (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は本考案による走査用光学装置の実施例
の要部構成図であり、第２図はレンズ鏡胴の外観
を示す正面図であり、第３図は同平面図である。
第４図は第２図のＡ―Ａ′矢視断面図である。第
５図は従来装置の要部組立斜視図であり第６図は
レーザ光学系全体構成の平面図である。
１……ｆθレンズ群、２……トロイダルレンズ
、３……回転多面鏡、４……取付用基板、４ｃ…
…突出部（第２取付基準部）、４ｄ……取付基準
面（第２取付基準部）、５……鏡胴、６ａ，６ｂ
……切欠部（第１取付基準部）。
FIG. 1 is a block diagram of essential parts of an embodiment of the scanning optical device according to the present invention, FIG. 2 is a front view showing the external appearance of a lens barrel, and FIG. 3 is a plan view thereof.
FIG. 4 is a sectional view taken along the line A-A' in FIG. FIG. 5 is an assembled perspective view of the main parts of the conventional device, and FIG. 6 is a plan view of the overall configuration of the laser optical system. 1... fθ lens group, 2... toroidal lens, 3... rotating polygon mirror, 4... mounting board, 4c...
...Protruding part (second mounting reference part), 4d... Mounting reference surface (second mounting reference part), 5... Lens barrel, 6a, 6b
...Notch part (first mounting reference part).
Claims (1)
行光を偏向する回転多面鏡と該回転多面鏡で偏向
された偏向光を補正するトロイダルレンズおよび
ｆθレンズ群とからなり所定のスポツト径を維持
しつつ走査面を走査する走査用光学装置において
、 該トロイダルレンズおよび該ｆθレンズ群は該
トロイダルレンズおよび該ｆθレンズ群を保持し
該トロイダルレンズの長手方向に対して所定の第
１取付基準部をもつ共通鏡胴を具備し、 該ハウジングは該第１取付基準部と接触する第
２取付基準部を有し、該共通鏡胴は該第１取付基
準部および該第２取付基準部とが接触した状態で
該ハウジングに固定保持された構成としたことを
特徴とする走査用光学装置。[Claims for Utility Model Registration] A housing, a rotating polygonal mirror that deflects parallel light stored in the housing, a toroidal lens and an fθ lens group that correct the polarized light deflected by the rotating polygonal mirror, and has a predetermined shape. In a scanning optical device that scans a scanning surface while maintaining a spot diameter of a common barrel having a first mounting reference portion, the housing having a second mounting reference portion in contact with the first mounting reference portion, and the common barrel having a second mounting reference portion and the first mounting reference portion; 1. A scanning optical device, characterized in that the scanning optical device is configured to be fixedly held on the housing while being in contact with a reference portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3482986U JPS62146114U (en) | 1986-03-11 | 1986-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3482986U JPS62146114U (en) | 1986-03-11 | 1986-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62146114U true JPS62146114U (en) | 1987-09-16 |
Family
ID=30843747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3482986U Pending JPS62146114U (en) | 1986-03-11 | 1986-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62146114U (en) |
-
1986
- 1986-03-11 JP JP3482986U patent/JPS62146114U/ja active Pending