JPS62104220U - - Google Patents
Info
- Publication number
- JPS62104220U JPS62104220U JP19640685U JP19640685U JPS62104220U JP S62104220 U JPS62104220 U JP S62104220U JP 19640685 U JP19640685 U JP 19640685U JP 19640685 U JP19640685 U JP 19640685U JP S62104220 U JPS62104220 U JP S62104220U
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- scanning device
- base
- polygon mirror
- heat dissipation
- 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
- 230000017525 heat dissipation Effects 0.000 claims 3
- 238000007599 discharging Methods 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
- Details Of Measuring And Other Instruments (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図〜第２図は本考案の実施例を示すもので
、第１図は本考案のレーザビーム走査装置の斜視
図、第２図は第１図の―面の部分断面図、第
３図は他の実施例に係るレーザビーム走査装置の
部分断面図をそれぞれ示し、また第４図〜第６図
は従来のレーザビーム走査装置を示し、第４図は
その斜視図、第５図はその平面図、第６図は第４
図の―面断面図をそれぞれ示している。
〔符号説明〕、１……基台、２……半導体レー
ザ、３……コリメータレンズ、４……ポリゴンミ
ラー、５……装置カバー、６……放熱フイン、７
……駆動モータ、８，９……反射ミラー。
1 and 2 show an embodiment of the present invention. FIG. 1 is a perspective view of the laser beam scanning device of the present invention, FIG. 2 is a partial cross-sectional view of the - plane of FIG. The figures each show a partial sectional view of a laser beam scanning device according to another embodiment, and FIGS. 4 to 6 show a conventional laser beam scanning device, FIG. 4 is a perspective view thereof, and FIG. 5 is a perspective view thereof. Its plan view, Figure 6, is the 4th
A cross-sectional view of the figure is shown in each figure. [Description of symbols], 1...Base, 2...Semiconductor laser, 3...Collimator lens, 4...Polygon mirror, 5...Device cover, 6...Radiating fin, 7
...Drive motor, 8, 9...Reflection mirror.
Claims (1)
を等間隔に設けて成るポリゴンミラーと、装置本
体の基台上に固定して配設され、上記ポリゴンミ
ラーを回動させる駆動モータとを備え、光源から
のレーザビームを上記ポリゴンミラーの反射面へ
照射させて偏向走査するレーザビーム走査装置に
おいて、上記基台には駆動モータが駆動する際に
生ずる発熱を外部へ放出するための放熱部を設け
たことを特徴とするレーザビーム走査装置。 (2) 上記放熱部が基台下面側に設けられた放熱
フインより構成されていることを特徴とする実用
新案登録請求の範囲第１項記載のレーザビーム走
査装置。[Claims for Utility Model Registration] (1) A polygon mirror consisting of a plurality of reflective surfaces provided at equal intervals on the outer periphery equidistant from the rotation axis, and fixedly disposed on the base of the device body, In a laser beam scanning device that includes a drive motor that rotates a polygon mirror and deflects and scans by irradiating a laser beam from a light source onto the reflective surface of the polygon mirror, the base has a laser beam that is generated when the drive motor is driven. A laser beam scanning device characterized by being provided with a heat dissipation section for discharging heat to the outside. (2) The laser beam scanning device according to claim 1, wherein the heat dissipation section is constituted by a heat dissipation fin provided on the lower surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19640685U JPS62104220U (en) | 1985-12-20 | 1985-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19640685U JPS62104220U (en) | 1985-12-20 | 1985-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62104220U true JPS62104220U (en) | 1987-07-03 |
Family
ID=31155199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19640685U Pending JPS62104220U (en) | 1985-12-20 | 1985-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62104220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008033135A (en) * | 2006-07-31 | 2008-02-14 | Ricoh Co Ltd | Optical scanner and image forming apparatus equipped with the same |
-
1985
- 1985-12-20 JP JP19640685U patent/JPS62104220U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008033135A (en) * | 2006-07-31 | 2008-02-14 | Ricoh Co Ltd | Optical scanner and image forming apparatus equipped with the same |