JPH0442622U - - Google Patents
Info
- Publication number
- JPH0442622U JPH0442622U JP8422590U JP8422590U JPH0442622U JP H0442622 U JPH0442622 U JP H0442622U JP 8422590 U JP8422590 U JP 8422590U JP 8422590 U JP8422590 U JP 8422590U JP H0442622 U JPH0442622 U JP H0442622U
- Authority
- JP
- Japan
- Prior art keywords
- imaging lens
- optical device
- scanning optical
- outer periphery
- cut out
- 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
- 238000003384 imaging method Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 238000007517 polishing process Methods 0.000 claims description 2
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は本考案の一実施例に係る走査光学装置
の構成を示す要部斜視図、第２図ａおよびｂは第
１図中の結像レンズの斜視図および側断面図、第
３図は研磨工程および芯取り工程を経た光学レン
ズを斜視図側断面図、第４図ａおよびｂは第１図
中の結像レンズの切断面の切断位置寸法および切
断傾きを説明する図、第５図ａおよびｂは第１図
中の取付枠の斜視図および側断面図、第６図ａお
よびｂは第１図中の結像レンズを取付枠に取り付
ける方法の一例を示す斜視図および側断面図、第
７ａ，ｂおよびｃは第１図中の結像レンズを取り
付け枠に取り付ける方法の他の例を示す斜視図、
側断面図および正面図、第８図は従来の走査光学
装置の一例を示す要部斜視図、第９図ａ〜ｄは従
来の走査光学装置における結像レンズの取付け方
法を示す分解斜視図、平面図、正面図および側面
図である。
図において、１……結像レンズ、１′……光学
レンズ、２……取付枠、３……偏向器、４……被
走査面、５……光軸、６……板ばね部材、７……
ビス、Ｌ……レーザ光である。
FIG. 1 is a perspective view of essential parts showing the configuration of a scanning optical device according to an embodiment of the present invention, FIGS. 2a and b are perspective views and side sectional views of the imaging lens in FIG. 1, and FIG. 3 4 is a perspective side sectional view of an optical lens that has undergone a polishing process and a centering process, FIGS. Figures a and b are perspective views and side sectional views of the mounting frame in Figure 1, and Figures 6 a and b are perspective views and side sectional views showing an example of how to attach the imaging lens in Figure 1 to the mounting frame. 7a, b and c are perspective views showing other examples of the method of attaching the imaging lens in FIG. 1 to the mounting frame,
A side sectional view and a front view, FIG. 8 is a perspective view of essential parts showing an example of a conventional scanning optical device, FIGS. 9 a to 9 d are exploded perspective views showing a method of attaching an imaging lens in a conventional scanning optical device, They are a top view, a front view, and a side view. In the figure, 1...imaging lens, 1'...optical lens, 2...mounting frame, 3...deflector, 4...surface to be scanned, 5...optical axis, 6...plate spring member, 7 ……
BIS, L... Laser light.
Claims (1)
によつて収束して光点により被走査面を走査する
走査光学装置において、 研磨工程および芯取り工程を経た外周が円形で
ある光学レンズの光が通過しない部分の片側のみ
を切り取つた結像レンズと、 この結像レンズを切り取られなかつた部分の外
周で位置決めして取り付ける取付枠と、 を備えることを特徴とする走査光学装置。[Scope of Claim for Utility Model Registration] In a scanning optical device in which a laser beam is deflected by a deflector and converged by an imaging lens to scan a surface to be scanned with a light spot, an outer periphery that has undergone a polishing process and a centering process. An imaging lens that is circular in shape and has only one side of the portion through which light does not pass cut out, and a mounting frame for positioning and attaching the imaging lens around the outer periphery of the portion that was not cut out. scanning optical device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8422590U JPH0442622U (en) | 1990-08-09 | 1990-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8422590U JPH0442622U (en) | 1990-08-09 | 1990-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0442622U true JPH0442622U (en) | 1992-04-10 |
Family
ID=31632535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8422590U Pending JPH0442622U (en) | 1990-08-09 | 1990-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442622U (en) |
-
1990
- 1990-08-09 JP JP8422590U patent/JPH0442622U/ja active Pending