JPH0450809U - - Google Patents
Info
- Publication number
- JPH0450809U JPH0450809U JP9372390U JP9372390U JPH0450809U JP H0450809 U JPH0450809 U JP H0450809U JP 9372390 U JP9372390 U JP 9372390U JP 9372390 U JP9372390 U JP 9372390U JP H0450809 U JPH0450809 U JP H0450809U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- end support
- supported
- pressing
- sides
- 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
- 210000000078 claw Anatomy 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は本考案の画像形成装置のレンズ支持装
置の構成を示す斜視図、第２図はその平面図、第
３図は前記第２図のＡ−Ａ線での断面図、第４図
はフインガーの構成を示す平面図、第５図は一般
的なレーザービーム書込み装置の説明図、第６図
は従来のレンズ支持装置の説明図、第６ａ図は前
記第６図に用いられる板バネの正面図であり、第
７図は他の従来のレンズ支持装置の説明図である
。
図中の符号 １……レーザープリンター、３…
…ポリゴンミラー、１０……ｆθレンズ、１１…
…平面部、１２，１３……側面、２０……支持基
板、２１，２２……端部支持部材、２３……外側
ブロツク、２４……内側ブロツク、２５，２６…
…押圧面、２７，２８……溝、２９……データム
、３０，３１……フインガー、３２……爪部材、
４０，４１……支持ブロツク、４２，４３……位
置決め部材、４４……押圧バネ、５０……板バネ
。
FIG. 1 is a perspective view showing the structure of a lens support device of an image forming apparatus of the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2, and FIG. is a plan view showing the configuration of the finger, FIG. 5 is an explanatory diagram of a general laser beam writing device, FIG. 6 is an explanatory diagram of a conventional lens support device, and FIG. 6a is a flat spring used in FIG. FIG. 7 is an explanatory diagram of another conventional lens support device. Codes in the diagram 1... Laser printer, 3...
...Polygon mirror, 10...fθ lens, 11...
...Plane portion, 12, 13... Side surface, 20... Support substrate, 21, 22... End support member, 23... Outer block, 24... Inner block, 25, 26...
... Pressing surface, 27, 28 ... Groove, 29 ... Datum, 30, 31 ... Finger, 32 ... Claw member,
40, 41...support block, 42, 43...positioning member, 44...pressing spring, 50...plate spring.
Claims (1)
光をｆθレンズを介して集光し、画像担持体に書
込むように構成してなる装置において、 前記ｆθレンズを支持する部材を、該ｆθレン
ズの両側に配置される端部支持部材と、前記両側
の端部支持部材にそれぞれ形成される溝に摺動可
能に支持されるフインガー、および、レンズの下
面を支持する位置決め突起とにより構成し、 前記端部支持部材には、レンズの平面部を位置
決めするための押圧面を設けるとともに、 前記端部支持部材に支持されるフインガーには
、レンズの側面を押圧して保持作用を行うための
爪部材を設けることを特徴とする画像形成装置の
レンズ支持装置。[Claims for Utility Model Registration] In an apparatus configured to reflect a laser beam on a rotating scanner, collect the light through an fθ lens, and write it on an image carrier, the fθ lens is supported. end support members disposed on both sides of the fθ lens, fingers slidably supported in grooves formed in the end support members on both sides, and a lower surface of the lens. a positioning protrusion, the end support member is provided with a pressing surface for positioning the flat part of the lens, and the finger supported by the end support member is provided with a pressing surface for pressing the side surface of the lens. 1. A lens support device for an image forming apparatus, comprising a claw member for performing a holding action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9372390U JPH0450809U (en) | 1990-09-06 | 1990-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9372390U JPH0450809U (en) | 1990-09-06 | 1990-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0450809U true JPH0450809U (en) | 1992-04-28 |
Family
ID=31831149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9372390U Pending JPH0450809U (en) | 1990-09-06 | 1990-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0450809U (en) |
-
1990
- 1990-09-06 JP JP9372390U patent/JPH0450809U/ja active Pending
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