JPS6449914U - - Google Patents
Info
- Publication number
- JPS6449914U JPS6449914U JP14565487U JP14565487U JPS6449914U JP S6449914 U JPS6449914 U JP S6449914U JP 14565487 U JP14565487 U JP 14565487U JP 14565487 U JP14565487 U JP 14565487U JP S6449914 U JPS6449914 U JP S6449914U
- Authority
- JP
- Japan
- Prior art keywords
- rotor body
- dynamic pressure
- rotating polygon
- polygon mirror
- inner peripheral
- 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
- 239000000919 ceramic Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
Landscapes
- Sliding-Contact Bearings (AREA)
- Mechanical Optical Scanning Systems (AREA)
Description
第１図は本考案に係る回転多面鏡を示す部分断
面図、第２図は第１図のＡ部の拡大断面図、第３
図は従来の回転多面鏡を示す部分断面図、第４図
は第３図のＢ部の部分拡大図、第５図はこの種の
回転多面鏡が採用される装置の全体構成を示す斜
視図である。
符号の説明、１０……回転多面鏡、１１……ロ
ータ本体、１２……鏡部、１３……内周部、１４
……縁部、１５……セラミツクスリーブ、１６…
…セラミツク円板、２０……モータハウジング、
２１……セラミツク動圧スラスト板、２２……動
圧シヤフト、３０……従来の回転多面鏡、３１…
…ロータ本体、３２……鏡部、３３……内周部、
３４……縁部。
Fig. 1 is a partial sectional view showing a rotating polygon mirror according to the present invention, Fig. 2 is an enlarged sectional view of section A in Fig. 1, and Fig.
The figure is a partial sectional view showing a conventional rotating polygon mirror, FIG. 4 is a partially enlarged view of section B in FIG. 3, and FIG. 5 is a perspective view showing the overall configuration of a device in which this type of rotating polygon mirror is adopted It is. Explanation of symbols, 10...Rotating polygon mirror, 11...Rotor body, 12...Mirror part, 13...Inner peripheral part, 14
... Edge, 15 ... Ceramic sleeve, 16 ...
...Ceramic disc, 20...Motor housing,
21... Ceramic dynamic pressure thrust plate, 22... Dynamic pressure shaft, 30... Conventional rotating polygon mirror, 31...
...Rotor body, 32...Mirror part, 33...Inner peripheral part,
34...Edge.
Claims (1)
を有し、このロータ本体がその内周部と動圧シヤ
フトとの間に動圧を発生させるためのギヤツプを
形成するように設置される回転多面鏡であつて、 少なくとも前記ロータ本体の内周部及び動圧シ
ヤフトをセラミツクによつて形成し、かつこのロ
ータ本体の内周部の縁部を曲面としたことを特徴
とする回転多面鏡。[Claims for Utility Model Registration] A rotor body having a cylindrical shape with a mirror portion on its outer circumference, and a gear for generating dynamic pressure between the rotor body's inner circumference and a dynamic pressure shaft. A rotating polygon mirror installed to form a rotor body, at least the inner peripheral part of the rotor body and the dynamic pressure shaft are made of ceramic, and the edge of the inner peripheral part of the rotor body is curved. A rotating polygon mirror characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14565487U JPS6449914U (en) | 1987-09-24 | 1987-09-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14565487U JPS6449914U (en) | 1987-09-24 | 1987-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6449914U true JPS6449914U (en) | 1989-03-28 |
Family
ID=31414437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14565487U Pending JPS6449914U (en) | 1987-09-24 | 1987-09-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6449914U (en) |
-
1987
- 1987-09-24 JP JP14565487U patent/JPS6449914U/ja active Pending