JPH036618U - - Google Patents
Info
- Publication number
- JPH036618U JPH036618U JP5574290U JP5574290U JPH036618U JP H036618 U JPH036618 U JP H036618U JP 5574290 U JP5574290 U JP 5574290U JP 5574290 U JP5574290 U JP 5574290U JP H036618 U JPH036618 U JP H036618U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- rotating
- polygon mirror
- receiving surface
- shaft
- 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.)
- Granted
Links
- 230000000452 restraining effect Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
Description
第１図は回転多面鏡の面倒れを説明する図、第
２図ａ，ｂ，ｃは従来の回転多面鏡の回転軸への
取付けを示す縦断面図、第３図および第４図は、
それぞれ、本考案の実施例を示す縦断面図、第５
図ａ，ｂは、それぞれ第３図および第４図に示す
実施例に使用される弾性体を示す側断面図および
平面図、第６図および第７図は第５図ａ，ｂに示
す弾性体の装着状態を示す縦断面図、第８図は、
前記弾性体を係止部材として使用し、別部材の弾
性体を併用した変形例を示す図である。
１……回転多面鏡、１ａ……鏡面、１ｂ……ボ
ス部、１ｃ……取付基準面、２……回転軸、３…
…感光体、４……ビーム、５……受け部材、５ａ
……受け面、６……ネジ、７……リング板、８…
…止ネジ、１０……回転装置（モータ）、１１…
…ケーシング、１２……軸受部、１３……内筒、
１４……ステータコイル、１５……ステータ、１
６……ロータ、１７……ロータマグネツト、１８
……圧縮バネ、１９……回転検出用円板、２０…
…回転検出用センサー、２１……受け部材、２１
ａ……受け面、２２……弾性体、２３……圧縮バ
ネ、２４……係止部材、２５……押えリング。
FIG. 1 is a diagram explaining the surface tilt of a rotating polygon mirror, FIGS. 2 a, b, and c are longitudinal cross-sectional views showing how a conventional rotating polygon mirror is attached to a rotating shaft, and FIGS. 3 and 4 are
FIG. 5 is a vertical sectional view showing an embodiment of the present invention, respectively.
Figures a and b are side sectional views and plan views showing the elastic bodies used in the embodiments shown in Figures 3 and 4, respectively, and Figures 6 and 7 are the elastic bodies shown in Figures 5 a and b. FIG. 8 is a vertical cross-sectional view showing the state in which it is worn on the body.
It is a figure which shows the modification which uses the said elastic body as a locking member, and also uses the elastic body of another member. 1...Rotating polygon mirror, 1a...Mirror surface, 1b...Boss portion, 1c...Mounting reference surface, 2...Rotating shaft, 3...
...Photoreceptor, 4...Beam, 5...Receiving member, 5a
...Receiving surface, 6...Screw, 7...Ring plate, 8...
...Set screw, 10...Rotating device (motor), 11...
...Casing, 12...Bearing section, 13...Inner cylinder,
14... Stator coil, 15... Stator, 1
6...Rotor, 17...Rotor magnet, 18
...Compression spring, 19... Rotation detection disc, 20...
...Rotation detection sensor, 21...Receiving member, 21
a... Receiving surface, 22... Elastic body, 23... Compression spring, 24... Locking member, 25... Presser ring.
補正 平２．６．２７
実用新案登録請求の範囲を次のように補正する
。Amendment June 27, 2002 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
回転軸と、前記回転軸とともに回転する前記回
転軸に対して直交する受け面と、前記回転軸を回
転させる回転装置とを有し、前記回転軸に回転多
面鏡を嵌合して、前記回転多面鏡を前記受け面に
当接せしめ、前記回転多面鏡を上方から抑え部材
により抑えることにより前記受け面上に前記回転
多面鏡を固定する光ビーム走査装置において、
前記抑え部材は、前記回転軸に嵌合する中央内
径部孔径が前記回転軸より小さく、かつ半径方向
に数個所の割りが設けられた板状弾性体より成り
、前記板状弾性体から成る抑え部材を前記回転軸
に上方から押し込み、前記回転軸にくい込ませて
係止することを特徴とする光ビーム走査装置。[Claims for Utility Model Registration] A rotating shaft, a receiving surface perpendicular to the rotating shaft that rotates together with the rotating shaft, and a rotating device that rotates the rotating shaft, and a rotating polygon mirror mounted on the rotating shaft. in a light beam scanning device that fixes the rotating polygon mirror on the receiving surface by fitting the rotating polygon mirror into contact with the receiving surface and holding down the rotating polygon mirror from above with a restraining member, The restraining member is made of a plate-like elastic body whose central inner diameter hole diameter that fits into the rotation shaft is smaller than the rotation shaft, and is provided with several splits in the radial direction, and is made of the plate-like elastic body. A light beam scanning device characterized in that a restraining member is pushed into the rotating shaft from above, and the holding member is inserted into the rotating shaft and locked.
Claims (1)
転軸に対して直交する受け面と、前記回転軸を回
転させる回転装置とを有し、前記回転軸に回転多
面鏡を嵌合して、前記回転多面鏡を前記受け面に
当接せしめ、前記回転多面鏡を上方から抑え部材
により抑えることにより前記受け面上に前記回転
多面鏡を固定する光ビーム走査装置において、 前記抑え部材は、前記回転軸に嵌合する中央内
径部孔径が前記回転軸より小さく、かつ半径方向
に数個所の割りが設けられた円板状弾性体より成
り、前記円板状弾性体から成る抑え部材を前記回
転軸に上方から押し込み、前記回転軸にくい込ま
せて係止することを特徴とする光ビーム走査装置
。[Claims for Utility Model Registration] A rotating shaft, a receiving surface perpendicular to the rotating shaft that rotates together with the rotating shaft, and a rotating device that rotates the rotating shaft, and a rotating polygon mirror mounted on the rotating shaft. in a light beam scanning device that fixes the rotating polygon mirror on the receiving surface by fitting the rotating polygon mirror into contact with the receiving surface and holding down the rotating polygon mirror from above with a restraining member, The suppressing member is made of a disc-shaped elastic body whose center inner diameter hole diameter that fits into the rotation shaft is smaller than the rotation shaft, and is provided with several breaks in the radial direction. A light beam scanning device characterized in that a restraining member is pushed into the rotating shaft from above and inserted into the rotating shaft to lock it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5574290U JPH079132Y2 (en) | 1990-05-28 | 1990-05-28 | Light beam scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5574290U JPH079132Y2 (en) | 1990-05-28 | 1990-05-28 | Light beam scanning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH036618U true JPH036618U (en) | 1991-01-23 |
| JPH079132Y2 JPH079132Y2 (en) | 1995-03-06 |
Family
ID=31578961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5574290U Expired - Lifetime JPH079132Y2 (en) | 1990-05-28 | 1990-05-28 | Light beam scanning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079132Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0618366U (en) * | 1992-08-05 | 1994-03-08 | エフシー総研株式会社 | Filament winding device and reel |
-
1990
- 1990-05-28 JP JP5574290U patent/JPH079132Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0618366U (en) * | 1992-08-05 | 1994-03-08 | エフシー総研株式会社 | Filament winding device and reel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH079132Y2 (en) | 1995-03-06 |
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