JPS643815U - - Google Patents
Info
- Publication number
- JPS643815U JPS643815U JP9478787U JP9478787U JPS643815U JP S643815 U JPS643815 U JP S643815U JP 9478787 U JP9478787 U JP 9478787U JP 9478787 U JP9478787 U JP 9478787U JP S643815 U JPS643815 U JP S643815U
- Authority
- JP
- Japan
- Prior art keywords
- polygon mirror
- rotating polygon
- rotor shaft
- contact
- motor
- 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
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims 1
- 230000000452 restraining effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
第１図は本考案の回転多面鏡の保持装置に係る
一実施例を示す断面図、第２図は第１図の抑え部
材を示す斜視図、第３図は抑え部材が回転多面鏡
を押圧する状態を示す正面図、第４図はレーザ・
プリンタの概略図、第５図は従来の回転多面鏡の
保持装置を示す断面図である。
５，３３……回転多面鏡、１１，２５……モー
タ、１３，２７……ロータシヤフト、１５，２９
……支持部材、１７……抑えフランジ、１９……
波形ワツシヤー、２１，４７……係止溝（係止部
）、３１，３７……貫通孔、３５……抑え部材（
抑えリング）、３９……空隙、４１……差込み部
、４３……当接部、４５……係止片、Ａ……回転
多面鏡の保持装置。
Fig. 1 is a sectional view showing an embodiment of the rotating polygon mirror holding device of the present invention, Fig. 2 is a perspective view showing the holding member shown in Fig. 1, and Fig. 3 is a holding member pressing the rotating polygon mirror. Figure 4 is a front view showing the state in which the laser
FIG. 5, which is a schematic diagram of the printer, is a sectional view showing a conventional rotating polygon mirror holding device. 5, 33... Rotating polygon mirror, 11, 25... Motor, 13, 27... Rotor shaft, 15, 29
...Supporting member, 17...Retaining flange, 19...
Wave-shaped washer, 21, 47...locking groove (locking part), 31, 37...through hole, 35...pressing member (
holding ring), 39... air gap, 41... insertion part, 43... contact part, 45... locking piece, A... holding device for rotating polygon mirror.
Claims (1)
された係止部を有するロータシヤフトと、 前記係止部よりモータ側にて前記ロータシヤフ
トに取付けられた支持部材と、 前記ロータシヤフトより大径の貫通孔を前記ロ
ータシヤフトにはめ込み、前記支持部材に当接さ
せるようにして前記係止部より前記モータ側に配
置された回転多面鏡と、 この回転多面鏡の端面に当接するようにして前
記ロータシヤフトにはめ込まれた弾性材製のリン
グ状抑え部材と、 を具備する回転多面鏡の保持装置であつて、 前記抑え部材が、前記回転多面鏡の前記貫通孔
と前記ロータシヤフト間の空隙に圧入するように
差込まれた差込み部と、前記回転多面鏡の端面に
当接するように突設された多数の当接部と、その
内周部から突設されて前記係止部に係止され、前
記差込み部および前記当接部に加圧力を生じさせ
る係止片を有してなることを特徴とする回転多面
鏡の保持装置。[Claims for Utility Model Registration] A motor, a rotor shaft that protrudes from the motor and has a locking part recessed in the middle, and a support member attached to the rotor shaft on the side of the motor from the locking part. , a rotating polygon mirror disposed closer to the motor than the locking portion so as to fit into the rotor shaft and come into contact with the support member; and an end face of the rotating polygon mirror. A rotating polygon mirror holding device comprising: a ring-shaped restraining member made of an elastic material fitted into the rotor shaft so as to come into contact with the rotor shaft; an insertion part that is press-fitted into the gap between the rotor shafts; a number of contact parts that protrude so as to come into contact with the end surfaces of the rotating polygon mirror; A holding device for a rotating polygon mirror, comprising a locking piece that is locked to the locking portion and generates a pressing force on the insertion portion and the contact portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9478787U JPS643815U (en) | 1987-06-19 | 1987-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9478787U JPS643815U (en) | 1987-06-19 | 1987-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643815U true JPS643815U (en) | 1989-01-11 |
Family
ID=31319363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9478787U Pending JPS643815U (en) | 1987-06-19 | 1987-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02124248U (en) * | 1989-03-25 | 1990-10-12 |
-
1987
- 1987-06-19 JP JP9478787U patent/JPS643815U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02124248U (en) * | 1989-03-25 | 1990-10-12 |