JPH0467220U - - Google Patents
Info
- Publication number
- JPH0467220U JPH0467220U JP11127190U JP11127190U JPH0467220U JP H0467220 U JPH0467220 U JP H0467220U JP 11127190 U JP11127190 U JP 11127190U JP 11127190 U JP11127190 U JP 11127190U JP H0467220 U JPH0467220 U JP H0467220U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- opening
- driving device
- rotation
- actuator cover
- 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
Landscapes
- Optical Head (AREA)
Description
第１図は、本考案の実施例である対物レンズ駆
動装置の斜視図であり、第２図は、内部構造を示
す縦断面図、第３図は、平面図である。第４図お
よび第５図はいずれも従来の対物レンズの駆動装
置を示す平面図と、内部構造を示す縦断面図であ
る。
２……アクチユエータカバー、２ａ……凸部、
３……開口部。
FIG. 1 is a perspective view of an objective lens driving device according to an embodiment of the present invention, FIG. 2 is a longitudinal sectional view showing the internal structure, and FIG. 3 is a plan view. FIG. 4 and FIG. 5 are both a plan view showing a conventional objective lens driving device and a longitudinal sectional view showing the internal structure. 2... Actuator cover, 2a... Convex portion,
3...Opening.
Claims (1)
光する対物レンズを有し、該対物レンズ上方を開
部としたアクチユエータカバーを設けた対物レン
ズ駆動装置において、前記アクチユエータカバー
の開口部周囲のデイスク回転方向上流側に、デイ
スク回転により生じる空気流の整流手段を形成す
ることにより、前記開口部を防塵するように構成
したことを特徴とする対物レンズ駆動装置。 In an objective lens driving device having an objective lens for condensing a light beam facing a rotating optical disk surface and provided with an actuator cover having an opening above the objective lens, an opening in the actuator cover is provided. 1. An objective lens driving device characterized in that the opening is configured to be dust-proof by forming a rectifying means for airflow generated by the rotation of the disk on the upstream side in the direction of rotation of the disk around the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11127190U JPH0467220U (en) | 1990-10-24 | 1990-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11127190U JPH0467220U (en) | 1990-10-24 | 1990-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0467220U true JPH0467220U (en) | 1992-06-15 |
Family
ID=31858697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11127190U Pending JPH0467220U (en) | 1990-10-24 | 1990-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0467220U (en) |
-
1990
- 1990-10-24 JP JP11127190U patent/JPH0467220U/ja active Pending