JPH025117U - - Google Patents
Info
- Publication number
- JPH025117U JPH025117U JP8268288U JP8268288U JPH025117U JP H025117 U JPH025117 U JP H025117U JP 8268288 U JP8268288 U JP 8268288U JP 8268288 U JP8268288 U JP 8268288U JP H025117 U JPH025117 U JP H025117U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- support mechanism
- lens support
- focusing
- leaf spring
- 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 Recording Or Reproduction (AREA)
Description
第１図は本考案の一実施例の対物レンズ支持機
構を採用した対物レンズアクチユエータの分解斜
視図、第２図イは第１図におけるねじれ板ばねの
平面図、同図ロは同正面図、第３図はねじれ板ば
ねの他の実施例を示す平面図、同図ロは同正面図
、第４図はねじれ板ばねのさらに他の実施例を示
す斜視図、第５図は従来の対物レンズ支持機構を
示すもので対物レンズアクチユエータの同分解斜
視図である。
１……対物レンズ、２……対物レンズホルダ、
２０，２１，２２……ねじれ板ばね、２０ａ，２
１ａ，２２ａ……直角ねじれ部、２０ｂ，２１ｂ
，２２ｂ……水平部、２０ｃ，２１ｃ，２２ｃ…
…垂直部、１０……支持台。
Figure 1 is an exploded perspective view of an objective lens actuator employing an objective lens support mechanism according to an embodiment of the present invention, Figure 2A is a plan view of the torsion leaf spring in Figure 1, and Figure 2B is a front view of the same. 3 is a plan view showing another embodiment of the torsion leaf spring, B is a front view of the same, FIG. 4 is a perspective view showing still another embodiment of the torsion leaf spring, and FIG. 5 is a conventional FIG. 3 is an exploded perspective view of the objective lens actuator, showing the objective lens support mechanism of FIG. 1...Objective lens, 2...Objective lens holder,
20, 21, 22...Torsion leaf spring, 20a, 2
1a, 22a...Right angle twisted part, 20b, 21b
, 22b...horizontal part, 20c, 21c, 22c...
...Vertical part, 10... Support stand.
Claims (1)
としてフオーカシング駆動用の水平部とトラツキ
ング駆動用の垂直部とを設けたねじれ板ばねを備
え、対物レンズを取り付けた対物レンズホルダを
前記ねじれ板ばねを介してフオーカシング方向お
よびトラツキング方向に変位可能に支持したこと
をことを特徴とする対物レンズ支持機構。 A torsion leaf spring is provided in which a long and thin plate is twisted at right angles in the middle part and has a horizontal part for focusing drive and a vertical part for tracking drive. An objective lens support mechanism, characterized in that the objective lens support mechanism is supported movably in a focusing direction and a tracking direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8268288U JPH025117U (en) | 1988-06-22 | 1988-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8268288U JPH025117U (en) | 1988-06-22 | 1988-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH025117U true JPH025117U (en) | 1990-01-12 |
Family
ID=31307424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8268288U Pending JPH025117U (en) | 1988-06-22 | 1988-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994011869A1 (en) * | 1992-11-12 | 1994-05-26 | Seiko Epson Corporation | Device for driving optical part |
-
1988
- 1988-06-22 JP JP8268288U patent/JPH025117U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994011869A1 (en) * | 1992-11-12 | 1994-05-26 | Seiko Epson Corporation | Device for driving optical part |