JPS6236431U - - Google Patents
Info
- Publication number
- JPS6236431U JPS6236431U JP12667285U JP12667285U JPS6236431U JP S6236431 U JPS6236431 U JP S6236431U JP 12667285 U JP12667285 U JP 12667285U JP 12667285 U JP12667285 U JP 12667285U JP S6236431 U JPS6236431 U JP S6236431U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- hole
- recording medium
- optical recording
- objective lens
- 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
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Description
第１図は本考案の一例を示す図である。第２図
はリング材の側断面図である。第３図はリング材
の平面図である。第４図はリング材の他の例を示
す平面図である。第５図、第６図は従来の対物レ
ンズ駆動装置を示す図である。
４′……孔、５′……軸、２０，２０′……リ
ング材、２１，２１′……内壁、２２，２２′…
…突部。
FIG. 1 is a diagram showing an example of the present invention. FIG. 2 is a side sectional view of the ring material. FIG. 3 is a plan view of the ring material. FIG. 4 is a plan view showing another example of the ring material. FIGS. 5 and 6 are diagrams showing a conventional objective lens driving device. 4'... Hole, 5'... Shaft, 20, 20'... Ring material, 21, 21'... Inner wall, 22, 22'...
...projection.
Claims (1)
スライド機構を備え、光学記録媒体上に記録され
た情報を読み取る為に対物レンズを前記光学記録
媒体に対して垂直方向にスライド駆動する対物レ
ンズ駆動装置に於いて、 前記孔の上端及び下端に設けられた内壁に前記
軸に当接するスライド用突部を設けたリング材を
、 備えることを特徴とする対物レンズ駆動装置。[Claims for Utility Model Registration] A slide mechanism consisting of a cylindrical shaft and a hole into which the shaft is inserted is provided, and an objective lens is mounted relative to the optical recording medium in order to read information recorded on the optical recording medium. An objective lens driving device that slides in a vertical direction by means of a ring, comprising a ring member provided with sliding protrusions that abut the shaft on inner walls provided at the upper and lower ends of the hole. Lens drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12667285U JPS6236431U (en) | 1985-08-20 | 1985-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12667285U JPS6236431U (en) | 1985-08-20 | 1985-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6236431U true JPS6236431U (en) | 1987-03-04 |
Family
ID=31020698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12667285U Pending JPS6236431U (en) | 1985-08-20 | 1985-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6236431U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4818905U (en) * | 1971-07-12 | 1973-03-03 |
-
1985
- 1985-08-20 JP JP12667285U patent/JPS6236431U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4818905U (en) * | 1971-07-12 | 1973-03-03 |
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