JPS59135524U - Objective lens drive device for optical information reading device - Google Patents
Objective lens drive device for optical information reading deviceInfo
- Publication number
- JPS59135524U JPS59135524U JP2960283U JP2960283U JPS59135524U JP S59135524 U JPS59135524 U JP S59135524U JP 2960283 U JP2960283 U JP 2960283U JP 2960283 U JP2960283 U JP 2960283U JP S59135524 U JPS59135524 U JP S59135524U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- optical information
- information reading
- drive device
- drive mechanism
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例の対物レンズ駆動装置の斜視図で、第２
図は同縦断面図、第３図は本考案に係る対物レンズ駆動
装置の斜視図で、第４図は同縦断面図、第５図は対物レ
ンズ駆動装置の他実施例を示す斜視図で、第６図は同要
部の拡大断面図である。
１・・・・・・対物レンズ、２・・・・・・駆動機構、
９・・・・・・ダンパ、１２・・・・・・押え部材、１
１・・・・・・空気穴。
第５図
第６図
２４ｄFigure 1 is a perspective view of a conventional objective lens drive device;
3 is a perspective view of the objective lens drive device according to the present invention, FIG. 4 is a longitudinal sectional view of the same, and FIG. 5 is a perspective view showing another embodiment of the objective lens drive device. , FIG. 6 is an enlarged cross-sectional view of the same essential parts. 1... Objective lens, 2... Drive mechanism,
9... Damper, 12... Pressing member, 1
1...Air hole. Figure 5 Figure 6 24d
Claims (2)
と、この対物レンズをフォーカス方向に駆動する駆動機
構と、対物レンズを上下動自在に保持するダンパと、上
方向からの押しつけにより駆動機構に係止されこの駆動
機構とでダンパの外周縁を挟着状に固定する押え部材と
で構成したことを特徴とする光学式情報読取装置の対″
物しンズ駆動装置。(1) An objective lens that focuses a light beam on an information recording medium, a drive mechanism that drives this objective lens in the focus direction, a damper that holds the objective lens vertically movably, and a drive mechanism that is pressed from above. A pair of optical information reading devices, characterized in that the driving mechanism is engaged with the drive mechanism, and a holding member that clamps and fixes the outer periphery of the damper.
Things drive device.
を外部に逃がすための空気穴を形成した実用新案登録請
求の範囲第１項記載の光学式情報記録装置の対物レンズ
駆動装置。(2) An objective lens drive device for an optical information recording device according to claim 1, wherein at least one of the drive mechanism and the holding member is formed with an air hole for releasing internal air to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2960283U JPS59135524U (en) | 1983-03-01 | 1983-03-01 | Objective lens drive device for optical information reading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2960283U JPS59135524U (en) | 1983-03-01 | 1983-03-01 | Objective lens drive device for optical information reading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59135524U true JPS59135524U (en) | 1984-09-10 |
| JPH0450566Y2 JPH0450566Y2 (en) | 1992-11-30 |
Family
ID=30160462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2960283U Granted JPS59135524U (en) | 1983-03-01 | 1983-03-01 | Objective lens drive device for optical information reading device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59135524U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55132735U (en) * | 1979-03-07 | 1980-09-19 | ||
| JPS57180836U (en) * | 1981-05-07 | 1982-11-16 |
-
1983
- 1983-03-01 JP JP2960283U patent/JPS59135524U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55132735U (en) * | 1979-03-07 | 1980-09-19 | ||
| JPS57180836U (en) * | 1981-05-07 | 1982-11-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0450566Y2 (en) | 1992-11-30 |
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