JPS645218U - - Google Patents
Info
- Publication number
- JPS645218U JPS645218U JP9738787U JP9738787U JPS645218U JP S645218 U JPS645218 U JP S645218U JP 9738787 U JP9738787 U JP 9738787U JP 9738787 U JP9738787 U JP 9738787U JP S645218 U JPS645218 U JP S645218U
- Authority
- JP
- Japan
- Prior art keywords
- optical head
- disk
- fitting
- positioning
- hole portion
- 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 description 9
Landscapes
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図はこの考案の一実施例の要部断面側面図
、第２図は第１図の位置部側断面図、第３図は従
来の光デイスク装置の光ヘツド位置決め装置の平
面図、第４図は第３図のものの要部断面側面図で
ある。
１……デイスク、２……対物レンズ、４……筐
体、７……フレーム、９……締結部品、２１……
フランジ部、２１ａ……嵌合穴部、２１ｂ……ね
じ穴部、２２……取付部、２２ａ……位置決め用
穴、２３……位置決め用ねじ、２３ａ……嵌合部
、２３ｂ……ねじ部。なお、各図中、同一符号は
同一又は相当部分を示す。
FIG. 1 is a cross-sectional side view of a main part of an embodiment of this invention, FIG. 2 is a side cross-sectional view of the position shown in FIG. 1, and FIG. 3 is a plan view of a conventional optical head positioning device for an optical disk device. FIG. 4 is a sectional side view of the main part of the device shown in FIG. 3. DESCRIPTION OF SYMBOLS 1... Disc, 2... Objective lens, 4... Housing, 7... Frame, 9... Fastening parts, 21...
Flange part, 21a... Fitting hole part, 21b... Threaded hole part, 22... Mounting part, 22a... Positioning hole, 23... Positioning screw, 23a... Fitting part, 23b... Threaded part . In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
らの光を対物レンズで集光させる光ヘツドと、こ
の光ヘツドを前記デイスクの半径方向に平行移動
すべく前記光ヘツドの取付部が設けられているフ
レームと、同軸状のねじ穴部と嵌合穴部を少なく
とも１個所設けられている前記光ヘツドの筐体フ
ランジ部と、先端に嵌合部を有し前記フランジ部
のねじ穴部にねじ込むことにより前記取付部に設
けた有底の位置決め用穴に前記嵌合部が嵌合する
位置決め用ねじとを備えてなる光デイスク装置の
光ヘツド位置決め装置。 An optical head for condensing light from a light source with an objective lens onto a disk for optically recording and reproducing, and a mounting section for the optical head for moving the optical head in parallel in the radial direction of the disk. a frame of the optical head; a casing flange portion of the optical head having at least one coaxial threaded hole portion and a fitting hole portion; and a fitting portion at the tip thereof which is screwed into the screw hole portion of the flange portion. An optical head positioning device for an optical disk device, further comprising a positioning screw in which the fitting portion fits into a bottomed positioning hole provided in the mounting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9738787U JPS645218U (en) | 1987-06-26 | 1987-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9738787U JPS645218U (en) | 1987-06-26 | 1987-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS645218U true JPS645218U (en) | 1989-01-12 |
Family
ID=31322810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9738787U Pending JPS645218U (en) | 1987-06-26 | 1987-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645218U (en) |
-
1987
- 1987-06-26 JP JP9738787U patent/JPS645218U/ja active Pending
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