JPS63135517U - - Google Patents
Info
- Publication number
- JPS63135517U JPS63135517U JP2417987U JP2417987U JPS63135517U JP S63135517 U JPS63135517 U JP S63135517U JP 2417987 U JP2417987 U JP 2417987U JP 2417987 U JP2417987 U JP 2417987U JP S63135517 U JPS63135517 U JP S63135517U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical holder
- guide hole
- housing
- optical
- fixing screw
- 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 6
Landscapes
- 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一部切欠き要部
斜視図、第２図は第１図のものの正断面図、第３
図は他の実施例の要部正断面図、第４図は従来の
光学式ヘツドの一部切欠き要部斜視図、第５図〜
第７図はそれぞれ第４図のものの作用を説明する
ための正断面図である。
１……筐体、２……案内孔、２ａ〜２ｅ……案
内孔の一部を形成する面、３……内筒状ホルダ、
４……固定ネジ。なお、各図中、同一符号は同一
または相当部分を示す。
Fig. 1 is a partially cutaway perspective view of an embodiment of this invention, Fig. 2 is a front sectional view of the one in Fig. 1, and Fig.
The figure is a front sectional view of the main part of another embodiment, Fig. 4 is a partially cutaway perspective view of the main part of a conventional optical head, and Figs.
FIG. 7 is a front sectional view for explaining the operation of the device shown in FIG. 4. 1... Housing, 2... Guide hole, 2a to 2e... Surface forming part of the guide hole, 3... Inner cylindrical holder,
4...Fixing screw. In each figure, the same reference numerals indicate the same or corresponding parts.
Claims (1)
系と、前記光学素子の少なくとも１つが固定され
た円筒状ホルダと、前記光学系および前記円筒状
ホルダを保持する筐体と、前記ホルダを前記筐体
に固定する固定ネジとを備えており、しかも、前
記円筒状ホルダは前記筐体に設けられた案内孔に
軸方向に移動自在に嵌合され、前記案内孔はその
断面形状の一部が略Ｖ字状および略台形状のいず
れかの面で形成されており、前記固定ネジは前記
面に対し前記円筒状ホルダの軸中心をはさんで略
対向する位置に、かつ、前記円筒状ホルダの軸中
心に略直角な方向に設けられている光学式ヘツド
。 an optical system including a plurality of optical elements including a light emitting element; a cylindrical holder to which at least one of the optical elements is fixed; a housing that holds the optical system and the cylindrical holder; and a fixing screw to be fixed to the body, and the cylindrical holder is fitted into a guide hole provided in the housing so as to be movable in the axial direction, and the guide hole has a part of its cross-sectional shape. It is formed with either a substantially V-shaped or substantially trapezoidal surface, and the fixing screw is located at a position substantially opposite to the surface across the axial center of the cylindrical holder, and An optical head that is installed approximately perpendicular to the axis of the head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2417987U JPS63135517U (en) | 1987-02-23 | 1987-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2417987U JPS63135517U (en) | 1987-02-23 | 1987-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63135517U true JPS63135517U (en) | 1988-09-06 |
Family
ID=30823177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2417987U Pending JPS63135517U (en) | 1987-02-23 | 1987-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63135517U (en) |
-
1987
- 1987-02-23 JP JP2417987U patent/JPS63135517U/ja active Pending