JPS623625U - - Google Patents
Info
- Publication number
- JPS623625U JPS623625U JP9252985U JP9252985U JPS623625U JP S623625 U JPS623625 U JP S623625U JP 9252985 U JP9252985 U JP 9252985U JP 9252985 U JP9252985 U JP 9252985U JP S623625 U JPS623625 U JP S623625U
- Authority
- JP
- Japan
- Prior art keywords
- support shaft
- actuator
- hole
- space
- cap part
- 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
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Description
第１図は本考案になる光学的ヘツドのアクチユ
エータの第一実施例を設けてなる光学的ヘツドの
部分切截断面図、第２図は本考案になる光学的ヘ
ツドのアクチユエータの第二実施例を設けてなる
光学的ヘツドの部分切截断面図である。
１……光学的ヘツド、２……アクチユエータ、
２ａ……アクチユエータ固定部、３……支軸、４
……可動部、７……通孔、８……軸孔、１０……
対物レンズ、１２……キヤツプ部、１６……空気
溜め。
FIG. 1 is a partially cutaway sectional view of an optical head provided with a first embodiment of an optical head actuator according to the present invention, and FIG. 2 is a second embodiment of an optical head actuator according to the present invention. FIG. 2 is a partially cutaway sectional view of an optical head provided with a. 1... Optical head, 2... Actuator,
2a... Actuator fixing part, 3... Support shaft, 4
...Movable part, 7...Through hole, 8...Shaft hole, 10...
Objective lens, 12...cap section, 16...air reservoir.
Claims (1)
、該支軸を軸孔に挿通し該支軸に摺動披在かつ回
動自在に軸承されると共に該軸孔の該支軸の挿入
方向端部に該軸孔を覆うキヤツプ部を設けてなる
可動部とを有してなる光学的ヘツドのアクチユエ
ータにおいて、該支軸に軸心方向に沿つて通孔を
形成し該キヤツプ部内において該キヤツプ部と該
支軸間に形成される空間と外部の空間とを該通孔
にて連通してなる構成の光学的ヘツドのアクチユ
エータ。 (2) 該通孔により該キヤツプ部と該支軸間に形
成される空間と連通される空間は、該支軸と接続
された空気溜めが形成する該キヤツプ部と該支軸
間に形成される空間に対し十分大なる容積を有す
る空間である実用新案登録請求の範囲第１項記載
の光学的ヘツドのアクチユエータ。[Claims for Utility Model Registration] (1) A support shaft provided upright on the actuator fixing part, and the support shaft inserted into the shaft hole and slidably and rotatably supported on the support shaft, and In an actuator for an optical head, the movable part is provided with a cap part covering the shaft hole at the end of the shaft hole in the insertion direction of the support shaft, and the movable part is provided with a cap part that covers the shaft hole at the end of the shaft hole in the insertion direction of the support shaft. An actuator for an optical head having a structure in which a space formed between the cap part and the support shaft within the cap part communicates with an external space through the through hole. (2) The space communicated with the space formed between the cap part and the support shaft by the through hole is the space formed between the cap part and the support shaft formed by the air reservoir connected to the support shaft. An actuator for an optical head according to claim 1, wherein the actuator is a space having a sufficiently large volume compared to the space of the optical head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9252985U JPS623625U (en) | 1985-06-19 | 1985-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9252985U JPS623625U (en) | 1985-06-19 | 1985-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS623625U true JPS623625U (en) | 1987-01-10 |
Family
ID=30649405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9252985U Pending JPS623625U (en) | 1985-06-19 | 1985-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS623625U (en) |
-
1985
- 1985-06-19 JP JP9252985U patent/JPS623625U/ja active Pending