JPH0289620U - - Google Patents
Info
- Publication number
- JPH0289620U JPH0289620U JP16820388U JP16820388U JPH0289620U JP H0289620 U JPH0289620 U JP H0289620U JP 16820388 U JP16820388 U JP 16820388U JP 16820388 U JP16820388 U JP 16820388U JP H0289620 U JPH0289620 U JP H0289620U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- holding
- holding member
- neutral
- drive device
- 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
- 230000007935 neutral effect Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図ａは本考案の一実施例にかかる対物レン
ズ駆動装置を示す概略平面図、同図ｂは同図ａの
Ａ―Ａ′矢視断面図、同図ｃは同図ａのＢ―Ｂ′
矢視断面図、第２図は対物レンズホルダに作用す
る回動力と復帰力を説明するための概略図、第３
図ａは本考案の他の実施例にかかる対物レンズ駆
動装置の中立保持部材を示す部分斜視図、同図ｂ
は本考案のさらに他の実施例にかかる対物レンズ
駆動装置の中立保持部材を示す部分斜視図、同図
ｃは本考案の別な実施例にかかる対物レンズ駆動
装置の中立保持部材を示す部分斜視図である。
１…対物レンズホルダ、１ｂ，１ｃ，２１，２
２…保持部材、３…軸、３ａ…縁部、３ｂ…平面
、３ｃ…スリワリ、５…Ｅリング、６…スプリン
グワツシヤ、７，７′…板バネ、８，９…回転ス
トツパ、２３，２４，２６，２７…弾性部材、２
５…支持部材。
FIG. 1a is a schematic plan view showing an objective lens driving device according to an embodiment of the present invention, FIG. 1b is a sectional view taken along the line A-A' in FIG. B'
Fig. 2 is a schematic diagram for explaining the rotational force and return force acting on the objective lens holder;
Figure a is a partial perspective view showing a neutral holding member of an objective lens drive device according to another embodiment of the present invention, Figure b
1 is a partial perspective view showing a neutral holding member of an objective lens driving device according to yet another embodiment of the present invention, and FIG. It is a diagram. 1...Objective lens holder, 1b, 1c, 21, 2
2... Holding member, 3... Shaft, 3a... Edge, 3b... Plane, 3c... Slit, 5... E ring, 6... Spring washer, 7, 7'... Leaf spring, 8, 9... Rotation stopper, 23, 24, 26, 27...Elastic member, 2
5...Supporting member.
Claims (1)
保持部材をトラツキング方向には回動し光軸方向
には支持部材に摺動させた状態で移動する対物レ
ンズ駆動装置において、上記支持部材に摺動して
上記対物レンズの中立位置を保持するための中立
保持摺動部材は上記保持部材に取り付けられてい
ることを特徴とする光ピツクアツプ装置。 In an objective lens drive device that rotates a holding member that holds an objective lens that focuses a laser beam in a tracking direction and slides on a support member in an optical axis direction, An optical pickup device characterized in that a neutral holding sliding member for holding the objective lens in a neutral position is attached to the holding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16820388U JPH0289620U (en) | 1988-12-28 | 1988-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16820388U JPH0289620U (en) | 1988-12-28 | 1988-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0289620U true JPH0289620U (en) | 1990-07-16 |
Family
ID=31457175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16820388U Pending JPH0289620U (en) | 1988-12-28 | 1988-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0289620U (en) |
-
1988
- 1988-12-28 JP JP16820388U patent/JPH0289620U/ja active Pending