JPH0366031U - - Google Patents
Info
- Publication number
- JPH0366031U JPH0366031U JP12446389U JP12446389U JPH0366031U JP H0366031 U JPH0366031 U JP H0366031U JP 12446389 U JP12446389 U JP 12446389U JP 12446389 U JP12446389 U JP 12446389U JP H0366031 U JPH0366031 U JP H0366031U
- Authority
- JP
- Japan
- Prior art keywords
- lens holder
- elastic member
- axis direction
- protrusion
- optical axis
- 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 7
- 238000012937 correction Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の一実施例に係る光ピツクアツ
プのレンズホルダ支持装置を示す平面図、第２図
は第１図の支持部を示す部分分解斜視図、第３図
は本考案の他の実施例を示す支持部の部分分解斜
視図、第４図は第３図の実施例における一部断面
図、第５図は従来の光ピツクアツプのレンズホル
ダ支持装置を示す平面図である。
１…レンズホルダ、２…対物レンズ、３…弾性
支持部材、３ｃ…挿入穴、１１，１４…ダンパ、
１２ａ…折曲げ部、１３…固定軸。
FIG. 1 is a plan view showing a lens holder support device for an optical pickup according to an embodiment of the present invention, FIG. 2 is a partially exploded perspective view showing the support part of FIG. 1, and FIG. FIG. 4 is a partial cross-sectional view of the embodiment shown in FIG. 3, and FIG. 5 is a plan view showing a conventional lens holder support device for an optical pickup. DESCRIPTION OF SYMBOLS 1... Lens holder, 2... Objective lens, 3... Elastic support member, 3c... Insertion hole, 11, 14... Damper,
12a...Bending portion, 13...Fixed shaft.
Claims (1)
対物レンズの光軸方向ならびに光軸方向と交叉す
る方向へ補正動作自在に支持されており、レンズ
ホルダを上記補正動作自在に支持している支持機
構のうちの取付け部とシヤーシとの間では、シヤ
ーシ側に突部が設けられ且つこの突部が弾性部材
に囲まれており、前記取付け部はこの弾性部材の
外周に装着されていることを特徴とする光ピツク
アツプのレンズホルダ支持装置。 ２ シヤーシに設けられた突部は、対物レンズの
光軸方向と平行に設けられた断面が円形の軸であ
り且つ、弾性部材はこの軸の外周に装着される円
筒形である請求項１記載の光ピツクアツプのレン
ズホルダ支持装置。[Scope of claims for utility model registration] 1. The lens holder holding the objective lens is
Between the chassis and the mounting part of the support mechanism that supports the lens holder so as to be able to make corrections in the optical axis direction of the objective lens and in the direction crossing the optical axis direction, 1. A lens holder support device for an optical pickup, characterized in that a protrusion is provided on the chassis side, the protrusion is surrounded by an elastic member, and the mounting portion is attached to the outer periphery of the elastic member. 2. According to claim 1, the protrusion provided on the chassis is a shaft with a circular cross section and provided parallel to the optical axis direction of the objective lens, and the elastic member is cylindrical and attached to the outer periphery of this shaft. Optical pick-up lens holder support device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12446389U JPH0366031U (en) | 1989-10-23 | 1989-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12446389U JPH0366031U (en) | 1989-10-23 | 1989-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0366031U true JPH0366031U (en) | 1991-06-27 |
Family
ID=31672380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12446389U Pending JPH0366031U (en) | 1989-10-23 | 1989-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0366031U (en) |
-
1989
- 1989-10-23 JP JP12446389U patent/JPH0366031U/ja active Pending