JPS6242122U - - Google Patents
Info
- Publication number
- JPS6242122U JPS6242122U JP13251585U JP13251585U JPS6242122U JP S6242122 U JPS6242122 U JP S6242122U JP 13251585 U JP13251585 U JP 13251585U JP 13251585 U JP13251585 U JP 13251585U JP S6242122 U JPS6242122 U JP S6242122U
- Authority
- JP
- Japan
- Prior art keywords
- flange
- receiving
- lens
- vertical wall
- objective lens
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims 3
- 239000012790 adhesive layer Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Description
第１図はこの考案による対物レンズの固定構造
の一実施例を示す要部断面図、第２図はその平面
図、第３図はその分解斜視図、第４図は接着剤の
浸透が著しい場合を示す要部断面図である。
図中、１は対物レンズ、３は円筒部、４は鍔部
、５は下面部、８はゲート部、１０はホルダー、
１１は立壁部、１２は切欠部、１３は第１の受部
、１４は第２の受部、１５は面トリ部、２２は接
着剤である。
Fig. 1 is a sectional view of a main part showing an embodiment of the objective lens fixing structure according to this invention, Fig. 2 is a plan view thereof, Fig. 3 is an exploded perspective view thereof, and Fig. 4 shows significant penetration of adhesive. FIG. In the figure, 1 is an objective lens, 3 is a cylinder part, 4 is a flange part, 5 is a lower surface part, 8 is a gate part, 10 is a holder,
11 is a vertical wall portion, 12 is a cutout portion, 13 is a first receiving portion, 14 is a second receiving portion, 15 is a surface trimming portion, and 22 is an adhesive.
Claims (1)
のレンズ部の外周に光軸方向へ凸設された筒部、
この筒部の外周に半径方向へ略平板状に形成され
た鍔部を有する対物レンズと、上記鍔部外周面部
に対向して形成された立壁部、上記鍔部下面を受
ける第１の受部、上記鍔部下面側の上記筒部外周
面部を受ける第２の受部を有するレンズホルダー
とからなり、上記第１の受部と第２の受部の間の
コーナ部に面トリ部を形成し、上記立壁部の内壁
面と上記鍔部外周面部との間に接着剤層を形成し
たことを特徴とする光ピツクアツプ用対物レンズ
の固定構造。 (2) 鍔部は成型ゲート部を有し、立壁部は上記
ゲート部に対応して切欠部を有することを特徴と
する実用新案登録請求の範囲第(1)項記載の光ピ
ツクアツプ用対物レンズの固定構造。[Scope of Claim for Utility Model Registration] (1) A lens part integrally molded from synthetic resin, a cylindrical part protruding in the optical axis direction on the outer periphery of this lens part,
an objective lens having a flange formed in a substantially flat plate shape in the radial direction on the outer periphery of the cylindrical portion; a vertical wall portion formed to face the outer peripheral surface of the flange; and a first receiving portion for receiving the lower surface of the flange. , a lens holder having a second receiving part for receiving the outer circumferential surface part of the cylindrical part on the lower surface side of the flange, and a surface trim part is formed at the corner part between the first receiving part and the second receiving part. A fixing structure for an objective lens for optical pickup, characterized in that an adhesive layer is formed between the inner wall surface of the vertical wall portion and the outer circumferential surface portion of the flange portion. (2) The objective lens for optical pickup according to claim (1) of the utility model registration, characterized in that the flange has a molded gate part, and the vertical wall part has a notch corresponding to the gate part. fixed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985132515U JPH0614258Y2 (en) | 1985-08-30 | 1985-08-30 | Fixing structure of objective lens for optical pickup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985132515U JPH0614258Y2 (en) | 1985-08-30 | 1985-08-30 | Fixing structure of objective lens for optical pickup |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6242122U true JPS6242122U (en) | 1987-03-13 |
| JPH0614258Y2 JPH0614258Y2 (en) | 1994-04-13 |
Family
ID=31031973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985132515U Expired - Lifetime JPH0614258Y2 (en) | 1985-08-30 | 1985-08-30 | Fixing structure of objective lens for optical pickup |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614258Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6320114U (en) * | 1986-07-21 | 1988-02-09 | ||
| JPS6413019U (en) * | 1987-07-14 | 1989-01-24 | ||
| JPH08122603A (en) * | 1994-10-20 | 1996-05-17 | Fuji Photo Optical Co Ltd | Lens mount structure |
| JP2011258254A (en) * | 2010-06-07 | 2011-12-22 | Hoya Corp | Lens and pickup device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59135406A (en) * | 1983-01-24 | 1984-08-03 | Canon Inc | Lens holding device |
| JPS59156206U (en) * | 1983-04-06 | 1984-10-20 | オリンパス光学工業株式会社 | lens holding device |
-
1985
- 1985-08-30 JP JP1985132515U patent/JPH0614258Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59135406A (en) * | 1983-01-24 | 1984-08-03 | Canon Inc | Lens holding device |
| JPS59156206U (en) * | 1983-04-06 | 1984-10-20 | オリンパス光学工業株式会社 | lens holding device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6320114U (en) * | 1986-07-21 | 1988-02-09 | ||
| JPS6413019U (en) * | 1987-07-14 | 1989-01-24 | ||
| JPH08122603A (en) * | 1994-10-20 | 1996-05-17 | Fuji Photo Optical Co Ltd | Lens mount structure |
| JP2011258254A (en) * | 2010-06-07 | 2011-12-22 | Hoya Corp | Lens and pickup device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0614258Y2 (en) | 1994-04-13 |
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