JPS6277419U - - Google Patents
Info
- Publication number
- JPS6277419U JPS6277419U JP16795185U JP16795185U JPS6277419U JP S6277419 U JPS6277419 U JP S6277419U JP 16795185 U JP16795185 U JP 16795185U JP 16795185 U JP16795185 U JP 16795185U JP S6277419 U JPS6277419 U JP S6277419U
- Authority
- JP
- Japan
- Prior art keywords
- adhesive part
- lens body
- objective lens
- cylindrical holder
- holding 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
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図はこの考案の一実施例による光ピツクア
ツプの対物レンズ保持装置を示す断面構成図、第
２図は接着部の応力分布を示す曲線図、第３図は
この考案の他の実施例による光アツクアツプの対
物レンズ保持装置を示す断面構成図、並びに第４
図ないし第６図はいずれも、従来の光ピツクアツ
プの対物レンズ保持装置を示す断面構成図である
。
１は対物レンズ、２は鏡筒、３は鍔、４はホル
ダー、５は接着部、１１ａ，１１ｂは凹部、１２
は溝。なお、図中、同一符号は同一、又は相当部
分を示す。
Fig. 1 is a cross-sectional configuration diagram showing an objective lens holding device of an optical pickup according to one embodiment of this invention, Fig. 2 is a curve diagram showing the stress distribution of the bonded part, and Fig. 3 is according to another embodiment of this invention. A cross-sectional configuration diagram showing the objective lens holding device of the optical pickup, and a fourth
Each of the figures through FIG. 6 is a sectional view showing a conventional objective lens holding device for an optical pickup. 1 is an objective lens, 2 is a lens barrel, 3 is a collar, 4 is a holder, 5 is an adhesive part, 11a, 11b are concave parts, 12
is a groove. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
鍔を有するレンズ体の周囲を筒状保持体に接着保
持するものにおいて、接着部の一端部からはじま
り、上記接着部より遠ざかる方向にのび、上記筒
状保持体の内側面及び上記レンズ体の外側面の少
なくとも一方の周面にわたる凹部を設けると共に
、上記接着部の一端部と他端部の中央より上記他
端部側で上記レンズ体の外側面及び上記筒状保持
体の内側面の少なくとも一方に円周状に溝を設け
た光ピツクアツプの対物レンズ保持装置。 (2) レンズ体の端部が接着部端より突出してい
る実用新案登録請求の範囲第１項記載の光ピツク
アツプの対物レンズ保持装置。[Scope of claims for utility model registration] (1) The objective lens of the optical pickup is fixed,
In a device that adheres and holds the periphery of a lens body having a flange to a cylindrical holder, the adhesive part starts from one end and extends in a direction away from the adhesive part, and extends from the inner surface of the cylindrical holder and the outside of the lens body. A recess extending over at least one circumferential surface of the side surface is provided, and at least one of the outer surface of the lens body and the inner surface of the cylindrical holder is provided on the other end side from the center of the one end and the other end of the adhesive part. An objective lens holding device for optical pickups with a circumferential groove. (2) The objective lens holding device for an optical pickup according to claim 1, wherein the end of the lens body protrudes from the end of the adhesive part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16795185U JPS6277419U (en) | 1985-10-31 | 1985-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16795185U JPS6277419U (en) | 1985-10-31 | 1985-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6277419U true JPS6277419U (en) | 1987-05-18 |
Family
ID=31100368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16795185U Pending JPS6277419U (en) | 1985-10-31 | 1985-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6277419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1082934A (en) * | 1996-09-06 | 1998-03-31 | Omron Corp | Optical module and its manufacture, laser radar device, vehicle, photoelectric sensor, optical sensor device and code information processor using the optical module |
-
1985
- 1985-10-31 JP JP16795185U patent/JPS6277419U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1082934A (en) * | 1996-09-06 | 1998-03-31 | Omron Corp | Optical module and its manufacture, laser radar device, vehicle, photoelectric sensor, optical sensor device and code information processor using the optical module |
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