JPH0283513U - - Google Patents
Info
- Publication number
- JPH0283513U JPH0283513U JP16198888U JP16198888U JPH0283513U JP H0283513 U JPH0283513 U JP H0283513U JP 16198888 U JP16198888 U JP 16198888U JP 16198888 U JP16198888 U JP 16198888U JP H0283513 U JPH0283513 U JP H0283513U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- fixing structure
- buffer member
- buffer
- thin metal
- 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
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 2
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案に係る組レンズ系のレンズ固定
構造を適用した光デイスク読取りヘツドの対物レ
ンズの断面図、第２図Ａは緩衝部材の拡大断面図
、Ｂは使用状態に於る緩衝部材の拡大断面図、第
３図は緩衝部材の他の実施例の拡大断面図、第４
図は従来例である光デイスク読取りヘツドの対物
レンズの断面図である。
１……第一レンズ、２……第二レンズ、３……
第三レンズ、４……押え環（固定部材）、６……
緩衝部材、６１……側板（金属薄板）、６２……
緩衝材、１１……胴付き部（当接固定部）。
Fig. 1 is a sectional view of an objective lens of an optical disk reading head to which the lens fixing structure of the assembled lens system according to the present invention is applied, Fig. 2 A is an enlarged sectional view of the buffer member, and B is the buffer member in use. FIG. 3 is an enlarged sectional view of another embodiment of the buffer member, and FIG.
The figure is a sectional view of an objective lens of a conventional optical disk reading head. 1...First lens, 2...Second lens, 3...
Third lens, 4... Presser ring (fixing member), 6...
Buffer member, 61...Side plate (thin metal plate), 62...
Cushioning material, 11... Trunked part (abutment fixing part).
Claims (1)
ンズ系に於て、レンズと当該レンズを押圧固定す
る固定部材との間に緩衝部材を介挿したこと、を
特徴とする組レンズ系のレンズ固定構造。 (2) 上記緩衝部材が、金属薄板と緩衝材とを重
合して構成されていること、を特徴とする請求項
(1)記載の組レンズ系のレンズ固定構造。 (3) 上記緩衝部材が、金属薄板間に緩衝材を介
挿して構成されていること、を特徴とする請求項
(1)記載の組レンズ系のレンズ固定構造。[Scope of Claim for Utility Model Registration] (1) In an assembled lens system composed of a plurality of lenses combined, a buffer member is inserted between the lens and a fixing member that presses and fixes the lens; A lens fixing structure for a grouped lens system featuring: (2) A claim characterized in that the buffer member is constructed by polymerizing a thin metal plate and a buffer material.
(1) Lens fixing structure of the lens assembly system described above. (3) A claim characterized in that the buffer member is constructed by inserting a buffer material between thin metal plates.
(1) Lens fixing structure of the lens assembly system described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16198888U JPH0283513U (en) | 1988-12-14 | 1988-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16198888U JPH0283513U (en) | 1988-12-14 | 1988-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0283513U true JPH0283513U (en) | 1990-06-28 |
Family
ID=31699584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16198888U Pending JPH0283513U (en) | 1988-12-14 | 1988-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0283513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020170619A1 (en) * | 2019-02-22 | 2020-08-27 | ソニー株式会社 | Lens barrel and imaging device |
-
1988
- 1988-12-14 JP JP16198888U patent/JPH0283513U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020170619A1 (en) * | 2019-02-22 | 2020-08-27 | ソニー株式会社 | Lens barrel and imaging device |
| JPWO2020170619A1 (en) * | 2019-02-22 | 2021-12-23 | ソニーグループ株式会社 | Lens barrel and image pickup device |
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