JPS6235414U - - Google Patents
Info
- Publication number
- JPS6235414U JPS6235414U JP12597685U JP12597685U JPS6235414U JP S6235414 U JPS6235414 U JP S6235414U JP 12597685 U JP12597685 U JP 12597685U JP 12597685 U JP12597685 U JP 12597685U JP S6235414 U JPS6235414 U JP S6235414U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- hole
- mirror
- mounting device
- optical
- 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 5
- 230000005484 gravity Effects 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図は本考案の第一実施例によるレンズ取付
装置の断面図、第２図は同分解斜視図、第３図は
本考案の第二実施例によるレンズ取付装置の要部
断面図、第４図は本考案の第三実施例によるレン
ズ取付装置の要部断面図、第５図は光ヘツドの原
理を示す模式図、第６図は従来のレンズ取付装置
の分解斜視図、第７図は同断面図である。
１……光源、２……レンズ（コリメータレンズ
）、２１……レンズホルダ、２１ｄ……保持筒、
２１ｆ……穴、２３……鏡銅、２３ａ……係合穴
、２４……係合部材。
FIG. 1 is a sectional view of a lens mounting device according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view of the same, and FIG. 3 is a sectional view of main parts of a lens mounting device according to a second embodiment of the present invention. Fig. 4 is a sectional view of the main parts of a lens mounting device according to a third embodiment of the present invention, Fig. 5 is a schematic diagram showing the principle of an optical head, Fig. 6 is an exploded perspective view of a conventional lens mounting device, and Fig. 7 is the same sectional view. 1... Light source, 2... Lens (collimator lens), 21... Lens holder, 21d... Holding cylinder,
21f...hole, 23...mirror copper, 23a...engaging hole, 24...engaging member.
Claims (1)
ンズと、このレンズを固設する鏡銅と、この鏡銅
を保持するレンズホルダとを有する光学式ピツク
アツプにおいて、前記鏡銅に少なくとも１つの係
合穴が設けられ、また前記レンズホルダの上記係
合穴に対応する部分に、上記係合穴に係入される
係合部材を遊挿する穴が穿設されていることを特
徴とする光学式ピツクアツプのレンズ取付装置。 (2) 係入穴がレンズを固定する鏡銅の重心に対
応する位置に設けられていることを特徴とする実
用新案登録請求の範囲第(1)項記載の光学式ピツ
クアツプのレンズ取付装置。[Claims for Utility Model Registration] (1) An optical system that includes a light source, a lens interposed on the optical axis of the light source, a mirror for fixing the lens, and a lens holder for holding the mirror. In the type pickup, at least one engagement hole is provided in the mirror, and a hole into which an engagement member to be engaged in the engagement hole is loosely inserted into a portion of the lens holder corresponding to the engagement hole. An optical pick-up lens mounting device characterized by having a hole therein. (2) The lens mounting device for an optical pickup according to claim 1, wherein the insertion hole is provided at a position corresponding to the center of gravity of the mirror metal to which the lens is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12597685U JPS6235414U (en) | 1985-08-16 | 1985-08-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12597685U JPS6235414U (en) | 1985-08-16 | 1985-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6235414U true JPS6235414U (en) | 1987-03-02 |
Family
ID=31019349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12597685U Pending JPS6235414U (en) | 1985-08-16 | 1985-08-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6235414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0251866U (en) * | 1988-10-07 | 1990-04-12 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6016323B2 (en) * | 1977-02-16 | 1985-04-25 | 東洋ゴム工業株式会社 | Foamed substance molding method and molding device |
-
1985
- 1985-08-16 JP JP12597685U patent/JPS6235414U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6016323B2 (en) * | 1977-02-16 | 1985-04-25 | 東洋ゴム工業株式会社 | Foamed substance molding method and molding device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0251866U (en) * | 1988-10-07 | 1990-04-12 |
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