JPS60184012U - lens unit - Google Patents

lens unit

Info

Publication number
JPS60184012U
JPS60184012U JP7014884U JP7014884U JPS60184012U JP S60184012 U JPS60184012 U JP S60184012U JP 7014884 U JP7014884 U JP 7014884U JP 7014884 U JP7014884 U JP 7014884U JP S60184012 U JPS60184012 U JP S60184012U
Authority
JP
Japan
Prior art keywords
lens
lens unit
lens barrel
barrel
molded
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
Application number
JP7014884U
Other languages
Japanese (ja)
Inventor
一郎 森下
Original Assignee
アルプス電気株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by アルプス電気株式会社 filed Critical アルプス電気株式会社
Priority to JP7014884U priority Critical patent/JPS60184012U/en
Publication of JPS60184012U publication Critical patent/JPS60184012U/en
Pending legal-status Critical Current

Links

Landscapes

  • Lens Barrels (AREA)
  • Optical Head (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図〜第４図は本考案によるレンズユニットを実施例
別に示す断面図、第５図は従来のレンズユニットの断面
図、第６図はレンズユニットを対物レンズとして使用し
ている光学式ピックアップの構成図である。 ２０・・・鏡筒、２１，２３・・・鏡筒と一体のレンズ
、ＩＬ　　１７，１８・・・鏡筒と別体のレンズ、２２
．２４．２５・・・スペーサ、２６・・・鏡筒と一体の
スペーサ。Figures 1 to 4 are cross-sectional views showing each example of the lens unit according to the present invention, Figure 5 is a cross-sectional view of a conventional lens unit, and Figure 6 is an optical pickup using the lens unit as an objective lens. FIG. 20... Lens barrel, 21, 23... Lens integrated with the lens barrel, IL 17, 18... Lens separate from the lens barrel, 22
．． 24.25...Spacer, 26...Spacer integrated with lens barrel.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）鏡筒内に複数枚のレンズが収納されているレンズ
ユニットにおいて、鏡筒がプラスチック材・　料によっ
て成形されており、且つ上記レンズの゛　うちの少なく
とも１枚が鏡筒と一体に成形されていることを特徴とす
るレンズユニット。(1) In a lens unit in which multiple lenses are housed in a lens barrel, the lens barrel is molded from a plastic material, and at least one of the lenses is molded integrally with the lens barrel. A lens unit characterized by: （２）鏡筒と別体の一レンズは、鏡筒と一体に成形され
たレンズの一面を基準として位置決めされている実用新
案登録請求の範囲第１項記載のレンズユニット。(2) The lens unit according to claim 1, wherein the lens separate from the lens barrel is positioned with reference to one surface of the lens that is integrally formed with the lens barrel.
JP7014884U 1984-05-14 1984-05-14 lens unit Pending JPS60184012U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7014884U JPS60184012U (en) 1984-05-14 1984-05-14 lens unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7014884U JPS60184012U (en) 1984-05-14 1984-05-14 lens unit

Publications (1)

Publication Number Publication Date
JPS60184012U true JPS60184012U (en) 1985-12-06

Family

ID=30606483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7014884U Pending JPS60184012U (en) 1984-05-14 1984-05-14 lens unit

Country Status (1)

Country Link
JP (1) JPS60184012U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236752A (en) * 1985-08-09 1987-02-17 Olympus Optical Co Ltd Optical head
JP2001174683A (en) * 1999-12-21 2001-06-29 Nitto Kogaku Kk Lens frame and lens assembling structure
JP2013228586A (en) * 2012-04-26 2013-11-07 Canon Inc Optical scanner, and image forming apparatus including the optical scanner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236752A (en) * 1985-08-09 1987-02-17 Olympus Optical Co Ltd Optical head
JP2001174683A (en) * 1999-12-21 2001-06-29 Nitto Kogaku Kk Lens frame and lens assembling structure
JP2013228586A (en) * 2012-04-26 2013-11-07 Canon Inc Optical scanner, and image forming apparatus including the optical scanner

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