JPS62164307U - - Google Patents

Info

Publication number
JPS62164307U
JPS62164307U JP1986052946U JP5294686U JPS62164307U JP S62164307 U JPS62164307 U JP S62164307U JP 1986052946 U JP1986052946 U JP 1986052946U JP 5294686 U JP5294686 U JP 5294686U JP S62164307 U JPS62164307 U JP S62164307U
Authority
JP
Japan
Prior art keywords
cam
optical axis
guide rod
movable ring
ring
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
JP1986052946U
Other languages
English (en)
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 filed Critical
Priority to JP1986052946U priority Critical patent/JPS62164307U/ja
Priority to US07/029,894 priority patent/US4787720A/en
Publication of JPS62164307U publication Critical patent/JPS62164307U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)

Description

【図面の簡単な説明】
第１図は本考案の縦断面図、第２図は第１図の
Ａ―Ａ断面図、第３図は第１図のＢ―Ｂ断面図、
第４図はカム筒の展開図、第５図は従来の構造の
縦断面図、第６図は第５図のＣ―Ｃ断面図である
。 ２は固定筒、３はカム筒、４はガイド用丸棒、
５は変倍系用移動環、６，７は回転止め用丸棒、
８は補正系用移動環、１０はズーム操作リング、
１０２は固定筒、１０３はカム筒、１０４はガイ
ド用丸棒、１０５は変倍系用移動環、１０６，１
０７は回転止め用丸棒、１０８は補正系用移動環
、１１０はズーム操作リング。

Claims (1)

    【実用新案登録請求の範囲】
  1. 移動環を固定部に保持したガイドロツドで垂下
    し、カムを設けたカム環で移動制御するレンズ構
    体においてカム環と移動環相互に光軸まわり略１
    ８０°対向位置に２組のカム及びカムフオロワー
    を設け、前記カムフオロワーを設けた移動環のガ
    イドロツドとの嵌合部と保持部の光軸移動方向長
    さをｌ＜＜Ｌとし、前記係合部の光軸ラジアル方
    向はガイドロツドとの係合を避けるように構成し
    たことを特徴とするレンズ鏡筒。
JP1986052946U 1986-04-08 1986-04-08 Pending JPS62164307U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1986052946U JPS62164307U (ja) 1986-04-08 1986-04-08
US07/029,894 US4787720A (en) 1986-04-08 1987-03-25 Lens mounting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986052946U JPS62164307U (ja) 1986-04-08 1986-04-08

Publications (1)

Publication Number Publication Date
JPS62164307U true JPS62164307U (ja) 1987-10-19

Family

ID=12929038

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986052946U Pending JPS62164307U (ja) 1986-04-08 1986-04-08

Country Status (2)

Country Link
US (1) US4787720A (ja)
JP (1) JPS62164307U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013120357A (ja) * 2011-12-08 2013-06-17 Canon Inc 交換レンズ

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5818647A (en) * 1993-12-21 1998-10-06 Olympus Optical Co., Ltd. Lens barrel
JPH09197237A (ja) * 1996-01-24 1997-07-31 Olympus Optical Co Ltd カメラの撮影レンズ
US6243208B1 (en) 1996-08-22 2001-06-05 Canon Kabushiki Kaisha Optical element, optical system using optical element, and optical device with optical element

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3951522A (en) * 1972-05-15 1976-04-20 Canon Kabushiki Kaisha Lens structure having a movable portion
US4534624A (en) * 1981-07-14 1985-08-13 Canon Kabushiki Kaisha Construction of lens barrel operated by electromagnetic induction
JPS59136707A (ja) * 1983-01-26 1984-08-06 Canon Inc ズ−ムレンズ鏡筒

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013120357A (ja) * 2011-12-08 2013-06-17 Canon Inc 交換レンズ

Also Published As

Publication number Publication date
US4787720A (en) 1988-11-29

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