JPH01130107U - - Google Patents

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Publication number
JPH01130107U
JPH01130107U JP2518488U JP2518488U JPH01130107U JP H01130107 U JPH01130107 U JP H01130107U JP 2518488 U JP2518488 U JP 2518488U JP 2518488 U JP2518488 U JP 2518488U JP H01130107 U JPH01130107 U JP H01130107U
Authority
JP
Japan
Prior art keywords
barrel
cam
movable
fixed
cylinder
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.)
Granted
Application number
JP2518488U
Other languages
English (en)
Other versions
JPH0723764Y2 (ja
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 JP1988025184U priority Critical patent/JPH0723764Y2/ja
Publication of JPH01130107U publication Critical patent/JPH01130107U/ja
Application granted granted Critical
Publication of JPH0723764Y2 publication Critical patent/JPH0723764Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】
図面は本考案の実施例を示し、第１図はズーム
レンズ鏡胴の断面図、第２図は第１図上のＡ―Ａ
線に沿つて同ズームレンズ鏡胴を切断した断面図
、第３図は同ズームレンズ鏡胴の分解斜視図、第
４図はカム筒の展開図、第５図は移動筒の後端面
に支持させたレンズ支持枠の止着構造を示す部分
的な断面図、第６図は移動筒の部分的な後面図、
第７図は広角位置から望遠位置に移行した状態を
示す上記ズームレンズ鏡胴の断面図である。 １１…固定筒、１１ａ，１１ｂ…案内溝、１１
ｃ，１１ｄ…切欠孔、１１ｇ…凹条溝、１２…移
動筒、１２ａ，１２ｂ…案内孔、１２ｅ…凸条部
、１２ｆ…ねじ孔、１３…移動枠、１３ａ，１３
ｂ…円曲面部、１３ｅ，１３ｆ…凹条溝、１４…
カム筒、１４ｇ…歯車部、１７ａ，１７ｂ…カム
フオロア、２６ａ，２６ｂ…カムフオロア、３１
，３２…一方側カム孔、３３，３４…他方側カム
孔。

Claims (1)

    【実用新案登録請求の範囲】
  1. カム筒のカム面に対接させたカムフオロアを備
    えた移動筒がカム筒の回動に連動されて固定筒に
    沿つて移動し、この移動筒に支持された光学系を
    位置変化させて光学的に変倍する構成のズームレ
    ンズ鏡胴において、固定筒の周囲に移動筒を、こ
    の移動筒の周囲にカム筒を各々重合すると共に、
    固定筒外面には光学系の光軸方向に沿つた凹条溝
    を、移動筒内面には上記凹条溝に摺動自在に嵌合
    する筒端間に延びる凸条部を各々設け、かつ、上
    記凸条部が位置する移動筒端面にレンズ支持枠を
    止着する構成としたことを特徴とするズームレン
    ズ鏡胴。
JP1988025184U 1988-02-29 1988-02-29 ズームレンズ鏡胴 Expired - Lifetime JPH0723764Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988025184U JPH0723764Y2 (ja) 1988-02-29 1988-02-29 ズームレンズ鏡胴

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988025184U JPH0723764Y2 (ja) 1988-02-29 1988-02-29 ズームレンズ鏡胴

Publications (2)

Publication Number Publication Date
JPH01130107U true JPH01130107U (ja) 1989-09-05
JPH0723764Y2 JPH0723764Y2 (ja) 1995-05-31

Family

ID=31245695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988025184U Expired - Lifetime JPH0723764Y2 (ja) 1988-02-29 1988-02-29 ズームレンズ鏡胴

Country Status (1)

Country Link
JP (1) JPH0723764Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5714113U (ja) * 1980-06-30 1982-01-25
JPS61179522U (ja) * 1985-04-30 1986-11-08

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5714113U (ja) * 1980-06-30 1982-01-25
JPS61179522U (ja) * 1985-04-30 1986-11-08

Also Published As

Publication number Publication date
JPH0723764Y2 (ja) 1995-05-31

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