JPH0227105U - - Google Patents

Info

Publication number
JPH0227105U
JPH0227105U JP10392788U JP10392788U JPH0227105U JP H0227105 U JPH0227105 U JP H0227105U JP 10392788 U JP10392788 U JP 10392788U JP 10392788 U JP10392788 U JP 10392788U JP H0227105 U JPH0227105 U JP H0227105U
Authority
JP
Japan
Prior art keywords
lens
cam
optical axis
cam surface
end surface
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
JP10392788U
Other languages
Japanese (ja)
Other versions
JPH0743690Y2 (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 JP1988103927U priority Critical patent/JPH0743690Y2/en
Publication of JPH0227105U publication Critical patent/JPH0227105U/ja
Application granted granted Critical
Publication of JPH0743690Y2 publication Critical patent/JPH0743690Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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  • Lens Barrels (AREA)

Description

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

第１図は、第２図に示したＡＦズームカメラの
要部断面図、第２図は、本考案のレンズ駆動機構
を適用したＡＦズームカメラの一実施例の分解斜
視図、第３図は、上記第１図中の―線に沿つ
た断面図である。 ２５…フオーカスレンズのレンズ枠、２６…カ
ムフオロワピン、２７…フオーカシングカム部材
（可動メンバー）、２７ａ…カム面、２８…フオ
ーカシングばね（付勢手段）。 FIG. 1 is a sectional view of the main parts of the AF zoom camera shown in FIG. 2, FIG. 2 is an exploded perspective view of an embodiment of the AF zoom camera to which the lens drive mechanism of the present invention is applied, and FIG. , is a sectional view taken along the line - in FIG. 1 above. 25... Lens frame of focus lens, 26... Cam follower pin, 27... Focusing cam member (movable member), 27a... Cam surface, 28... Focusing spring (biasing means).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] レンズの光軸と同軸的にこのレンズのレンズ枠
外周位置にあつて自己の周方向に変位されるよう
に配された可動メンバーの前端面または後端面を
カム面とするカムに対し、上記レンズ枠から上記
光軸に実質的に平行に突設されその先端が上記カ
ム面に当接するようカムフオロワを設けてなるカ
ム機構により上記レンズを光軸方向に移動させる
ようにし、かつ上記カムフオロワとカム面との当
接位置を通つて上記光軸に平行な直線に実質的に
沿う方向に上記カムフオロワとカム面とを当て付
ける向きの付勢力を与える付勢手段を設けたこと
を特徴とするレンズ駆動機構。 For a cam whose cam surface is the front end surface or rear end surface of a movable member disposed coaxially with the optical axis of the lens at the outer peripheral position of the lens frame of this lens so as to be displaced in the circumferential direction of the lens, the above-mentioned lens The lens is moved in the direction of the optical axis by a cam mechanism including a cam follower that protrudes from the frame substantially parallel to the optical axis and has its tip abutted against the cam surface, and the cam mechanism is configured to move the lens in the optical axis direction, A lens drive characterized in that a biasing means is provided for applying a biasing force in a direction that causes the cam follower and the cam surface to abut in a direction substantially along a straight line parallel to the optical axis through a contact position with the cam surface. mechanism.
JP1988103927U 1988-08-05 1988-08-05 Lens drive mechanism Expired - Lifetime JPH0743690Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988103927U JPH0743690Y2 (en) 1988-08-05 1988-08-05 Lens drive mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988103927U JPH0743690Y2 (en) 1988-08-05 1988-08-05 Lens drive mechanism

Publications (2)

Publication Number Publication Date
JPH0227105U true JPH0227105U (en) 1990-02-22
JPH0743690Y2 JPH0743690Y2 (en) 1995-10-09

Family

ID=31335192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988103927U Expired - Lifetime JPH0743690Y2 (en) 1988-08-05 1988-08-05 Lens drive mechanism

Country Status (1)

Country Link
JP (1) JPH0743690Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04118611A (en) * 1990-02-26 1992-04-20 Fuji Photo Film Co Ltd Zoom lens

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6098805U (en) * 1984-09-27 1985-07-05 キヤノン株式会社 Zoom lens cam mechanism
JPS63180923A (en) * 1987-01-12 1988-07-26 イーストマン・コダック・カンパニー Zoom lens assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6098805U (en) * 1984-09-27 1985-07-05 キヤノン株式会社 Zoom lens cam mechanism
JPS63180923A (en) * 1987-01-12 1988-07-26 イーストマン・コダック・カンパニー Zoom lens assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04118611A (en) * 1990-02-26 1992-04-20 Fuji Photo Film Co Ltd Zoom lens

Also Published As

Publication number Publication date
JPH0743690Y2 (en) 1995-10-09

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