JPS60140046U

JPS60140046U - Lens moving device with focal position correction mechanism

Info

Publication number: JPS60140046U
Application number: JP479685U
Authority: JP
Inventors: 矢島　敏行
Original assignee: 富士写真光機株式会社
Priority date: 1985-01-17
Filing date: 1985-01-17
Publication date: 1985-09-17

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図は、本考案によるレンズ移動装置の一実施例を示
す斜視図及び、第２図はその要部断面図である。１０・・・レンズ担持体、２０・・・カム筒、３０・・
・基盤、６０・・・カム部材、６１・・・直線長溝孔、
６２゜６３・・・長孔、８１，８２・・・ネジ。FIG. 1 is a perspective view showing an embodiment of a lens moving device according to the present invention, and FIG. 2 is a sectional view of a main part thereof. 10... Lens carrier, 20... Cam tube, 30...
・Base, 60... Cam member, 61... Straight long slot,
62゜63...long hole, 81,82...screw.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

レンズ群を案内する案内に沿って進退移動力惧、　　　
なわれるレンズ群を担持するレンズ担持体と、レンズ群
の一部のレンズ間隔を変位すべくレンズ担持体の外周に
装着されたカム筒と、光軸と平行な軸線を含む平面内に
配されこの軸線と交叉するカム部を有するカム部材と、
一端がこのカム部材に係合され他端が前記カム筒に付設
され前記レンズ担持体の進退移動時た前記軸線と前記カ
ム部との交叉によって前記カム筒を回動せしめる連動部
材、　　とを備えるレンズ移動装置において、゛前記カ
ム部材をそのカム部に対して両端の位置で支持する支持
部材と、このカム部材両端と支持部材とを前記カム部が
前記軸線と交叉する角度を変位しうるように取付は部を
設けた三とを特徴とする焦点位置補正機構を有するレン
ズ移動装置。Moving forward and backward along the guide that guides the lens group,
A lens carrier that carries a lens group to be formed, a cam cylinder attached to the outer periphery of the lens carrier to displace the distance between some lenses of the lens group, and a cam cylinder arranged in a plane containing an axis parallel to the optical axis. a cam member having a cam portion that intersects this axis;
an interlocking member having one end engaged with the cam member and the other end attached to the cam barrel, the interlocking member rotating the cam barrel by the intersection of the axis and the cam portion when the lens carrier moves forward and backward; In the lens moving device, there is provided a support member that supports the cam member at both ends relative to the cam portion, and a support member that supports the cam member at both ends and the support member so that the cam portion can displace the angle at which the cam portion intersects the axis. A lens moving device having a focal position correction mechanism, the lens moving device having a focal position correction mechanism.