JPH0342109U - - Google Patents
Info
- Publication number
- JPH0342109U JPH0342109U JP10268689U JP10268689U JPH0342109U JP H0342109 U JPH0342109 U JP H0342109U JP 10268689 U JP10268689 U JP 10268689U JP 10268689 U JP10268689 U JP 10268689U JP H0342109 U JPH0342109 U JP H0342109U
- Authority
- JP
- Japan
- Prior art keywords
- moving mechanism
- lens moving
- cam cylinder
- cam
- gear portion
- 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
Links
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Description
第１図はこの考案の第１実施例におけるカム筒
本体とギア部、及び固定胴を示す斜視図、第２図
は第１実施例の変形例である第２実施例を示す斜
視図、第３図は第３実施例を示す斜視図、第４図
は撮影レンズ系とカム筒の関係を示す断面図、第
５図は従来装置におけるギア部とストツパ部を示
す斜視図である。
１……カム筒本体、１ａ，１ｂ……カム溝、２
，２′……ギア部、２ａ，２′ａ……Ｔ端、２ｂ
，２′ｂ……Ｗ端、２ｃ……突起、３，３′……
鍔部、３ａ……取付周、４……突起、７……ガイ
ド板、７ａ……円弧孔、１０……固定胴、１１…
…鍔収納部、Ｈ，Ｈ′……歯、Ｇ１，Ｇ２……移
動レンズ群、Ｌ１，Ｌ２……レンズ枠、Ｎ……ネ
ジ穴、Ｅ……円弧状部材、Ｒ……リング部材。
FIG. 1 is a perspective view showing the cam cylinder main body, gear part, and fixed barrel in the first embodiment of the invention, and FIG. 2 is a perspective view showing the second embodiment, which is a modification of the first embodiment. FIG. 3 is a perspective view showing the third embodiment, FIG. 4 is a sectional view showing the relationship between the photographing lens system and the cam barrel, and FIG. 5 is a perspective view showing the gear section and stopper section of the conventional device. 1...Cam cylinder body, 1a, 1b...Cam groove, 2
, 2'...gear part, 2a, 2'a...T end, 2b
, 2'b... W end, 2c... Protrusion, 3, 3'...
Flange, 3a... Mounting circumference, 4... Protrusion, 7... Guide plate, 7a... Arc hole, 10... Fixed barrel, 11...
...Brim storage part, H, H'... Teeth, G 1 , G 2 ... Moving lens group, L 1 , L 2 ... Lens frame, N... Screw hole, E... Arc-shaped member, R... ring member.
Claims (1)
ム溝を有するカム筒本体に、該カム筒本体を回転
させるギア部を備えてなるレンズ移動機構におい
て、前記ギア部を前記カム筒本体とは別部材で構
成したことを特徴とするレンズ移動機構。 (2) 前記ギア部が外周面に歯を有し、前記カム
筒本体に取り付け可能な円弧状部材であり、かつ
該円弧状部材の両端面が固定胴側突起と当接して
カム筒本体の回転角度範囲を規制するストツパ部
である実用新案登録請求の範囲第１項記載のレン
ズ移動機構。 (3) 前記ギア部が、その外周の所定領域に歯を
有するリング部材であり、かつ該リグ部材に設け
られた突起を嵌入させる円弧孔を備えた固定胴側
のガイド板により、カム筒本体の回転角度範囲を
規制するストツパ部を構成したことを特徴とする
実用新案登録請求の範囲第１項記載のレンズ移動
機構。[Claims for Utility Model Registration] (1) A lens moving mechanism comprising a cam cylinder body having a cam groove for guiding a predetermined lens group in the photographing optical axis direction, and a gear portion for rotating the cam cylinder body, A lens moving mechanism characterized in that a gear portion is constructed as a separate member from the cam cylinder body. (2) The gear portion has teeth on its outer peripheral surface and is an arc-shaped member that can be attached to the cam cylinder main body, and both end surfaces of the arc-shaped member abut against the fixed cylinder side protrusion to prevent the cam cylinder main body from moving. The lens moving mechanism according to claim 1, which is a stopper portion for regulating the rotation angle range. (3) The gear part is a ring member having teeth in a predetermined area on its outer periphery, and the guide plate on the fixed barrel side has an arcuate hole into which a protrusion provided on the rig member is inserted, and the cam barrel body 2. The lens moving mechanism according to claim 1, further comprising a stopper portion for regulating the rotation angle range of the lens moving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10268689U JPH0342109U (en) | 1989-09-01 | 1989-09-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10268689U JPH0342109U (en) | 1989-09-01 | 1989-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0342109U true JPH0342109U (en) | 1991-04-22 |
Family
ID=31651569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10268689U Pending JPH0342109U (en) | 1989-09-01 | 1989-09-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006178256A (en) * | 2004-12-24 | 2006-07-06 | Fujinon Corp | Lens device |
-
1989
- 1989-09-01 JP JP10268689U patent/JPH0342109U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006178256A (en) * | 2004-12-24 | 2006-07-06 | Fujinon Corp | Lens device |
| JP4557707B2 (en) * | 2004-12-24 | 2010-10-06 | 富士フイルム株式会社 | Lens device |
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