JPS58185808U - Holding structure for moving lens barrel - Google Patents
Holding structure for moving lens barrelInfo
- Publication number
- JPS58185808U JPS58185808U JP8299482U JP8299482U JPS58185808U JP S58185808 U JPS58185808 U JP S58185808U JP 8299482 U JP8299482 U JP 8299482U JP 8299482 U JP8299482 U JP 8299482U JP S58185808 U JPS58185808 U JP S58185808U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- holding structure
- movable lens
- moving lens
- 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
Links
Landscapes
- Lens Barrels (AREA)
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
第１図ないし第４図は従来例のズームレンズ鏡胴を示し
、第１図はその先軸上での断面図、第２図は同じくその
移動レンズ鏡胴と結合する移動環と直進キーとの分解斜
視図、第３図および第４図はその組立て状態を説明する
正面図、第５図および第６図はズームレンズ鏡胴におけ
る本考案の一実施例を示し、第５図はその光軸上での断
面図、第６図は同じくその移動レンズ鏡胴と結合する移
動環と直進キーとの分解斜視図、第７図ａ、 ｂ。
Ｃは移動環と直進キーとの保持構造の別の実施例を示す
斜視図、第８図は移動環に２個の直進キーを用いた他の
実施例における組立状態を示す正面図である。
ＬＩ、 ＬＩＥ・・・移動レンズ群、１・・・固定案内
筒、２・・・カム筒、３・・・ズームリング、７・・・
移動レンズ群ＬＩの鏡胴１．１０・・・距離環、２１．
３１・・・移動環、２１Ｃ・・・リング状突部、２１′
・・・円弧状溝部、２１″・・・円弧状突部、２１１１
１・・・凹部、２２．３２・・・直進キー、２２Ｃ・・
・円弧状凹部、２２′・・・円弧状突出部、２２″・・
・円弧状長穴、２３・・・移動レンズ群ＬＩＩの鏡胴、
２３ａ・・・リング状突部、２４・・・直進キー、２４
ａ・・・円弧状凹部。
第２図
Ｂ
【
第７図
Ｘ （六又ツノ
！ ！Ｕ！
１− −
第５図 ２１ｃ
１篇
第６図 。
−７
第８図
３３ａ ７ −Figures 1 to 4 show a conventional zoom lens barrel, with Figure 1 being a cross-sectional view on its tip axis, and Figure 2 showing the movable ring and linear key connected to the movable lens barrel. FIGS. 3 and 4 are front views illustrating the assembled state, FIGS. 5 and 6 show an embodiment of the present invention in a zoom lens barrel, and FIG. FIG. 6 is an on-axis sectional view, and FIG. 6 is an exploded perspective view of the movable ring and linear key connected to the movable lens barrel, and FIGS. 7a and 7b. C is a perspective view showing another embodiment of the holding structure for the movable ring and the linear key, and FIG. 8 is a front view showing the assembled state of another embodiment in which the movable ring uses two linear keys. LI, LIE...Moving lens group, 1...Fixed guide tube, 2...Cam tube, 3...Zoom ring, 7...
Lens barrel of moving lens group LI 1.10... Distance ring, 21.
31... Moving ring, 21C... Ring-shaped protrusion, 21'
...Circular groove, 21"...Circular protrusion, 2111
1... recess, 22.32... straight key, 22C...
・Circular recess, 22'...Circular protrusion, 22''...
・Circular long hole, 23... Lens barrel of moving lens group LII,
23a...Ring-shaped protrusion, 24...Go straight key, 24
a... Arc-shaped recess. Fig. 2B [ Fig. 7
Claims (1)
胴において、固定案内筒に設けた光軸方向の縦溝に嵌入
する移動レンズ鏡胴の直進キーに、該移動レンズ鏡胴に
対する径方向の位置規制部を設けていることを特徴とす
る移動レンズ鏡胴の保持構造。In a lens barrel having a movable lens group that moves straight in the optical axis direction, a straight key of the movable lens barrel that fits into a vertical groove in the optical axis direction provided in a fixed guide tube is provided with a radial direction relative to the movable lens barrel. A holding structure for a movable lens barrel, characterized in that it is provided with a position regulating section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8299482U JPS58185808U (en) | 1982-06-05 | 1982-06-05 | Holding structure for moving lens barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8299482U JPS58185808U (en) | 1982-06-05 | 1982-06-05 | Holding structure for moving lens barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58185808U true JPS58185808U (en) | 1983-12-10 |
Family
ID=30092022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8299482U Pending JPS58185808U (en) | 1982-06-05 | 1982-06-05 | Holding structure for moving lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58185808U (en) |
-
1982
- 1982-06-05 JP JP8299482U patent/JPS58185808U/en active Pending
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