JPS59123808U - zoom lens barrel - Google Patents
zoom lens barrelInfo
- Publication number
- JPS59123808U JPS59123808U JP1789583U JP1789583U JPS59123808U JP S59123808 U JPS59123808 U JP S59123808U JP 1789583 U JP1789583 U JP 1789583U JP 1789583 U JP1789583 U JP 1789583U JP S59123808 U JPS59123808 U JP S59123808U
- Authority
- JP
- Japan
- Prior art keywords
- optical axis
- lens barrel
- zoom lens
- axis direction
- moving frame
- 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図は本考案の実施例を示す断面図、第２図は同上実
施例の要部構造部分を示す一体破截側面図、第３図は同
じく要部構造部分の平面図である。
２・・・・・・固定−リング、２ａ・・・・・・直進溝
、３・・・・・・カム枠、３ａ・・・・・・第ルンズ群
移動用カム溝、４・・・・・・第１１７１群移動枠、５
・・・・・・第２レンズ群移動枠、６・・・・・・カム
ピン、７・・・・・・がた防止ピン。FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is an integrally cutaway side view showing the main structural portion of the same embodiment, and FIG. 3 is a plan view of the main structural portion. 2... Fixed ring, 2a... Straight groove, 3... Cam frame, 3a... Cam groove for moving the lens group, 4... ...1171st group moving frame, 5
....Second lens group moving frame, 6..Cam pin, 7.. Shake prevention pin.
Claims (1)
するズームレンズ鏡胴において、第１１７１群移動枠に
、変倍操作時に第１１７１群移動枠をカム溝に沿って移
動させるためのカムピンを設けると共に、このカムピン
の位置から光軸方向に離して、かつ、光軸の周りの複数
個所にがた防止ピンを設け、これらのがた防止ピンを、
固定リングに設けた光軸方向の直進溝に嵌合させてなる
ズームレンズ鏡胴。In a zoom lens barrel in which the lens group moves in the optical axis direction during zooming and distance adjustment, a cam pin is installed in the 1171st group moving frame to move the 1171st group moving frame along the cam groove during zooming operations. At the same time, rattling prevention pins are provided at multiple locations around the optical axis and are spaced apart from the position of this cam pin in the optical axis direction, and these rattling prevention pins are
A zoom lens barrel that fits into a straight groove in the optical axis direction provided on a fixed ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1789583U JPS59123808U (en) | 1983-02-09 | 1983-02-09 | zoom lens barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1789583U JPS59123808U (en) | 1983-02-09 | 1983-02-09 | zoom lens barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59123808U true JPS59123808U (en) | 1984-08-21 |
Family
ID=30149119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1789583U Pending JPS59123808U (en) | 1983-02-09 | 1983-02-09 | zoom lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59123808U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB961483A (en) * | 1961-08-04 | 1964-06-24 | Angenieux Pierre | Improvements in or relating to guide means permitting the longitudinal displacement of a barrel carrying lens |
| JPS57163210A (en) * | 1981-04-01 | 1982-10-07 | Konishiroku Photo Ind Co Ltd | Lens barrel |
| JPS58111908A (en) * | 1981-12-25 | 1983-07-04 | Canon Inc | Lens holder of lens barrel for optical apparatus |
-
1983
- 1983-02-09 JP JP1789583U patent/JPS59123808U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB961483A (en) * | 1961-08-04 | 1964-06-24 | Angenieux Pierre | Improvements in or relating to guide means permitting the longitudinal displacement of a barrel carrying lens |
| JPS57163210A (en) * | 1981-04-01 | 1982-10-07 | Konishiroku Photo Ind Co Ltd | Lens barrel |
| JPS58111908A (en) * | 1981-12-25 | 1983-07-04 | Canon Inc | Lens holder of lens barrel for optical apparatus |
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