JPS6443315U - - Google Patents
Info
- Publication number
- JPS6443315U JPS6443315U JP13620587U JP13620587U JPS6443315U JP S6443315 U JPS6443315 U JP S6443315U JP 13620587 U JP13620587 U JP 13620587U JP 13620587 U JP13620587 U JP 13620587U JP S6443315 U JPS6443315 U JP S6443315U
- Authority
- JP
- Japan
- Prior art keywords
- barrel
- fixed
- cylinder
- rotation
- lens
- 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
- 239000002131 composite material Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案に係るレンズ鏡筒を示す縦断面
図、第２図は操作筒の部分展開図、第３図は上記
実施例のＡ―Ａ矢視横断面図、第４図は使用時の
変形状態を示すＡ―Ａ矢視断面図である。
［主要部分の符号の説明］、１０……固定筒、
２０……カム筒、３６……回転制御部材、５０…
…外筒。
Fig. 1 is a vertical cross-sectional view showing the lens barrel according to the present invention, Fig. 2 is a partially exploded view of the operating barrel, Fig. 3 is a cross-sectional view taken along arrow A-A of the above embodiment, and Fig. 4 is a used FIG. 3 is a cross-sectional view taken along line A-A, showing a deformed state at the time of use. [Explanation of symbols of main parts], 10...Fixed cylinder,
20...Cam cylinder, 36...Rotation control member, 50...
...outer cylinder.
Claims (1)
の外方に嵌合され、レンズマウント側の一端部に
おいて前記固定筒に固定された合成樹脂製の外筒
と、 前記固定筒と前記外筒との間に形成された間隙
内に入り込む内筒と、該内筒から延在して外部操
作可能な手動操作筒とを備え、光軸周りの回転に
連動して合焦レンズ群を駆動する操作筒とを有す
るレンズ鏡筒において、 前記外筒の自由端に対応する部分において前記
固定筒に固設され、前記操作筒の回転を所定角度
内に回転制限するとともに、前記外筒の変形を防
止するために前記外筒の内周面に接触可能な回転
制限部材を備えたことを特徴とするカメラ用レン
ズ鏡筒。[Scope of Claim for Utility Model Registration] A fixed barrel and a composite that is fitted to the outside of the fixed barrel with a certain gap maintained between the fixed barrel and fixed to the fixed barrel at one end on the lens mount side. An outer cylinder made of resin, an inner cylinder that fits into a gap formed between the fixed cylinder and the outer cylinder, and a manual operation cylinder that extends from the inner cylinder and can be externally operated, and the optical axis In a lens barrel having an operating barrel that drives a focusing lens group in conjunction with the rotation of its surroundings, the outer barrel is fixed to the fixed barrel at a portion corresponding to the free end of the outer barrel, and is configured to control rotation of the operating barrel in a predetermined manner. 1. A lens barrel for a camera, comprising: a rotation limiting member capable of contacting an inner peripheral surface of the outer barrel in order to limit rotation within an angle and prevent deformation of the outer barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13620587U JPS6443315U (en) | 1987-09-08 | 1987-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13620587U JPS6443315U (en) | 1987-09-08 | 1987-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6443315U true JPS6443315U (en) | 1989-03-15 |
Family
ID=31396494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13620587U Pending JPS6443315U (en) | 1987-09-08 | 1987-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6443315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0567528U (en) * | 1992-02-25 | 1993-09-07 | 池田物産株式会社 | Seat slide rail structure |
-
1987
- 1987-09-08 JP JP13620587U patent/JPS6443315U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0567528U (en) * | 1992-02-25 | 1993-09-07 | 池田物産株式会社 | Seat slide rail structure |
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