JPS6415210U - - Google Patents
Info
- Publication number
- JPS6415210U JPS6415210U JP10942187U JP10942187U JPS6415210U JP S6415210 U JPS6415210 U JP S6415210U JP 10942187 U JP10942187 U JP 10942187U JP 10942187 U JP10942187 U JP 10942187U JP S6415210 U JPS6415210 U JP S6415210U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- screw member
- front lens
- fixed
- stopper
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Description
図面第１図は本考案よりなるカメラのレンズ鏡
筒の構成概要一例を示す縦断面図、第２図は同レ
ンズ鏡筒の第１図Ａ−Ａ線の断面図である。第３
図は従来のカメラのレンズ鏡筒の構成概要一例を
示す縦断面図、第４図は同レンズ鏡筒の第３図Ｂ
−Ｂ線の断面図、第５図は第３図の構成における
レンズ鏡筒の外観を示した図である。
１……前玉鏡筒、１ａ，１ｂ……周方向長溝、
１ｄ……無限ストツパ部、１ｅ……至近ストツパ
部、１ｆ……中間突起、２……メスヘリコイド、
２ａ，２ｂ，２ｃ……逃げ穴、２ｄ……外向き周
状フランジ、３ａ，３ｂ……固定ネジ、４……ス
トツパ兼用の指標環、５……固定鏡筒、５ａ……
ヘリコイド螺子部、６……合焦レンズ、７……カ
メラのグリツプ、７ａ……グリツプ部、７ｂ……
カバー部、１１……前玉鏡筒、１１ａ，１１ｂ，
１１ｃ……周方向長溝、１１ｄ……無限ストツパ
部、１２……メスヘリコイド、１３ａ，１３ｂ，
１３ｃ……固定ネジ、１４……無限至近兼用のス
トツパ、１５……固定鏡筒、１５ａ……ヘリコイ
ド螺子部、１６……合焦レンズ、１７……カメラ
ケース、１７ａ……グリツプ部、１７ｂ……カバ
ー部。
FIG. 1 is a vertical cross-sectional view showing an example of the general configuration of a lens barrel of a camera according to the present invention, and FIG. 2 is a cross-sectional view of the same lens barrel taken along line A--A in FIG. 1. Third
The figure is a longitudinal sectional view showing an example of the general configuration of a lens barrel of a conventional camera, and Figure 4 is Figure 3B of the same lens barrel.
5, which is a sectional view taken along the line -B, is a diagram showing the appearance of the lens barrel in the configuration of FIG. 3. 1... Front lens barrel, 1a, 1b... Circumferential long groove,
1d...Infinite stopper part, 1e...Proximity stopper part, 1f...Intermediate projection, 2...Female helicoid,
2a, 2b, 2c...Escape hole, 2d...Outward circumferential flange, 3a, 3b...Fixing screw, 4...Indicator ring that also serves as a stopper, 5...Fixed lens barrel, 5a...
Helicoid screw part, 6...Focusing lens, 7...Camera grip, 7a...Grip part, 7b...
Cover part, 11... Front lens barrel, 11a, 11b,
11c... Circumferential long groove, 11d... Infinite stopper portion, 12... Female helicoid, 13a, 13b,
13c... Fixing screw, 14... Stopper for infinity, 15... Fixed lens barrel, 15a... Helicoid screw part, 16... Focusing lens, 17... Camera case, 17a... Grip part, 17b... ...Cover part.
Claims (1)
筒にヘリコイド結合される筒状の螺子部材とを備
え、上記前玉鏡筒と螺子部材を嵌挿組付けして固
定する構造のレンズ鏡筒において、 上記螺子部材と前玉鏡筒は、バヨネツト結合に
より光軸方向に抜け止めした嵌挿組付け構造に設
けると共に、これら螺子部材と前玉鏡筒の周方向
位置を固定する位置決め手段を設けたことを特徴
とするレンズ鏡筒。[Scope of Claim for Utility Model Registration] A front lens barrel that internally carries a focusing lens, and a cylindrical screw member that is helicoidally coupled to a fixed lens barrel, and the front lens barrel and the screw member are inserted and assembled. In a lens barrel with a structure in which the screw member and the front lens barrel are attached and fixed, the screw member and the front lens barrel are provided in a fit-in assembly structure that prevents them from coming off in the optical axis direction by bayonet connection, and the screw member and the front lens barrel are A lens barrel characterized in that it is provided with positioning means for fixing its circumferential position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10942187U JPS6415210U (en) | 1987-07-16 | 1987-07-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10942187U JPS6415210U (en) | 1987-07-16 | 1987-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6415210U true JPS6415210U (en) | 1989-01-25 |
Family
ID=31345646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10942187U Pending JPS6415210U (en) | 1987-07-16 | 1987-07-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6415210U (en) |
-
1987
- 1987-07-16 JP JP10942187U patent/JPS6415210U/ja active Pending