JPS62113329U - - Google Patents
Info
- Publication number
- JPS62113329U JPS62113329U JP3986U JP3986U JPS62113329U JP S62113329 U JPS62113329 U JP S62113329U JP 3986 U JP3986 U JP 3986U JP 3986 U JP3986 U JP 3986U JP S62113329 U JPS62113329 U JP S62113329U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- optical axis
- front lens
- axis direction
- camera
- 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 5
Landscapes
- Focusing (AREA)
Description
第１図は本考案の一実施例の要部縦断面図であ
る。第２図は第１図における―断面図である
。
１……シヤツタ基板、２……カメラボデイ、３
……前カバー、８……外枠、１０……後群レンズ
、１５……前群レンズ、１６……前玉鏡筒、２０
，２１……突起、２４，２５……係合溝。
FIG. 1 is a longitudinal cross-sectional view of a main part of an embodiment of the present invention. FIG. 2 is a cross-sectional view of FIG. 1. 1... Shutter board, 2... Camera body, 3
...Front cover, 8...Outer frame, 10...Rear group lens, 15...Front group lens, 16...Front lens barrel, 20
, 21... protrusion, 24, 25... engagement groove.
Claims (1)
ズに対し、前群レンズを保持した前玉鏡筒を光軸
方向にスライドさせることによつて焦点調節を行
うようにしたカメラにおいて、 前記前玉鏡筒の外周を取り囲むように配置され
た筒状の部材と、この部材の内周の異なる位置に
固着され、内側に向かつて突出するとともに光軸
方向に延長された複数の突起と、前記前玉鏡筒の
光軸方向での移動範囲内で前記突起と係合するよ
うに、前記鏡筒の外周に光軸方向に延長して形成
された溝とからなることを特徴とするカメラの前
玉鏡筒支持装置。 (2) 前記突起および溝の少なくとも一対は、前
玉鏡筒の外周よりも光軸側に寄つた位置に中心を
もつ円形断面に形成されていることを特徴とする
実用新案登録請求の範囲第１項記載のカメラ前玉
鏡筒支持装置。[Scope of claim for utility model registration] (1) Focus adjustment is performed by sliding the front lens barrel holding the front group lens in the optical axis direction with respect to the rear group lens fixed to the camera body. In such a camera, a cylindrical member is arranged to surround the outer periphery of the front lens barrel, and a cylindrical member is fixed at different positions on the inner periphery of this member, protruding inwardly and extending in the optical axis direction. and a groove extending in the optical axis direction on the outer periphery of the lens barrel so as to engage with the projections within a movement range of the front lens barrel in the optical axis direction. A front lens barrel support device for a camera, which is characterized by: (2) At least one pair of the protrusions and grooves is formed in a circular cross section with the center located closer to the optical axis than the outer periphery of the front lens barrel. The camera front lens barrel support device according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3986U JPS62113329U (en) | 1986-01-06 | 1986-01-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3986U JPS62113329U (en) | 1986-01-06 | 1986-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62113329U true JPS62113329U (en) | 1987-07-18 |
Family
ID=30776678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3986U Pending JPS62113329U (en) | 1986-01-06 | 1986-01-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62113329U (en) |
-
1986
- 1986-01-06 JP JP3986U patent/JPS62113329U/ja active Pending