JPH01160426U - - Google Patents
Info
- Publication number
- JPH01160426U JPH01160426U JP5602788U JP5602788U JPH01160426U JP H01160426 U JPH01160426 U JP H01160426U JP 5602788 U JP5602788 U JP 5602788U JP 5602788 U JP5602788 U JP 5602788U JP H01160426 U JPH01160426 U JP H01160426U
- Authority
- JP
- Japan
- Prior art keywords
- photographic lens
- holding member
- fixed
- key
- lens barrier
- 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.)
- Granted
Links
- 230000004888 barrier function Effects 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims 2
- 230000013011 mating Effects 0.000 claims 1
Landscapes
- Lens Barrels (AREA)
- Blocking Light For Cameras (AREA)
- Structure And Mechanism Of Cameras (AREA)
Description
第１図〜第４図は本考案の一実施例を示してお
り、第１図はカメラボデイ等を破断して表わした
要部断面図、第２図は同じく要部断面図、第３図
はカメラの撮影レンズ鏡筒の一部を破断して表わ
した正面図、第４図は同じく正面図である。
１０……カメラボデイ、２０……固定筒、２４
……キー、２５……カム部、３０……回動部材、
３２……オスヘリコイド（ヘリコイド）、３４…
…メスヘリコイド（ヘリコイド）、４０……保持
部材、４４……キー溝、５０……直進鏡筒（鏡筒
）、６０……撮影レンズバリヤ、７０……連動環
（連動部材）。
1 to 4 show an embodiment of the present invention, in which FIG. 1 is a sectional view of the main part of the camera body etc., FIG. 2 is a sectional view of the main part, and FIG. 3 is a sectional view of the main part. 4 is a partially cutaway front view of the photographing lens barrel of the camera, and FIG. 4 is a front view of the same. 10...Camera body, 20...Fixed tube, 24
... key, 25 ... cam part, 30 ... rotating member,
32...male helicoid (helicoid), 34...
... Female helicoid (helicoid), 40 ... Holding member, 44 ... Keyway, 50 ... Straight lens barrel (lens barrel), 60 ... Photographing lens barrier, 70 ... Interlocking ring (interlocking member).
Claims (1)
込んだ鏡筒を保持する保持部材と、 該保持部材と螺合する一のヘリコイドを有する
とともに、カメラボデイに固定された固定筒と螺
合する他の一のヘリコイドを有する回動部材と、 光軸方向へ延ばされて前記固定筒に固設され、
前記保持部材に刻設したキー溝と係合するキーと
、 前記保持部材が、その回転を前記キーと前記キ
ー溝との係合によつて阻止され、前記回動部材の
回転に応動して前記光軸方向に直進移動した際、
前記撮影レンズバリヤを開閉すべく、前記連動部
材を駆動するカム部とを備えたカメラの撮影レン
ズ鏡筒において、 前記カム部を前記キーに形成したことを特徴と
するカメラの撮影レンズ鏡筒。[Claims for Utility Model Registration] A photographic lens barrier, an interlocking member that opens and closes the photographic lens barrier, a holding member that holds a lens barrel incorporating the photographic lens barrier and the interlocking member, and the holding member and a screw. a rotating member having one helicoid mating with the camera body and another helicoid screwing together with a fixed barrel fixed to the camera body; a rotating member extending in the optical axis direction and fixed to the fixed barrel;
a key that engages with a keyway carved in the holding member; rotation of the holding member is prevented by engagement between the key and the keyway; and the holding member responds to rotation of the rotating member; When moving straight in the optical axis direction,
What is claimed is: 1. A photographic lens barrel for a camera, comprising: a cam section that drives the interlocking member to open and close the photographic lens barrier, wherein the cam section is formed on the key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5602788U JPH0755545Y2 (en) | 1988-04-26 | 1988-04-26 | Camera lens lens barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5602788U JPH0755545Y2 (en) | 1988-04-26 | 1988-04-26 | Camera lens lens barrel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01160426U true JPH01160426U (en) | 1989-11-07 |
| JPH0755545Y2 JPH0755545Y2 (en) | 1995-12-20 |
Family
ID=31281914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5602788U Expired - Lifetime JPH0755545Y2 (en) | 1988-04-26 | 1988-04-26 | Camera lens lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0755545Y2 (en) |
-
1988
- 1988-04-26 JP JP5602788U patent/JPH0755545Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0755545Y2 (en) | 1995-12-20 |
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