JPS632908U - - Google Patents
Info
- Publication number
- JPS632908U JPS632908U JP9622086U JP9622086U JPS632908U JP S632908 U JPS632908 U JP S632908U JP 9622086 U JP9622086 U JP 9622086U JP 9622086 U JP9622086 U JP 9622086U JP S632908 U JPS632908 U JP S632908U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- screwed
- optical axis
- helicoid
- barrel
- 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
- 239000000463 material Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 3
- 239000010687 lubricating oil Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Description
図は本考案のレンズ鏡筒の一実施例を示す断面
図である。
１……固定鏡筒、２……ズーム操作環、３……
距離目盛表示窓、４……距離目盛環、５……距離
環、６……保持枠、７……フオーカス駆動モータ
、８……減速機、９……歯車、１０……給電端子
、１１……ダブルヘリコイド、１２……前群レン
ズ、１３，１４……凹溝、１５，１６……保油材
。
The figure is a sectional view showing an embodiment of the lens barrel of the present invention. 1...Fixed lens barrel, 2...Zoom operation ring, 3...
Distance scale display window, 4...Distance scale ring, 5...Distance ring, 6...Holding frame, 7...Focus drive motor, 8...Reducer, 9...Gear, 10...Power supply terminal, 11... ...Double helicoid, 12...Front group lens, 13, 14...Concave groove, 15, 16...Oil retaining material.
Claims (1)
方向に沿つて移動させる回転部材をヘリコイドね
じを介して固定筒に相対回転可能に螺合させたレ
ンズ鏡筒において、前記螺合するヘリコイドねじ
間にその周方向に沿つて潤滑油を含んだ多孔質弾
性体からなる保油材を圧縮挿入したことを特徴と
するレンズ鏡筒。 In a lens barrel in which a rotating member that moves an optical member along the optical axis direction while rotating around an optical axis is screwed to a fixed barrel through a helicoid screw so as to be relatively rotatable, there is a gap between the screwed helicoid screws. A lens barrel characterized in that an oil retaining material made of a porous elastic body containing lubricating oil is compressed and inserted along the circumferential direction of the lens barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9622086U JPS632908U (en) | 1986-06-24 | 1986-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9622086U JPS632908U (en) | 1986-06-24 | 1986-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS632908U true JPS632908U (en) | 1988-01-09 |
Family
ID=30961718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9622086U Pending JPS632908U (en) | 1986-06-24 | 1986-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS632908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010160196A (en) * | 2009-01-06 | 2010-07-22 | Fujinon Corp | Optical device, lubricant, and ricketiness prevention method |
-
1986
- 1986-06-24 JP JP9622086U patent/JPS632908U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010160196A (en) * | 2009-01-06 | 2010-07-22 | Fujinon Corp | Optical device, lubricant, and ricketiness prevention method |
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