JP3905874B2 - レンズ鏡筒 - Google Patents
レンズ鏡筒 Download PDFInfo
- Publication number
- JP3905874B2 JP3905874B2 JP2003330078A JP2003330078A JP3905874B2 JP 3905874 B2 JP3905874 B2 JP 3905874B2 JP 2003330078 A JP2003330078 A JP 2003330078A JP 2003330078 A JP2003330078 A JP 2003330078A JP 3905874 B2 JP3905874 B2 JP 3905874B2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- guide ring
- groove
- lens barrel
- rectilinear
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lens Barrels (AREA)
Description
3 直進案内環
3a 直進案内溝
3b 貫通長溝(第2貫通溝)
5 ズーム環(回転操作環)
5a 1群案内駒取り付け部
5c 貫通溝(第1貫通溝)
6 1群案内駒(突起部材)
6a 腕部
6b 脚部
6c フォロワ部
6d カム係合面
Claims (3)
- 直進案内環と、
前記直進案内環の内側に配置され、外周面にカムを有する直進移動環と、
前記直進案内環の外側に配置され、前記直進案内環に対して周方向には回転可能で光軸方向には移動不可能な、第1貫通溝を有する回転操作環と、
を同心状に配置し、前記回転操作環の前記直進案内環に対する回動操作により、前記直進案内環を介して前記直進移動環を光軸方向に直進移動させるレンズ鏡筒であって、
前記直進案内環は径方向に貫通する第2貫通溝を有し、
前記回転操作環の外側から前記前記第1貫通溝及び前記直進案内環の前記第2貫通溝に挿入した突起部材を前記直進移動環の前記カムに係合させたことを特徴とするレンズ鏡筒。 - 前記突起部材を挿入したとき、第2貫通溝に位置する前記突起部材の光軸方向の長さが、第2貫通溝の光軸方向の長さとほぼ一致するレンズ鏡筒。
- 前記直進案内環の第2貫通溝は、前記突起部材が、前記回転操作環の前記直進案内環に対して回転を邪魔しないような周方向長溝になっているレンズ鏡筒。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003330078A JP3905874B2 (ja) | 2002-09-26 | 2003-09-22 | レンズ鏡筒 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002280516 | 2002-09-26 | ||
JP2003330078A JP3905874B2 (ja) | 2002-09-26 | 2003-09-22 | レンズ鏡筒 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004139061A JP2004139061A (ja) | 2004-05-13 |
JP3905874B2 true JP3905874B2 (ja) | 2007-04-18 |
Family
ID=32473124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003330078A Expired - Fee Related JP3905874B2 (ja) | 2002-09-26 | 2003-09-22 | レンズ鏡筒 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3905874B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016104547A1 (ja) * | 2014-12-26 | 2016-06-30 | 株式会社ニコン | レンズ鏡筒、カメラ |
-
2003
- 2003-09-22 JP JP2003330078A patent/JP3905874B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2004139061A (ja) | 2004-05-13 |
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