JPS61176517U - - Google Patents
Info
- Publication number
- JPS61176517U JPS61176517U JP5284785U JP5284785U JPS61176517U JP S61176517 U JPS61176517 U JP S61176517U JP 5284785 U JP5284785 U JP 5284785U JP 5284785 U JP5284785 U JP 5284785U JP S61176517 U JPS61176517 U JP S61176517U
- Authority
- JP
- Japan
- Prior art keywords
- lens group
- moving ring
- sleeve
- lens
- guide bar
- 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 2
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案に係るレンズ移動環の一実施例
の断面図、第２図はその要部拡大説明図、第３図
は本考案の別の実施例の要部断面図、第４図は従
来例のレンズ移動環を有するズームレンズ鏡筒の
縦断面図、第５図ａ，ｂはいずれもそのレンズ移
動環のスライド部分の拡大説明図である。
Ｌ２……変倍レンズ群、Ｌ３……補正レンズ群
、１５，１６……レンズ移動環、１５ａ，１６ａ
……軸ピン、１５ｂ，１６ｂ……スリーブ、１５
ｃ，１６ｃ……中空部、１７……ガイドバー。
Fig. 1 is a sectional view of one embodiment of the lens moving ring according to the present invention, Fig. 2 is an enlarged explanatory view of the main part thereof, Fig. 3 is a sectional view of the main part of another embodiment of the present invention, and Fig. 4 5 is a vertical sectional view of a zoom lens barrel having a conventional lens moving ring, and FIGS. 5a and 5b are enlarged explanatory views of the sliding portion of the lens moving ring. L2 ...variable lens group, L3 ...correction lens group, 15, 16...lens moving ring, 15a, 16a
...Axis pin, 15b, 16b...Sleeve, 15
c, 16c...Hollow part, 17...Guide bar.
Claims (1)
をそれぞれその移動環のスリーブとガイドバーに
より案内保持し、光軸方向に移動可能なレンズ移
動環構造において、該ガイドバーと光軸方向にス
ライド自在に嵌合する該スリーブの内径部をそれ
ぞれ前後両端部のスライド面を除いて中間部分は
中空部にして成るレンズ移動環構造。 In a lens moving ring structure in which the variable power lens group and correction lens group of a zoom lens system are guided and held by the sleeve and guide bar of the moving ring, and can be moved in the optical axis direction, the variable lens group and the correction lens group are slidable in the optical axis direction with the guide bar. A lens moving ring structure in which the inner diameter part of the sleeve that fits into the sleeve is hollow in the middle part except for sliding surfaces at both front and rear ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5284785U JPS61176517U (en) | 1985-04-11 | 1985-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5284785U JPS61176517U (en) | 1985-04-11 | 1985-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61176517U true JPS61176517U (en) | 1986-11-04 |
Family
ID=30573159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5284785U Pending JPS61176517U (en) | 1985-04-11 | 1985-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61176517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011065296A1 (en) * | 2009-11-24 | 2011-06-03 | コニカミノルタオプト株式会社 | Drive device |
-
1985
- 1985-04-11 JP JP5284785U patent/JPS61176517U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011065296A1 (en) * | 2009-11-24 | 2011-06-03 | コニカミノルタオプト株式会社 | Drive device |
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