JPS6357615U - - Google Patents
Info
- Publication number
- JPS6357615U JPS6357615U JP14975986U JP14975986U JPS6357615U JP S6357615 U JPS6357615 U JP S6357615U JP 14975986 U JP14975986 U JP 14975986U JP 14975986 U JP14975986 U JP 14975986U JP S6357615 U JPS6357615 U JP S6357615U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- lens barrel
- movable hood
- limiting member
- fixed
- 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 1
- 239000002390 adhesive tape Substances 0.000 description 3
Landscapes
- Blocking Light For Cameras (AREA)
- Lens Barrels (AREA)
Description
第１図は本考案によるレンズ鏡筒の断面図、第
２図は接着テープ貼り付け時の拡大図、第３図は
、従来例の部分断面図である。
（主要部分の符号の説明）、１……第１レンズ
群、２……第２レンズ群、３……第３レンズ群、
４……内蔵フード、５……保持枠、６……フード
後部制限、７……カム環、８……合焦操作環、９
……カムピン、１０……固定鏡筒、１１……保持
枠、１２……接着テープ、２１……距離目盛環、
２２……リード環、２３……接着テープ、２４…
…ゴムリング。
FIG. 1 is a sectional view of a lens barrel according to the present invention, FIG. 2 is an enlarged view of the lens barrel when adhesive tape is attached, and FIG. 3 is a partial sectional view of a conventional example. (Explanation of symbols of main parts), 1...first lens group, 2...second lens group, 3...third lens group,
4... Built-in hood, 5... Holding frame, 6... Hood rear limit, 7... Cam ring, 8... Focusing operation ring, 9
... Cam pin, 10 ... Fixed lens barrel, 11 ... Holding frame, 12 ... Adhesive tape, 21 ... Distance scale ring,
22... Lead ring, 23... Adhesive tape, 24...
...Rubber ring.
Claims (1)
レンズ群を前後させるためのリード環と、 レンズ鏡筒前方に突出して迷光を遮光する可動
式フード部材と、 前記固定鏡筒と一体であり、前記可動式フード
部材が摺動可能に嵌合する嵌合環と、 前記嵌合環の光軸後方において該嵌合環から前
記可動式フードの抜け落ちを防止すると共に該光
軸後方に延在する部分を有する制限部材とを有し
、 前記合焦操作環と前記リード環との固着位置は
、前記制限部材の延在部分と対向する位置で行わ
れる構造としたことを特徴とするレンズ鏡筒。[Scope of Claim for Utility Model Registration] A fixed lens barrel, a focusing operation ring having a distance display scale, a lead ring that is fixed to the operation ring and rotates as a unit to move the focusing lens group back and forth; a movable hood member that protrudes in front of the lens barrel to block stray light; a fitting ring that is integral with the fixed lens barrel and into which the movable hood member is slidably fitted; and a fitting ring that blocks stray light. a limiting member that prevents the movable hood from falling off from the fitting ring at the rear of the axis and has a portion that extends to the rear of the optical axis, and a fixing position of the focusing operation ring and the lead ring is . A lens barrel characterized in that the limiting member is formed at a position facing the extending portion of the limiting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14975986U JPS6357615U (en) | 1986-09-30 | 1986-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14975986U JPS6357615U (en) | 1986-09-30 | 1986-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6357615U true JPS6357615U (en) | 1988-04-18 |
Family
ID=31065275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14975986U Pending JPS6357615U (en) | 1986-09-30 | 1986-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6357615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9365788B2 (en) | 2011-10-10 | 2016-06-14 | Exxonmobil Chemical Patents Inc. | Process to produce improved poly alpha olefin compositions |
| US9593288B2 (en) | 2005-07-19 | 2017-03-14 | Exxonmobil Chemical Patents Inc. | Lubricants from mixed alpha-olefin feeds |
-
1986
- 1986-09-30 JP JP14975986U patent/JPS6357615U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9593288B2 (en) | 2005-07-19 | 2017-03-14 | Exxonmobil Chemical Patents Inc. | Lubricants from mixed alpha-olefin feeds |
| US9365788B2 (en) | 2011-10-10 | 2016-06-14 | Exxonmobil Chemical Patents Inc. | Process to produce improved poly alpha olefin compositions |
| US9399746B2 (en) | 2011-10-10 | 2016-07-26 | Exxonmobil Chemical Patents Inc. | Poly alpha olefin compositions |
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