JPS62197115U - - Google Patents
Info
- Publication number
- JPS62197115U JPS62197115U JP8601086U JP8601086U JPS62197115U JP S62197115 U JPS62197115 U JP S62197115U JP 8601086 U JP8601086 U JP 8601086U JP 8601086 U JP8601086 U JP 8601086U JP S62197115 U JPS62197115 U JP S62197115U
- Authority
- JP
- Japan
- Prior art keywords
- barrel
- fixed outer
- circumferential surface
- lens
- 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
- 239000000428 dust Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Description
添附図面は本考案のレンズ鏡筒の一実施例を示
した縦断面図である。
１……固定外筒、１ｂ……固定内筒、１ａ……
ねじ部、１ｃ……マウント爪、１ｄ及び１ｅ……
軸線方向溝、１ｆ……周方向溝、２ａ……ズーム
操作環、２ｂ……筒状部、３……距離目盛表示窓
、４……目盛環、５……距離環、Ｌ１及びＬ２…
…前群レンズ、Ｌ３〜Ｌ６……後群レンズ、６…
…前群レンズ保持枠、７……レンズ移動環、８…
…後群レンズ保持枠、９……接続端子、１０……
モータ、１１……減速機構、１２……ギヤ、１３
……駆動軸、１４……防塵リング。
The accompanying drawings are longitudinal sectional views showing one embodiment of the lens barrel of the present invention. 1...Fixed outer cylinder, 1b...Fixed inner cylinder, 1a...
Threaded portion, 1c...Mount claw, 1d and 1e...
Axial groove, 1f... Circumferential groove, 2a... Zoom operation ring, 2b... Cylindrical part, 3... Distance scale display window, 4... Scale ring, 5... Distance ring, L 1 and L 2 …
...Front group lens, L3 to L6 ...Rear group lens, 6...
...Front group lens holding frame, 7... Lens moving ring, 8...
...Rear group lens holding frame, 9... Connection terminal, 10...
Motor, 11... Reduction mechanism, 12... Gear, 13
...Drive shaft, 14...Dust-proof ring.
Claims (1)
距離調節操作に応じて前記固定外筒の先端から前
方へ繰り出される可動内筒と、を有するレンズ鏡
筒において、 前記可動内筒の外周面と前記固定外筒の内周面
との間の間隙から前記固定外筒内への塵埃の侵入
を防止するための防塵リングを前記固定外筒の先
端部内周面に固定したことを特徴とするレンズ鏡
筒。 (2) 前記防塵リングの内周面と前記可動内筒の
外周面との間の間隙が、前記防塵リングの外周縁
と前記固定外筒との間に設けられた間隙よりも大
きく設定されていることを特徴とする、実用新案
登録請求の範囲第１項記載のレンズ鏡筒。 (3) 前記防塵リングが可撓性を有した合成樹脂
材料で構成されていることを特徴とする、実用新
案登録請求の範囲第１項記載のレンズ鏡筒。[Claims for Utility Model Registration] (1) A lens having a fixed outer barrel and a movable inner barrel that is housed within the fixed outer barrel and is extended forward from the tip of the fixed outer barrel in response to a distance adjustment operation. In the lens barrel, a dust-proof ring is provided at the tip of the fixed outer barrel to prevent dust from entering the fixed outer barrel from a gap between the outer circumferential surface of the movable inner barrel and the inner circumferential surface of the fixed outer barrel. A lens barrel characterized by being fixed to the inner peripheral surface of the lens barrel. (2) The gap between the inner circumferential surface of the dustproof ring and the outer circumferential surface of the movable inner cylinder is set to be larger than the gap provided between the outer circumferential edge of the dustproof ring and the fixed outer cylinder. The lens barrel according to claim 1 of the utility model registration claim, characterized in that: (3) The lens barrel according to claim 1, wherein the dustproof ring is made of a flexible synthetic resin material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8601086U JPS62197115U (en) | 1986-06-05 | 1986-06-05 | |
| US07/018,082 US4865432A (en) | 1986-02-26 | 1987-02-24 | Lens mounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8601086U JPS62197115U (en) | 1986-06-05 | 1986-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62197115U true JPS62197115U (en) | 1987-12-15 |
Family
ID=30941929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8601086U Pending JPS62197115U (en) | 1986-02-26 | 1986-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62197115U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010256568A (en) * | 2009-04-23 | 2010-11-11 | Panasonic Corp | Lens barrel |
| JP2016102898A (en) * | 2014-11-28 | 2016-06-02 | 株式会社タムロン | Lens barrel and imaging apparatus |
-
1986
- 1986-06-05 JP JP8601086U patent/JPS62197115U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010256568A (en) * | 2009-04-23 | 2010-11-11 | Panasonic Corp | Lens barrel |
| JP2016102898A (en) * | 2014-11-28 | 2016-06-02 | 株式会社タムロン | Lens barrel and imaging apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69631334D1 (en) | EXTENDABLE REAR VIEW MIRROR | |
| JPH01136930U (en) | ||
| JPH01169211U (en) | ||
| JPS62197115U (en) | ||
| FR2682544B1 (en) | ANNULAR PIEZOELECTRIC MOTOR WITH SEGMENTED DISCOUIDAL TRANSDUCERS. | |
| EP0804027A3 (en) | Liquid crystal display projector | |
| JPS62190230U (en) | ||
| JPS62188718U (en) | ||
| JP3587324B2 (en) | Inner focus zoom lens | |
| JPH01171412U (en) | ||
| JPS6357615U (en) | ||
| JPS6330837U (en) | ||
| JPS58115708U (en) | lens barrel | |
| JPS62127513U (en) | ||
| JPS58154922U (en) | Camera filter frame | |
| JPS62118216U (en) | ||
| JPS62118217U (en) | ||
| JPS632908U (en) | ||
| JPS63135334U (en) | ||
| JPS6246165Y2 (en) | ||
| JPH0420039U (en) | ||
| JPH049027U (en) | ||
| JP2002196214A (en) | Lens driving structure | |
| JPH05257049A (en) | Lens barrel | |
| JPS5979807U (en) | Photographic lens assembly |