JPS62181911U - - Google Patents
Info
- Publication number
- JPS62181911U JPS62181911U JP6971086U JP6971086U JPS62181911U JP S62181911 U JPS62181911 U JP S62181911U JP 6971086 U JP6971086 U JP 6971086U JP 6971086 U JP6971086 U JP 6971086U JP S62181911 U JPS62181911 U JP S62181911U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- focusing
- lens holding
- adjustment screw
- interlocking member
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims 3
- 230000001105 regulatory effect Effects 0.000 claims 1
Landscapes
- Lens Barrels (AREA)
Description
第１図〜第３図は、本考案による実施例であり
、第１図はズームレンズ鏡筒の縦断面図、第２図
は前記断面図の一部拡大断面図、第３図はレンズ
保持筒１と連動部材２との斜視図である。第４図
は、従来のズームレンズ鏡筒の先端部分の一部拡
大断面図である。
（主要部分の符号の説明）、１……レンズ保持
筒、１ｃ……係合部、２……連動部材、２ａ……
突起部、１ｂ……Ｖ溝、２３……調整ビス。
1 to 3 show embodiments of the present invention, in which FIG. 1 is a vertical sectional view of a zoom lens barrel, FIG. 2 is a partially enlarged sectional view of the sectional view, and FIG. 3 is a lens holder. FIG. 2 is a perspective view of a cylinder 1 and an interlocking member 2. FIG. FIG. 4 is a partially enlarged sectional view of the tip portion of a conventional zoom lens barrel. (Explanation of symbols of main parts), 1...Lens holding cylinder, 1c...Engaging portion, 2...Interlocking member, 2a...
Projection, 1b... V groove, 23... Adjustment screw.
Claims (1)
シング部材と、係合溝を有し、該フオーカシング
レンズを保持するレンズ保持筒と、該係合溝と係
合する調整ビスを有し、該フオーカシング部材の
回動に連動して該レンズ保持筒を回動する連動部
材と、該フオーカシング部材の作動によるフオー
カシングの際に該レンズ保持筒がヘリコイドネジ
を介して光軸方向に繰出可能なように支持する支
持筒とを有し、 光学的性能を得るために該フオーカシングレン
ズの光軸方向の位置を調整可能なように、前記係
合溝と前記調整ビスとの係合を断つて前記レンズ
保持筒と前記連動部材との連動を断ち、該レンズ
保持筒と該支持筒とをヘリコイドネジを介して相
対移動し、調整後に該調整ビス及び該係合溝を係
合して該レンズ保持筒と該連動部材とを一体化さ
せた撮影レンズ鏡筒において、 前記係合溝及び前記調整ビスが係合する部分を
、前記撮影レンズ鏡筒の前記フオーカシングレン
ズ側の前記係合溝の溝面と前記調整ビスとにより
形成することを特徴とする撮影レンズ鏡筒。 (2) 前記連動部材は、内周側に突出し、そこに
前記調整ビスを備えた突起部を有し、 前記レンズ保持筒は、前記係合溝の形成された
位置より前記レンズマウント側に設けられたフラ
ンジ部を有し、 前記突起部と前記フランジ部とにより、前記連
動部材及び前記レンズ保持筒の相対的な光軸方向
の動きを規制する規制部を形成したことを特徴と
する実用新案登録請求の範囲第(1)項記載の撮影
レンズ鏡筒。[Claims for Utility Model Registration] (1) A focusing member that is activated during focusing, a lens holding tube that has an engaging groove and that holds the focusing lens, and that engages with the engaging groove. an interlocking member that has an adjustment screw and rotates the lens holding tube in conjunction with the rotation of the focusing member; and an interlocking member that rotates the lens holding tube in conjunction with the rotation of the focusing member; a support tube that supports the focusing lens so that it can be extended in the direction, and the engagement groove and the adjustment screw are arranged so that the position of the focusing lens in the optical axis direction can be adjusted in order to obtain optical performance. The lens holding tube and the supporting tube are moved relative to each other via a helicoid screw, and after adjustment, the adjusting screw and the engagement groove are removed. In a photographing lens barrel in which the lens holding barrel and the interlocking member are integrated by engagement, a portion of the photographing lens barrel that is engaged with the engagement groove and the adjustment screw is connected to the focusing lens of the photographic lens barrel. A photographing lens barrel, characterized in that it is formed by a groove surface of the engagement groove on the side and the adjustment screw. (2) The interlocking member has a protrusion that protrudes toward the inner circumference and is provided with the adjustment screw, and the lens holding tube is provided closer to the lens mount than the position where the engagement groove is formed. A utility model characterized in that the protrusion and the flange form a regulating part that regulates relative movement of the interlocking member and the lens holding cylinder in the optical axis direction. A photographing lens barrel according to registered claim (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6971086U JPH0522890Y2 (en) | 1986-05-09 | 1986-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6971086U JPH0522890Y2 (en) | 1986-05-09 | 1986-05-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62181911U true JPS62181911U (en) | 1987-11-18 |
| JPH0522890Y2 JPH0522890Y2 (en) | 1993-06-11 |
Family
ID=30910692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6971086U Expired - Lifetime JPH0522890Y2 (en) | 1986-05-09 | 1986-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0522890Y2 (en) |
-
1986
- 1986-05-09 JP JP6971086U patent/JPH0522890Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0522890Y2 (en) | 1993-06-11 |
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