JPS60135711U - zoom lens - Google Patents
zoom lensInfo
- Publication number
- JPS60135711U JPS60135711U JP2407784U JP2407784U JPS60135711U JP S60135711 U JPS60135711 U JP S60135711U JP 2407784 U JP2407784 U JP 2407784U JP 2407784 U JP2407784 U JP 2407784U JP S60135711 U JPS60135711 U JP S60135711U
- Authority
- JP
- Japan
- Prior art keywords
- groove
- lens
- cam
- zoom lens
- follower
- 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
Landscapes
- Lens Barrels (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例のズームレンズ鏡胴の縦断面図、第２図
は本考案に係るズームレンズ鏡胴の一実施例の縦断面図
、第３図はその要部分解斜視図である。
Ｌｌ・・・第ルンズ群、ｈ・・・第２レンズ群、Ｌ・・
・第３レンズ群、１・・・マウント、２・・・固定筒、
５・・・カム筒、２ｂ・・・直進ガイド溝、２ｃ・・・
開口部、５ｂ・・・カム溝、５ｃ・・・面取り部、５ｄ
・・・開口部、４・・・移動筒、４ｂ・・・伸長部、４
ａ・・・カムフォロワー、４ｃ・・・あご部。FIG. 1 is a vertical cross-sectional view of a conventional zoom lens barrel, FIG. 2 is a vertical cross-sectional view of an embodiment of the zoom lens barrel according to the present invention, and FIG. 3 is an exploded perspective view of essential parts thereof. Ll... 1st lens group, h... 2nd lens group, L...
・Third lens group, 1... mount, 2... fixed tube,
5...Cam cylinder, 2b...straight guide groove, 2c...
Opening portion, 5b... cam groove, 5c... chamfered portion, 5d
...Opening part, 4...Moving tube, 4b...Extension part, 4
a...Cam follower, 4c...chin part.
Claims (2)
カム溝を有するカム筒と、前記直進溝とカム溝の交点に
嵌合するカムフォロワーをレンズのレンズ枠に取り付け
たズームレンズにおいて、前記直進溝又はカム溝の側面
にテーパー面を設け、前記カラフォロワーの上部周囲に
前記テーパー面と摺接するテーパ一部を設けたことを特
徴とするズームレンズのレンズ移動機構。(1) A zoom lens in which a fixed barrel having a straight groove, a cam barrel having a cam groove that intersects with the straight groove, and a cam follower that fits at the intersection of the straight groove and the cam groove are attached to the lens frame of the lens. A lens moving mechanism for a zoom lens, characterized in that a tapered surface is provided on a side surface of the linear groove or the cam groove, and a portion of the taper that slides into contact with the tapered surface is provided around the upper part of the color follower.
と一体に成形加工し、前記直進溝とカム溝の一端側に前
記カムフォロワーの前記テーパ一部を−挿通する開口部
を設けたことを特徴とする実用新案登録請求の範囲第（
１）項記載のズームレンズのレンズ移動装置。(2) The cam follower is molded integrally with the lens frame of the movable lens, and an opening is provided at one end side of the linear groove and the cam groove, through which the tapered part of the cam follower is inserted. Scope of claim for utility model registration (
1) A lens moving device for a zoom lens according to item 1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2407784U JPS60135711U (en) | 1984-02-21 | 1984-02-21 | zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2407784U JPS60135711U (en) | 1984-02-21 | 1984-02-21 | zoom lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60135711U true JPS60135711U (en) | 1985-09-09 |
| JPH0233204Y2 JPH0233204Y2 (en) | 1990-09-07 |
Family
ID=30517895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2407784U Granted JPS60135711U (en) | 1984-02-21 | 1984-02-21 | zoom lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60135711U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63193114A (en) * | 1987-02-05 | 1988-08-10 | Asahi Optical Co Ltd | Back-focal distance adjusting mechanism for zoom lens |
| JP2008176049A (en) * | 2007-01-18 | 2008-07-31 | Canon Inc | Lens barrel and photographing device |
| JP2010055124A (en) * | 2009-12-10 | 2010-03-11 | Tamron Co Ltd | Zoom lens |
| WO2012102001A1 (en) * | 2011-01-24 | 2012-08-02 | パナソニック株式会社 | Lens barrel |
| US8885266B2 (en) | 2011-01-24 | 2014-11-11 | Panasonic Corporation | Lens barrel |
| US8896933B2 (en) | 2011-01-24 | 2014-11-25 | Panasonic Corporation | Lens barrel |
| US9235024B2 (en) | 2011-01-24 | 2016-01-12 | Panasonic Intellectual Property Management Co., Ltd. | Lens barrel |
-
1984
- 1984-02-21 JP JP2407784U patent/JPS60135711U/en active Granted
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63193114A (en) * | 1987-02-05 | 1988-08-10 | Asahi Optical Co Ltd | Back-focal distance adjusting mechanism for zoom lens |
| JP2008176049A (en) * | 2007-01-18 | 2008-07-31 | Canon Inc | Lens barrel and photographing device |
| JP4542109B2 (en) * | 2007-01-18 | 2010-09-08 | キヤノン株式会社 | Lens barrel and photographing apparatus |
| JP2010055124A (en) * | 2009-12-10 | 2010-03-11 | Tamron Co Ltd | Zoom lens |
| WO2012102001A1 (en) * | 2011-01-24 | 2012-08-02 | パナソニック株式会社 | Lens barrel |
| US8885266B2 (en) | 2011-01-24 | 2014-11-11 | Panasonic Corporation | Lens barrel |
| US8896933B2 (en) | 2011-01-24 | 2014-11-25 | Panasonic Corporation | Lens barrel |
| JP2015146051A (en) * | 2011-01-24 | 2015-08-13 | パナソニックＩｐマネジメント株式会社 | lens barrel |
| US9158085B2 (en) | 2011-01-24 | 2015-10-13 | Panasonic Intellectual Property Management Co., Ltd. | Lens barrel |
| US9235024B2 (en) | 2011-01-24 | 2016-01-12 | Panasonic Intellectual Property Management Co., Ltd. | Lens barrel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0233204Y2 (en) | 1990-09-07 |
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