JPS6098805U - Zoom lens cam mechanism - Google Patents
Zoom lens cam mechanismInfo
- Publication number
- JPS6098805U JPS6098805U JP14636184U JP14636184U JPS6098805U JP S6098805 U JPS6098805 U JP S6098805U JP 14636184 U JP14636184 U JP 14636184U JP 14636184 U JP14636184 U JP 14636184U JP S6098805 U JPS6098805 U JP S6098805U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- zoom lens
- optical system
- cam mechanism
- cam surface
- 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
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図はズームレンズの一部を示した断面図。
第２図はその展開図。第３図は板バネ部の斜視図。第４
図は本考案の斜視図。
３．４・・・・・・レンズ保持枠、５・・・・・・固定
筒、７・・・・・・固定筒の直進溝、１０，１１・・・
・・・光学系のカムフォロワー、１３・・・・・・第１
光学系１の主カム面、１４・・・・・・第２光学系２の
主カム面、１３′・・・・・・第１光学系１の従カム面
、１４′・・・・・・第２光学系２の従カム面。FIG. 1 is a sectional view showing a part of the zoom lens. Figure 2 shows its development. FIG. 3 is a perspective view of the leaf spring section. Fourth
The figure is a perspective view of the present invention. 3.4...Lens holding frame, 5...Fixed barrel, 7...Fixed barrel straight groove, 10, 11...
...Optical system cam follower, 13...1st
Main cam surface of optical system 1, 14... Main cam surface of second optical system 2, 13'... Subordinate cam surface of first optical system 1, 14'... - Follower cam surface of the second optical system 2.
Claims (4)
動制御をカム部材とカムフォロワーによって行うズーム
レンズのカム機構において、移動光学系をカム部材のカ
ム部に圧接させる圧接手段を備えていることを特徴とす
るズームレンズのカム機構。(1) A cam mechanism for a zoom lens in which the movement of the moving optical system in the optical axis direction of the zoom lens is controlled by a cam member and a cam follower, including a pressure contact means for pressing the moving optical system against the cam portion of the cam member. A zoom lens cam mechanism featuring:
御を行う主のカム面と、前記圧接手段を主のカム面に沿
って従動する為の従のカム面を有することを特徴とする
実用新案登録請求の範囲第１項記載のズームレンズのカ
ム機構。(2) The cam member of the cam mechanism has a main cam surface for controlling the movement of the moving optical system, and a subordinate cam surface for moving the pressure contact means along the main cam surface. A cam mechanism for a zoom lens according to claim 1 of the utility model registration claim.
光学系を光軸方向に常接させるバネ部材を有することを
特徴とする実用新案登録請求の範囲第２項記載のズーム
レンズのカム機構。(3) The zoom lens cam according to claim 2, wherein the pressing means has a spring member that keeps the optical system moving along the main cam surface in constant contact with the optical axis direction. mechanism.
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２項記載のズームレンズのカム機構。(4) The cam mechanism for a zoom lens according to claim 2, wherein the cam surface of the mold and the subordinate cam surface are formed of equivalent cam surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14636184U JPS6098805U (en) | 1984-09-27 | 1984-09-27 | Zoom lens cam mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14636184U JPS6098805U (en) | 1984-09-27 | 1984-09-27 | Zoom lens cam mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6098805U true JPS6098805U (en) | 1985-07-05 |
Family
ID=30325806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14636184U Pending JPS6098805U (en) | 1984-09-27 | 1984-09-27 | Zoom lens cam mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6098805U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6433510A (en) * | 1987-07-30 | 1989-02-03 | Konishiroku Photo Ind | Lens barrel of zoom lens |
| JPH0227105U (en) * | 1988-08-05 | 1990-02-22 | ||
| JP2001318293A (en) * | 2000-05-09 | 2001-11-16 | Asahi Optical Co Ltd | Zoom-adjusting mechanism |
| JP2002196214A (en) * | 2000-12-27 | 2002-07-12 | Nitto Kogaku Kk | Lens driving structure |
| JP2006139026A (en) * | 2004-11-11 | 2006-06-01 | Olympus Corp | Variable power device |
| JP2009294267A (en) * | 2008-06-02 | 2009-12-17 | Canon Inc | Lens device and image projection apparatus |
| JP2013020254A (en) * | 2011-07-08 | 2013-01-31 | Leica Microsystems Cms Gmbh | Microscope objective |
| JP2013254050A (en) * | 2012-06-06 | 2013-12-19 | Canon Inc | Lens barrel and optical device employing the same |
| WO2017134938A1 (en) * | 2016-02-02 | 2017-08-10 | ソニー株式会社 | Optical element drive device, interchangeable lens, and image pickup device |
| JP2018028629A (en) * | 2016-08-19 | 2018-02-22 | 株式会社シグマ | Lens barrel |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3344685A (en) * | 1964-11-13 | 1967-10-03 | Roannais Constr Textiles | Cam follower |
-
1984
- 1984-09-27 JP JP14636184U patent/JPS6098805U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3344685A (en) * | 1964-11-13 | 1967-10-03 | Roannais Constr Textiles | Cam follower |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6433510A (en) * | 1987-07-30 | 1989-02-03 | Konishiroku Photo Ind | Lens barrel of zoom lens |
| JPH0227105U (en) * | 1988-08-05 | 1990-02-22 | ||
| JP2001318293A (en) * | 2000-05-09 | 2001-11-16 | Asahi Optical Co Ltd | Zoom-adjusting mechanism |
| JP2002196214A (en) * | 2000-12-27 | 2002-07-12 | Nitto Kogaku Kk | Lens driving structure |
| JP2006139026A (en) * | 2004-11-11 | 2006-06-01 | Olympus Corp | Variable power device |
| JP2009294267A (en) * | 2008-06-02 | 2009-12-17 | Canon Inc | Lens device and image projection apparatus |
| JP2013020254A (en) * | 2011-07-08 | 2013-01-31 | Leica Microsystems Cms Gmbh | Microscope objective |
| JP2013254050A (en) * | 2012-06-06 | 2013-12-19 | Canon Inc | Lens barrel and optical device employing the same |
| WO2017134938A1 (en) * | 2016-02-02 | 2017-08-10 | ソニー株式会社 | Optical element drive device, interchangeable lens, and image pickup device |
| CN108496105A (en) * | 2016-02-02 | 2018-09-04 | 索尼公司 | Optical device driving equipment, Interchangeable lens and imaging device |
| JPWO2017134938A1 (en) * | 2016-02-02 | 2018-11-29 | ソニー株式会社 | Optical element driving device, interchangeable lens, and imaging device |
| EP3413111A4 (en) * | 2016-02-02 | 2019-02-20 | Sony Corporation | Optical element drive device, interchangeable lens, and image pickup device |
| CN108496105B (en) * | 2016-02-02 | 2021-06-22 | 索尼公司 | Optical device driving apparatus, interchangeable lens, and imaging apparatus |
| JP2018028629A (en) * | 2016-08-19 | 2018-02-22 | 株式会社シグマ | Lens barrel |
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