JPH025729U - - Google Patents
Info
- Publication number
- JPH025729U JPH025729U JP1988084734U JP8473488U JPH025729U JP H025729 U JPH025729 U JP H025729U JP 1988084734 U JP1988084734 U JP 1988084734U JP 8473488 U JP8473488 U JP 8473488U JP H025729 U JPH025729 U JP H025729U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- optical axis
- barrier
- axis direction
- ring
- 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
- 230000004888 barrier function Effects 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims 8
Landscapes
- Lens Barrels (AREA)
- Blocking Light For Cameras (AREA)
Description
第１図は、本考案に係るバリヤ装置付ズームレ
ンズの実施例を分解して示す斜視図、第２図およ
び第３図は、同実施例をレンズ案内環以外を縦断
して示す端面図であつて、第２図は収納状態、第
３図はワイド端状態をそれぞれ示す端面図、第４
図および第５図は、バリヤ部の要部を示す正面図
であつて、第４図は収納状態（閉状態）を、第５
図はワイド端状態（開状態）をそれぞれ示す正面
図、第６図はカム環、レンズ案内環および内側ヘ
リコイド環の展開図である。
１１…カメラボデイ、１２…固定筒、１２ａ…
レンズ案内環ガイド溝、１５，１６…移動レンズ
、１８…外側ヘリコイド環（内周ヘリコイド）、
２０…内側ヘリコイド環（外周ヘリコイド）、２
２…カム環、２２ａ…前群カム溝、２２ｂ…後群
カム溝、２４…レンズ案内環、２４ａ，２４ｂ…
レンズガイド溝、２４ｃ…バリヤ開閉カム溝、２
４ｄ…傾斜部（バリヤ開閉駆動部）、２６…直進
案内板、３０…前群レンズ枠、３２…シヤツタブ
ツク、３４…前群移動枠、３５，３６…ガイドピ
ン、３８…レンズカバー筒、４０…レンズバリヤ
、４３…中継リング、４３ａ…係合溝、４３ｃ…
中継係合片、４４…閉ばね、４５…駆動リング、
４５ａ…駆動腕、４５ｂ…切欠、４６…ピン、４
７…開ばね。
FIG. 1 is an exploded perspective view showing an embodiment of a zoom lens with a barrier device according to the present invention, and FIGS. 2 and 3 are end views showing the same embodiment longitudinally, excluding the lens guide ring. Fig. 2 is an end view showing the stored state, Fig. 3 is an end view showing the wide end state, and Fig. 4 is an end view showing the wide end state.
5 and 5 are front views showing the main parts of the barrier part, and FIG. 4 shows the stored state (closed state), and FIG.
The figures are front views showing the wide end state (open state), and FIG. 6 is a developed view of the cam ring, lens guide ring, and inner helicoid ring. 11...Camera body, 12...Fixed tube, 12a...
Lens guide ring guide groove, 15, 16... moving lens, 18... outer helicoid ring (inner circumferential helicoid),
20...Inner helicoid ring (outer helicoid), 2
2...Cam ring, 22a...Front group cam groove, 22b...Rear group cam groove, 24...Lens guide ring, 24a, 24b...
Lens guide groove, 24c...Barrier opening/closing cam groove, 2
4d... Inclined part (barrier opening/closing drive part), 26... Straight guide plate, 30... Front group lens frame, 32... Shutter tab, 34... Front group moving frame, 35, 36... Guide pin, 38... Lens cover tube, 40... Lens barrier, 43... Relay ring, 43a... Engagement groove, 43c...
Relay engagement piece, 44...closing spring, 45...drive ring,
45a... Drive arm, 45b... Notch, 46... Pin, 4
7...Open.
Claims (1)
；該固定筒に、回転に伴い光軸方向に移動するよ
うに支持されたカム環と；該カム環と光軸方向に
は一体に動き、かつカム環の光軸方向移動に伴い
該カム環に対し相対回転するレンズ案内環と；上
記カム環およびレンズ案内環に対して支持され、
これらの相対運動により所定の軌跡で光軸方向に
接離移動して、ズーム撮影区間においては焦点距
離を変え、収納区間においては収納位置と撮影可
能位置とに移動する少なくとも前後二群の移動レ
ンズと；該前群の移動レンズと共に光軸方向に移
動するレンズカバー筒と；該レンズカバー筒に設
けられ、前群の移動レンズ前方の撮影開口を開閉
するバリヤとを備え、 上記レンズカバー筒に、上記収納区間における
レンズ案内環とレンズカバー筒との相対運動によ
つてバリヤを開閉するバリヤ開閉機構を設けたこ
とを特徴とするバリヤ装置付ズームレンズ。 (2) 請求項１において、バリヤが、レンズカバ
ー筒に植設されたピンを介して光軸と直交する平
面内を回動可能に枢支された一対のバリヤからな
り、 バリヤ開閉機構が、光軸と直交する平面内を回
転して上記一対のバリヤを開閉するリング部材と
、レンズカバー筒とレンズ案内筒との光軸方向の
相対運動によつて上記リング部材を回動させる連
動部材とからなるバリヤ装置付ズームレンズ。[Claims for Utility Model Registration] (1) A fixed barrel fixed to the camera body; a cam ring supported on the fixed barrel so as to move in the optical axis direction as it rotates; a lens guide ring that moves integrally in the optical axis direction and rotates relative to the cam ring as the cam ring moves in the optical axis direction; supported with respect to the cam ring and the lens guide ring;
At least two groups of moving lenses, front and rear, move toward and away from each other in the optical axis direction along a predetermined trajectory by these relative movements, change the focal length in the zoom shooting section, and move between the storage position and the shooting possible position in the storage section. a lens cover tube that moves in the optical axis direction together with the moving lens of the front group; and a barrier that is provided on the lens cover tube and opens and closes a photographing aperture in front of the moving lens of the front group; A zoom lens with a barrier device, characterized in that a barrier opening/closing mechanism is provided which opens and closes the barrier by relative movement between the lens guide ring and the lens cover tube in the storage section. (2) In claim 1, the barrier comprises a pair of barriers pivotably supported in a plane perpendicular to the optical axis via a pin implanted in the lens cover tube, and the barrier opening/closing mechanism comprises: a ring member that rotates in a plane perpendicular to the optical axis to open and close the pair of barriers; and an interlocking member that rotates the ring member by relative movement in the optical axis direction between the lens cover tube and the lens guide tube. A zoom lens with a barrier device consisting of.
Priority Applications (34)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988084734U JPH0755546Y2 (en) | 1988-06-27 | 1988-06-27 | Zoom lens with barrier device |
| CA000601515A CA1331429C (en) | 1988-06-03 | 1989-06-01 | Zoom lens barrel and camera incorporating such barrel |
| AT89110047T ATE112862T1 (en) | 1988-06-03 | 1989-06-02 | DRIVE FOR A ZOOM LENS. |
| DE68928864T DE68928864T2 (en) | 1988-06-03 | 1989-06-02 | Flexible printed circuit board for one camera |
| EP94104979A EP0609912B1 (en) | 1988-06-03 | 1989-06-02 | Apparatus for selectively positioning a correcting optical element in a camera |
| AT94104980T ATE173838T1 (en) | 1988-06-03 | 1989-06-02 | FLEXIBLE PRINTED CIRCUIT BOARD FOR A CAMERA |
| EP89110047A EP0344806B1 (en) | 1988-06-03 | 1989-06-02 | Drive mechanism for a zoom lens |
| DE1989629135 DE68929135T2 (en) | 1988-06-03 | 1989-06-02 | Device for selectively opening and closing a photographic opening of a lens cover |
| AT94104979T ATE188554T1 (en) | 1988-06-03 | 1989-06-02 | DEVICE FOR SELECTIVE POSITIONING OF A CORRECTIVE OPTICAL ELEMENT IN A CAMERA |
| AT94104972T ATE188781T1 (en) | 1988-06-03 | 1989-06-02 | DEVICE FOR SELECTIVELY OPENING AND CLOSING A PHOTOGRAPHIC OPENING OF A LENS COVER |
| DE68918756T DE68918756T2 (en) | 1988-06-03 | 1989-06-02 | Drive for a zoom lens. |
| AT94104973T ATE184996T1 (en) | 1988-06-03 | 1989-06-02 | ZOOM LENS |
| EP94104973A EP0609911B1 (en) | 1988-06-03 | 1989-06-02 | Zoom lens |
| DE68929078T DE68929078T2 (en) | 1988-06-03 | 1989-06-02 | zoom lens |
| EP94104972A EP0609910B1 (en) | 1988-06-03 | 1989-06-02 | Apparatus for selectively opening and closing a photographic opening in a lens cover |
| US07/361,632 US5144493A (en) | 1988-06-03 | 1989-06-02 | Zoom lens barrel and camera incorporating such barrel |
| EP94104980A EP0609913B1 (en) | 1988-06-03 | 1989-06-02 | Flexible printed circuit board for a camera |
| DE1994622433 DE69422433T2 (en) | 1988-06-03 | 1989-06-02 | Device for the selective positioning of a corrective optical element in a camera |
| KR1019890007642A KR970002510B1 (en) | 1988-06-03 | 1989-06-03 | Joom lens barrel and camera incorporating such a barrel |
| AU36023/89A AU631796B2 (en) | 1988-06-03 | 1989-06-05 | Zoom lens barrel and camera incorporating such barrel |
| US07/829,211 US5231449A (en) | 1988-06-03 | 1992-01-31 | Zoom lens barrel and camera incorporating such barrel |
| US07/829,873 US5164757A (en) | 1988-06-03 | 1992-01-31 | Zoom lens barrel and camera incorporating such barrel |
| US07/829,213 US5262898A (en) | 1988-06-03 | 1992-01-31 | Zoom lens barrel and camera incorporating such barrel |
| US07/831,205 US5270868A (en) | 1988-06-03 | 1992-01-31 | Zoom lens barrel and camera incorporating such barrel |
| AU34045/93A AU645926B2 (en) | 1988-06-03 | 1993-03-08 | Zoom lens barrel and camera incorporating such barrel |
| AU34046/93A AU646196C (en) | 1988-06-03 | 1993-03-08 | Zoom lens barrel and camera incorporating such barrel |
| AU34044/93A AU650384B2 (en) | 1988-06-03 | 1993-03-08 | Zoom lens barrel and camera incorporating such barrel |
| AU34043/93A AU647986B2 (en) | 1988-06-03 | 1993-03-08 | Zoom lens barrel and camera incorporating such barrel |
| CA000616811A CA1337465C (en) | 1988-06-03 | 1994-01-31 | Zoom lens camera incorporating lens cover barriers |
| HK98100505A HK1001572A1 (en) | 1988-06-03 | 1998-01-20 | Drive mechanism for a zoom lens |
| HK98104017A HK1004866A1 (en) | 1988-06-03 | 1998-05-08 | Flexible printed circuit board for a camera |
| HK98104015A HK1004864A1 (en) | 1988-06-03 | 1998-05-08 | Apparatus for selectively positioning a correcting optical element in a camera |
| HK98104016A HK1004865A1 (en) | 1988-06-03 | 1998-05-08 | Zoom lens |
| HK98104018A HK1004867A1 (en) | 1988-06-03 | 1998-05-08 | Apparatus for selectively opening and closing a photographic opening in a lens cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988084734U JPH0755546Y2 (en) | 1988-06-27 | 1988-06-27 | Zoom lens with barrier device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH025729U true JPH025729U (en) | 1990-01-16 |
| JPH0755546Y2 JPH0755546Y2 (en) | 1995-12-20 |
Family
ID=31309414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988084734U Expired - Lifetime JPH0755546Y2 (en) | 1988-06-03 | 1988-06-27 | Zoom lens with barrier device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0755546Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60175038A (en) * | 1984-02-21 | 1985-09-09 | Nippon Kogaku Kk <Nikon> | Protective cover device for photographic lens |
| JPS62193229U (en) * | 1986-05-28 | 1987-12-08 |
-
1988
- 1988-06-27 JP JP1988084734U patent/JPH0755546Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60175038A (en) * | 1984-02-21 | 1985-09-09 | Nippon Kogaku Kk <Nikon> | Protective cover device for photographic lens |
| JPS62193229U (en) * | 1986-05-28 | 1987-12-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0755546Y2 (en) | 1995-12-20 |
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