JPH0420011U - - Google Patents
Info
- Publication number
- JPH0420011U JPH0420011U JP6231490U JP6231490U JPH0420011U JP H0420011 U JPH0420011 U JP H0420011U JP 6231490 U JP6231490 U JP 6231490U JP 6231490 U JP6231490 U JP 6231490U JP H0420011 U JPH0420011 U JP H0420011U
- Authority
- JP
- Japan
- Prior art keywords
- lens group
- magnification lens
- variable magnification
- movable
- movable variable
- 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 1
Landscapes
- Viewfinders (AREA)
- Lens Barrels (AREA)
Description
第１図は本考案に係るズームフアインダ装置を
示す分解斜視図、第２図はフアインダ下枠部分を
拡大して示す斜視図、第３図はズームフアインダ
装置を支持するカメラ本体の支持構造を示す斜視
図である。
９……フアインダケース、１０……駆動ギヤ列
（駆動機構）、１１……ズームフアインダ装置、
１２……フアインダ下枠、１３……フアインダ中
枠、１４……第１固定レンズ群、１５……フアイ
ンダ上枠、１６……レンズ枠、１７……レンズ案
内溝、１８……カムピン、１９……貫通孔、２０
……駆動シヤフト、２１……レンズ駆動ギヤ、２
３，２８……レンズ駆動ギヤ、レンズ駆動ウオー
ムギヤ（ウオームホイル機構）、２２，２６……
駆動カムレバー、レンズ駆動レバー（駆動機構）
、２４……引張スプリング（付勢手段）、２５…
…回動支点、２７……カム面、２９……案内溝、
３０……案内ピン、３３……可動変倍レンズ群、
３４……嵌合孔、３５……ガイドリブ、３７……
第２固定レンズ群、３９……レンズ枠、４０……
第３固定レンズ群、４１……レンズ枠、４２……
レンズ枠、４４……可動レンズホルダ、５０……
カメラ本体、５１……レンズ鏡筒、５２……測距
装置、５５……ねじ孔、５６……基板、５７……
位置決め孔、５８……固定用ブラケツト、５９…
…位置決めピン。
Fig. 1 is an exploded perspective view showing a zoom finder device according to the present invention, Fig. 2 is an enlarged perspective view showing the bottom frame of the finder, and Fig. 3 is a support structure of the camera body that supports the zoom finder device. FIG. 9...Finder case, 10...Drive gear train (drive mechanism), 11...Zoom finder device,
12...Finder lower frame, 13...Finder middle frame, 14...First fixed lens group, 15...Finder upper frame, 16...Lens frame, 17...Lens guide groove, 18...Cam pin, 19... ...Through hole, 20
... Drive shaft, 21 ... Lens drive gear, 2
3, 28... Lens drive gear, lens drive worm gear (worm wheel mechanism), 22, 26...
Drive cam lever, lens drive lever (drive mechanism)
, 24... tension spring (biasing means), 25...
...Rotation fulcrum, 27...Cam surface, 29...Guide groove,
30... Guide pin, 33... Movable variable magnification lens group,
34... Fitting hole, 35... Guide rib, 37...
Second fixed lens group, 39... Lens frame, 40...
Third fixed lens group, 41... Lens frame, 42...
Lens frame, 44...Movable lens holder, 50...
Camera body, 51... Lens barrel, 52... Distance measuring device, 55... Screw hole, 56... Board, 57...
Positioning hole, 58...Fixing bracket, 59...
…Positioning pin.
Claims (1)
ムフアインダ装置において、 上記固定レンズ群、可動変倍レンズ群、該可動
変倍レンズ群を光軸方向の前後いずれかに移動付
勢する付勢手段、および該可動変倍レンズ群を駆
動する駆動機構とを、ユニツト化されたフアイン
ダケースに支持し、 かつ該駆動機構中に、上記付勢手段に抗して、
可動変倍レンズ群を調整位置に保持するウオーム
ホイル機構を介在させたことを特徴とするカメラ
のズームフアインダ装置。[Scope of Claim for Utility Model Registration] In a zoom finder device having a fixed lens group and a movable variable magnification lens group, the fixed lens group, the movable variable magnification lens group, and the movable variable magnification lens group may be arranged at either the front or rear in the optical axis direction. A biasing means for biasing the movable magnification lens group to move and a drive mechanism for driving the movable variable magnification lens group are supported in a unitized viewfinder case, and a biasing member is provided in the drive mechanism against the biasing means. ,
A zoom finder device for a camera, characterized by interposing a worm wheel mechanism for holding a movable variable magnification lens group at an adjustment position.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6231490U JP2535048Y2 (en) | 1990-06-13 | 1990-06-13 | Camera zoom finder device |
| GB9111979A GB2245990B (en) | 1990-06-04 | 1991-06-04 | Zoom view finder |
| DE4118325A DE4118325C2 (en) | 1990-06-04 | 1991-06-04 | Variable focal length viewfinder |
| FR9106716A FR2662825B1 (en) | 1990-06-04 | 1991-06-04 | ZOOM SIGHT. |
| KR2019910008192U KR0117909Y1 (en) | 1990-06-04 | 1991-06-04 | Zoom view finder |
| US08/029,965 US5337109A (en) | 1990-06-04 | 1993-03-09 | Zoom view finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6231490U JP2535048Y2 (en) | 1990-06-13 | 1990-06-13 | Camera zoom finder device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0420011U true JPH0420011U (en) | 1992-02-19 |
| JP2535048Y2 JP2535048Y2 (en) | 1997-05-07 |
Family
ID=31591350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6231490U Expired - Fee Related JP2535048Y2 (en) | 1990-06-04 | 1990-06-13 | Camera zoom finder device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2535048Y2 (en) |
-
1990
- 1990-06-13 JP JP6231490U patent/JP2535048Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2535048Y2 (en) | 1997-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |