JPH02868U - - Google Patents
Info
- Publication number
- JPH02868U JPH02868U JP7799488U JP7799488U JPH02868U JP H02868 U JPH02868 U JP H02868U JP 7799488 U JP7799488 U JP 7799488U JP 7799488 U JP7799488 U JP 7799488U JP H02868 U JPH02868 U JP H02868U
- Authority
- JP
- Japan
- Prior art keywords
- outer casing
- ring
- retaining ring
- grooves
- guide tube
- 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
Description
図面は本考案の一実施例を示したものであつて
、第１Ａ図〜第１Ｃ図は要部を示した一部切欠き
斜視図、第２Ａ図及び第２Ｂ図は要部を示した一
部切欠き側面図、第３図はビユーフアインダ装置
全体の分解斜視図、第４図はビユーフアインダ装
置全体の中央縦断面図、第５図は第４図の―
矢視での断面図、第６図はビデオカメラ全体の斜
視図である。
また、図面に用いられている符号において、１
…ビデオカメラ、４…ビユーフアインダ装置、１
１…レンズ、１２…保持リング、１３…ガイドピ
ン、１６…ガイド筒、１６ａ…ガイド筒の一端、
１７…ラセン溝、１７ａ…ラセン溝の開放端、２
７…フイルターリング、３１…補助リング、３５
…外筐、４０…直線溝、４０ａ…直線溝の開放端
、４６…係止部、４７…被係止部、である。
The drawings show one embodiment of the present invention, and FIGS. 1A to 1C are partially cutaway perspective views showing the main parts, and FIGS. 2A and 2B are perspective views showing the main parts. 3 is an exploded perspective view of the entire viewfinder device, FIG. 4 is a central longitudinal cross-sectional view of the entire viewfinder device, and FIG. 5 is a cross-sectional view of the entire viewfinder device.
A sectional view taken in the direction of arrows, and FIG. 6 is a perspective view of the entire video camera. In addition, in the symbols used in the drawings, 1
...video camera, 4...viewfinder device, 1
DESCRIPTION OF SYMBOLS 1... Lens, 12... Retaining ring, 13... Guide pin, 16... Guide tube, 16a... One end of guide tube,
17... Spiral groove, 17a... Open end of helical groove, 2
7... Filter ring, 31... Auxiliary ring, 35
...outer casing, 40...straight groove, 40a...open end of linear groove, 46...locking part, 47...locked part.
Claims (1)
ンズを備え、該レンズを保持した保持リングを外
筐内で回転自在のガイド筒内に配置させ、上記保
持リングの外周に設けた複数のガイドピンを上記
ガイド筒に設けた複数のラセン溝を貫通して該ガ
イド筒より外側に固定状態で設けられた複数の直
線溝に嵌合させ、上記ガイド筒の回転に伴う上記
複数のラセン溝及び直線溝による上記複数のガイ
ドピンの送り作用によつて、上記レンズを上記外
筐内で光軸方向に移動調整するように構成したビ
デオカメラのビユーフアインダ装置において、 上記ガイド筒の一端側で上記複数のラセン溝及
び直線溝の一端を開放させた開放端に形成し、上
記外筐の端部にフイルターリングを脱着可能に取
付け、該フイルターリング又はこれに取付けられ
た補助リングに設けた係止部を上記保持リングに
設けた被係止部に係合、離脱自在に構成し、 上記複数のガイドピンを上記複数のラセン溝及
び直線溝の開放端へ移動させた後に上記フイルタ
ーリングを上記外筐から取外す際に、上記係止部
を上記被係止部に係止させて、上記フイルターリ
ングと一緒に上記保持リングを上記外筐外へ抜取
り得るように構成したことを特徴とするビデオカ
メラのビユーフアインダ装置。[Claim for Utility Model Registration] A retaining ring that holds the lens is provided with a lens for magnifying an image captured by a video camera, and is disposed within a rotatable guide cylinder within an outer casing, and the outer periphery of the retaining ring is A plurality of guide pins provided on the guide tube pass through a plurality of helical grooves provided on the guide tube and fit into a plurality of straight grooves fixedly provided outside the guide tube, and as the guide tube rotates. In the view finder device for a video camera configured to move and adjust the lens in the optical axis direction within the outer casing by the feeding action of the plurality of guide pins by the plurality of helical grooves and linear grooves, one end of the plurality of helical grooves and linear grooves are formed as an open end, and a filter ring is removably attached to the end of the outer casing, and the filter ring or an auxiliary ring attached thereto; The locking part provided on the retaining ring is configured to be able to engage with and detach from the locked part provided on the retaining ring, and after moving the plurality of guide pins to the open ends of the plurality of helical grooves and linear grooves, When the filter ring is removed from the outer casing, the locking portion is locked to the locked portion so that the retaining ring can be pulled out of the outer casing together with the filter ring. Features: Video camera viewfinder device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7799488U JPH0546379Y2 (en) | 1988-06-13 | 1988-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7799488U JPH0546379Y2 (en) | 1988-06-13 | 1988-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02868U true JPH02868U (en) | 1990-01-05 |
| JPH0546379Y2 JPH0546379Y2 (en) | 1993-12-03 |
Family
ID=31302945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7799488U Expired - Lifetime JPH0546379Y2 (en) | 1988-06-13 | 1988-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0546379Y2 (en) |
-
1988
- 1988-06-13 JP JP7799488U patent/JPH0546379Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0546379Y2 (en) | 1993-12-03 |
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