JPH0359778U - - Google Patents
Info
- Publication number
- JPH0359778U JPH0359778U JP12024289U JP12024289U JPH0359778U JP H0359778 U JPH0359778 U JP H0359778U JP 12024289 U JP12024289 U JP 12024289U JP 12024289 U JP12024289 U JP 12024289U JP H0359778 U JPH0359778 U JP H0359778U
- Authority
- JP
- Japan
- Prior art keywords
- optical axis
- convex portion
- axis direction
- rotating cylinder
- lens barrel
- 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 description 5
Landscapes
- Viewfinders (AREA)
- Lens Barrels (AREA)
Description
図面は本考案の一実施例を示したものであつて
、第１図は視度調整装置の分解斜視図、第２図は
視度調整装置の組立て完了状態の側面図、第３図
は第２図の−矢視での断面図、第４図は第２
図の−矢視での断面図、第５図は分割円筒の
結合構造を示す拡大断面図、第６図は分割円筒と
回転リングの結合構造を示す拡大断面図、第７図
はクリツク機構を示す拡大側面図、第８図はポー
タブル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、５
……ビユーフアインダー、１０……視度調整装置
、１１……レンズ、１４……鏡筒、１５……フラ
ンジ部、１８……直線溝（ガイド機構）、２１…
…被ガイド突起、２３……回転円筒、２６……ラ
セン溝（ガイド機構）、３５……回転リング（回
転円筒の端部）、４５……クリツク機構、４６…
…弾性片、４７……凸部、４８……凹部、ａ……
光軸方向、である。
The drawings show one embodiment of the present invention, in which Fig. 1 is an exploded perspective view of the diopter adjustment device, Fig. 2 is a side view of the diopter adjustment device in a completed state, and Fig. 3 is a side view of the diopter adjustment device in a completed state. A cross-sectional view taken in the - arrow direction in Figure 2, and Figure 4 is a cross-sectional view of the
5 is an enlarged sectional view showing the joint structure of the divided cylinders, FIG. 6 is an enlarged sectional view showing the joint structure of the divided cylinders and the rotating ring, and FIG. 7 is a sectional view of the click mechanism. The enlarged side view shown in FIG. 8 is a perspective view of the entire portable video camera. In addition, in the symbols used in the drawings, 5
... Viewfinder, 10 ... Diopter adjustment device, 11 ... Lens, 14 ... Lens barrel, 15 ... Flange section, 18 ... Straight groove (guide mechanism), 21 ...
... Guided projection, 23 ... Rotating cylinder, 26 ... Spiral groove (guide mechanism), 35 ... Rotating ring (end of rotating cylinder), 45 ... Click mechanism, 46 ...
...Elastic piece, 47...Convex portion, 48...Concave portion, a...
in the optical axis direction.
Claims (1)
用レンズと、その鏡筒の外部に回転自在に配置さ
れた回転円筒と、その回転円筒の回転によつて上
記レンズを光軸方向に移動調整するガイド機構と
を具備し、 上記回転円筒の端部と、上記鏡筒の端部外周に
設けられて上記回転円筒の端部が光軸方向から対
向されるフランジ部とを有し、これらの何れか一
方の側に設けられて光軸方向に弾性変位可能に構
成された凸部と、他方の側に円周方向に沿つて設
けられて上記凸部が弾性的に係合される複数の凹
部とによつて構成されたクリツク機構を設け、 上記回転円筒の回転時に、上記凸部を上記複数
の凹部に順次弾性的に係合させて、その回転円筒
の円周方向の位置決めを行うように構成したこと
を特徴とするビユーフアインダーの視度調整装置
。[Scope of Claim for Utility Model Registration] A lens barrel, a diopter adjusting lens disposed inside the lens barrel, a rotary cylinder rotatably disposed outside the lens barrel, and a rotation of the rotary cylinder. Therefore, a guide mechanism is provided for moving and adjusting the lens in the optical axis direction, and the guide mechanism is provided at the end of the rotating cylinder and on the outer periphery of the end of the lens barrel so that the end of the rotating cylinder faces each other from the optical axis direction. a convex portion provided on one side of these and configured to be elastically displaceable in the optical axis direction; and a convex portion provided along the circumferential direction on the other side of the convex portion and configured to be elastically displaceable in the optical axis direction. a click mechanism configured by a plurality of recesses to which portions are elastically engaged; and when the rotating cylinder is rotated, the convex portion is elastically engaged with the plurality of recesses one after another; A diopter adjustment device for a viewfinder, characterized in that it is configured to position a rotating cylinder in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12024289U JPH0728778Y2 (en) | 1989-10-14 | 1989-10-14 | Viewfinder's diopter adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12024289U JPH0728778Y2 (en) | 1989-10-14 | 1989-10-14 | Viewfinder's diopter adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0359778U true JPH0359778U (en) | 1991-06-12 |
| JPH0728778Y2 JPH0728778Y2 (en) | 1995-06-28 |
Family
ID=31668327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12024289U Expired - Fee Related JPH0728778Y2 (en) | 1989-10-14 | 1989-10-14 | Viewfinder's diopter adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0728778Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005300887A (en) * | 2004-04-12 | 2005-10-27 | Nidec Copal Corp | Lens driving device |
| JP2007025579A (en) * | 2005-07-21 | 2007-02-01 | Nitto Kogaku Kk | Lens holding unit |
-
1989
- 1989-10-14 JP JP12024289U patent/JPH0728778Y2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005300887A (en) * | 2004-04-12 | 2005-10-27 | Nidec Copal Corp | Lens driving device |
| JP2007025579A (en) * | 2005-07-21 | 2007-02-01 | Nitto Kogaku Kk | Lens holding unit |
| JP4674130B2 (en) * | 2005-07-21 | 2011-04-20 | 日東光学株式会社 | Lens holding unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0728778Y2 (en) | 1995-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5917411U (en) | zoom lens barrel | |
| JPH0359778U (en) | ||
| JPH02113214A (en) | Lens moving device | |
| JPH03129912U (en) | ||
| JPH0359774U (en) | ||
| JPS6368618U (en) | ||
| JPH03125339U (en) | ||
| JPS61190515U (en) | ||
| JPS6370519U (en) | ||
| JPS612612U (en) | Zoom lens focus adjustment mechanism | |
| JPS6388811U (en) | ||
| JPS61121412U (en) | ||
| JPH0745067Y2 (en) | Crest drive | |
| JPS61132809U (en) | ||
| JPS6037532Y2 (en) | zoom lens barrel | |
| JPS6241289Y2 (en) | ||
| JPH0342414Y2 (en) | ||
| JPH03130676U (en) | ||
| JPH0342109U (en) | ||
| JPH01139208U (en) | ||
| JPH0457806U (en) | ||
| JPH025712U (en) | ||
| JPS62140512U (en) | ||
| JPS6230221U (en) | ||
| JPH02867U (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |