JPH01136928U - - Google Patents
Info
- Publication number
- JPH01136928U JPH01136928U JP3281888U JP3281888U JPH01136928U JP H01136928 U JPH01136928 U JP H01136928U JP 3281888 U JP3281888 U JP 3281888U JP 3281888 U JP3281888 U JP 3281888U JP H01136928 U JPH01136928 U JP H01136928U
- Authority
- JP
- Japan
- Prior art keywords
- bracket
- eyepiece
- rotates
- worm gear
- rack gear
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Viewfinders (AREA)
Description
第１図ａは、本考案の一実施例を示すフアイン
ダケースの縦断面図、第１図ｂは第１図内のＡ―
Ａ断面を示す断面図、第２図ａは、従来の視度調
節機構を有するフアインダケースの縦断面図、第
２図ｂ及びｃは、第２図ａに示された視度調節機
構の作動を示す図、第３図は、従来の視度調節機
構の他の例を有するフアインダケースの縦断面図
である。
３……フアインダレンズ、４，４′，４″……
レンズブラケツト、６，６′……ラツクギア、８
，８′……回転ノブ、９……ウオームギア、１０
……シヤフト。
FIG. 1a is a longitudinal cross-sectional view of a finder case showing an embodiment of the present invention, and FIG. 1b is A--A in FIG.
A sectional view showing section A; FIG. 2a is a vertical sectional view of a finder case with a conventional diopter adjustment mechanism; FIGS. 2b and c are views of the diopter adjustment mechanism shown in FIG. 2a. FIG. 3, a diagram showing the operation, is a longitudinal sectional view of a viewfinder case having another example of the conventional diopter adjustment mechanism. 3...Finder lens, 4, 4', 4''...
Lens bracket, 6, 6'...Rack gear, 8
, 8'... Rotation knob, 9... Worm gear, 10
...shaft.
Claims (1)
線移動するブラケツトと、前記ラツクギアに係合
し前記ブラケツトの移動方向とは異なる方向に回
転するウオームギアと、前記ウオームギアを回転
させる機構とを備えたことを特徴とする視度調節
機構。 The eyepiece is characterized in that it is provided with a rack gear, a bracket that holds the eyepiece and moves in a straight line, a worm gear that engages with the rack gear and rotates in a direction different from the moving direction of the bracket, and a mechanism that rotates the worm gear. Diopter adjustment mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3281888U JPH01136928U (en) | 1988-03-11 | 1988-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3281888U JPH01136928U (en) | 1988-03-11 | 1988-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01136928U true JPH01136928U (en) | 1989-09-19 |
Family
ID=31259402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3281888U Pending JPH01136928U (en) | 1988-03-11 | 1988-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01136928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0420010U (en) * | 1990-06-13 | 1992-02-19 | ||
| WO2015030099A1 (en) * | 2013-08-30 | 2015-03-05 | ブラザー工業株式会社 | Image display device, and head-mounted display |
-
1988
- 1988-03-11 JP JP3281888U patent/JPH01136928U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0420010U (en) * | 1990-06-13 | 1992-02-19 | ||
| WO2015030099A1 (en) * | 2013-08-30 | 2015-03-05 | ブラザー工業株式会社 | Image display device, and head-mounted display |
| US9874757B2 (en) | 2013-08-30 | 2018-01-23 | Brother Kogyo Kabushiki Kaisha | Image display apparatus and head mount display |
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