JPH0247637U - - Google Patents
Info
- Publication number
- JPH0247637U JPH0247637U JP12469388U JP12469388U JPH0247637U JP H0247637 U JPH0247637 U JP H0247637U JP 12469388 U JP12469388 U JP 12469388U JP 12469388 U JP12469388 U JP 12469388U JP H0247637 U JPH0247637 U JP H0247637U
- Authority
- JP
- Japan
- Prior art keywords
- pin
- arm
- projection
- mirror
- attached
- 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 4
- 241001314298 Verbascum sinuatum Species 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Description
第１図は本考案実施例の断面図、第２図は本考
案実施例の支持機構を有するランプハウス斜視図
、第３図は本考案実施例の動作説明図、第４図は
第２図のＡ部を拡大した本考案実施例の支持機構
透視図、第５図は従来の折り畳み式ＯＨＰ装置全
体構成図、第６図は折り畳ん状態の従来のＯＨＰ
装置側面図、第７図は従来の投射ミラー部支持機
構説明図である。
１０……ステージ部、１２……アーム、１４…
…ランプハウス、１６……投射ミラー部、１７…
…投射ミラー、１８……枠体、２２……投射レン
ズ、２６……光源ランプ、３０……第１ピン、３
２……第２ピン、３４……水平長円穴、３６……
垂直長円穴、３８……波状板バネ。
Fig. 1 is a sectional view of an embodiment of the invention, Fig. 2 is a perspective view of a lamp house with a support mechanism of an embodiment of the invention, Fig. 3 is an explanatory diagram of the operation of an embodiment of the invention, and Fig. 4 is a diagram of the second embodiment of the invention. FIG. 5 is an overall configuration diagram of a conventional foldable OHP device, and FIG. 6 is a conventional OHP in a folded state.
A side view of the device, FIG. 7 is an explanatory diagram of a conventional projection mirror support mechanism. 10...Stage part, 12...Arm, 14...
...Lamp house, 16...Projection mirror section, 17...
...Projection mirror, 18... Frame, 22... Projection lens, 26... Light source lamp, 30... First pin, 3
2...Second pin, 34...Horizontal oblong hole, 36...
Vertical oval hole, 38... wavy leaf spring.
Claims (1)
たステージ部１０にアーム１２を回動自在に取付
け、該アーム１２の先端部に光源ランプ２６、投
射レンズ２２及び投射ミラー１７の設けられたラ
ンプハウス１４を取付けるとともに、解除可能な
ストツパ手段により前記アーム１２を所定角度で
支持するように構成した折り畳み式オーバヘツド
・プロジエクタ装置において、 投射ミラー１７を枠体１８に取付け、該枠体１
８の側部の下端部近傍に第１ピン３０を固着し、
該第１ピン３０から所定距離離間して第２ピン３
２を固着し、 ランプハウス１４に第１ピン３０を摺動案内す
る水平方向の第１長穴３４と第２ピン３２を摺動
案内する垂直方向の第２長穴３６を設けるととも
に、 投射ミラー１７を所望角度で支持する手段３８
を設けたことを特徴とする折り畳み式オーバヘツ
ド・プロジエクタ装置の投射ミラー支持機構。[Claims for Utility Model Registration] An arm 12 is rotatably attached to a stage section 10 provided with a Fresnel lens for condensing light and a reflecting plate, and a light source lamp 26, a projection lens 22, and a projection lens are attached to the tip of the arm 12. In a foldable overhead projector device configured to attach a lamp house 14 provided with a mirror 17 and to support the arm 12 at a predetermined angle by a releasable stopper means, the projection mirror 17 is attached to a frame 18, The frame 1
A first pin 30 is fixed near the lower end of the side part of 8,
A second pin 3 is spaced apart from the first pin 30 by a predetermined distance.
2, and a first elongated hole 34 in the horizontal direction for slidingly guiding the first pin 30 and a second elongated hole 36 in the vertical direction for slidingly guiding the second pin 32 in the lamp house 14, and a projection mirror. means 38 for supporting 17 at a desired angle;
A projection mirror support mechanism for a foldable overhead projector device, characterized in that it is provided with:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12469388U JPH0247637U (en) | 1988-09-26 | 1988-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12469388U JPH0247637U (en) | 1988-09-26 | 1988-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247637U true JPH0247637U (en) | 1990-03-30 |
Family
ID=31374651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12469388U Pending JPH0247637U (en) | 1988-09-26 | 1988-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0489938U (en) * | 1990-03-01 | 1992-08-05 |
-
1988
- 1988-09-26 JP JP12469388U patent/JPH0247637U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0489938U (en) * | 1990-03-01 | 1992-08-05 |
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