JPS61190543U - - Google Patents
Info
- Publication number
- JPS61190543U JPS61190543U JP7478685U JP7478685U JPS61190543U JP S61190543 U JPS61190543 U JP S61190543U JP 7478685 U JP7478685 U JP 7478685U JP 7478685 U JP7478685 U JP 7478685U JP S61190543 U JPS61190543 U JP S61190543U
- Authority
- JP
- Japan
- Prior art keywords
- support
- head
- fresnel lens
- supports
- swing
- 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
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Description
第1図は本考案を適用した反射式OHPの一実
施例を示す斜視図、第2図は本考案に係る折たた
み機構を示す部分断面図、第3図は本考案のOH
Pの不使用の折りたたまれた状態を示す縦断面図
でさる。
1……基台、2……カバー、3……フレネルレ
ンズ、4……支柱、5……ヘツド、8……基板、
10……ピン、11……レバー、13……連接桿
、14……バネ、15……ストツパー、16……
支持部材。
Fig. 1 is a perspective view showing an embodiment of the reflective OHP to which the present invention is applied, Fig. 2 is a partial sectional view showing the folding mechanism according to the present invention, and Fig. 3 is a perspective view showing an embodiment of the OHP of the present invention.
This is a vertical sectional view showing the folded state of P when not in use. 1... Base, 2... Cover, 3... Fresnel lens, 4... Support, 5... Head, 8... Board,
10... Pin, 11... Lever, 13... Connecting rod, 14... Spring, 15... Stopper, 16...
Support member.
Claims (1)
ツドを支持する支柱と、該支柱を一側部において
揺動可能に支持すると共に中央部においてフレネ
ルレンズを保持する基台とを有する反射式オーバ
ーヘツドプロジエクターにおいて、上記フレネル
レンズを支持しこれを投影位置又は収納位置へ移
動せしめる支持部材と、上記支柱の揺動に連動し
て上記支持部材の揺動を制御する制御部材とを具
備し、上記支柱の起立時及び折りたたみ時に夫々
対応して上記フレネルレンズを上記投影位置又は
収納位置へ保持せしめるようにしたことを特徴と
する反射式オーバーヘツドプロジエクター。 A reflective overhead head that includes a head that contains a light source and a projection lens, a support that supports the head, and a base that swingably supports the support on one side and holds a Fresnel lens in the center. The projector includes a support member that supports the Fresnel lens and moves it to a projection position or a storage position, and a control member that controls the swing of the support member in conjunction with the swing of the support column, A reflective overhead projector characterized in that the Fresnel lens is held in the projection position or the storage position corresponding to when the support is raised and folded.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985074786U JPH0419532Y2 (en) | 1985-05-20 | 1985-05-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985074786U JPH0419532Y2 (en) | 1985-05-20 | 1985-05-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61190543U true JPS61190543U (en) | 1986-11-27 |
JPH0419532Y2 JPH0419532Y2 (en) | 1992-05-01 |
Family
ID=30615401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985074786U Expired JPH0419532Y2 (en) | 1985-05-20 | 1985-05-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0419532Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01171446U (en) * | 1988-05-16 | 1989-12-05 | ||
JPH01171445U (en) * | 1988-05-16 | 1989-12-05 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6046545U (en) * | 1983-09-06 | 1985-04-02 | 富士写真フイルム株式会社 | Mirror Fresnel plate mounting structure for overhead projector |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6046545B2 (en) * | 1980-05-16 | 1985-10-16 | 日本電気株式会社 | Complementary MOS storage circuit device |
-
1985
- 1985-05-20 JP JP1985074786U patent/JPH0419532Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6046545U (en) * | 1983-09-06 | 1985-04-02 | 富士写真フイルム株式会社 | Mirror Fresnel plate mounting structure for overhead projector |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01171446U (en) * | 1988-05-16 | 1989-12-05 | ||
JPH01171445U (en) * | 1988-05-16 | 1989-12-05 |
Also Published As
Publication number | Publication date |
---|---|
JPH0419532Y2 (en) | 1992-05-01 |
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