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
Application number
JP7478685U
Other languages
English (en)
Other versions
JPH0419532Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1985074786U priority Critical patent/JPH0419532Y2/ja
Publication of JPS61190543U publication Critical patent/JPS61190543U/ja
Application granted granted Critical
Publication of JPH0419532Y2 publication Critical patent/JPH0419532Y2/ja
Expired legal-status Critical Current

Links

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  • Overhead Projectors And Projection Screens (AREA)

Description

【図面の簡単な説明】
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。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光源と投影レンズとを内蔵するヘツドと、該ヘ
    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。
JP1985074786U 1985-05-20 1985-05-20 Expired JPH0419532Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985074786U JPH0419532Y2 (ja) 1985-05-20 1985-05-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985074786U JPH0419532Y2 (ja) 1985-05-20 1985-05-20

Publications (2)

Publication Number Publication Date
JPS61190543U true JPS61190543U (ja) 1986-11-27
JPH0419532Y2 JPH0419532Y2 (ja) 1992-05-01

Family

ID=30615401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985074786U Expired JPH0419532Y2 (ja) 1985-05-20 1985-05-20

Country Status (1)

Country Link
JP (1) JPH0419532Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01171446U (ja) * 1988-05-16 1989-12-05
JPH01171445U (ja) * 1988-05-16 1989-12-05

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6046545U (ja) * 1983-09-06 1985-04-02 富士写真フイルム株式会社 オ−バヘッドプロジェクタのミラ−フレネル板取付構造

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6046545U (ja) * 1983-09-06 1985-04-02 富士写真フイルム株式会社 オ−バヘッドプロジェクタのミラ−フレネル板取付構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01171446U (ja) * 1988-05-16 1989-12-05
JPH01171445U (ja) * 1988-05-16 1989-12-05

Also Published As

Publication number Publication date
JPH0419532Y2 (ja) 1992-05-01

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