JPS6046545U - Mirror Fresnel plate mounting structure for overhead projector - Google Patents

Mirror Fresnel plate mounting structure for overhead projector

Info

Publication number
JPS6046545U
JPS6046545U JP13802083U JP13802083U JPS6046545U JP S6046545 U JPS6046545 U JP S6046545U JP 13802083 U JP13802083 U JP 13802083U JP 13802083 U JP13802083 U JP 13802083U JP S6046545 U JPS6046545 U JP S6046545U
Authority
JP
Japan
Prior art keywords
mirror
board
mirror fresnel
fresnel
mounting structure
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
JP13802083U
Other languages
Japanese (ja)
Other versions
JPH0216349Y2 (en
Inventor
江村　文介
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP13802083U priority Critical patent/JPS6046545U/en
Priority to US06/645,965 priority patent/US4588271A/en
Publication of JPS6046545U publication Critical patent/JPS6046545U/en
Application granted granted Critical
Publication of JPH0216349Y2 publication Critical patent/JPH0216349Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本実施例に係るオーバヘッドプロジェクタの組
立寥了状態を示す側面図、第２図は本実施例の正面図、
第３図は本実施例の要部を示す拡大断面図、第４図は第
３図上ＩＶ−ＩＶ線に沿う断面図、第５図は本実施例に
係るオーバヘッドプロジェクタに於いて投影ユニットを
折畳んだ状態を示す断面図、第６図は本実施例に係るオ
ーバヘッドプロジェクタに於いてケース内にオーバヘッ
ドプロジェクタを収納した状態を示す断面図である。 １０・・・箱体、１２．１６・・・蓋半体、２０・・・
支柱、２２・・・投影ユニット、２６・・・光源、２８
・・・ミラー、３０・・・投影レンズ、３２・・・方向
変換ミラー、３６・・・基盤、４０・・・ミラーフレネ
ル板、４２・・・係止具、５２・・・揺動レバー、６２
・・・可動レバー、６８・・・底板、７４・・・突片、
７６・・・第１当接部、７８・・・第２当接部。FIG. 1 is a side view showing the assembled state of the overhead projector according to the present embodiment, and FIG. 2 is a front view of the present embodiment.
FIG. 3 is an enlarged sectional view showing the main parts of this embodiment, FIG. 4 is a sectional view taken along the line IV-IV in FIG. 3, and FIG. FIG. 6 is a sectional view showing the overhead projector according to the present embodiment in a state where the overhead projector is housed in a case. 10... Box body, 12.16... Lid half body, 20...
Post, 22... Projection unit, 26... Light source, 28
... Mirror, 30 ... Projection lens, 32 ... Direction conversion mirror, 36 ... Base, 40 ... Mirror Fresnel plate, 42 ... Locking tool, 52 ... Swing lever, 62
...Movable lever, 68...Bottom plate, 74...Protrusion piece,
76... First contact portion, 78... Second contact portion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ミラーフレネル板の上方に位置する光源からミラーフレ
ネル板を照射して光源側に反射させ、この反射光を投影
レンズ、方向変換ミラーを介してスクリーン上に被投影
物を拡大投影するようになし、折畳んで携帯可能とした
反射式オーバヘッドプロジェクタに於いて、ミラーフレ
ネル板の一方側を側端に枢支する収納ケースと、ミラー
フレネル板の他方側を支持してミラーフレネル板を水平
位置に支えると共にミラーフレネル板に対して係脱可能
な係止具と、折畳み時に直接若しくは連結機構を介して
係止具をミラ−フレネル板から外す係止解除部材とを有
することを特徴とするミラーフレネル板の取付構造。The mirror Fresnel plate is irradiated with light from a light source located above the mirror Fresnel plate and reflected toward the light source, and the reflected light is used to enlarge and project an object onto a screen via a projection lens and a direction conversion mirror, In a reflective overhead projector that is foldable and portable, there is a storage case that pivots one side of the mirror Fresnel board to the side end, and a storage case that supports the other side of the mirror Fresnel board to support the mirror Fresnel board in a horizontal position. A mirror Fresnel board, characterized in that it has a locking tool that can be engaged and detached from the mirror Fresnel board, and a lock release member that releases the locking tool from the mirror Fresnel board directly or through a connecting mechanism when folded. mounting structure.
JP13802083U 1983-09-02 1983-09-06 Mirror Fresnel plate mounting structure for overhead projector Granted JPS6046545U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP13802083U JPS6046545U (en) 1983-09-06 1983-09-06 Mirror Fresnel plate mounting structure for overhead projector
US06/645,965 US4588271A (en) 1983-09-02 1984-08-31 Overhead projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13802083U JPS6046545U (en) 1983-09-06 1983-09-06 Mirror Fresnel plate mounting structure for overhead projector

Publications (2)

Publication Number Publication Date
JPS6046545U true JPS6046545U (en) 1985-04-02
JPH0216349Y2 JPH0216349Y2 (en) 1990-05-07

Family

ID=30309821

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13802083U Granted JPS6046545U (en) 1983-09-02 1983-09-06 Mirror Fresnel plate mounting structure for overhead projector

Country Status (1)

Country Link
JP (1) JPS6046545U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61190543U (en) * 1985-05-20 1986-11-27
JPH01171445U (en) * 1988-05-16 1989-12-05

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4514550Y1 (en) * 1967-06-03 1970-06-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4514550Y1 (en) * 1967-06-03 1970-06-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61190543U (en) * 1985-05-20 1986-11-27
JPH01171445U (en) * 1988-05-16 1989-12-05

Also Published As

Publication number Publication date
JPH0216349Y2 (en) 1990-05-07

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