JPH0248942U - - Google Patents
Info
- Publication number
- JPH0248942U JPH0248942U JP1988128350U JP12835088U JPH0248942U JP H0248942 U JPH0248942 U JP H0248942U JP 1988128350 U JP1988128350 U JP 1988128350U JP 12835088 U JP12835088 U JP 12835088U JP H0248942 U JPH0248942 U JP H0248942U
- Authority
- JP
- Japan
- Prior art keywords
- weight
- flange portion
- screen
- lens sheet
- lens
- 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
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Description
第１図〜第３図は、本考案による透過形スクリ
ーンの実施例を示した図であつて、第１図は全体
図、第２図は固定支持側を示した図、第３図は可
動支持側を示した図である。第４図〜第８図は、
本考案による透過形スクリーンの実施例に使用さ
れる重錘の配置をそれぞれ説明した図である。第
９図〜第１０図は、透過形スクリーンの従来例を
示した図であつて、第９図は全体図、第１０図ａ
は単純固定支持側を示した図、第１０図ｂは可動
テンシヨン支持側を示した図である。
１……透過形スクリーン、２……レンズシート
、３……支持体、４〜８……テンシヨン機構、４
１，４２，〜，８１，８２……吊下棒、４５〜４
６，〜，８５，８６……重錘。
Figures 1 to 3 are diagrams showing an embodiment of a transparent screen according to the present invention, in which Figure 1 is an overall view, Figure 2 is a view showing the fixed support side, and Figure 3 is a movable screen. It is a figure showing the supporting side. Figures 4 to 8 are
FIG. 4 is a diagram illustrating the arrangement of weights used in an embodiment of the transmission screen according to the present invention. 9 to 10 are diagrams showing conventional examples of transmission type screens, in which FIG. 9 is an overall view, and FIG. 10 is a
10b shows the simply fixed support side, and FIG. 10b shows the movable tension support side. 1...Transmissive screen, 2...Lens sheet, 3...Support, 4-8...Tension mechanism, 4
1,42,~,81,82...hanging rod, 45~4
6, ~, 85, 86... Weight.
Claims (1)
ンズシートと、前記レンズシートの上側のフラン
ジ部を固定支持し下側のフランジ部を可動支持す
る支持体とからなる透過形スクリーンにおいて、
前記各レンズシートの可動支持側のフランジ部に
一定間隔毎に吊下棒を設けそれらの吊下棒に重錘
を吊り下げたテンシヨン機構を設けたことを特徴
とする透過形スクリーン。 (2) 前記重錘は、各レンズシートの隣接する２
本の吊下棒に吊り下げることを特徴とする請求項
(1)記載の透過形スクリーン。 (3) 前記重錘は、組み合わされる他のレンズシ
ートの重錘と干渉することのない形状であること
を特徴とする請求項(2)記載の透過形スクリーン
。 (4) 前記重錘は、前記支持体の幅の範囲内に納
まつていることを特徴とする請求項(2)または(3)
記載の透過形スクリーン。[Claims for Utility Model Registration] (1) A plurality of lens sheets each having a flange portion on the outer periphery, and a support member that fixedly supports the upper flange portion of the lens sheet and movably supports the lower flange portion. In a transparent screen consisting of
A transmission screen characterized in that hanging rods are provided at regular intervals on the flange portion of the movable support side of each of the lens sheets, and a tension mechanism is provided in which a weight is suspended from the hanging rods. (2) The weight is used for two adjacent lens sheets of each lens sheet.
A claim characterized in that the book is hung from a hanging rod.
(1) Transmissive screen as described. (3) The transmission screen according to claim (2), wherein the weight has a shape that does not interfere with the weight of another lens sheet to be combined. (4) Claim (2) or (3) characterized in that the weight is contained within a width of the support body.
Transparent screen as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988128350U JPH0248942U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988128350U JPH0248942U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0248942U true JPH0248942U (en) | 1990-04-05 |
Family
ID=31381610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988128350U Pending JPH0248942U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248942U (en) |
-
1988
- 1988-09-30 JP JP1988128350U patent/JPH0248942U/ja active Pending