JPH0185826U - - Google Patents
Info
- Publication number
- JPH0185826U JPH0185826U JP18203387U JP18203387U JPH0185826U JP H0185826 U JPH0185826 U JP H0185826U JP 18203387 U JP18203387 U JP 18203387U JP 18203387 U JP18203387 U JP 18203387U JP H0185826 U JPH0185826 U JP H0185826U
- Authority
- JP
- Japan
- Prior art keywords
- lenses
- stacked
- view
- clamped
- edges
- 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
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Description
図面は本考案に関するスクリーンの一実施例を
示し、第１図は裏面側から見た組立後の全体斜視
図、第２図は組立前の全体斜視図、第３図は部分
断面図、第４図及び第５図は従来例を示し、第４
図は部分斜視図、第５図は部分断面図である。
１……スクリーン、２……レンズ、３……レン
チキラーレンズ、４……フレネルレンズ、６……
枠体、７……挿入部、９……ねじ。
The drawings show one embodiment of the screen according to the present invention, and FIG. 1 is a perspective view of the entire screen after assembly as seen from the back side, FIG. 2 is a perspective view of the entire screen before assembly, FIG. 3 is a partial sectional view, and FIG. Figures 5 and 5 show conventional examples;
The figure is a partial perspective view, and FIG. 5 is a partial sectional view. 1... Screen, 2... Lens, 3... Wrench killer lens, 4... Fresnel lens, 6...
Frame body, 7...insertion part, 9...screw.
Claims (1)
たレンズの縁部を凹状の挿入部が形成された枠体
に挟持状態で固定したことを特徴とするスクリー
ン。 A screen characterized in that a plurality of lenses are stacked, and the edges of the stacked lenses are clamped and fixed to a frame in which a concave insertion portion is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18203387U JPH0185826U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18203387U JPH0185826U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0185826U true JPH0185826U (en) | 1989-06-07 |
Family
ID=31473492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18203387U Pending JPH0185826U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0185826U (en) |
-
1987
- 1987-11-30 JP JP18203387U patent/JPH0185826U/ja active Pending