JPH0241245U - - Google Patents
Info
- Publication number
- JPH0241245U JPH0241245U JP1988119638U JP11963888U JPH0241245U JP H0241245 U JPH0241245 U JP H0241245U JP 1988119638 U JP1988119638 U JP 1988119638U JP 11963888 U JP11963888 U JP 11963888U JP H0241245 U JPH0241245 U JP H0241245U
- Authority
- JP
- Japan
- Prior art keywords
- lens sheet
- transmission type
- flange portion
- tension mechanism
- tension
- 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 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988119638U JPH0241245U (en18) | 1988-09-12 | 1988-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988119638U JPH0241245U (en18) | 1988-09-12 | 1988-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241245U true JPH0241245U (en18) | 1990-03-22 |
Family
ID=31365039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988119638U Pending JPH0241245U (en18) | 1988-09-12 | 1988-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241245U (en18) |
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1988
- 1988-09-12 JP JP1988119638U patent/JPH0241245U/ja active Pending