JPS6343461Y2 - - Google Patents
Info
- Publication number
- JPS6343461Y2 JPS6343461Y2 JP3297179U JP3297179U JPS6343461Y2 JP S6343461 Y2 JPS6343461 Y2 JP S6343461Y2 JP 3297179 U JP3297179 U JP 3297179U JP 3297179 U JP3297179 U JP 3297179U JP S6343461 Y2 JPS6343461 Y2 JP S6343461Y2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- winding core
- conical
- winding
- screen
- 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.)
- Expired
Links
- 238000004804 winding Methods 0.000 claims description 33
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3297179U JPS6343461Y2 (OSRAM) | 1979-03-16 | 1979-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3297179U JPS6343461Y2 (OSRAM) | 1979-03-16 | 1979-03-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55133434U JPS55133434U (OSRAM) | 1980-09-22 |
| JPS6343461Y2 true JPS6343461Y2 (OSRAM) | 1988-11-14 |
Family
ID=28887521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3297179U Expired JPS6343461Y2 (OSRAM) | 1979-03-16 | 1979-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6343461Y2 (OSRAM) |
-
1979
- 1979-03-16 JP JP3297179U patent/JPS6343461Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55133434U (OSRAM) | 1980-09-22 |
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