JPS5246941A - Device for lifting and lowering blackboard - Google Patents
Device for lifting and lowering blackboardInfo
- Publication number
- JPS5246941A JPS5246941A JP12200075A JP12200075A JPS5246941A JP S5246941 A JPS5246941 A JP S5246941A JP 12200075 A JP12200075 A JP 12200075A JP 12200075 A JP12200075 A JP 12200075A JP S5246941 A JPS5246941 A JP S5246941A
- Authority
- JP
- Japan
- Prior art keywords
- lifting
- blackboard
- lowering
- lowering blackboard
- 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
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12200075A JPS5246941A (en) | 1975-10-09 | 1975-10-09 | Device for lifting and lowering blackboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12200075A JPS5246941A (en) | 1975-10-09 | 1975-10-09 | Device for lifting and lowering blackboard |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5246941A true JPS5246941A (en) | 1977-04-14 |
JPS5423621B2 JPS5423621B2 (en) | 1979-08-15 |
Family
ID=14825069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12200075A Granted JPS5246941A (en) | 1975-10-09 | 1975-10-09 | Device for lifting and lowering blackboard |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5246941A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5362453U (en) * | 1976-10-28 | 1978-05-26 | ||
JP2020124405A (en) * | 2019-02-06 | 2020-08-20 | 株式会社青井黒板製作所 | Lifting/lowering blackboard device |
JP7249710B1 (en) * | 2022-12-21 | 2023-03-31 | 株式会社青井黒板製作所 | Elevating blackboard device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5877392B2 (en) * | 2011-07-06 | 2016-03-08 | 株式会社サカワ | Board lifting mechanism |
-
1975
- 1975-10-09 JP JP12200075A patent/JPS5246941A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5362453U (en) * | 1976-10-28 | 1978-05-26 | ||
JP2020124405A (en) * | 2019-02-06 | 2020-08-20 | 株式会社青井黒板製作所 | Lifting/lowering blackboard device |
JP7249710B1 (en) * | 2022-12-21 | 2023-03-31 | 株式会社青井黒板製作所 | Elevating blackboard device |
Also Published As
Publication number | Publication date |
---|---|
JPS5423621B2 (en) | 1979-08-15 |
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