JPH0211199Y2 - - Google Patents
Info
- Publication number
- JPH0211199Y2 JPH0211199Y2 JP1983072333U JP7233383U JPH0211199Y2 JP H0211199 Y2 JPH0211199 Y2 JP H0211199Y2 JP 1983072333 U JP1983072333 U JP 1983072333U JP 7233383 U JP7233383 U JP 7233383U JP H0211199 Y2 JPH0211199 Y2 JP H0211199Y2
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- main body
- movable
- movable blackboard
- fixed
- 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
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 description 8
- 239000000428 dust Substances 0.000 description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7233383U JPS59176595U (ja) | 1983-05-12 | 1983-05-12 | 移動黒板 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7233383U JPS59176595U (ja) | 1983-05-12 | 1983-05-12 | 移動黒板 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59176595U JPS59176595U (ja) | 1984-11-26 |
JPH0211199Y2 true JPH0211199Y2 (xx) | 1990-03-20 |
Family
ID=30202479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7233383U Granted JPS59176595U (ja) | 1983-05-12 | 1983-05-12 | 移動黒板 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59176595U (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2755206B2 (ja) * | 1995-03-23 | 1998-05-20 | コクヨ株式会社 | スライドボード |
JP5214217B2 (ja) * | 2007-11-09 | 2013-06-19 | 株式会社サカワ | 既設の黒板等の多機能化改修方法 |
JP5349030B2 (ja) * | 2008-12-15 | 2013-11-20 | 株式会社サカワ | 多機能ボード |
JP5922476B2 (ja) * | 2012-04-23 | 2016-05-24 | 株式会社青井黒板製作所 | 昇降黒板の振れ止め装置 |
JP5953193B2 (ja) * | 2012-09-19 | 2016-07-20 | 株式会社青井黒板製作所 | 黒板装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4310264Y1 (xx) * | 1965-07-03 | 1968-05-06 | ||
JPS5245316U (xx) * | 1975-09-25 | 1977-03-31 |
-
1983
- 1983-05-12 JP JP7233383U patent/JPS59176595U/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4310264Y1 (xx) * | 1965-07-03 | 1968-05-06 | ||
JPS5245316U (xx) * | 1975-09-25 | 1977-03-31 |
Also Published As
Publication number | Publication date |
---|---|
JPS59176595U (ja) | 1984-11-26 |
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