JPH0280491U - - Google Patents
Info
- Publication number
- JPH0280491U JPH0280491U JP16068388U JP16068388U JPH0280491U JP H0280491 U JPH0280491 U JP H0280491U JP 16068388 U JP16068388 U JP 16068388U JP 16068388 U JP16068388 U JP 16068388U JP H0280491 U JPH0280491 U JP H0280491U
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- attached
- air outlet
- outlet
- suction
- 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
- 239000000428 dust Substances 0.000 claims description 2
Landscapes
- Drawing Aids And Blackboards (AREA)
Description
第１図は本考案の正面図。第２図は本考案の側
面図。
１は黒板、２は空気吹き出し口、３は吸引口、
４は白墨又は黒板消し置き、５はダストフイルタ
ー、６はフアン、７はダクト、８はダクト、９は
ダクト、１０は空気量調整ダンパー、１１は空気
量調整ダンパー。
Figure 1 is a front view of the present invention. Figure 2 is a side view of the present invention. 1 is the blackboard, 2 is the air outlet, 3 is the suction port,
4 is a chalk or blackboard eraser, 5 is a dust filter, 6 is a fan, 7 is a duct, 8 is a duct, 9 is a duct, 10 is an air volume adjustment damper, and 11 is an air volume adjustment damper.
Claims (1)
墨又は黒板消し置き４に、吸引口３を取り付け、
空気吹き出し口２と吸引口３をダクト７，８，９
で接続し、その間にダストフイルター５及びフア
ン６を設けた黒板。 An air outlet 2 is attached to the upper part of the blackboard 1, and a suction outlet 3 is attached to the chalk or blackboard eraser 4 at the bottom.
Air outlet 2 and suction port 3 are connected to ducts 7, 8, 9
A blackboard with a dust filter 5 and a fan 6 installed between them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16068388U JPH0280491U (en) | 1988-12-09 | 1988-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16068388U JPH0280491U (en) | 1988-12-09 | 1988-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0280491U true JPH0280491U (en) | 1990-06-21 |
Family
ID=31442965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16068388U Pending JPH0280491U (en) | 1988-12-09 | 1988-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0280491U (en) |
-
1988
- 1988-12-09 JP JP16068388U patent/JPH0280491U/ja active Pending