JPH03108498U - - Google Patents
Info
- Publication number
- JPH03108498U JPH03108498U JP1850190U JP1850190U JPH03108498U JP H03108498 U JPH03108498 U JP H03108498U JP 1850190 U JP1850190 U JP 1850190U JP 1850190 U JP1850190 U JP 1850190U JP H03108498 U JPH03108498 U JP H03108498U
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- air suction
- wiping
- suck
- suction port
- 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
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Description
第１図は、黒板ふき本体を示す。第１図Ａは、
正面断面図、第１図Ｂは、側面図案を示す。第２
図は、黒板と黒板ふきの使用状態を示す。 １……黒板ふき本体、２……吸気管、３……空
気吸引口、４……ふき取り部、５……支えバンド
、６……空気吸引装置、７……黒板、８……ふき
取り中の黒板ふきを示す。
正面断面図、第１図Ｂは、側面図案を示す。第２
図は、黒板と黒板ふきの使用状態を示す。 １……黒板ふき本体、２……吸気管、３……空
気吸引口、４……ふき取り部、５……支えバンド
、６……空気吸引装置、７……黒板、８……ふき
取り中の黒板ふきを示す。
Claims (1)
- 黒板ふきに空気吸引口を取付け、空気吸引装置
に接続し、黒板をふいた後の白墨粉を吸引、捕集
出来るようにした黒板ふき。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1850190U JPH03108498U (ja) | 1990-02-26 | 1990-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1850190U JPH03108498U (ja) | 1990-02-26 | 1990-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03108498U true JPH03108498U (ja) | 1991-11-07 |
Family
ID=31521656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1850190U Pending JPH03108498U (ja) | 1990-02-26 | 1990-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03108498U (ja) |
-
1990
- 1990-02-26 JP JP1850190U patent/JPH03108498U/ja active Pending