JPH03112399U - - Google Patents

Info

Publication number
JPH03112399U
JPH03112399U JP2230090U JP2230090U JPH03112399U JP H03112399 U JPH03112399 U JP H03112399U JP 2230090 U JP2230090 U JP 2230090U JP 2230090 U JP2230090 U JP 2230090U JP H03112399 U JPH03112399 U JP H03112399U
Authority
JP
Japan
Prior art keywords
view
blackboard wiper
sectional
cross
wiper
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
Application number
JP2230090U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP2230090U priority Critical patent/JPH03112399U/ja
Publication of JPH03112399U publication Critical patent/JPH03112399U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図〜第7図は本考案の実施例を示すもので
あつて、第1図は黒板拭きの断面図(第5図の
−線断面図)、第2図は黒板拭きの断面図(第
5図の−線断面図)、第3図は黒板拭きの底
面図、第4図は黒板拭きの一部破砕斜視図、第5
図は黒板拭きの斜視図、第6図は他の例による黒
板拭きの断面図(第7図の−線断面図)、第
7図は第6図の黒板拭きの斜視図である。第8図
は従来の黒板拭きの斜視図である。 なお、図面に示された符号において、2,12
……基台、3,13……蓋、4……拭き取り部、
5……接続管、6……フレキシブルホース、7…
…吸入孔、13……集塵室、14……バツテリー
、15……モーター、20……集塵バツグ、であ
る。
Figures 1 to 7 show examples of the present invention, in which Figure 1 is a cross-sectional view of the blackboard wiper (cross-sectional view taken along the - line in Figure 5), and Figure 2 is a cross-sectional view of the blackboard wiper (cross-sectional view taken along the - line in Figure 5). 5), Figure 3 is a bottom view of the blackboard wiper, Figure 4 is a partially fragmented perspective view of the blackboard wiper, Figure 5 is a partially fragmented perspective view of the blackboard wiper,
6 is a cross-sectional view of another example of the blackboard wiper (cross-sectional view taken along the line - in FIG. 7), and FIG. 7 is a perspective view of the blackboard wiper of FIG. 6. FIG. 8 is a perspective view of a conventional blackboard wiper. In addition, in the symbols shown in the drawings, 2, 12
... Base, 3, 13 ... Lid, 4 ... Wiping part,
5... Connection pipe, 6... Flexible hose, 7...
... suction hole, 13 ... dust collection chamber, 14 ... battery, 15 ... motor, 20 ... dust collection bag.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] チヨーク粉吸い込み手段を有する黒板拭き。 A blackboard wiper with a powder suction device.
JP2230090U 1990-03-06 1990-03-06 Pending JPH03112399U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2230090U JPH03112399U (en) 1990-03-06 1990-03-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2230090U JPH03112399U (en) 1990-03-06 1990-03-06

Publications (1)

Publication Number Publication Date
JPH03112399U true JPH03112399U (en) 1991-11-18

Family

ID=31525316

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2230090U Pending JPH03112399U (en) 1990-03-06 1990-03-06

Country Status (1)

Country Link
JP (1) JPH03112399U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59227499A (en) * 1983-06-08 1984-12-20 西出 博行 Chalk powder suction type eraser
JPS6333998B2 (en) * 1982-01-19 1988-07-07 Haa Buoorenberuku Kg

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6333998B2 (en) * 1982-01-19 1988-07-07 Haa Buoorenberuku Kg
JPS59227499A (en) * 1983-06-08 1984-12-20 西出 博行 Chalk powder suction type eraser

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