Blackboard

The utility model relates to a teaching aid, in particular to a blackboard. The blackboard comprises a board surface and a dust receiving groove, wherein the dust receiving groove is declivitously formed from left to right; the right end of the dust receiving groove stretches out of the board surfac...

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Bibliographic Details
Main Author HUANG HAOSU
Format Patent
LanguageChinese
English
Published 06.06.2012
Subjects
ACCESSORIES FOR WRITING OR DRAWING
ARTICLES FOR WRITING OR DRAWING UPON
BUREAU ACCESSORIES
PERFORMING OPERATIONS
TRANSPORTING
WRITING OR DRAWING IMPLEMENTS
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Summary:The utility model relates to a teaching aid, in particular to a blackboard. The blackboard comprises a board surface and a dust receiving groove, wherein the dust receiving groove is declivitously formed from left to right; the right end of the dust receiving groove stretches out of the board surface; a groove is formed at the right end of the dust receiving groove; a dust accommodating barrel with a handle is arranged below the right end of the dust receiving groove; and the handle is clamped in the groove. The blackboard has a simple structure and is reasonable in design, chalk dust in the dust receiving groove can be easily cleaned up, and time and labor are saved.
Bibliography:Application Number: CN20112418118U