Blackboard eraser
The utility model provides a blackboard eraser, and belongs to the technical field of teaching auxiliary equipment. The blackboard eraser comprises a box body, bristles used for wiping a blackboard are fixed to the upper portion of a top plate of the box body, a power assembly arranged in the box bo...
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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
13.08.2019
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model provides a blackboard eraser, and belongs to the technical field of teaching auxiliary equipment. The blackboard eraser comprises a box body, bristles used for wiping a blackboard are fixed to the upper portion of a top plate of the box body, a power assembly arranged in the box body and used for sucking and removing dust, and a dust storage assembly arranged in the box body andused for storing dust. The power assembly is connected with the dust storage assembly, a plurality of through holes for dust to flow through are formed in a top plate of the box body, and the area ofthe area where the bristles are located is smaller than that of the top plate of the box body. The blackboard eraser provided by the utility model aims to solve the problem that the blackboard erasereasily causes a large amount of dust to drift away in the blackboard wiping process to influence the physical health of students and teachers, and can effectively adsorb the flying dust in the blackboard wiping process to reduc |
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Bibliography: | Application Number: CN201820350027U |