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CHALK DUST SUCTION DEVICE OF BLACKBOARD ERASER, CAPABLE OF RECYCLING COVER PART OF THE BLACKBOARD ERASER
CHALK DUST SUCTION DEVICE OF BLACKBOARD ERASER, CAPABLE OF RECYCLING COVER PART OF THE BLACKBOARD ERASER
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机译:黑板擦的粉笔吸尘装置,可回收黑板擦的覆盖部分
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摘要
PURPOSE: A chalk dust suction device of a blackboard eraser is provided to prevent chalk dust from scattering around by removing and sucking the chalk dust, and to minimize maintenance and repair cost for the blackboard eraser.;CONSTITUTION: A chalk dust suction device of a blackboard eraser includes the followings: a main body part in which a suction fan is mounted, and forming a receiving space(11) of chalk dust; an elastic part in which a plurality of springs(21) are arranged regularly through a fixing net(22); and a cover part in which a convex part(32) and a concave part(31) are successively formed. The chalk dust is collected to the receiving space of the main body part.;COPYRIGHT KIPO 2010
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