CHALK DUST SUCTION DEVICE OF BLACKBOARD ERASER, CAPABLE OF RECYCLING COVER PART OF THE BLACKBOARD ERASER

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