| 摘要 |
PURPOSE: Provided is a cleaning blackboard equipped with a cleaning device moved traversely, which can clean the blackboard in a short time and prevent chalk powder from scattering. CONSTITUTION: The cleaning blackboard includes: a cleaning member(20) for cleaning the blackboard(10), which is located on one side of the blackboard(10) and contains a support pipe with a plurality of suction grooves in the inside thereof; a guide part(30) mounted on upper and lower blackboard protecting frames(11) to locate the cleaning member(20) vertically on the one side of the blackboard(10); a rotation part for rotating the cleaning member(20); a transfer part for transferring the cleaning member(20) traversely; a dust collecting part(60) mounted on the lower part of the support pipe to suck the chalk powder generated by cleaning the blackboard(10); and a switch part(70).
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