Electric dust-free eraser

The utility model relates to an electric dust-free eraser, which is characterized in that slide rails (1) are fixed on the two sides of a blackboard (5), and are provided with slide rods (2) which can up and down move along the side rails (1), a motor (9) which drives the slide rods (2) to up and do...

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Bibliographic Details
Main Authors HUANG HONGRU, ZHU PENGHAI, ZHOU JIONG, HUANG YANQIU
Format Patent
LanguageChinese
English
Published 06.08.2014
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 an electric dust-free eraser, which is characterized in that slide rails (1) are fixed on the two sides of a blackboard (5), and are provided with slide rods (2) which can up and down move along the side rails (1), a motor (9) which drives the slide rods (2) to up and down move is arranged on one side of the blackboard (5), chute keys (3) which are connected with a cover shell (4) is fixed on the slide rods (2), a fan (6), a dust box (7) and a brush (8) are arranged in the cover shell (4), and a switch key (10) which controls the fan (6) to rotate and controls the motor (9) to move is arranged on one side of the blackboard (5). The electric dust-free eraser eliminates the negative influences produced when a blackboard is erased artificially, automatically erase the blackboard, and enables dust not to pervade in the air of a classroom, thereby enabling the air to be fresher.
Bibliography:Application Number: CN20142166519U