Automatic blackboard eraser device
The invention discloses an automatic blackboard eraser device which comprises a blackboard eraser motion mechanism, a blackboard eraser structure and a dust sucking structure. The blackboard eraser structure acting on a blackboard body and the dust sucking structure are installed on the blackboard e...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses an automatic blackboard eraser device which comprises a blackboard eraser motion mechanism, a blackboard eraser structure and a dust sucking structure. The blackboard eraser structure acting on a blackboard body and the dust sucking structure are installed on the blackboard eraser motion mechanism. The blackboard eraser motion mechanism comprises a transverse assembly and avertical assembly. The blackboard eraser structure comprises a connecting frame connected with the transverse assembly, a round erasing plate installed on the connecting frame in a rotating manner, and a tiny motor for driving the round erasing plate to rotate. The dust sucking structure comprises a dustproof shell arranged on the exterior of the round erasing plate in a sleeving manner, and an air exhauster installed below the dustproof shell. The automatic blackboard eraser device is safe and environmentally friendly, the rotatable round erasing plate is hidden in the dustproof shell totally closed, while dust poll |
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