Wireless blackboard eraser and dust collector

Details Wireless blackboard eraser and dust collector Wireless blackboard eraser and dust collector

B - Operations, Transporting

43

L

B43L 21/02 (2006.01)

Patent

CA 2483422

The present invention provides a kind of wireless blackboard eraser and dust collector, which is composed of a shell body, an air blower, and an erasing plate set. Where, the air blower is installed inside the shell body and the erasing plate set under the shell body, and the eraser shell consists of a piece of erasing cloth, a piece of air-permeable sponge, a base plate, and a group of air-permeable papers. The representative drawing of the present invention is Figure 1, wherein (1) stands for blackboard eraser and dust collector, (10) shell, (13) battery cover, (122) power switch, and (30) erasing plate set.

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