Adjustable dust suction blackboard eraser
A blackboard eraser, adjustable technology, applied in the field of blackboard eraser, to achieve the effects of easy collection, backflow prevention, and strong adjustability
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[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0018] The present invention provides figure 1 , figure 2 with image 3 An adjustable dust-absorbing blackboard eraser shown includes a blackboard eraser main body 10, the two sides of the blackboard eraser main body 10 are provided with a turning bearing 6 and both sides of the turning bearing 6 are provided with a splicing bearing surface 5. The upper surface of the splicing receiving surface 5 is provided with a magnetic suction plate 1
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