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Eraser device

A blackboard eraser and board brush technology, which is applied to blackboard or slate cleaning devices, reusable writing boards, printing, etc., can solve laborious and time-consuming problems, and achieve the effect of reducing work intensity and being convenient and quick to use

Inactive Publication Date: 2013-03-27
张鹏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As we all know, when teachers give lectures, they usually use chalk to write the content of the lecture outline, knowledge points and other teaching plans on the blackboard. Requires multiple back-and-forth operations, which is laborious and time-consuming

Method used

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Embodiment Construction

[0011] Such as figure 1 and figure 2 As shown, a kind of blackboard eraser device of the present invention comprises blackboard 1, blackboard brush 2, and described blackboard 1 is groove shape, and described blackboard brush 2 is elongated shape, and blackboard brush 2 is fixedly connected together with support 3 by screw 7, so The support 3 is in an inverted "L" shape, the scrub brush 2 is embedded in the groove of the blackboard 1, a slide bar 4 is worn on the top of the support 3, and stoppers 5 are provided at both ends of the slide bar 4, and the slide bar 4 and Block 5 is fixed on the top of blackboard 1.

[0012] Blocks 5 are also installed on both sides of the bottom of the blackboard 1 .

[0013] The lower end of described scrub brush 2 is equipped with roller 6.

[0014] Push handle 8 is also installed on the described scrub brush 2 .

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PUM

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Abstract

The invention discloses an eraser device which comprises a blackboard and a scrubbing brush, wherein the blackboard is in a shape of a groove, the scrubbing brush is in a shape of a strip, the scrubbing brush is connected with a bracket together through a screw and embedded into the groove of the blackboard, a sliding rod penetrates through the top of the bracket, and the scrubbing brush can slid along the sliding rod. The eraser device disclosed by the invention has the advantages of convenience and rapidity in use, and the working strength of teachers is reduced.

Description

technical field [0001] The invention relates to a blackboard eraser device for classrooms. Background technique [0002] As we all know, when teachers give lectures, they usually use chalk to write the content of the lecture outline, knowledge points and other teaching plans on the blackboard. It needs to be operated back and forth many times, which is laborious and time-consuming. Contents of the invention [0003] The problem to be solved by the present invention is to overcome the deficiencies in the background technology and provide an eraser device. This eraser device is suspended on the top of the blackboard through a slide bar. When erasing the content of the blackboard, it is convenient to push it from one end to the other. fast. [0004] In order to solve the above problems, the present invention takes the following technical solutions: [0005] An eraser device of the present invention comprises a blackboard and an eraser brush, the blackboard is in the shape ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L21/00B43L1/04
Inventor 张鹏
Owner 张鹏
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