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Blackboard eraser

A technology of eraser and wooden board, which is applied in the field of cleaning and sanitation, can solve problems such as difficult to grasp, unhygienic, easy to fall dust, etc., and achieve the effect that it is not easy to hurt hands

Inactive Publication Date: 2012-01-25
贾进东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the erasers widely used in education and teaching are mostly composed of wooden boards and bristles. When used by short people, it is not easy to erase taller characters

Method used

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  • Blackboard eraser
  • Blackboard eraser

Examples

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Comparison scheme
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Embodiment Construction

[0009] As shown in the figure, this blackboard eraser is made up of plank 3, bristle 4, handle 1 and handle 2, and plank 3 is provided with bristle 4 on one side, and handle 1 is provided on the other side, and handle 2 is installed at one end of handle 1.

[0010] When in use, hold the handle 1 to erase the chalk characters, which is not easy to hurt your hands, and the wiped dust is not easy to fall into the sleeves. When the person who is short cannot reach the characters to be erased, he can hold the handle 2 to wipe. In addition, it is suitable for the needs of people of different heights.

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PUM

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Abstract

In order to solve the problems that in a process of using a blackboard eraser for erasing chalk characters, the hands are easy to get injured, the sleeves are easy to get dirty, and the like, the invention provides a blackboard eraser, which consists of a board, brush hair, a handle and a holding handle, wherein one side of the board is provided with the brush hair, the other side of the board is provided with the handle, one end of the handle is provided with the holding handle, the dust can be effectively prevented from falling into the sleeves, the hands are not easy to get injured, and the blackboard eraser is suitable for being used by people in different heights.

Description

technical field [0001] The invention relates to the field of cleaning and sanitation, in particular to a blackboard eraser. Background technique [0002] At present, the erasers widely used in education and teaching are mostly composed of wooden boards and bristles, which are difficult to grasp and easily hurt hands. When short people use it, it is not easy to erase the taller characters. Contents of the invention [0003] In order to solve the above-mentioned problems encountered in the process of using an eraser to erase chalk characters, the invention provides an eraser. [0004] The present invention is realized like this: this blackboard eraser is made up of plank, bristle, handle and handle, plank one side is provided with brush, the other side is provided with handle, handle one end is installed handle. [0005] The beneficial effect of the invention is that it can effectively prevent dust from falling into the sleeves, is not easy to hurt hands, and is suitable f...

Claims

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Application Information

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