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Clean ruler

A technology of cleaning and ruler, applied in the field of cleaning ruler, can solve the problem of wiping with a rag is very troublesome and single, and achieve the effect of wide application range, convenient use and reasonable structure design.

Inactive Publication Date: 2012-12-12
张翼翔
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Measuring ruler is the instrument that people adopt in real life process, also is the necessary learning tool of primary and middle school students at the same time, the measuring ruler function of prior art is single, especially after the student uses eraser, always leaves some rubber crumbs on the table , or when sharpening pencils, a lot of pencil powder is often left, which is very troublesome to wipe with a rag

Method used

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Examples

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Effect test

Embodiment 1

[0016] Such as figure 1 As shown, a cleaning ruler comprises: a ruler piece (1), a velvet strip (2) connected to one side of the ruler piece (1), and scales are marked on both sides of the ruler piece (1).

[0017] In the above-mentioned cleaning ruler, the ruler piece (1) is rectangular, and a round hole (3) is arranged at one end of the ruler piece (1).

Embodiment 2

[0019] Such as figure 2 As shown, a cleaning ruler comprises: a ruler piece (1), velvet strips (2) connected to both sides of the ruler piece (1), and scales are marked on both sides of the ruler piece (1).

[0020] In the above-mentioned cleaning ruler, the ruler piece (1) is rectangular, and a round hole (3) is arranged at one end of the ruler piece (1).

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PUM

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Abstract

The invention discloses a clean ruler, comprising a ruler piece (1) and a wool strip (2) connected to one side of the ruler piece (1), wherein the double surfaces of the ruler piece (1) are respectively marked with scales. The clean ruler disclosed by the invention has the advantages of reasonable structure design, diversified function and strong practicability.

Description

technical field [0001] The invention relates to a measuring tool, in particular to a cleaning ruler. Background technique [0002] Measuring ruler is the instrument that people adopt in real life process, also is the necessary learning tool of primary and middle school students at the same time, the measuring ruler function of prior art is single, especially after the student uses eraser, always leaves some rubber crumbs on the table , or when sharpening a pencil, a lot of pencil powder is often left, and it is troublesome to wipe with a rag. Therefore, it is necessary to design a more reasonable structural design on the basis of the prior art, a cleaning ruler that is easy to use. Contents of the invention [0003] Purpose of the invention: The purpose of the present invention is to solve the deficiencies of the prior art and provide a cleaning ruler with a reasonable structure design, easy to use, capable of cleaning erasers and pencil powder, and a wide range of applic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B3/04
Inventor 张翼翔汤建伟
Owner 张翼翔
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