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Compasses with protractors

A protractor and compass technology, applied in the direction of measuring angle/taper gauges, measuring gauges, writing utensils, etc., can solve problems such as trouble and inconvenient storage, and achieve the effect of convenient use, use and storage.

Inactive Publication Date: 2017-05-24
YICHENG NO 3 SENIOR HIGH SCHOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The compasses and protractors currently in use are two kinds of single stationery. In use, both of them are often used in conjunction with each other. Because the products are single, there is a certain inconvenience and trouble in storing and storing.

Method used

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  • Compasses with protractors

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] figure 1 Shown: compasses is respectively equipped with the half protractor 2 that half can close up as integral protractor on two gauge rods 1.

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Abstract

The invention provides a pair of compasses with protractors. The half protractors capable of being joined into a whole protractor are arranged on two gauge bars of the compasses. During use, the two gauge bars can be joined, the half protractors can be combined into a whole for use, and therefore the compasses have complete use functions and are more convenient to use.

Description

technical field [0001] The invention relates to a compass, in particular to a compass provided with a protractor. Background technique [0002] The compasses and protractors that are used now are two kinds of single stationery respectively. In use, both of them often cooperate with each other to calculate and use. Because the products are single respectively, there are certain inconveniences and troubles in storing and storing. Contents of the invention [0003] The invention provides a compass equipped with a protractor, which is convenient to retract and use. . [0004] The present invention includes two gauge rods of the compasses, and the adopted technical solution is that the two gauge rods of the compasses are equipped with half protractors that can be folded into an integral protractor. [0005] The beneficial effect of the present invention is that: through the above-mentioned combination of C, both of them have the characteristics of more convenient use and retr...

Claims

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Application Information

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IPC IPC(8): B43L9/02G01B3/56
Inventor 郑硕
Owner YICHENG NO 3 SENIOR HIGH SCHOOL
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