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Multifunctional compass

A multifunctional, compass technology, used in circular curve plotters, printing, erasers, etc., to solve problems such as errors

Inactive Publication Date: 2010-12-08
SHANGHAI HUANGPU DISTRICT XINLING ELEMENTARY SCHOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention is to solve the above-mentioned problems, and solve the problem that people need to find other processing tools everywhere if there are accidents such as errors in the drawing process.

Method used

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Embodiment Construction

[0009] In order to make the technical means, creative features, goals and effects of the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0010] Such as figure 1 As shown, a multifunctional compasses, a rubber 3 is arranged on the top of the compasses 1, and a scale is engraved on a foot 2 of the compasses 1.

[0011] When using the compass 1 to draw a picture, you can use the eraser 3 on the top of the compass 1 to erase the wrong part. When you need to draw a line of a specific length, you can draw a line of a specific length along the graduated leg 2 of the compass 1.

[0012] The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments, and that described in the above-mentioned embodiments and the description o...

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PUM

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Abstract

The invention relates to a multifunctional compass, which is characterized in that an eraser is arranged at the top of the compass and scales are marked on a support leg of the compass. By adopting the technical scheme, the invention has the advantages of convenient use, improved learning efficiency and the like.

Description

technical field [0001] The present invention relates to a compass, more specifically, it relates to a multifunctional compasses. Background technique [0002] At present, the function of compasses is too single, and can only be used to draw circles. If the drawing is wrong, it is too troublesome to find an eraser everywhere, and when people need to draw a line of a specific length when drawing , just need to put down the compasses to look for ruler again, and can't just carry out above-mentioned operation through compasses. Contents of the invention [0003] The present invention is in order to solve the above-mentioned problems, and solves the problem that people need to look for other processing tools everywhere if accidents such as errors occur in the drawing process. [0004] The technical problem to be solved in the present invention can be realized through the following technical solutions: [0005] A multifunctional compass is characterized in that a rubber is arr...

Claims

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Application Information

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IPC IPC(8): B43L9/02B43L19/00G01B5/02
Inventor 孙朕祺李蕾
Owner SHANGHAI HUANGPU DISTRICT XINLING ELEMENTARY SCHOOL