Protractor provided with ruler

A protractor and straightedge technology, which is applied in the field of protractors, can solve problems such as troublesome retraction and carrying, and achieve the effect of being convenient to use, retract and carry.

Inactive Publication Date: 2017-04-26
LAOHEKOU NO 4 MIDDLE SCHOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In work and study, it is inevitable to use a protractor without a ruler. The current protractor and ru

Method used

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  • Protractor provided with ruler

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Embodiment Construction

[0008] figure 1 As shown: the protractor body 1 is connected with an integral ruler 2 on the side.

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Abstract

The invention provides a protractor provided with a ruler. The integrated ruler is connected to the side edge of the protractor, and therefore the protractor is more convenient to use during work and study.

Description

technical field [0001] The invention relates to a protractor, in particular to a protractor provided with a ruler. Background technique [0002] In work and study, it is unavoidable to involve the use of a protractor without a ruler. The existing protractor and ruler are all single stationery, which are convenient to use, but very cumbersome to store and carry. Contents of the invention [0003] The invention provides a protractor provided with a straightedge, which is convenient to store and use when the two are combined together. [0004] The present invention includes a protractor body, and the adopted technical solution is that: the protractor body is connected with an integrated ruler at the side. [0005] The beneficial effects of the present invention are: through the above technical proposal, since the straightedge is skillfully combined on the protractor, both the protractor and the straightedge are convenient to use, store and carry. Description of drawings ...

Claims

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Application Information

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IPC IPC(8): B43L13/00G01B3/56
Inventor 张思怡
Owner LAOHEKOU NO 4 MIDDLE SCHOOL
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