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Folding ruler capable of measuring angle

A technology for folding rulers and angles, applied in the direction of rulers for direct reading, etc., which can solve the problems of single function and reducing storage space.

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

However, the folding function of the ordinary folding ruler is only designed to reduce the storage space, and the function is single

Method used

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  • Folding ruler capable of measuring angle

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] figure 1 Shown: its locating shaft (3) of lower ruler body 2 of folding ruler passes upper ruler body 1 arc end, is provided with scale plate 4 on last ruler body 1 arc end.

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PUM

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Abstract

The invention provides a folding ruler capable of measuring an angle. The positioning shaft of the lower straight ruler body of the folding ruler passes through an arc end head of an upper straight ruler body, and the arc end head of the upper straight ruler body is provided with a dial. The folding ruler has the functions of a straight ruler, a protractor, a triangle ruler and the like.

Description

technical field [0001] The invention relates to a folding ruler, in particular to a folding ruler capable of measuring and calculating angles. Background technique [0002] The rulers used now include rulers, folding rulers, and triangular rulers. But the folding function of the common folding ruler is only designed to reduce the storage space, and has a single function. Contents of the invention [0003] The invention provides a folding ruler capable of measuring and calculating angles, which has multiple functions such as angle measurement, ruler, protractor, and triangular ruler. [0004] The present invention includes the upper ruler body and the lower ruler body of the folding ruler, and the adopted technical scheme is: the positioning axis of the lower ruler body of the folding ruler passes through the arc end of the upper ruler body, and the upper ruler body A dial is arranged on the end of the arc. [0005] Beneficial effects of the present invention: through th...

Claims

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Application Information

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IPC IPC(8): G01B3/06
CPCG01B3/06
Inventor 张梦阳
Owner YICHENG NO 3 SENIOR HIGH SCHOOL