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Durable combined ruler

A straightedge, durable technology, applied in the direction of rulers, printing, writing utensils, etc., can solve problems such as trouble, scale wear, and troublesome use

Inactive Publication Date: 2016-01-06
HUANGSHI UNIVERSE AUTO EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After this traditional ruler has been used for a long time, the scale on its surface will be worn, so that the user cannot clearly use the ruler to measure or draw, causing troubles in the use process
After the scale of the traditional ruler is worn out, it is necessary to buy a new ruler to continue surveying and mapping, which is very troublesome and inconvenient

Method used

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Embodiment Construction

[0013] refer to Figure 1 to Figure 3 A kind of durable combination ruler embodiment of the present invention is described further.

[0014] Such as Figure 1 to Figure 3 A durable combination ruler shown includes a ruler body, and in this embodiment, the ruler body includes five ruler units 1, and each ruler unit 1 here includes a first ruler bar 12 and a second ruler bar 11. Here, the first ruler bar 12 and the second ruler bar 11 are arranged alternately and overlapped, and the first ruler bar 12 and the second ruler bar 11 are both in the shape of a cuboid. Further, the front end of the first ruler bar 12 is provided with a A protruding bar 3, and the first groove 4 is arranged on the rear end face of the first chi bar 12, in the present embodiment the cross-sectional size, shape, level of the first protruding bar 3 and the cross-sectional size of the first groove 4 , shape, and level are the same, all of which are rectangles. Here, the upper surface of the first convex...

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Abstract

The invention discloses a durable combined ruler which comprises a ruler body. The durable combined ruler is characterized in that the ruler body comprises at least two ruler strip units, and each ruler strip unit comprises a first ruler strip and a second ruler strip; each first ruler strip and the corresponding second ruler strip are overlapped in a staggered mode; the first ruler strips and the second ruler strips are both in the shape of a cuboid, a first protruding strip is arranged on the front end face of each first ruler strip, a first groove is formed in the rear end face of each first ruler strip, and each first protruding strip and the corresponding first groove are identical in section size, shape and horizontal height; scales are arranged on the upper surface of each first protruding strip; a second protruding strip is arranged on the front end face of each second ruler strip, a second groove is formed in the rear end face of each second ruler strip, and each second protruding strip and the corresponding second groove are identical in section size, shape and horizontal height. The durable combined ruler is longer in service life compared with a traditional ruler.

Description

technical field [0001] The present invention relates to a measuring tool, more particularly, it relates to a durable combination ruler. Background technique [0002] A ruler is a common measuring tool in daily life. It is often used for distance measurement or drawing, and is widely used in mathematics, surveying, engineering and other fields. [0003] And the ruler on the market, the structure is all comparatively simple. A general ruler is a long rectangular shape with scales on the edge of its surface for more convenient reading in specific use. After this traditional ruler has been used for a long time, the scale on its surface will be worn out, so that the user cannot clearly use the ruler to measure or draw, which causes troubles in the use process. After the scale of the traditional ruler is worn out, it is necessary to buy a new ruler to continue surveying and mapping, which is very troublesome and inconvenient. The object of the present invention is to provide a...

Claims

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Application Information

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IPC IPC(8): B43L7/033
Inventor 张旭超
Owner HUANGSHI UNIVERSE AUTO EQUIP
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