KR20200084826A - A protractor and ruler - Google Patents

A protractor and ruler Download PDF

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Publication number
KR20200084826A
KR20200084826A KR1020200076566A KR20200076566A KR20200084826A KR 20200084826 A KR20200084826 A KR 20200084826A KR 1020200076566 A KR1020200076566 A KR 1020200076566A KR 20200076566 A KR20200076566 A KR 20200076566A KR 20200084826 A KR20200084826 A KR 20200084826A
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South Korea
Prior art keywords
protractor
ruler
angle
function
draw
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Korean (ko)
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장윤주
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장윤주
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Measuring instruments characterised by the use of mechanical techniques
    • G01B3/56Gauges for measuring angles or tapers, e.g. conical calipers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Measuring instruments characterised by the use of mechanical techniques
    • G01B3/002Details
    • G01B3/004Scales; Graduations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02Rulers with scales or marks for direct reading
    • G01B3/04Rulers with scales or marks for direct reading rigid
    • G01B3/06Rulers with scales or marks for direct reading rigid folding

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

본 발명은 자 및 각도기 기능이 함께 있는 각도기가 포함된 자에 관한 것으로, 자부(2,3), 각도기부(1), 마개(4)로 구성된다. 각도기부(1)는 눈금이 새겨져 있어 각도를 1˚단위로 잴 수 있고, 회전축을 중심으로 전개하여 원하는 각도의 선을 손쉽고 정확하게 그을 수 있다.
본 고안은 각도기와 자 및 각도기 기능이 일체형으로 구성되어 제도작업이 효율적이고, 자와 각도기를 동시에 사용할 수 있어 편리하다.
The present invention relates to a ruler including a ruler with a ruler and a protractor function, and is composed of a ruler part (2,3), a protractor part (1), and a stopper (4). Since the protractor 1 has a scale engraved, the angle can be measured in 1° increments, and the line of a desired angle can be easily and accurately drawn by developing around the rotation axis.
The present design is efficient because the protractor and ruler and protractor functions are integrated, and the drafting work is efficient and the ruler and protractor can be used simultaneously.

Description

각도기 기능이 있는 자{A protractor and ruler}Person with protractor function {A protractor and ruler}

본 발명은 자(ruler)와 각도기 기능이 함께 있는 각도자에 관한 것이다. 자와 각도기의 기능을 포함하여 따로 각도기가 없이도 각도를 정하여 선을 그릴 수 있는 기능을 구현한다.The present invention relates to a ruler with a ruler and a protractor function. Including the function of ruler and protractor, it implements the function to draw a line by setting the angle without a protractor.

길이 측정용 자의 경우, 대부분이 측정범위와 단위가 각각 10~30cm와 1mm이고, 각도기는 반원형 각도기(1˚씩, 0˚~ 180˚범위를 측정)가 널리 쓰인다.In the case of length measurement, most of the measurement range and units are 10~30cm and 1mm, respectively, and the protractor is a semi-circular protractor (measured in the range of 0˚~180˚ by 1˚).

이들은 각 하나의 기능만 갖고 있기 때문에 도형 학습을 위해 2개 도구를 모두 챙겨야 할 뿐만 아니라 각각이 분리되어 있어 부피가 크고, 휴대하기도 불편하다. 특히, 각도에 맞게 선을 그어야 할 경우, 각도기로 각도를 정한 다음 다시 자로 선을 긋게 되면 시간이 낭비될 뿐만 아니라 정확도도 떨어진다.Since they have only one function, they not only need to pack both tools for learning shapes, but each is separate, bulky, and inconvenient to carry. In particular, if you need to draw a line according to the angle, if you set the angle with a protractor and then draw the line again with a ruler, not only time is wasted but also accuracy is reduced.

본 고안이 해결해야 할 과제는 다음과 같다.The problems to be solved by the present invention are as follows.

첫째, 일반적으로 도형 학습을 하려면, 자 및 각도기가 필요하지만, 이들은 각각 분리되어 있어 잃어버리기 쉽고, 2개 도구를 전부 준비해야 하므로 불편하다.First, in general, to learn shapes, rulers and protractors are required, but they are easy to lose because they are separated, and it is inconvenient because both tools must be prepared.

둘째, 이들은 각각 분리되어 있어 차지하는 부피가 크다는 단점이 있다.Second, they are separated and have a disadvantage in that they occupy a large volume.

셋째, 각도기로 각을 측정한 다음 다시 자로 선을 긋게 되면 시간이 낭비될 뿐만 아니라 정확도가 떨어진다.Third, if you measure the angle with a protractor and then draw a line again with a ruler, not only time is wasted but also accuracy is reduced.

상기 3개 과제(단점)들에 대한 해결 수단은 다음과 같다. 통상의 자, 각도기의 경우, 이들은 각각 분리되어 있으며, 1개의 기능만 가진다. 따라서 이 때문에 나타나는 문제점을 해결하려면, 이 2개 기능을 모두 갖춘 일체형 도구로 만드는 것이다. 또한, 각도기로 각을 측정한 다음 다시 자로 선을 긋는 것을 보다 간편하고 정확하게 만들기 위해 두 개의 자와 각도기를 이용하여 일체형 도구를 설계한다.The solution to the three problems (disadvantages) is as follows. In the case of ordinary rulers and protractors, these are each separated and have only one function. Therefore, to solve this problem, it is to make it an all-in-one tool with both functions. Also, in order to make it easier and more accurate to measure the angle with a protractor and then draw a line again with a ruler, an integrated tool is designed using two rulers and a protractor.

본 고안을 사용하면 다음과 같은 장점이 있다. 각도기와 자 기능이 일체형으로 되어있어 각각의 도구를 애써 챙길 필요가 없고, 제도작업이 편리하며, 효율적이다.Using the present design has the following advantages. Since the protractor and ruler functions are integrated, there is no need to pack each tool, and drafting is convenient and efficient.

도면 1. 본 고안의 구성도
도면 2. 분리된 부분
Drawing 1. Configuration diagram of the present invention
Figure 2. Separated parts

본 고안은 각도기와 자 기능이 함께 있는 것에 관한 것이다. 첫째, 일반적으로 자는 약 10cm 정도의 길이를 1mm 간격으로 측정할 수 있어야 하므로, 일체형 도구에서 약10cm의 직선부분이 형성되도록 설계한다.The present invention relates to a protractor and ruler function together. First, in general, since the ruler should be able to measure the length of about 10cm at 1mm intervals, it is designed to form a straight portion of about 10cm in an integrated tool.

둘째, 각도기의 경우, 일반적으로 0˚~ 180˚범위 내에서 1˚단위로 각도를 잴 수 있어야 하므로, 반원 이상의 원호를 갖도록 설계한다. 그리고 각도기부(2)의 아랫부분에 그려야 한다.Second, in the case of a protractor, it is generally designed to have a circular arc of more than a semicircle since it must be able to measure the angle in 1˚ units within the range of 0˚ to 180˚. And it should be drawn on the lower part of the protractor (2).

셋째, 자부(1)에는 각도의 기준이 되는 직선(5)이 하나 그려져야 한다.Third, a straight line 5 serving as an angle reference should be drawn on the magnetic part 1.

넷째, 회전축에는 핀으로 고정하여 자유롭게 움직일 수 있도록 한다.Fourth, it is fixed to the rotating shaft with a pin so that it can move freely.

다섯째, 각도를 정하여 두 개의 자를 이용해 선을 그을 경우 아랫부분(1)의 두께가 두꺼우면 안되므로 최대한 얇은 플라스틱을 이용하며 보관은 두 부분을 접어서 한다.Fifth, if you draw a line using two rulers by setting the angle, the thickness of the lower part (1) should not be thick, so use plastic as thin as possible and fold two parts for storage.

Claims (1)

회전축을 중심으로 전개 및 절첩가능한 자부(2,3)와 각도기부(1), 자부(1)에 그려지는 각도의 기준이 되는 직선으로 구성되며, 자의 기능과 함께 작도의 필요에 따라 각도기 중 원하는 각도를 직선으로 맞추어 두 개의 자를 이용하여 좀 더 편리하고 정확하게 각도를 그릴 수 있는 각도기가 부착된 자.Consists of a straight line that serves as a reference for the angle drawn on the magnetic parts (2, 3), protractor part (1), and magnetic part (1) that can be expanded and folded around the axis of rotation. A ruler with a protractor that can be used to draw an angle more conveniently and accurately using two rulers.
KR1020200076566A 2020-06-23 2020-06-23 A protractor and ruler Ceased KR20200084826A (en)

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KR1020200076566A KR20200084826A (en) 2020-06-23 2020-06-23 A protractor and ruler

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KR20200084826A true KR20200084826A (en) 2020-07-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117928343A (en) * 2024-03-22 2024-04-26 山东乾通重工科技有限公司 Steel structure welding seam measuring tool and using method thereof
CN119022743A (en) * 2024-10-29 2024-11-26 山东天星测绘有限公司 A foldable surveying ruler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117928343A (en) * 2024-03-22 2024-04-26 山东乾通重工科技有限公司 Steel structure welding seam measuring tool and using method thereof
CN117928343B (en) * 2024-03-22 2024-05-28 山东乾通重工科技有限公司 Steel structure welding seam measuring tool and using method thereof
CN119022743A (en) * 2024-10-29 2024-11-26 山东天星测绘有限公司 A foldable surveying ruler

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