CN103660726A - Novel ruler - Google Patents
Novel ruler Download PDFInfo
- Publication number
- CN103660726A CN103660726A CN201310731961.5A CN201310731961A CN103660726A CN 103660726 A CN103660726 A CN 103660726A CN 201310731961 A CN201310731961 A CN 201310731961A CN 103660726 A CN103660726 A CN 103660726A
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- China
- Prior art keywords
- ruler
- millimeters
- novel
- aperture
- scale
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Abstract
A novel ruler comprises a ruler body, length scales marked on the ruler body, and small holes in the ruler. The novel ruler is characterized in that the small holes with the diameter of 2mm are formed in the center of the ruler body every other 5mm in the length direction of the ruler, and a groove in the edge of the ruler is 5mm away from the edge of the scales, 3mm away from the other three edges and 1mm deep. A circle can be drawn rapidly and normatively through the ruler. The novel ruler is convenient to pick up, and the scales are prevented from being abraded.
Description
Technical field
The present invention relates to a kind of Novel ruler, particularly a kind of Novel ruler that can draw any radius circular.Belong to articles for daily use technical field.
Background technology
Social competition is day by day fierce now, no matter be adult or student, all can run into big and small examination.At ordinary times, student written industry is drawn, and all can run into the situation that picture is circular or draw circular arc.Now we will look for compasses, ruler, rubber, pencil.Expend time in very much, also increased the weight of student's school bag weight, increase burden.In examination, in order to draw circle, with compasses, to expend for a long time.Ruler is placed on paper and is not easy to move or pick up very much, and the scale part of ruler is also easy to wearing and tearing.In sum, drawing fast and accurately circle, is the problem that we face.Ruler prevents the wearing and tearing of scale and is convenient to pick up to be also that we should be improved.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of novel ruler is provided, and this ruler can prevent the wearing and tearing of scale, is also convenient to pick up.Utilize this ruler can also draw fast and accurately circle or circular arc.
In order to address the above problem, the present invention is achieved through the following technical solutions: a kind of ruler, the surrounding of this ruler is provided with the groove of 2 millimeters, in the elongatedness direction of ruler entity center at interval of 5 millimeters of apertures that have 2 millimeters.The scheme of recessed grain is established in this ruler entity edge, can make scale mark on ruler in recessed grain, in use not can with paper friction, prevent the scale-wearing on ruler.Simultaneously can make there is certain space between paper and ruler entity, pick up or the attachable mechanical stage period of the day from 11 p.m. to 1 a.m more convenient.
Adopted technique scheme, the invention has the beneficial effects as follows: ruler has first been fixed by an aperture with one-pen when drawing circle, as the center of circle; According to scale, choose again the circular hole that suitable radius is corresponding, with another one-pen, through this hole, together with ruler, around the first circular hole, rotate, so just can obtain required circle or circular arc.Ruler can draw circle or circular arc fast and accurately like this.Because existing between ruler and paper of groove existed certain gap, make ruler can prevent the wearing and tearing of scale, be also convenient to pick up.
The present invention compares with existing ruler, has outstanding advantage and is: (1) can effectively prevent the wearing and tearing of ruler scale; (2) can be convenient to picking up of ruler; (3) can draw fast and accurately the different circle of radius or circular arc.(description of this position is consistent with claims)
A kind of ruler provided by the invention, simple in structure, convenient operation and control, for practical application provides great convenience, can be widely used in drafting and the measurement of straight line, the life such as the drafting of circle or circular arc learning activities.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present invention.
In accompanying drawing: 1. ruler entity; 2. length scale; 3. aperture; 4. groove.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.As shown in Figure 1, this ruler comprises: a kind of ruler of ruler entity comprises entity and is engraved in the length scale on ruler entity, it is characterized in that 5 millimeters, the interval aperture that has 2 millimeters on ruler entity, is provided with the groove of 2 millimeters at the edge of ruler.The groove at edge makes there is certain gap between ruler and paper, is convenient to ruler to pick up from paper.Groove on scale limit can also effectively avoid ruler scale directly to contact with paper, prevents in use, owing to making scale-wearing with the contact friction of paper.
This ruler is being drawn operating procedure concrete when circular: first with one-pen, by an aperture, fix, as the center of circle; Choose again the circular hole that suitable radius is corresponding, with another one-pen, through this hole, together with ruler, around the first circular hole, rotate, so just can obtain required circle or circular arc.
This Novel ruler not only can be measured length, draws straight line, can also draw out circle or the circular arc of different radii.Utilize this ruler to draw circular, not only rapidly but also standard.In use, this ruler is also convenient to pick up, and prevents that scale is worn.
Claims (3)
1. a Novel ruler, is characterized in that: the central authorities of ruler are provided with a series of aperture, and edge surrounding is provided with groove.
2. a kind of Novel ruler as claimed in claim 1, is characterized in that: 2 millimeters of described hole diameters, and 5 millimeters of aperture Center Gap, aperture is once along being distributed in central authorities on the length direction of ruler.Aliging with zero graduation line in the center of first aperture, aligns with the graduation mark of 5 millimeters in second hole.
3. a kind of Novel ruler as claimed in claim 1, is characterized in that: 5 millimeters apart from scale limit of described edge groove, 3 millimeters, other three limit, dark 1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310731961.5A CN103660726A (en) | 2013-12-18 | 2013-12-18 | Novel ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310731961.5A CN103660726A (en) | 2013-12-18 | 2013-12-18 | Novel ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103660726A true CN103660726A (en) | 2014-03-26 |
Family
ID=50299999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310731961.5A Pending CN103660726A (en) | 2013-12-18 | 2013-12-18 | Novel ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103660726A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015063787A1 (en) * | 2013-11-01 | 2015-05-07 | Nayaki Madhavaraju Hamsa Nandhini | The point finder and locator device for geometrical figures |
| CN104742606A (en) * | 2015-03-17 | 2015-07-01 | 张懿孜 | Multi-functional combined ruler |
-
2013
- 2013-12-18 CN CN201310731961.5A patent/CN103660726A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015063787A1 (en) * | 2013-11-01 | 2015-05-07 | Nayaki Madhavaraju Hamsa Nandhini | The point finder and locator device for geometrical figures |
| CN104742606A (en) * | 2015-03-17 | 2015-07-01 | 张懿孜 | Multi-functional combined ruler |
| CN104742606B (en) * | 2015-03-17 | 2021-07-16 | 张懿孜 | Multifunctional combined ruler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |