CN102896949A - Protractor - Google Patents
Protractor Download PDFInfo
- Publication number
- CN102896949A CN102896949A CN 201110209332 CN201110209332A CN102896949A CN 102896949 A CN102896949 A CN 102896949A CN 201110209332 CN201110209332 CN 201110209332 CN 201110209332 A CN201110209332 A CN 201110209332A CN 102896949 A CN102896949 A CN 102896949A
- Authority
- CN
- China
- Prior art keywords
- protractor
- ruler
- set square
- convenient
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Images
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- Drawing Aids And Blackboards (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention provides a protractor. A hollow triangular ruler is arranged in the middle of the protractor body, and a straight ruler is arranged on the lateral side of the protractor body. Due to above structure, the protractor has multiple functions including measuring angles and length and drawing triangles and is more convenient in use.
Description
Technical field
The present invention relates to a kind of protractor, specifically a kind of multiple use angle protractor.
Background technology
In existing stationery, protractor is three kinds of not identical products with set square and ruler, and is used in conjunction with each other at work.
Summary of the invention
The invention provides a kind of protractor, protractor and set square, ruler are combined into one, it is especially convenient to use.
The present invention includes the body of protractor, the technical scheme that adopts is: described protractor is provided with the set square of hollow out in the middle of body, and there is ruler on the side side.
Beneficial effect of the present invention is: setting makes protractor have measuring and calculating angle and length and can draw leg-of-mutton multiple use function thus, makes protractor convenient in the use.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Accompanying drawing is structural representation of the present invention.
The specific embodiment
Shown in the accompanying drawing embodiment: protractor is provided with the set square 2 of hollow out in the middle of body 1, and there is ruler 3 on the side side.
Claims (1)
1. protractor comprises the body (1) of protractor, and it is characterized in that: described protractor is provided with the set square (2) of hollow out in the middle of body (1), and side is other ruler (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110209332 CN102896949A (en) | 2011-07-26 | 2011-07-26 | Protractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110209332 CN102896949A (en) | 2011-07-26 | 2011-07-26 | Protractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102896949A true CN102896949A (en) | 2013-01-30 |
Family
ID=47569567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110209332 Pending CN102896949A (en) | 2011-07-26 | 2011-07-26 | Protractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102896949A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015066932A1 (en) * | 2013-11-08 | 2015-05-14 | 邢皓宇 | Educational ruler |
| CN110317553A (en) * | 2019-04-25 | 2019-10-11 | 中山市旭森涂层材料有限公司 | A kind of preparation method of no glue one way perspective paste |
-
2011
- 2011-07-26 CN CN 201110209332 patent/CN102896949A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015066932A1 (en) * | 2013-11-08 | 2015-05-14 | 邢皓宇 | Educational ruler |
| US9897427B2 (en) | 2013-11-08 | 2018-02-20 | HAOYU Xing | Educational ruler |
| CN110317553A (en) * | 2019-04-25 | 2019-10-11 | 中山市旭森涂层材料有限公司 | A kind of preparation method of no glue one way perspective paste |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130130 |