CN102896949A - Protractor - Google Patents

Protractor Download PDF

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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
Application number
CN 201110209332
Other languages
Chinese (zh)
Inventor
徐思昊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 201110209332 priority Critical patent/CN102896949A/en
Publication of CN102896949A publication Critical patent/CN102896949A/en
Pending legal-status Critical Current

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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

A kind of protractor
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).
CN 201110209332 2011-07-26 2011-07-26 Protractor Pending CN102896949A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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