# CN203358138U - 一种用于数学课堂教学中的作图器 - Google Patents

## Info

Publication number
CN203358138U
CN203358138U CN 201320428913 CN201320428913U CN203358138U CN 203358138 U CN203358138 U CN 203358138U CN 201320428913 CN201320428913 CN 201320428913 CN 201320428913 U CN201320428913 U CN 201320428913U CN 203358138 U CN203358138 U CN 203358138U
Authority
CN
China
Prior art keywords
ruler
diagraph
spline
main scale
angle square
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.)
Expired - Fee Related
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CN 201320428913
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English (en)
Inventor

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.)
Harbin Vocational and Technical College
Original Assignee
Harbin Vocational and Technical College
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Publication date
Application filed by Harbin Vocational and Technical College filed Critical Harbin Vocational and Technical College
Priority to CN 201320428913 priority Critical patent/CN203358138U/zh
Application granted granted Critical
Publication of CN203358138U publication Critical patent/CN203358138U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

## Description

本实用新型涉及一种供数学教师在课堂上绘制各种数学图形所用的辅助教具。

## Claims (1)

1.一种用于数学课堂教学中的作图器，包括主尺（1）、曲线尺（9）以及量角尺（2），其特征在于：所述作图器还包括一个手持柄（6），此手持柄（6）的底盘（10）内嵌有由永磁材料制成的磁片（11）；所述主尺（1）、曲线尺（9）以及量角尺（2）的尺身中均内置有与所述磁片（11）磁性相反的磁块；

CN 201320428913 2013-07-18 2013-07-18 一种用于数学课堂教学中的作图器 Expired - Fee Related CN203358138U (zh)

## Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320428913 CN203358138U (zh) 2013-07-18 2013-07-18 一种用于数学课堂教学中的作图器

## Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320428913 CN203358138U (zh) 2013-07-18 2013-07-18 一种用于数学课堂教学中的作图器

## Publications (1)

Publication Number Publication Date
CN203358138U true CN203358138U (zh) 2013-12-25

# Family

## Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320428913 Expired - Fee Related CN203358138U (zh) 2013-07-18 2013-07-18 一种用于数学课堂教学中的作图器

## Country Status (1)

CN (1) CN203358138U (zh)

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## Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131225

Termination date: 20150718

EXPY Termination of patent right or utility model