# CN202293900U - 一种数学教学用组合尺具 - Google Patents

## Info

Publication number
CN202293900U
CN202293900U CN2011203846945U CN201120384694U CN202293900U CN 202293900 U CN202293900 U CN 202293900U CN 2011203846945 U CN2011203846945 U CN 2011203846945U CN 201120384694 U CN201120384694 U CN 201120384694U CN 202293900 U CN202293900 U CN 202293900U
Authority
CN
China
Prior art keywords
ruler
angle
mathematical education
connecting line
disk
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
Application number
CN2011203846945U
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English (en)
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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
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Publication date
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Priority to CN2011203846945U priority Critical patent/CN202293900U/zh
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Publication of CN202293900U publication Critical patent/CN202293900U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

## Claims (1)

1.一种数学教学用组合尺具，在直尺(5)的上平面上设置有刻度，其特征在于在直尺(5)的下面一端，设置有吸盘(7)，在直尺(5)的上面另一端，设置有销轴(1)，连接到销轴(1)上，设置有画圆半径连接线(2)，画圆半径连接线(2)的末端连接设置有粉笔套(6)；在直尺(5)的居中位置，设置有转轴(4)，插入在直尺(5)内与转轴(4)连接，设置有角度尺(9)；在直尺(5)的上平面，以转轴(4)为圆心，设置有量角器形式的角度盘(8)，角度盘(8)上设置有与角度尺(9)联动的角度指针(3)。
CN2011203846945U 2011-10-08 2011-10-08 一种数学教学用组合尺具 Expired - Fee Related CN202293900U (zh)

## Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203846945U CN202293900U (zh) 2011-10-08 2011-10-08 一种数学教学用组合尺具

## Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203846945U CN202293900U (zh) 2011-10-08 2011-10-08 一种数学教学用组合尺具

## Publications (1)

Publication Number Publication Date
CN202293900U true CN202293900U (zh) 2012-07-04

# Family

## Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203846945U Expired - Fee Related CN202293900U (zh) 2011-10-08 2011-10-08 一种数学教学用组合尺具

## Country Status (1)

CN (1) CN202293900U (zh)

## Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106323237A (zh) * 2016-10-26 2017-01-11 贵州盘江精煤股份有限公司 一种用于矿井钻孔角度测量的简易量角仪及其操作方法
CN107512121A (zh) * 2017-08-29 2017-12-26 许昌市建安区第实验学校 一种可无限延伸的组合尺
CN107584937A (zh) * 2017-08-26 2018-01-16 朱冠臣 一种高中数学用绘图装置
CN108177467A (zh) * 2017-12-29 2018-06-19 陕西科技大学 一种教学专用尺规

## Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106323237A (zh) * 2016-10-26 2017-01-11 贵州盘江精煤股份有限公司 一种用于矿井钻孔角度测量的简易量角仪及其操作方法
CN107584937A (zh) * 2017-08-26 2018-01-16 朱冠臣 一种高中数学用绘图装置
CN107512121A (zh) * 2017-08-29 2017-12-26 许昌市建安区第实验学校 一种可无限延伸的组合尺
CN108177467A (zh) * 2017-12-29 2018-06-19 陕西科技大学 一种教学专用尺规

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## Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120704

Termination date: 20121008