# CN203110681U - 一种小学数学教学尺 - Google Patents

## Info

Publication number
CN203110681U
CN203110681U CN 201320189007 CN201320189007U CN203110681U CN 203110681 U CN203110681 U CN 203110681U CN 201320189007 CN201320189007 CN 201320189007 CN 201320189007 U CN201320189007 U CN 201320189007U CN 203110681 U CN203110681 U CN 203110681U
Authority
CN
China
Prior art keywords
ruler
chi
angular surveying
right triangle
primary school
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
CN 201320189007
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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.)
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 201320189007 priority Critical patent/CN203110681U/zh
Application granted granted Critical
Publication of CN203110681U publication Critical patent/CN203110681U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

## Landscapes

• Drawing Aids And Blackboards (AREA)
• Length-Measuring Instruments Using Mechanical Means (AREA)

## Claims (5)

1.一种小学数学教学尺，包括直尺(1)，其特征在于：所述直尺(1)的其中一端一体连接有半圆形的角度测量尺(5)，所述直尺(1)的另一端传动连接有圆规尺(2)，所述直尺(1)上远离角度测量尺(5)的一侧上设有刻度线，所述圆规尺(2)上设有滑槽(11)，所述滑槽(11)内传动连接有滑块(3)，所述滑块(3)上设有用于安装粉笔的粉笔套(4)，所述圆规尺(2)上靠近滑块(3)的一侧上设有刻度线。
2.根据权利要求1所述的一种小学数学教学尺，其特征在于：所述角度测量尺(5)上开设有直角三角形孔(8)、等腰直角三角形孔(10)。
3.根据权利要求2所述的一种小学数学教学尺，其特征在于：所述角度测量尺(5)上开设有矩形孔(7)。
4.根据权利要求3所述的一种小学数学教学尺，其特征在于：所述角度测量尺(5)上开设有椭圆孔(9)。
5.根据权利要求4所述的一种小学数学教学尺，其特征在于：所述角度测量尺(5)的圆心位置传动连接有画线尺(6)，所述画线尺(6)的两侧均标有刻度线。
CN 201320189007 2013-03-30 2013-03-30 一种小学数学教学尺 Expired - Fee Related CN203110681U (zh)

## Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320189007 CN203110681U (zh) 2013-03-30 2013-03-30 一种小学数学教学尺

## Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320189007 CN203110681U (zh) 2013-03-30 2013-03-30 一种小学数学教学尺

## Publications (1)

Publication Number Publication Date
CN203110681U true CN203110681U (zh) 2013-08-07

# Family

## Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320189007 Expired - Fee Related CN203110681U (zh) 2013-03-30 2013-03-30 一种小学数学教学尺

## Country Status (1)

CN (1) CN203110681U (zh)

## Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107757200A (zh) * 2017-10-23 2018-03-06 褚安卓 一种课堂用组合尺

## Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107757200A (zh) * 2017-10-23 2018-03-06 褚安卓 一种课堂用组合尺

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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: 20130807

Termination date: 20140330