# CN201951098U - 数学教学用的组合绘图尺 - Google Patents

## Info

Publication number
CN201951098U
CN201951098U CN2011200226048U CN201120022604U CN201951098U CN 201951098 U CN201951098 U CN 201951098U CN 2011200226048 U CN2011200226048 U CN 2011200226048U CN 201120022604 U CN201120022604 U CN 201120022604U CN 201951098 U CN201951098 U CN 201951098U
Authority
CN
China
Prior art keywords
angle
compasses
angled triangles
drawing ruler
combined drawing
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
CN2011200226048U
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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
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN2011200226048U priority Critical patent/CN201951098U/zh
Application granted granted Critical
Publication of CN201951098U publication Critical patent/CN201951098U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

## Claims (2)

1.一种数学教学用的组合绘图尺，由等腰直角三角形尺(1)和60°角直角三角形(2)组成，等腰直角三角形尺(1)的斜边是60°角直角三角形(2)直角短边，其特征是：在60°角直角三角形(2)直角长边侧上端通过铰轴(4)连接圆规转杆(3)上端，下端设有固定卡座(5)与圆规转杆(3)配合，圆规转杆(3)下端设粉笔固定套(6)。
2.按权利要求1所述的数学教学用的组合绘图尺，其特征是：所述的等腰直角三角形尺(1)和60°角直角三角形(2)上分别设有八边形、四边形、梯形、圆形通孔。
CN2011200226048U 2011-01-15 2011-01-15 数学教学用的组合绘图尺 Expired - Fee Related CN201951098U (zh)

## Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200226048U CN201951098U (zh) 2011-01-15 2011-01-15 数学教学用的组合绘图尺

## Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200226048U CN201951098U (zh) 2011-01-15 2011-01-15 数学教学用的组合绘图尺

## Publications (1)

Publication Number Publication Date
CN201951098U true CN201951098U (zh) 2011-08-31

# Family

## Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200226048U Expired - Fee Related CN201951098U (zh) 2011-01-15 2011-01-15 数学教学用的组合绘图尺

## Country Status (1)

CN (1) CN201951098U (zh)

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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: 20110831

Termination date: 20120115