# CN204095360U - 一种多功能教学工具 - Google Patents

## Info

Publication number
CN204095360U
CN204095360U CN201420496470.7U CN201420496470U CN204095360U CN 204095360 U CN204095360 U CN 204095360U CN 201420496470 U CN201420496470 U CN 201420496470U CN 204095360 U CN204095360 U CN 204095360U
Authority
CN
China
Prior art keywords
ruler
compasses
shaped
protractor
groove
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
CN201420496470.7U
Other languages
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 CN201420496470.7U priority Critical patent/CN204095360U/zh
Application granted granted Critical
Publication of CN204095360U publication Critical patent/CN204095360U/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

## Landscapes

• Drawing Aids And Blackboards (AREA)

## Description

1、由于本实用新型中设有可调节型螺丝，因此，粉笔套可在卡槽内自由活动，使得直尺可以画出所需各种大小的圆形。
2、本实用新型结构简单，制作方便，造价低廉，易于携带，适合广大物理、数学教师课堂教学使用。

## Claims (1)

1.一种多功能教学工具，包括设有量角器（1）、直尺（2）和直尺形圆规（3），其特征在于：量角器（1）、直尺（2）和直尺形圆规（3）全部用可调节型螺丝（4）固定；所述直尺形圆规（3）内设卡槽（5），其内部设粉笔套（6），所述粉笔套（6）可在卡槽内自由活动；所述直尺形圆规（3）可旋转360度。
CN201420496470.7U 2014-09-01 2014-09-01 一种多功能教学工具 Expired - Fee Related CN204095360U (zh)

## Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420496470.7U CN204095360U (zh) 2014-09-01 2014-09-01 一种多功能教学工具

## Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420496470.7U CN204095360U (zh) 2014-09-01 2014-09-01 一种多功能教学工具

## Publications (1)

Publication Number Publication Date
CN204095360U true CN204095360U (zh) 2015-01-14

# Family

## Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420496470.7U Expired - Fee Related CN204095360U (zh) 2014-09-01 2014-09-01 一种多功能教学工具

## Country Status (1)

CN (1) CN204095360U (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: 20150114

Termination date: 20150901

EXPY Termination of patent right or utility model