# CN205033808U - 一种高中数学教学用教具 - Google Patents

## Info

Publication number
CN205033808U
CN205033808U CN201520822277.2U CN201520822277U CN205033808U CN 205033808 U CN205033808 U CN 205033808U CN 201520822277 U CN201520822277 U CN 201520822277U CN 205033808 U CN205033808 U CN 205033808U
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CN
China
Prior art keywords
scale
chalk
chi
blackboard
ledge
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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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CN201520822277.2U
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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
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Individual
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Priority to CN201520822277.2U priority Critical patent/CN205033808U/zh
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Publication of CN205033808U publication Critical patent/CN205033808U/zh
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Anticipated expiration legal-status Critical

• Toys (AREA)

## Claims (1)

1.一种高中数学教学用教具，该教具包括定尺(1)、动尺(2)和带角度线(4)的半圆仪(3)，其特征在于：所述的定尺(1)两端设有大吸盘(5)，定尺(1)和动尺(2)通过销轴(7)连接，定尺(1)和半圆仪(3)为一体成型，所述的动尺(2)一端设有小吸盘(6)，销轴(7)上连接有麻绳(8)，麻绳(8)连接有粉笔槽(9)，粉笔槽(9)中安装有粉笔(10)，动尺(2)上设有胶皮筋(11)，所述的粉笔槽(9)活动放置于胶皮筋(11)与动尺(2)之间。
CN201520822277.2U 2015-10-16 2015-10-16 一种高中数学教学用教具 Expired - Fee Related CN205033808U (zh)

## Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520822277.2U CN205033808U (zh) 2015-10-16 2015-10-16 一种高中数学教学用教具

## Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520822277.2U CN205033808U (zh) 2015-10-16 2015-10-16 一种高中数学教学用教具

## Publications (1)

Publication Number Publication Date
CN205033808U true CN205033808U (zh) 2016-02-17

# Family

## Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520822277.2U Expired - Fee Related CN205033808U (zh) 2015-10-16 2015-10-16 一种高中数学教学用教具

## Country Status (1)

CN (1) CN205033808U (zh)

## Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107584937A (zh) * 2017-08-26 2018-01-16 朱冠臣 一种高中数学用绘图装置

## Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107584937A (zh) * 2017-08-26 2018-01-16 朱冠臣 一种高中数学用绘图装置

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## Legal Events

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C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160217

Termination date: 20161016

CF01 Termination of patent right due to non-payment of annual fee