CN202046050U - Chalk sleeve capable of being used as blackboard eraser - Google Patents

Chalk sleeve capable of being used as blackboard eraser Download PDF

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Publication number
CN202046050U
CN202046050U CN201120081355XU CN201120081355U CN202046050U CN 202046050 U CN202046050 U CN 202046050U CN 201120081355X U CN201120081355X U CN 201120081355XU CN 201120081355 U CN201120081355 U CN 201120081355U CN 202046050 U CN202046050 U CN 202046050U
Authority
CN
China
Prior art keywords
chalk sleeve
blackboard eraser
sleeve capable
layer
utility
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
CN201120081355XU
Other languages
Chinese (zh)
Inventor
成静
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 CN201120081355XU priority Critical patent/CN202046050U/en
Application granted granted Critical
Publication of CN202046050U publication Critical patent/CN202046050U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a chalk sleeve capable of being used as a blackboard eraser. The chalk sleeve capable of being used as a blackboard eraser is characterized in that the chalk sleeve has two layers, and the second layer can be unfolded. The beneficial effects of the utility model are that the chalk sleeve capable of being used as a blackboard eraser is provided; and the second layer of the chalk sleeve can be unfolded, so that the chalk sleeve also serves as a blackboard eraser.

Description

The chalk sleeve that can work as blackboard eraser
Technical field
The utility model relates to a kind of realia, especially a kind of chalk sleeve when blackboard eraser.
Background technology
Present chalk function singleness, function does not erase the board.
Summary of the invention
The purpose of this utility model is exactly to solve the problem of mentioning in the above-mentioned background technology, and a kind of chalk sleeve when blackboard eraser is provided.
The technical solution adopted in the utility model is: can work as the chalk sleeve of blackboard eraser, it is characterized in that: chalk sleeve is two-layer, and the second layer is deployable.
The beneficial effects of the utility model are: a kind of chalk sleeve when blackboard eraser is provided, with the second layer expansion of chalk sleeve, can makes blackboard eraser and use.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
Figure is a structural representation of the present utility model.
Among the figure: 1, chalk sleeve, 2, the second layer.
The specific embodiment
As figure, can work as the chalk sleeve of blackboard eraser, it is characterized in that: chalk sleeve 1 is for two-layer, and the second layer 2 is deployable.The beneficial effects of the utility model are: a kind of chalk sleeve when blackboard eraser is provided, with the second layer expansion of chalk sleeve, can makes blackboard eraser and use.

Claims (1)

1. can work as the chalk sleeve of blackboard eraser, it is characterized in that: chalk sleeve is two-layer, and the second layer is deployable.
CN201120081355XU 2011-03-24 2011-03-24 Chalk sleeve capable of being used as blackboard eraser Expired - Fee Related CN202046050U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120081355XU CN202046050U (en) 2011-03-24 2011-03-24 Chalk sleeve capable of being used as blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120081355XU CN202046050U (en) 2011-03-24 2011-03-24 Chalk sleeve capable of being used as blackboard eraser

Publications (1)

Publication Number Publication Date
CN202046050U true CN202046050U (en) 2011-11-23

Family

ID=44986372

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120081355XU Expired - Fee Related CN202046050U (en) 2011-03-24 2011-03-24 Chalk sleeve capable of being used as blackboard eraser

Country Status (1)

Country Link
CN (1) CN202046050U (en)

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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: 20111123

Termination date: 20120324