CN2860874Y - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN2860874Y CN2860874Y CN 200520094661 CN200520094661U CN2860874Y CN 2860874 Y CN2860874 Y CN 2860874Y CN 200520094661 CN200520094661 CN 200520094661 CN 200520094661 U CN200520094661 U CN 200520094661U CN 2860874 Y CN2860874 Y CN 2860874Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- pulley bracket
- utility
- frame
- model
- 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
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Abstract
The utility model relates a blackboard wiper comprising a group of orbited frame, pulley bracket and mobile blackboard wiper. The pulley bracket is installed between frame and orbit; the mobile blackboard wiper is installed on the pulley bracket and is provided with a sponge. The utility model with a simple structure and convenient use can prevent effectively the dusts generated in the wiping the blackboard from flying about and thereby protect the health of both teachers and students.
Description
Technical field the utility model relates to a kind of cleaning appliance, especially a kind of blackboard eraser.
The instrument that technical background is used to erase the board at present mainly is that the mobile blackboard that hand is taken is wiped.The major defect of this blackboard eraser is: the blackboard after the wiping, leave the scratch of a rule, and teacher's labour intensity is big, and in the process that erases the board, dust from flying has a strong impact on the healthy of academics and students.
The summary of the invention the purpose of this utility model provides a kind of novel blackboard eraser.
For achieving the above object, the utility model blackboard eraser comprises one group of frame that has track, pulley bracket and Active blackboard eraser, be installed in for pulley bracket between the track of frame of track, Active blackboard eraser is installed on the pulley bracket, and Active blackboard eraser is provided with sponge.
The utility model has the advantages that: simple in structure, easy to use, prevent dust from flying in the process of erasing the board effectively, play the healthy purpose of protection academics and students.
Description of drawings Fig. 1 is the whole structure schematic diagram of the utility model blackboard eraser.
The specific embodiment such as Fig. 1 show, the utility model blackboard eraser, comprise one group of frame 1 that has track, pulley bracket 2 and Active blackboard eraser 3, it is characterized in that: pulley bracket 2 is installed between the track of frame 1 of track, Active blackboard eraser 3 is installed on the pulley bracket 2, and Active blackboard eraser 3 is provided with sponge 4.
Claims (1)
1, a kind of blackboard eraser, comprise one group of frame (1) that has track, pulley bracket (2) and Active blackboard eraser (3), it is characterized in that: pulley bracket (2) is installed between the track of frame (1) of track, Active blackboard eraser (3) is installed on the pulley bracket (2), and Active blackboard eraser (3) is provided with sponge (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520094661 CN2860874Y (en) | 2005-12-14 | 2005-12-14 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520094661 CN2860874Y (en) | 2005-12-14 | 2005-12-14 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2860874Y true CN2860874Y (en) | 2007-01-24 |
Family
ID=37658502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520094661 Expired - Fee Related CN2860874Y (en) | 2005-12-14 | 2005-12-14 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2860874Y (en) |
-
2005
- 2005-12-14 CN CN 200520094661 patent/CN2860874Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |