CN200984905Y - Electric blackboard eraser - Google Patents
Electric blackboard eraser Download PDFInfo
- Publication number
- CN200984905Y CN200984905Y CN 200620152537 CN200620152537U CN200984905Y CN 200984905 Y CN200984905 Y CN 200984905Y CN 200620152537 CN200620152537 CN 200620152537 CN 200620152537 U CN200620152537 U CN 200620152537U CN 200984905 Y CN200984905 Y CN 200984905Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- blackboard eraser
- utility
- model
- track
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses an electrically powered blackboard brush which comprises a group of frames with rails, a bracket and a movable blackboard brush, wherein the bracket is arranged between the rail frames , the rail frames are internally provided with a pedrail which rotates via an electric motor arranged on one side of the blackboard, and the movable blackboard is arranged on the bracket. The utility model has the advantages of simple structure, convenient use and efficiently preventing the chalk dust from flying upwards in the process of scrubbing the blackboard, therefore, the utility model plays a role of protect the health of teachers and students.
Description
Technical field the utility model relates to a kind of cleaning appliance, especially a kind of electric 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 is to overcome above-mentioned said deficiency and a kind of electric blackboard eraser is provided.
For achieving the above object, the utility model electric blackboard eraser comprises one group of frame that has track, support and Active blackboard eraser, support are installed between the track of frame of track, are provided with crawler belt in the frame of track, crawler belt rotates by the motor of blackboard one side, and Active blackboard eraser is rack-mount.
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 electric blackboard eraser.
The specific embodiment such as Fig. 1 show, the utility model electric blackboard eraser, comprise one group of frame 1 that has track, support 2 and Active blackboard eraser 3, support 2 is installed between the track of frame 1 of track, be provided with crawler belt in the frame 1 of track, crawler belt rotates by the motor 4 of blackboard one side, and Active blackboard eraser 3 is installed on the support 2.
Claims (1)
1, a kind of electric blackboard eraser, comprise one group of frame (1) that has track, support (2) and Active blackboard eraser (3), it is characterized in that: support (2) is installed between the track of frame (1) of track, the frame of track is provided with crawler belt in (1), crawler belt rotates by the motor (4) of blackboard one side, and Active blackboard eraser (3) is installed on the support (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620152537 CN200984905Y (en) | 2006-11-29 | 2006-11-29 | Electric blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620152537 CN200984905Y (en) | 2006-11-29 | 2006-11-29 | Electric blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200984905Y true CN200984905Y (en) | 2007-12-05 |
Family
ID=38914369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620152537 Expired - Fee Related CN200984905Y (en) | 2006-11-29 | 2006-11-29 | Electric blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200984905Y (en) |
-
2006
- 2006-11-29 CN CN 200620152537 patent/CN200984905Y/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20101129 |