CN2741790Y - Marker - Google Patents
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- Publication number
- CN2741790Y CN2741790Y CN 200420096890 CN200420096890U CN2741790Y CN 2741790 Y CN2741790 Y CN 2741790Y CN 200420096890 CN200420096890 CN 200420096890 CN 200420096890 U CN200420096890 U CN 200420096890U CN 2741790 Y CN2741790 Y CN 2741790Y
- Authority
- CN
- China
- Prior art keywords
- scriber
- utility
- model
- chalk
- blackboard
- 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 to a teaching aid, particularly a scriber. The utility model provides a scriber which can draw multiple parallel lines once. The utility model has the technical proposal that the scriber comprises a rectangular frame, wherein, a slide block which slides along the longer side of the frame is arranged in the frame, and at least two chalk grooves are arranged on the slide block. The utility model has the advantages that a teacher does not need to draw lines one by one through a ruler when drawing lines, and so long as the scriber is flat placed on a blackboard, chalks are put in the chalk grooves, and parallel lines conforming to requirements can be drawn out when the slide block is pulled; thus, time and labor are saved, and the lines after drawn can conform to the requirements.
Description
Affiliated technical field
The utility model relates to a kind of teaching aid, particularly a kind of scriber.
Background technology
At present, the teacher need draw some parallel lines often in teaching on blackboard, and the teacher generally goes out line drawing with ruler when setting-out one by one, both wastes time and energy, and the line that is drawn is also very easily undesirable.
Summary of the invention
The utility model provides a kind of scriber of many parallel lines that can once draw.
The technical solution of the utility model is: comprise rectangular framework, in inside of frame the sliding shoe that slides along the long one side of framework is installed, at least two ledges for chalk on blackboard are arranged on sliding shoe.
The beneficial effects of the utility model are: the teacher does not need one by one line drawing to be gone out with ruler when setting-out, as long as this scriber is lain on the blackboard, in ledge for chalk on blackboard, put into chalk, the pulling sliding shoe satisfactory parallel lines that can draw, so both time saving and energy saving, the line that is drawn also meets the requirements.
Be positioned at and fixedly mount jug on the framework.Be convenient to the use of controlling of this scriber like this.
Ledge for chalk on blackboard on sliding shoe is arranged side by side along the direction of sliding perpendicular to sliding shoe, and spring shim is arranged in ledge for chalk on blackboard.Can guarantee that like this, in use the straight line parallel and the stitching that are drawn are clear.
Description of drawings
Fig. 1 is the schematic diagram of the utility model embodiment;
Fig. 2 is that the A-A of Fig. 1 is to profile.
Among the figure: 1. framework, 2. handle, 3. sliding shoe, 4. spring shim, 5. ledge for chalk on blackboard.
The specific embodiment
As shown in Figure 1, this scriber comprises rectangular framework 1, and the sliding shoe 3 that slides along the long one side of framework 1 is installed in the inside of framework 1, is positioned at fixed installation jug 2 on the framework 1.
As shown in Figure 2,4 ledges for chalk on blackboard 5 are arranged on sliding shoe 3.Ledge for chalk on blackboard 5 on sliding shoe 3 is arranged side by side along the direction of sliding perpendicular to sliding shoe 3, and spring shim 4 is arranged in ledge for chalk on blackboard 5, during use chalk is inserted in the ledge for chalk on blackboard 5, can use.
Claims (3)
1. a scriber is characterized in that: comprise rectangular framework (1), be equipped with in the inside of framework (1) along the long sliding shoe (3) that slides of framework (1) that two ledges for chalk on blackboard (5) are arranged on one side at least on sliding shoe (3).
2. scriber as claimed in claim 1 is characterized in that: be positioned at framework (1) and go up fixed installation jug (2).
3. scriber as claimed in claim 1 or 2 is characterized in that: the ledge for chalk on blackboard (5) on sliding shoe (3) is arranged side by side along the direction of sliding perpendicular to sliding shoe (3), and spring shim (4) is arranged in ledge for chalk on blackboard (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096890 CN2741790Y (en) | 2004-10-21 | 2004-10-21 | Marker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096890 CN2741790Y (en) | 2004-10-21 | 2004-10-21 | Marker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2741790Y true CN2741790Y (en) | 2005-11-23 |
Family
ID=35477262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420096890 Expired - Fee Related CN2741790Y (en) | 2004-10-21 | 2004-10-21 | Marker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2741790Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081981A (en) * | 2017-04-21 | 2017-08-22 | 黄士玉 | A kind of portable Mathematical teaching rule of modified and its application method |
-
2004
- 2004-10-21 CN CN 200420096890 patent/CN2741790Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081981A (en) * | 2017-04-21 | 2017-08-22 | 黄士玉 | A kind of portable Mathematical teaching rule of modified and its application method |
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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 |