CN104417189A - Double-material ruler - Google Patents
Double-material ruler Download PDFInfo
- Publication number
- CN104417189A CN104417189A CN201310361291.2A CN201310361291A CN104417189A CN 104417189 A CN104417189 A CN 104417189A CN 201310361291 A CN201310361291 A CN 201310361291A CN 104417189 A CN104417189 A CN 104417189A
- Authority
- CN
- China
- Prior art keywords
- ruler
- ruler body
- bound edge
- double
- flat thin
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L7/00—Straightedges
- B43L7/002—Straightedges for drawing boards and tables
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides a double-material ruler. The double-material ruler comprises a ruler body; a covered edge with scales is arranged on the long side of one side of the ruler body; two magnet pieces are arranged in the ruler body; the covered edge is made of iron or an aluminum alloy; and the ruler body is made of plastic. The double-material ruler has the advantages that due to the covered edge, the ruler is not prone to deforming after long-time use; the ruler body is made of plastic, and the covered edge is made of metal, so that the self weight of the ruler is reduced, and the ruler is convenient to carry and use; and due to arrangement of the two magnet pieces, the ruler can be more conveniently fixed to a drawing plate made of magnets.
Description
Technical field
The invention belongs to office appliance field, be specifically related to a kind of two material ruler.
Background technology
Existing ruler has plastic products, also has ironwork, and wherein the ruler of plastic material is easy to the chi limit of wearing and tearing graduation mark side in Long-Time Service process, cause using the line drawn too long afterwards not straight, the ruler of irony is light not, carries inconvenience, and not easily fixes on drawing board.
Summary of the invention
The object of the invention is to overcome that existing ruler easily weares and teares, light not and not easily fixing problem.
1, for this reason, the invention provides a kind of two material ruler, comprise ruler body, the long limit, side of ruler body is provided with bound edge with a scale, and be provided with two flat thin magnets in ruler body, bound edge is made up of iron or aluminium alloy, and described ruler body is made of plastics.
Above-mentioned two flat thin magnets with the center line on the long limit of ruler body for symmetry axis is symmetricly set on the other ruler body of bound edge.
Above-mentioned ruler body and bound edge are fixed by glue or screw.
Above-mentioned ruler body is less than body by the thickness in the coated region of described bound edge, and other are not wrapped by the thickness in region, and the shape of cross section in described coated region is right-angled trapezium, and graduation mark is arranged on the hypotenuse of this right-angled trapezium.
The two material ruler of one provided by the invention, comprise ruler body, the long limit, side of ruler body is provided with bound edge with a scale, two flat thin magnets are provided with in ruler body, its advantage is: bound edge be arranged so that ruler of long duration time not yielding, plastic material does ruler body, metal material does bound edge, alleviates the weight of ruler self, easy to carry and use, ruler fixed by the drawing board being arranged to make at magnet of two flat thin magnets convenient.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of pair of material ruler.
Fig. 2 is the left view of a kind of pair of material ruler.
In figure: 1, ruler body; 2, flat thin magnet; 3, bound edge.
Detailed description of the invention
Embodiment 1:
Present embodiments provide the two material rulers shown in a kind of Fig. 1, comprise ruler body 1, the long limit, side of ruler body 1 is provided with bound edge 3 with a scale, be provided with two flat thin magnets 2 in ruler body 1, the material of bound edge 3 is metal (as iron or aluminium alloy etc.), and the material of ruler body 1 is plastics, such setting, effectively reduce the weight of ruler self, the wearing and tearing at edge, ruler scale side can be prevented again, effectively can extend the service life of ruler.
Embodiment 2:
On the basis of embodiment 1, two flat thin magnets 2 that the present embodiment provides with the center line on the long limit of ruler body 1 for symmetry axis is symmetricly set on the other ruler body 1 of bound edge 3, ruler body 1 and bound edge 3 are fixed by glue or screw, ruler body 1 is less than described body 1 by the thickness in the coated region of bound edge 3, and other are not wrapped by the thickness in region, the shape of cross section in this coated region as shown in Figure 2, be right-angled trapezium, and graduation mark is arranged on the hypotenuse of this right-angled trapezium.
This pair of material ruler that the present embodiment provides in use, only the scale on bound edge 3 need be aimed at the straight line that will measure, length can be measured, also whole ruler can be placed on the position of specifying to rule, when the drawing lining out that magnet is made, only ruler need be placed on correct position, blade is namely by two magnet, be fixed on drawing board, bring convenience for people draw.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (4)
1. a two material ruler, comprise ruler body (1), it is characterized in that: the long limit, side of described ruler body (1) is provided with bound edge (3) with a scale, two flat thin magnets (2) are provided with in described ruler body (1), described bound edge (3) is made up of iron or aluminium alloy, and described ruler body (1) is made of plastics.
2. a kind of two material ruler as claimed in claim 1, is characterized in that: described two flat thin magnets (2) are that symmetry axis is symmetricly set on the other ruler body (1) of bound edge (3) with the center line on ruler body (1) long limit.
3. a kind of two material ruler as claimed in claim 1, is characterized in that: described ruler body (1) and bound edge (3) are fixed by glue or screw.
4. a kind of two material ruler as claimed in claim 1, it is characterized in that: described ruler body (1) be less than described ruler body (1) by the thickness in described bound edge (3) coated region other be not wrapped by the thickness in region, the shape of cross section in described coated region is right-angled trapezium, and graduation mark is arranged on the hypotenuse of this right-angled trapezium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310361291.2A CN104417189A (en) | 2013-08-19 | 2013-08-19 | Double-material ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310361291.2A CN104417189A (en) | 2013-08-19 | 2013-08-19 | Double-material ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104417189A true CN104417189A (en) | 2015-03-18 |
Family
ID=52967745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310361291.2A Withdrawn CN104417189A (en) | 2013-08-19 | 2013-08-19 | Double-material ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104417189A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111409382A (en) * | 2020-04-07 | 2020-07-14 | 周子轩 | Can accomodate teaching aid chi of teaching aid stick |
-
2013
- 2013-08-19 CN CN201310361291.2A patent/CN104417189A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111409382A (en) * | 2020-04-07 | 2020-07-14 | 周子轩 | Can accomodate teaching aid chi of teaching aid stick |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150318 |