CN2097755U - Multi-purpose drawing ruler - Google Patents
Multi-purpose drawing ruler Download PDFInfo
- Publication number
- CN2097755U CN2097755U CN 91215600 CN91215600U CN2097755U CN 2097755 U CN2097755 U CN 2097755U CN 91215600 CN91215600 CN 91215600 CN 91215600 U CN91215600 U CN 91215600U CN 2097755 U CN2097755 U CN 2097755U
- Authority
- CN
- China
- Prior art keywords
- scale
- protractor
- plate
- curve
- square
- 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.)
- Pending
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model relates to a drawing tool, characterized in that a quadrangular plate has internal angles which are respectively 45 DEG, 60 DEG, 90 DEG and 165 DEG and the quadrangular plate is provided with a curve bore. With the functions of the usual drawing tools such as a straight ruler, a right angle set-square, a protractor and a curve plate, the utility model has very convenient operation.
Description
This utility model is a kind of drawing instrument.
Drawing instrument commonly used has ruler (metric scale, foot rule and engineer's scale), drawing square, protractor and curve ruler.Compound drawing instrument such as domestic multipurpose drawing square are also arranged, in drawing square, designed protractor or curve ruler.The set square that unites two into one that has U.S. MAYLiNE company to manufacture and design abroad, U.S. Patent number 4821424.A kind of drawing instrument that to collect several drawing instrument functions commonly used be one does not appear at present as yet.
This utility model designs in order to address the above problem, for engineers and technicians provide a multipurpose drawing rule easy to use.
Accompanying drawing is the structural representation of multipurpose drawing rule.(1) is quadrangular plate among the figure, and (2), (3) are right-angle sides, and (7), (8), (5) are respectively the scales of metric and English chi and engineer's scale, and (6) are the curve endoporus, and (9), (10) are the protractor datum lines, and (4) are the scales of protractor.
The main points of this utility model are a tetragonal plate, and its interior angle is respectively 45,60,90 and 165 degree. During drawing and T-square be used, can directly draw out 15,30,45,60,90,120,150 and 165 the degree oblique lines, its two right-angle sides have respectively the scale of metric and English chi, or the scale of engineer's scale, can measure metric and English length and proportional sizes. Can directly draw the garden camber line of different R according to the curve endoporus. Bore edges has the datum line of protractor and the scale of protractor, the angle that can measure arbitrary size in the curve. The scale of protractor has two kinds of 0-90 degree and 0-180 degree, and accompanying drawing (1) is the schematic diagram of 0-90 degree.
Use the multipurpose drawing rule can save ruler, drawing square, instruments such as protractor and curve ruler are drawn very convenient.
Claims (3)
1, a kind of multipurpose drawing rule, its principal character is a tetragonal plate (1), and a curved slot (6) is arranged in the plate.
2, according to the described multipurpose drawing rule of right (1), it is characterized in that a tetragonal plate (1), its interior angle is 45,60,90 and 165 degree respectively.Limit (2), limit (3) are right-angle side, and scale (7), (8) of metric and English chi are arranged respectively on the limit.The scale of proportional chi (5) on the hypotenuse.
3, according to the described multipurpose drawing rule of right (1), it is characterized in that a tetragonal plate (1), a curved slot (6) is arranged in the plate, protractor datum line (7), (8) and protractor scale (4) are arranged on its edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91215600 CN2097755U (en) | 1991-06-24 | 1991-06-24 | Multi-purpose drawing ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91215600 CN2097755U (en) | 1991-06-24 | 1991-06-24 | Multi-purpose drawing ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2097755U true CN2097755U (en) | 1992-03-04 |
Family
ID=4923655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91215600 Pending CN2097755U (en) | 1991-06-24 | 1991-06-24 | Multi-purpose drawing ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2097755U (en) |
-
1991
- 1991-06-24 CN CN 91215600 patent/CN2097755U/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |