CN2375474Y - Small T-square - Google Patents
Small T-square Download PDFInfo
- Publication number
- CN2375474Y CN2375474Y CN 99215043 CN99215043U CN2375474Y CN 2375474 Y CN2375474 Y CN 2375474Y CN 99215043 CN99215043 CN 99215043 CN 99215043 U CN99215043 U CN 99215043U CN 2375474 Y CN2375474 Y CN 2375474Y
- Authority
- CN
- China
- Prior art keywords
- small
- ruler
- square
- head
- 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 to a small T-square, which relates to the measuring tool class. The small T-square is composed of a ruler and a T-head, wherein, the lower side face of the left end head of the ruler 1 is vertically connected with the T-head 2. The small T-square has simple structure and convenient use, and is suitable for being used by middle and primary school students. The utility model can be used as a right-angle turning ruler of small carpenters, and provides a learning tool for the middle and primary school students.
Description
This Small T-square relates to tool amount series products.
Can only buy little ruler or little set square at present on the market, the pupil is used for the operation of drawing squares, be easy to crooked, rare close inequality.
It is a kind of easy to use that the purpose of this utility model is to provide, low-cost Small T-square.
Below in conjunction with Fig. 1. the Small T-square structural representation is done an explanation to the utility model.
The Small T-square structure as shown in Figure 1, it is made up of ruler 1 and fourth 2, ruler 1 left end head downside vertically links fourth 2, ruler top and fourth head the right downside has millimeter, centimetre, the length groove, carving 1 little lattice below the ruler top is 1 millimeter, 1 big lattice are 1 centimetre, big from left to right ruling below order indicates 0,1,2,3 ... the meter ruler of 25 (or 30) centimetre numeral, the long 4.5mm of little lattice groove, locate the long 6.5mm of groove for 5 millimeters, the long 8.5mm of centimeters groove, coating black in groove and the numeral, the right-hand member head stays the 8mm blank, and the left end head stays 15,20, the 30mm blank.Above the front cut the inclined-plane, the long 5mm of hypotenuse, blade is wide by 15,20,30mm, thick 2,2.5, the 3mm of blade, thick 1.5, the 2mm in blade front is vertical with ruler left end head, link fourth 2, millimeter is arranged below the right edge, centimetre groove is with the ruler groove, the front of 0 line alignment ruler, 0 line both sides symmetry is carved 1,2,3 centimetre, thick 2,2.5, the 3mm of fourth, wide by 15,20,30mm, long by 50,60,70mm, two ends is stayed the 5mm blank, and material can be selected colourless transparent plastic, lucite for use.
This Small T-square thing U.S., inexpensive, simple in structure, easy to use, the limit, left side of fourth head rest homework book or books is moved up and down, straight chi just can mark parallel straight line, but the groove of fourth head is aimed at the just size of the distance of display horizontal line of horizontal line, can earlier the top and the flush left homework book of paper be pinned when drawing single-sheet stationery, with regard to removable Small T-square line.
The utility model is adapted to the usefulness that primary and secondary students draw squares on blank homework book, also can be suitable for little carpenter and turn the chi use as the right angle.For primary and secondary students provide a kind of learning tool.
Embodiment: unit: mm
The long fourth head length of model ruler ruler, fourth head breadth ruler, fourth are thick
0 16.8 50 15 2
1 20.8 60 20 2.5
2 30.8 70 30 3
Claims (2)
1. Small T-square, it is made up of ruler 1 and fourth 2, it is characterized in that ruler 1 left end head downside vertically links fourth 2.
2. by the described Small T-square of claim 1, it is characterized in that ruler top and fourth head the right downside has millimeter, the centimetre length groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99215043 CN2375474Y (en) | 1999-06-15 | 1999-06-15 | Small T-square |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99215043 CN2375474Y (en) | 1999-06-15 | 1999-06-15 | Small T-square |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2375474Y true CN2375474Y (en) | 2000-04-26 |
Family
ID=34007094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99215043 Expired - Fee Related CN2375474Y (en) | 1999-06-15 | 1999-06-15 | Small T-square |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2375474Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097429A (en) * | 2014-07-23 | 2014-10-15 | 上海海事大学 | Digital display T-square and drawing method |
-
1999
- 1999-06-15 CN CN 99215043 patent/CN2375474Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097429A (en) * | 2014-07-23 | 2014-10-15 | 上海海事大学 | Digital display T-square and drawing 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 |