JPH0236492U - - Google Patents
Info
- Publication number
- JPH0236492U JPH0236492U JP11543388U JP11543388U JPH0236492U JP H0236492 U JPH0236492 U JP H0236492U JP 11543388 U JP11543388 U JP 11543388U JP 11543388 U JP11543388 U JP 11543388U JP H0236492 U JPH0236492 U JP H0236492U
- Authority
- JP
- Japan
- Prior art keywords
- angle
- semicircular
- circular arc
- angle indicating
- indicating numbers
- 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
Links
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Description
第１図は本考案の一実施例を示す平面図である
。第２図は第１図〜線断面図である。
１……透明板、２……貫通穴、３……第１の部
分、４……第２の部分、５，５′……角度目盛、
６，６′……角度指示数字。
FIG. 1 is a plan view showing an embodiment of the present invention. FIG. 2 is a sectional view taken along lines from FIG. 1. 1...Transparent plate, 2...Through hole, 3...First part, 4...Second part, 5, 5'...Angle scale,
6, 6'...Angle indication numbers.
Claims (1)
に亘る半環形の貫通穴により半円形の第１の部分
と残る第２の部分とを画成し、その第１の部分の
円弧周辺部に角度目盛及び角度指示数字を表わし
、第２の部分の円弧周辺部に角度目盛、及び前記
角度指示数字と数値の進みが逆の角度指示数字を
表わした分度器。 A polygonal transparent plate with an angle of at least 180°
A semicircular through hole extending over the area defines a semicircular first part and a remaining second part, and an angle scale and an angle indicating number are displayed around the circular arc of the first part, and the second part A protractor having an angle scale on the periphery of a circular arc, and angle indicating numbers whose progression is opposite to the angle indicating numbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11543388U JPH0236492U (en) | 1988-08-31 | 1988-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11543388U JPH0236492U (en) | 1988-08-31 | 1988-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0236492U true JPH0236492U (en) | 1990-03-09 |
Family
ID=31357086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11543388U Pending JPH0236492U (en) | 1988-08-31 | 1988-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0236492U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230696B2 (en) * | 1981-09-09 | 1987-07-03 | Hitachi Ltd |
-
1988
- 1988-08-31 JP JP11543388U patent/JPH0236492U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230696B2 (en) * | 1981-09-09 | 1987-07-03 | Hitachi Ltd |