JPH02121298U - - Google Patents
Info
- Publication number
- JPH02121298U JPH02121298U JP2935689U JP2935689U JPH02121298U JP H02121298 U JPH02121298 U JP H02121298U JP 2935689 U JP2935689 U JP 2935689U JP 2935689 U JP2935689 U JP 2935689U JP H02121298 U JPH02121298 U JP H02121298U
- Authority
- JP
- Japan
- Prior art keywords
- angle
- center
- main body
- semicircular protractor
- angle scale
- 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図は本考案の角度指示プレート付半円分度
器の一実施例の使用状態の斜視図、第２図は角度
目盛中心部の拡大平面図、第３図は従来の半円分
度器の使用状態の斜視図である。
１……半円分度器本体部、２……軸ピン、３…
…角度指示プレート、４……角度目盛中心部中心
、５……角度位置極め指示線、６……角度目盛、
７……対象図形。
Fig. 1 is a perspective view of an embodiment of the semicircular protractor with an angle indicating plate of the present invention in use, Fig. 2 is an enlarged plan view of the center of the angle scale, and Fig. 3 is a conventional semicircular protractor in use. FIG. 1...Semicircular protractor main body, 2...Axis pin, 3...
...Angle indication plate, 4...Center of angle scale, 5...Angle position determination line, 6...Angle scale,
7...Target figure.
Claims (1)
の角度目盛中心部に一端が枢支された回転自在な
透明で細長い角度指示プレートに、前記角度目盛
中心部中心より放射方向に角度位置極め指示線が
設けられていることを特徴とする角度指示プレー
ト付半円分度器。 A rotatable transparent elongated angle indicating plate, which is superimposed on the main body of the semicircular protractor and has one end pivoted at the center of the angle scale of the main body, is used to determine the angular position in a radial direction from the center of the angle scale. A semicircular protractor with an angle indication plate, characterized by being provided with an indication line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2935689U JPH02121298U (en) | 1989-03-14 | 1989-03-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2935689U JPH02121298U (en) | 1989-03-14 | 1989-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02121298U true JPH02121298U (en) | 1990-10-02 |
Family
ID=31253500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2935689U Pending JPH02121298U (en) | 1989-03-14 | 1989-03-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02121298U (en) |
-
1989
- 1989-03-14 JP JP2935689U patent/JPH02121298U/ja active Pending