JPH0429802U - - Google Patents
Info
- Publication number
- JPH0429802U JPH0429802U JP7008290U JP7008290U JPH0429802U JP H0429802 U JPH0429802 U JP H0429802U JP 7008290 U JP7008290 U JP 7008290U JP 7008290 U JP7008290 U JP 7008290U JP H0429802 U JPH0429802 U JP H0429802U
- Authority
- JP
- Japan
- Prior art keywords
- edge
- plate
- angle scale
- scale
- measuring
- 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
- 238000005259 measurement Methods 0.000 claims description 4
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Description
図面は本考案の一実施例を示すものであつて、
第１図は全体正面図、第２図はその目盛板の正面
図、第３，４図はその使用状態を示す正面図、第
５図は従来構造の全体正面図、第６図はその断面
図、第７図はその正面図、第８，９図はその使用
状態を示す正面図、第１０図はその正面図である
。
１……基準測定縁、２……角度目盛、３……目
盛板、４……枢軸、５……可動測定縁、６……指
標、７……測定板、１１……切欠部、１２……切
欠測定縁。
The drawings show one embodiment of the present invention,
Figure 1 is an overall front view, Figure 2 is a front view of the scale plate, Figures 3 and 4 are front views showing its usage, Figure 5 is an overall front view of the conventional structure, and Figure 6 is its cross section. 7 are front views thereof, FIGS. 8 and 9 are front views showing the state of use thereof, and FIG. 10 is a front view thereof. DESCRIPTION OF SYMBOLS 1...Reference measurement edge, 2...Angle scale, 3...Scale plate, 4...Pivot, 5...Movable measurement edge, 6...Indicator, 7...Measurement plate, 11...Notch, 12... ...Notch measuring edge.
Claims (1)
に沿つて角度目盛を付してなる目盛板と、該目盛
板の角度目盛中心に枢軸により回動自在に枢着さ
れ、竿板状にして辺縁を可動測定縁とし上記角度
目盛を読むための指標を付してなる測定板とから
なり、上記目盛板は切欠部を有して上記基準測定
縁に平行な切欠測定縁を備えて構成されているこ
とを特徴とするプロトラクター。 A scale plate having a substantially semicircular shape with a cut edge as a reference measurement edge and an angle scale attached along the periphery; a measuring plate having a movable measuring edge and an index for reading the angle scale; A protractor comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7008290U JPH0429802U (en) | 1990-06-30 | 1990-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7008290U JPH0429802U (en) | 1990-06-30 | 1990-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0429802U true JPH0429802U (en) | 1992-03-10 |
Family
ID=31605949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7008290U Pending JPH0429802U (en) | 1990-06-30 | 1990-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429802U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5857705B2 (en) * | 1973-04-26 | 1983-12-21 | 住友金属工業株式会社 | Keikoujifuntanshohou Oyobi Sonosouchi |
-
1990
- 1990-06-30 JP JP7008290U patent/JPH0429802U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5857705B2 (en) * | 1973-04-26 | 1983-12-21 | 住友金属工業株式会社 | Keikoujifuntanshohou Oyobi Sonosouchi |