JPS60191389U - protractor - Google Patents
protractorInfo
- Publication number
- JPS60191389U JPS60191389U JP7813884U JP7813884U JPS60191389U JP S60191389 U JPS60191389 U JP S60191389U JP 7813884 U JP7813884 U JP 7813884U JP 7813884 U JP7813884 U JP 7813884U JP S60191389 U JPS60191389 U JP S60191389U
- Authority
- JP
- Japan
- Prior art keywords
- line
- circular hole
- attached
- center
- plate
- 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)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の第１実施例の平面図、第２図はその■
−■線拡線断大断面図３図は枠板と回動板とを分解して
示す平面図、第４図は本考案の第２実施例の平面図であ
る。
１・・・・・・円孔、２・・・・・・枠板、３・・・・
・・角度目盛り、５・・・・・・回動板、７・・・・・
・切欠部、８ａ、８ｂ・・・・・・線引き縁、１０・・
・・・・ＮＳ線、１１・・・・・・ＥＷ線、１２ａ、１
２ｂ・・・・・・長さ目盛り。Figure 1 is a plan view of the first embodiment of the present invention, and Figure 2 is its
3 is an exploded plan view showing the frame plate and rotating plate, and FIG. 4 is a plan view of a second embodiment of the present invention. 1...Circular hole, 2...Frame plate, 3...
...Angle scale, 5... Rotating plate, 7...
・Notch part, 8a, 8b... Line drawing edge, 10...
...NS line, 11...EW line, 12a, 1
2b... Length scale.
Claims (1)
自在に支持せしめ、前記枠板の円孔の周縁に角度目盛り
を付する一方、前記回動板にＮＳ線及びＥＷ線を示す表
−示を設けると共に、回動板にその中心と円周の１点と
を結ぶ直線上にあり、且つその始点が前記中心にある線
引き縁を有する切欠部を設け、且つ前記線引き縁に長さ
目盛りを付したことを特徴とする分度器。Assuming that a frame having a circular hole is rotatably supported with a rotating plate that fits into the circular hole, and an angle scale is attached to the periphery of the circular hole of the frame plate, an NS line and an EW line are attached to the rotating plate. In addition to providing an indication indicating a line, a cutout portion having a line drawing edge that is on a straight line connecting the center of the rotary plate and one point on the circumference and whose starting point is at the center; A protractor characterized by a length scale attached to the rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7813884U JPS60191389U (en) | 1984-05-28 | 1984-05-28 | protractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7813884U JPS60191389U (en) | 1984-05-28 | 1984-05-28 | protractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60191389U true JPS60191389U (en) | 1985-12-18 |
Family
ID=30621842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7813884U Pending JPS60191389U (en) | 1984-05-28 | 1984-05-28 | protractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60191389U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS435720Y1 (en) * | 1965-11-26 | 1968-03-13 | ||
| JPS5515809A (en) * | 1978-07-20 | 1980-02-04 | Mitsubishi Mining & Cement Co | Protractor for drawing |
-
1984
- 1984-05-28 JP JP7813884U patent/JPS60191389U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS435720Y1 (en) * | 1965-11-26 | 1968-03-13 | ||
| JPS5515809A (en) * | 1978-07-20 | 1980-02-04 | Mitsubishi Mining & Cement Co | Protractor for drawing |
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