JPS6270994U - - Google Patents
Info
- Publication number
- JPS6270994U JPS6270994U JP16206485U JP16206485U JPS6270994U JP S6270994 U JPS6270994 U JP S6270994U JP 16206485 U JP16206485 U JP 16206485U JP 16206485 U JP16206485 U JP 16206485U JP S6270994 U JPS6270994 U JP S6270994U
- Authority
- JP
- Japan
- Prior art keywords
- concentric circles
- grooves
- compass
- auxiliary plate
- center
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Description
第１図は本考案の一実施例の補助板付コンパス
を示す概略構成図、第２図は同補助板付コンパス
の筆記手段を示す概略側断面図、第３図は同補助
板付コンパスの動作例を示す概略平面図である。
１…補助板、２…同心円、３…針、４…溝、５
…筆記手段、２１…中心。
Fig. 1 is a schematic configuration diagram showing a compass with an auxiliary plate according to an embodiment of the present invention, Fig. 2 is a schematic side sectional view showing the writing means of the compass with an auxiliary plate, and Fig. 3 is an example of the operation of the compass with an auxiliary plate. FIG. 1... Auxiliary plate, 2... Concentric circle, 3... Needle, 4... Groove, 5
...Means of writing, 21...Center.
Claims (1)
に回転軸を備え、かつ、前記同心円の半径方向に
溝を形成した補助板と、前記溝に沿つて移動する
筆記手段とを備えたことを特徴とする補助板付コ
ンパス。 A plurality of concentric circles are formed, a rotating shaft is provided at the center of the concentric circles, an auxiliary plate is formed with grooves in the radial direction of the concentric circles, and a writing means moves along the grooves. A compass with an auxiliary board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16206485U JPS6270994U (en) | 1985-10-24 | 1985-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16206485U JPS6270994U (en) | 1985-10-24 | 1985-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6270994U true JPS6270994U (en) | 1987-05-06 |
Family
ID=31088965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16206485U Pending JPS6270994U (en) | 1985-10-24 | 1985-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6270994U (en) |
-
1985
- 1985-10-24 JP JP16206485U patent/JPS6270994U/ja active Pending
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