JPS587694U - meter division curve ruler - Google Patents

meter division curve ruler

Info

Publication number
JPS587694U
JPS587694U JP10173081U JP10173081U JPS587694U JP S587694 U JPS587694 U JP S587694U JP 10173081 U JP10173081 U JP 10173081U JP 10173081 U JP10173081 U JP 10173081U JP S587694 U JPS587694 U JP S587694U
Authority
JP
Japan
Prior art keywords
curve ruler
division curve
curvature
radius
ruler
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
Application number
JP10173081U
Other languages
Japanese (ja)
Inventor
神野　伸一
Original Assignee
株式会社ほくさん
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社ほくさん filed Critical 株式会社ほくさん
Priority to JP10173081U priority Critical patent/JPS587694U/en
Publication of JPS587694U publication Critical patent/JPS587694U/en
Pending legal-status Critical Current

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Landscapes

  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Drawing Aids And Blackboards (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のメートル割曲線定規を示す平面説明図、
第２図は同定規の用法説明図、第３図は本考案のメート
ル割曲線定規を示す平面説明図、第４図は同定規の用法
説明図である。 １・・・定規本体、２・・・線引用円弧周縁、３・・・
基準表示、Ｒ・・・曲率半径、イ９９ロ、ハ・・曲率半
径線。Figure 1 is a plan view showing a conventional metric curve ruler;
FIG. 2 is an explanatory diagram of how to use an identification rule, FIG. 3 is an explanatory plan view showing the metric division curve ruler of the present invention, and FIG. 4 is an explanatory diagram of how to use an identification rule. 1... Ruler body, 2... Line reference arc periphery, 3...
Reference display, R...radius of curvature, i99b, c...radius of curvature line.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）所定の曲率半径をもって形成された線引用円弧周
縁を有する板状の定規本体には、上記曲率半径による所
望の曲率半径線上に基準表示を印してなるメートル割曲
線定規。(1) A metric division curve ruler, in which a reference mark is marked on a desired radius of curvature line based on the radius of curvature on a plate-like ruler body having a circumferential edge of a linear arc formed with a predetermined radius of curvature. （２）上記基準表示を、前記線引用円弧周縁を２等分す
る位置に印してなる実用新案登録請求の範囲第１項記載
のメートル割曲線定規。(2) The metric division curve ruler according to claim 1, wherein the reference indication is marked at a position dividing the circumference of the line-quoted circular arc into two equal parts.
JP10173081U 1981-07-08 1981-07-08 meter division curve ruler Pending JPS587694U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10173081U JPS587694U (en) 1981-07-08 1981-07-08 meter division curve ruler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10173081U JPS587694U (en) 1981-07-08 1981-07-08 meter division curve ruler

Publications (1)

Publication Number Publication Date
JPS587694U true JPS587694U (en) 1983-01-18

Family

ID=29896387

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10173081U Pending JPS587694U (en) 1981-07-08 1981-07-08 meter division curve ruler

Country Status (1)

Country Link
JP (1) JPS587694U (en)

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