JPS60146792U - 一直線に対し、任意の角度で任意の長さの一直線を一動作で描ける下敷き - Google Patents

一直線に対し、任意の角度で任意の長さの一直線を一動作で描ける下敷き

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Publication number
JPS60146792U
JPS60146792U JP3577784U JP3577784U JPS60146792U JP S60146792 U JPS60146792 U JP S60146792U JP 3577784 U JP3577784 U JP 3577784U JP 3577784 U JP3577784 U JP 3577784U JP S60146792 U JPS60146792 U JP S60146792U
Authority
JP
Japan
Prior art keywords
underlay
draw
allows
angle
length
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.)
Granted
Application number
JP3577784U
Other languages
English (en)
Other versions
JPH037186Y2 (ja
Inventor
猛 近藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP3577784U priority Critical patent/JPS60146792U/ja
Publication of JPS60146792U publication Critical patent/JPS60146792U/ja
Application granted granted Critical
Publication of JPH037186Y2 publication Critical patent/JPH037186Y2/ja
Granted legal-status Critical Current

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  • 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。

Description

【図面の簡単な説明】
図はこの考案を施した下敷きの平面図である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 各各の角が直角をなす四角形をした透明材料でできた薄
    板に、図に示すように、周囲に寸法目盛、内側に、５ｍ
    ｍ間隔の点線を１度きぢみて９０度描いた下敷き。
JP3577784U 1984-03-12 1984-03-12 一直線に対し、任意の角度で任意の長さの一直線を一動作で描ける下敷き Granted JPS60146792U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3577784U JPS60146792U (ja) 1984-03-12 1984-03-12 一直線に対し、任意の角度で任意の長さの一直線を一動作で描ける下敷き

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3577784U JPS60146792U (ja) 1984-03-12 1984-03-12 一直線に対し、任意の角度で任意の長さの一直線を一動作で描ける下敷き

Publications (2)

Publication Number Publication Date
JPS60146792U true JPS60146792U (ja) 1985-09-28
JPH037186Y2 JPH037186Y2 (ja) 1991-02-22

Family

ID=30540364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3577784U Granted JPS60146792U (ja) 1984-03-12 1984-03-12 一直線に対し、任意の角度で任意の長さの一直線を一動作で描ける下敷き

Country Status (1)

Country Link
JP (1) JPS60146792U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54105649U (ja) * 1977-12-30 1979-07-25
JPS55123387U (ja) * 1979-02-26 1980-09-02

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54105649U (ja) * 1977-12-30 1979-07-25
JPS55123387U (ja) * 1979-02-26 1980-09-02

Also Published As

Publication number Publication date
JPH037186Y2 (ja) 1991-02-22

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