JPH0227392U - - Google Patents

Info

Publication number
JPH0227392U
JPH0227392U JP10412988U JP10412988U JPH0227392U JP H0227392 U JPH0227392 U JP H0227392U JP 10412988 U JP10412988 U JP 10412988U JP 10412988 U JP10412988 U JP 10412988U JP H0227392 U JPH0227392 U JP H0227392U
Authority
JP
Japan
Prior art keywords
triangular
ruler
angles
triangle
similar
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
JP10412988U
Other languages
English (en)
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 filed Critical
Priority to JP10412988U priority Critical patent/JPH0227392U/ja
Publication of JPH0227392U publication Critical patent/JPH0227392U/ja
Pending legal-status Critical Current

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  • Drawing Aids And Blackboards (AREA)

Description

【図面の簡単な説明】
図はこの考案の平面図である。第１図は、４５
゜、４５゜、９０゜の３つの角度からなる三角定
規Ａと、切り抜き穴である三角形Ｃを示し、第２
図は、６０°、３０゜、９０゜の３つの角度から
なる三角定規Ｂと、切り抜き穴である三角形Ｄを
示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. ４５゜、４５゜、９０゜の３つの角からなる三
    角定規Ａと、３０゜、６０゜、９０゜の３つの角
    からなる三角定規Ｂとの２枚の三角定規において
    、Ａの所定の位置にはＢと相似形である三角形Ｃ
    を切り抜き、Ｂの所定の位置にはＡと相似形であ
    る三角形Ｄを切り抜いた形状であり、ＡとＢの２
    枚には切り抜き穴の三角形がそれぞれの所定の位
    置にあるために１５゜、３０゜、４５゜、６０゜
    、７５゜、９０゜の６種類の角度をどちらもが備
    えている２枚の三角定規。
JP10412988U 1988-08-08 1988-08-08 Pending JPH0227392U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10412988U JPH0227392U (ja) 1988-08-08 1988-08-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10412988U JPH0227392U (ja) 1988-08-08 1988-08-08

Publications (1)

Publication Number Publication Date
JPH0227392U true JPH0227392U (ja) 1990-02-22

Family

ID=31335573

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10412988U Pending JPH0227392U (ja) 1988-08-08 1988-08-08

Country Status (1)

Country Link
JP (1) JPH0227392U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014042084A1 (ja) * 2012-09-14 2014-03-20 有限会社パスカル 図形板セット

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5935091B2 (ja) * 1979-11-12 1984-08-27 日本電信電話株式会社 光学的情報の読みとり装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5935091B2 (ja) * 1979-11-12 1984-08-27 日本電信電話株式会社 光学的情報の読みとり装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014042084A1 (ja) * 2012-09-14 2014-03-20 有限会社パスカル 図形板セット
JP2014059355A (ja) * 2012-09-14 2014-04-03 Pascal:Kk 図形板セット
US9443439B2 (en) 2012-09-14 2016-09-13 Pascal Co., Ltd. Figure plate set

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