JPH01146996U - - Google Patents

Info

Publication number
JPH01146996U
JPH01146996U JP4407788U JP4407788U JPH01146996U JP H01146996 U JPH01146996 U JP H01146996U JP 4407788 U JP4407788 U JP 4407788U JP 4407788 U JP4407788 U JP 4407788U JP H01146996 U JPH01146996 U JP H01146996U
Authority
JP
Japan
Prior art keywords
plate member
fan
center plate
center
shaped 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
Application number
JP4407788U
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 JP4407788U priority Critical patent/JPH01146996U/ja
Publication of JPH01146996U publication Critical patent/JPH01146996U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す平面図である
。 1は中心板部材、2は角度目盛、3は扇形板部
材、4は線引き辺、5は基準線。

Claims (1)

  1. 【実用新案登録請求の範囲】 円形ないし半円形で、周囲に基準線からの角度
    目盛を施した中心板部材と、 中心板部材の円弧に嵌り合うように中心部分を
    切り欠いた扇形板部材とよりなり、 次の(イ)〜(ハ)の特徴を備えた分度器。 (イ) 中心板部材の外周にN極とS極を一定のピ
    ツチで繰返し着磁する。 (ロ) 扇形板部材の内周に、N極とS極を中心板
    部材の着磁ピツチと等しいピツチで少なくとも1
    回着磁する。 (ハ) 扇形板部材の側辺を線引き辺とする。
JP4407788U 1988-03-31 1988-03-31 Pending JPH01146996U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4407788U JPH01146996U (ja) 1988-03-31 1988-03-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4407788U JPH01146996U (ja) 1988-03-31 1988-03-31

Publications (1)

Publication Number Publication Date
JPH01146996U true JPH01146996U (ja) 1989-10-11

Family

ID=31270454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4407788U Pending JPH01146996U (ja) 1988-03-31 1988-03-31

Country Status (1)

Country Link
JP (1) JPH01146996U (ja)

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