JPH02148403U - - Google Patents

Info

Publication number
JPH02148403U
JPH02148403U JP5678989U JP5678989U JPH02148403U JP H02148403 U JPH02148403 U JP H02148403U JP 5678989 U JP5678989 U JP 5678989U JP 5678989 U JP5678989 U JP 5678989U JP H02148403 U JPH02148403 U JP H02148403U
Authority
JP
Japan
Prior art keywords
protractor
blade
angle scale
board
angle
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
JP5678989U
Other languages
English (en)
Other versions
JPH0438243Y2 (ja
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 JP1989056789U priority Critical patent/JPH0438243Y2/ja
Publication of JPH02148403U publication Critical patent/JPH02148403U/ja
Application granted granted Critical
Publication of JPH0438243Y2 publication Critical patent/JPH0438243Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Length-Measuring Instruments Using Mechanical Means (AREA)

Description

【図面の簡単な説明】
図面は本考案の一実施例を示すもので、第1図
は従来どおり基線2により測定する状態での平面
図、第2図は窓部4周縁の基線2′により測定す
る状態での平面図、第3図は別例の要部の正面図
である。 1……分度器盤、1′……底辺、2,2′……
基線、3……ブレード、3′……側縁、4……窓
部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 先端に分度器盤上の角度目盛を読むための基線
    を設けたブレードを分度器盤上の中心点Oに廻動
    自在に枢着し、このブレードを廻動して分度器盤
    の底辺とブレードの側縁との角度をブレードの先
    端の基線と分度器盤上の角度目盛とにより測定す
    るプロトラクターにおいて、前記ブレードの枢着
    部下方にして分度器盤上の角度目盛を読み取れる
    位置に窓部を形成し、この窓部周縁に角度目盛を
    読むための基線を設けたことを特徴とするプロト
    ラクター。
JP1989056789U 1989-05-17 1989-05-17 Expired JPH0438243Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989056789U JPH0438243Y2 (ja) 1989-05-17 1989-05-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989056789U JPH0438243Y2 (ja) 1989-05-17 1989-05-17

Publications (2)

Publication Number Publication Date
JPH02148403U true JPH02148403U (ja) 1990-12-17
JPH0438243Y2 JPH0438243Y2 (ja) 1992-09-08

Family

ID=31580930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989056789U Expired JPH0438243Y2 (ja) 1989-05-17 1989-05-17

Country Status (1)

Country Link
JP (1) JPH0438243Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6032453B1 (ja) * 2016-03-23 2016-11-30 新潟精機株式会社 副尺目盛付きプロトラクタ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4832075U (ja) * 1971-08-23 1973-04-18
JPS6198092U (ja) * 1984-12-01 1986-06-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4832075U (ja) * 1971-08-23 1973-04-18
JPS6198092U (ja) * 1984-12-01 1986-06-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6032453B1 (ja) * 2016-03-23 2016-11-30 新潟精機株式会社 副尺目盛付きプロトラクタ

Also Published As

Publication number Publication date
JPH0438243Y2 (ja) 1992-09-08

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