JPS62144694U - - Google Patents

Info

Publication number
JPS62144694U
JPS62144694U JP3274686U JP3274686U JPS62144694U JP S62144694 U JPS62144694 U JP S62144694U JP 3274686 U JP3274686 U JP 3274686U JP 3274686 U JP3274686 U JP 3274686U JP S62144694 U JPS62144694 U JP S62144694U
Authority
JP
Japan
Prior art keywords
conical
lead
drafting machine
case
peripheral surface
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
JP3274686U
Other languages
English (en)
Other versions
JPH0344550Y2 (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 JP3274686U priority Critical patent/JPH0344550Y2/ja
Publication of JPS62144694U publication Critical patent/JPS62144694U/ja
Application granted granted Critical
Publication of JPH0344550Y2 publication Critical patent/JPH0344550Y2/ja
Expired legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の芯ケースの外形図でイは側面
図(片側断面)、ロは底面図、第2図は芯収納孔
構成図でイは両溝型のもの、ロは片溝型のもの、
第3図は本考案の芯ケースを使用する鉛筆芯装置
の正面図、第4図は収納状態図、第5図は従来の
鉛筆芯装置の斜視図、第6図は従来の芯ケースの
斜視図である。 8:芯収納孔、11:底板、12:円錐軸、1
3:芯ケース、14:当接部材、16:突堤、1
8:芯、21:芯収納溝。

Claims (1)

    【実用新案登録請求の範囲】
  1. 製図機用鉛筆芯装置の芯ケースにおいて、内周
    面が円錐面で、外周面には円錐面上でこの円錐面
    の円錐軸上に収斂する方向にかつ等間隔に複数の
    突堤を設け、前記内周面と外周面の間で同一円錐
    軸を有する円錐面をなす位置にかつ前記突堤と同
    じ間隔で芯収納孔を設けてなる製図機用鉛筆芯装
    置の芯ケース。
JP3274686U 1986-03-07 1986-03-07 Expired JPH0344550Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3274686U JPH0344550Y2 (ja) 1986-03-07 1986-03-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3274686U JPH0344550Y2 (ja) 1986-03-07 1986-03-07

Publications (2)

Publication Number Publication Date
JPS62144694U true JPS62144694U (ja) 1987-09-11
JPH0344550Y2 JPH0344550Y2 (ja) 1991-09-19

Family

ID=30839719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3274686U Expired JPH0344550Y2 (ja) 1986-03-07 1986-03-07

Country Status (1)

Country Link
JP (1) JPH0344550Y2 (ja)

Also Published As

Publication number Publication date
JPH0344550Y2 (ja) 1991-09-19

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