JPH02121291U - - Google Patents

Info

Publication number
JPH02121291U
JPH02121291U JP2903789U JP2903789U JPH02121291U JP H02121291 U JPH02121291 U JP H02121291U JP 2903789 U JP2903789 U JP 2903789U JP 2903789 U JP2903789 U JP 2903789U JP H02121291 U JPH02121291 U JP H02121291U
Authority
JP
Japan
Prior art keywords
valve
insert
utility
scope
pencil lead
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
JP2903789U
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 JP2903789U priority Critical patent/JPH02121291U/ja
Publication of JPH02121291U publication Critical patent/JPH02121291U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Description

【図面の簡単な説明】
図面は平面図である。鉛筆の本体・後ろのキヤ
ツプ・先端部分(ここから芯がでる)はプラスチ
ツクである。 1……芯とめ金具、2……芯を押すパツキン、
3……貯油槽、A……弁、B……弁、C……弁、
D……弁、4……油を押すパツキン、5……後ろ
のノツク部分を上下させるバネ、6……油圧のノ
ツクボタン、7……鉛筆の芯削りと消しゴム。

Claims (1)

    【実用新案登録請求の範囲】
  1. 鉛筆の芯を油圧により出し入れする機構。
JP2903789U 1989-03-14 1989-03-14 Pending JPH02121291U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2903789U JPH02121291U (ja) 1989-03-14 1989-03-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2903789U JPH02121291U (ja) 1989-03-14 1989-03-14

Publications (1)

Publication Number Publication Date
JPH02121291U true JPH02121291U (ja) 1990-10-02

Family

ID=31252893

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2903789U Pending JPH02121291U (ja) 1989-03-14 1989-03-14

Country Status (1)

Country Link
JP (1) JPH02121291U (ja)

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