JPH0415580U - - Google Patents

Info

Publication number
JPH0415580U
JPH0415580U JP5771990U JP5771990U JPH0415580U JP H0415580 U JPH0415580 U JP H0415580U JP 5771990 U JP5771990 U JP 5771990U JP 5771990 U JP5771990 U JP 5771990U JP H0415580 U JPH0415580 U JP H0415580U
Authority
JP
Japan
Prior art keywords
protection tube
core
pencil
core protection
diameter
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
JP5771990U
Other languages
English (en)
Other versions
JP2544453Y2 (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 JP1990057719U priority Critical patent/JP2544453Y2/ja
Publication of JPH0415580U publication Critical patent/JPH0415580U/ja
Application granted granted Critical
Publication of JP2544453Y2 publication Critical patent/JP2544453Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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】
第１図は本考案における第１実施例要部断面図
、第２図は他の実施例を示す要部面図、第３図は
更に他の実施例を示す要部断面図、第４図は本願
考案における第２実施例要部断面図、第５図は第
４図のＡ−Ａ線断面図、第６図、第７図は第５図
の他の実施例を示す断面図、第８図乃至第１２図
は板状スプリングの表面に粉体塗装を施した各実
施例における板状スプリングの断面図である。 １……軸筒、２……芯保護管、３，４……コイ
ル状スプリング、５……板状スプリング、６……
突起、７……基材。

Claims (1)

    【実用新案登録請求の範囲】
  1. 芯保護管を先端に有するシヤープペンシルであ
    つて、前記芯保護管内に、芯の径よりも僅かに小
    径の部分を少なくとも有するコイル状スプリング
    、又は、内方に湾曲した板状スプリングを配置し
    たことを特徴とするシヤープペンシル。
JP1990057719U 1990-05-31 1990-05-31 シャープペンシル Expired - Lifetime JP2544453Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990057719U JP2544453Y2 (ja) 1990-05-31 1990-05-31 シャープペンシル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990057719U JP2544453Y2 (ja) 1990-05-31 1990-05-31 シャープペンシル

Publications (2)

Publication Number Publication Date
JPH0415580U true JPH0415580U (ja) 1992-02-07
JP2544453Y2 JP2544453Y2 (ja) 1997-08-20

Family

ID=31582686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990057719U Expired - Lifetime JP2544453Y2 (ja) 1990-05-31 1990-05-31 シャープペンシル

Country Status (1)

Country Link
JP (1) JP2544453Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100414897B1 (ko) * 2000-02-16 2004-01-13 가부시키가이샤 고도부키 샤프펜슬

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS478233U (ja) * 1971-02-25 1972-09-30
JPS50112237U (ja) * 1974-02-22 1975-09-12
JPH0241294A (ja) * 1988-08-02 1990-02-09 Shigemi Iida シャープペンシルの０リング付芯金

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS478233U (ja) * 1971-02-25 1972-09-30
JPS50112237U (ja) * 1974-02-22 1975-09-12
JPH0241294A (ja) * 1988-08-02 1990-02-09 Shigemi Iida シャープペンシルの０リング付芯金

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100414897B1 (ko) * 2000-02-16 2004-01-13 가부시키가이샤 고도부키 샤프펜슬

Also Published As

Publication number Publication date
JP2544453Y2 (ja) 1997-08-20

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