JP2022009303A - 多芯式筆記具 - Google Patents
多芯式筆記具 Download PDFInfo
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- JP2022009303A JP2022009303A JP2021171646A JP2021171646A JP2022009303A JP 2022009303 A JP2022009303 A JP 2022009303A JP 2021171646 A JP2021171646 A JP 2021171646A JP 2021171646 A JP2021171646 A JP 2021171646A JP 2022009303 A JP2022009303 A JP 2022009303A
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Images
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Abstract
Description
2 前軸
3 軸筒
4 筆記部
5 リフィル
6 スプリング
7 消去部材
8 カバー部材
10 後軸
20 回転選択部材
30 ノック部材
50 摺動コマ
40 回転カム
Claims (3)
- 軸筒と、複数の筆記体と、ノック部材と、前記軸筒に対して軸線回りに回転可能に設けられた回転選択部材と、を具備し、
前記複数の筆記体の少なくとも1つは、熱変色性インクを収容し、
前記回転選択部材の回転に応じて、前記複数の筆記体の1つが前進した位置に配置され、
ノック操作によって、前記前進した位置に配置された前記筆記体が、前記軸筒から突出して筆記状態になり、
前記軸筒内に第1係止部が設けられ、前記ノック部材に第2係止部が設けられ、筆記状態において、前記第1係止部及び前記第2係止部が係止することによって、前記回転選択部材の回転が規制されることを特徴とする多芯式筆記具。 - 前記第1係止部が、前記軸筒の内周面に設けられた、径方向内方に向かって延びるリブ状の係止突起であり、前記第2係止部が、前記ノック部材の外周面に設けられた、軸線方向に延びる複数の係止溝であることを特徴とする請求項1に記載の多芯式筆記具。
- 前記複数の筆記体の各々にはカム突起が形成された摺動コマが接続され、前記ノック部材にはカムが形成され、前記カム突起と前記カムとが前記回転選択部材の回転によって協働して前記複数の筆記体の1つを前進した位置に配置することを特徴とする請求項1又は2に記載の多芯式筆記具。
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JPH04135389U (ja) * | 1991-06-12 | 1992-12-16 | 三菱鉛筆株式会社 | 複式筆記具 |
JP2008155508A (ja) * | 2006-12-25 | 2008-07-10 | Pilot Corporation | 多芯筆記具 |
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US2849983A (en) * | 1953-11-26 | 1958-09-02 | Adolf Waldmann | Lead-change-pencil provided with slotless outer jacket |
JP3283164B2 (ja) * | 1995-09-29 | 2002-05-20 | セーラー万年筆株式会社 | 多芯筆記具 |
JP2013091258A (ja) * | 2011-10-26 | 2013-05-16 | Pilot Corporation | 繰出式多芯筆記具 |
JP5926420B2 (ja) * | 2015-04-29 | 2016-05-25 | 株式会社パイロットコーポレーション | 複合式筆記具 |
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