JP7621089B2 - シャープペンシル - Google Patents

シャープペンシル Download PDF

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Publication number
JP7621089B2
JP7621089B2 JP2020183622A JP2020183622A JP7621089B2 JP 7621089 B2 JP7621089 B2 JP 7621089B2 JP 2020183622 A JP2020183622 A JP 2020183622A JP 2020183622 A JP2020183622 A JP 2020183622A JP 7621089 B2 JP7621089 B2 JP 7621089B2
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JP
Japan
Prior art keywords
rotor
cam
cam surface
knock
rotation
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.)
Active
Application number
JP2020183622A
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English (en)
Japanese (ja)
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JP2022073560A (ja
JP2022073560A5 (https=
Inventor
義春 並木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Pencil Co Ltd
Original Assignee
Mitsubishi Pencil Co Ltd
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 by Mitsubishi Pencil Co Ltd filed Critical Mitsubishi Pencil Co Ltd
Priority to JP2020183622A priority Critical patent/JP7621089B2/ja
Priority to KR1020237013080A priority patent/KR20230096997A/ko
Priority to PCT/JP2021/040132 priority patent/WO2022092293A1/ja
Priority to CN202180073559.5A priority patent/CN116507505B/zh
Publication of JP2022073560A publication Critical patent/JP2022073560A/ja
Publication of JP2022073560A5 publication Critical patent/JP2022073560A5/ja
Application granted granted Critical
Publication of JP7621089B2 publication Critical patent/JP7621089B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/02—Writing-core feeding mechanisms
    • B43K21/16—Writing-core feeding mechanisms with stepwise feed of writing-cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/02—Writing-core feeding mechanisms
    • B43K21/22—Writing-cores gripping means, e.g. chucks

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
JP2020183622A 2020-11-02 2020-11-02 シャープペンシル Active JP7621089B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020183622A JP7621089B2 (ja) 2020-11-02 2020-11-02 シャープペンシル
KR1020237013080A KR20230096997A (ko) 2020-11-02 2021-10-29 샤프 펜슬
PCT/JP2021/040132 WO2022092293A1 (ja) 2020-11-02 2021-10-29 シャープペンシル
CN202180073559.5A CN116507505B (zh) 2020-11-02 2021-10-29 自动铅笔

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020183622A JP7621089B2 (ja) 2020-11-02 2020-11-02 シャープペンシル

Publications (3)

Publication Number Publication Date
JP2022073560A JP2022073560A (ja) 2022-05-17
JP2022073560A5 JP2022073560A5 (https=) 2023-11-09
JP7621089B2 true JP7621089B2 (ja) 2025-01-24

Family

ID=81382624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020183622A Active JP7621089B2 (ja) 2020-11-02 2020-11-02 シャープペンシル

Country Status (4)

Country Link
JP (1) JP7621089B2 (https=)
KR (1) KR20230096997A (https=)
CN (1) CN116507505B (https=)
WO (1) WO2022092293A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024062230A (ja) 2022-10-24 2024-05-09 三菱鉛筆株式会社 シャープペンシル
JP2024062154A (ja) * 2022-10-24 2024-05-09 三菱鉛筆株式会社 シャープペンシル
CN116424016B (zh) * 2023-05-23 2026-01-23 上海晨光文具股份有限公司 一种具有防积墨功能的揿动笔

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013022828A (ja) 2011-07-21 2013-02-04 Pilot Corporation シャープペンシル
JP2014058097A (ja) 2012-09-18 2014-04-03 Micro Kk シャープペンシル
WO2014157731A1 (ja) 2013-03-26 2014-10-02 株式会社壽 シャープペンシル
WO2020218440A1 (ja) 2019-04-26 2020-10-29 三菱鉛筆株式会社 シャープペンシル

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6116799A (en) * 1998-11-19 2000-09-12 Kotobuki & Co., Ltd. Installation structure of lead advancing mechanism in writing instrument
US7654763B2 (en) 2006-06-05 2010-02-02 Mitsubishi Pencil Co., Ltd. Mechanical pencil
US7806615B1 (en) * 2007-10-26 2010-10-05 Mitsubishi Pencil Co., Ltd. Mechanical pencil
JP5215281B2 (ja) * 2009-12-03 2013-06-19 三菱鉛筆株式会社 シャープペンシル
WO2012014832A1 (ja) * 2010-07-28 2012-02-02 ぺんてる株式会社 メカニカルペンシル
JP5711047B2 (ja) * 2011-05-30 2015-04-30 ゼブラ株式会社 シャープペンシル
CN103619609B (zh) * 2011-06-21 2015-09-30 三菱铅笔株式会社 自动铅笔
CN110370839B (zh) * 2019-07-19 2022-04-19 温州天骄笔业有限责任公司 一种具有自动转芯功能的自动铅笔

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013022828A (ja) 2011-07-21 2013-02-04 Pilot Corporation シャープペンシル
JP2014058097A (ja) 2012-09-18 2014-04-03 Micro Kk シャープペンシル
WO2014157731A1 (ja) 2013-03-26 2014-10-02 株式会社壽 シャープペンシル
WO2020218440A1 (ja) 2019-04-26 2020-10-29 三菱鉛筆株式会社 シャープペンシル

Also Published As

Publication number Publication date
CN116507505A (zh) 2023-07-28
CN116507505B (zh) 2026-04-21
KR20230096997A (ko) 2023-06-30
WO2022092293A1 (ja) 2022-05-05
JP2022073560A (ja) 2022-05-17

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