TW202317392A - 自動鉛筆 - Google Patents

自動鉛筆 Download PDF

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Publication number
TW202317392A
TW202317392A TW111127024A TW111127024A TW202317392A TW 202317392 A TW202317392 A TW 202317392A TW 111127024 A TW111127024 A TW 111127024A TW 111127024 A TW111127024 A TW 111127024A TW 202317392 A TW202317392 A TW 202317392A
Authority
TW
Taiwan
Prior art keywords
cam
cam surface
rotor
aforementioned
mechanical pencil
Prior art date
Application number
TW111127024A
Other languages
English (en)
Chinese (zh)
Inventor
福田昂正
小泉裕介
Original Assignee
日商三菱鉛筆股份有限公司
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 日商三菱鉛筆股份有限公司 filed Critical 日商三菱鉛筆股份有限公司
Publication of TW202317392A publication Critical patent/TW202317392A/zh

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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
    • B43K21/027—Writing-core feeding mechanisms with sliding tubelike writing-core guide
    • B43K21/033—Writing-core feeding mechanisms with sliding tubelike writing-core guide with automatic feed by pressure during use of pencil
    • 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)
TW111127024A 2021-07-20 2022-07-19 自動鉛筆 TW202317392A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-119915 2021-07-20
JP2021119915A JP7736474B2 (ja) 2021-07-20 2021-07-20 シャープペンシル

Publications (1)

Publication Number Publication Date
TW202317392A true TW202317392A (zh) 2023-05-01

Family

ID=84979218

Family Applications (1)

Application Number Title Priority Date Filing Date
TW111127024A TW202317392A (zh) 2021-07-20 2022-07-19 自動鉛筆

Country Status (7)

Country Link
US (1) US12214616B2 (enExample)
EP (1) EP4375085A4 (enExample)
JP (1) JP7736474B2 (enExample)
KR (1) KR20240035747A (enExample)
CN (1) CN117651648A (enExample)
TW (1) TW202317392A (enExample)
WO (1) WO2023002879A1 (enExample)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850531A (en) * 1972-11-07 1974-11-26 Indevco Corp Automatically feeding lead pencil
JPS53145734A (en) * 1977-05-22 1978-12-19 Ancos Co Ltd Propelling pencil
US4459057A (en) * 1981-06-12 1984-07-10 Pentel Kabushiki Kaisha Mechanical pencil with automatic lead advance
JPS59110679U (ja) * 1983-01-18 1984-07-26 三菱鉛筆株式会社 ノツク式シヤ−プペンシル
JP4240417B2 (ja) * 2006-06-05 2009-03-18 三菱鉛筆株式会社 シャープペンシル
JP4847487B2 (ja) * 2008-03-26 2011-12-28 三菱鉛筆株式会社 シャープペンシル
JP5373361B2 (ja) * 2008-10-20 2013-12-18 ゼブラ株式会社 シャープペンシル
JP5215281B2 (ja) * 2009-12-03 2013-06-19 三菱鉛筆株式会社 シャープペンシル
JP5929755B2 (ja) * 2010-07-28 2016-06-08 ぺんてる株式会社 メカニカルペンシル
JP5798780B2 (ja) * 2011-04-07 2015-10-21 三菱鉛筆株式会社 シャープペンシル
KR101991528B1 (ko) 2011-06-21 2019-06-20 미쓰비시 엔피쯔 가부시키가이샤 샤프펜슬
JP6422692B2 (ja) * 2013-09-03 2018-11-14 三菱鉛筆株式会社 複数の樹脂成形部材を備えた筆記具または塗布具
JP6706132B2 (ja) * 2016-04-22 2020-06-03 株式会社パイロットコーポレーション シャープペンシル
JP7049836B2 (ja) * 2018-01-17 2022-04-07 三菱鉛筆株式会社 塗布具の把持具
JP7262294B2 (ja) * 2018-12-13 2023-04-21 三菱鉛筆株式会社 シャープペンシル

Also Published As

Publication number Publication date
US20240383270A1 (en) 2024-11-21
JP7736474B2 (ja) 2025-09-09
EP4375085A1 (en) 2024-05-29
JP2023015864A (ja) 2023-02-01
WO2023002879A1 (ja) 2023-01-26
CN117651648A (zh) 2024-03-05
EP4375085A4 (en) 2025-06-18
US12214616B2 (en) 2025-02-04
KR20240035747A (ko) 2024-03-18

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