CN1035605C - 用于书写工具的替换笔芯 - Google Patents

用于书写工具的替换笔芯 Download PDF

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Publication number
CN1035605C
CN1035605C CN92104597A CN92104597A CN1035605C CN 1035605 C CN1035605 C CN 1035605C CN 92104597 A CN92104597 A CN 92104597A CN 92104597 A CN92104597 A CN 92104597A CN 1035605 C CN1035605 C CN 1035605C
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China
Prior art keywords
refill
nib
ratchet mechanism
writing implement
sleeve
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Expired - Fee Related
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CN92104597A
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CN1070144A (zh
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内韦尔·伊格·安得里斯
布里恩·奥博特·约翰伯克
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PARKER PEN (IP) BV
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PARKER PEN (IP) BV
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/02Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
    • B43K24/08Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
    • B43K24/084Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons with saw-like or analogous cams

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  • Pens And Brushes (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Recording Measured Values (AREA)
  • Coating Apparatus (AREA)

Abstract

一种用于书写工具的替换笔芯(1),在它的一端有一个笔头(5),在它的另一端有一个棘轮机构(7)。依靠此棘轮机构,笔芯(1)能转动且有选择地从书写工具中伸出及缩回。相对于笔头(5)而言,棘轮机构(7)是可以绕笔芯的纵向轴转动的。按照本发明,每当替换笔芯(1)从书写工具中伸出或缩回时,笔头(5)即转动一个随机角度,它能保证在笔头(5)上产生一种较为均匀的磨损分配。

Description

用于书写工具的替换笔芯
本发明涉及一种书写工具用的替换笔芯。
书写工具,特别是元珠笔、经常会同替换笔芯结合起来。这种替换笔芯的一端装上一个笔头,另一端设有棘轮面上成对的主、次凹槽,当压下书写工具上的按钮时,书写工具内部设有的一对凸指交替地跟棘轮上的主、次凹槽啮合,使得替换笔芯的笔头交替地从书写工具体中缩回及伸出,此动作由另外一个螺旋压缩弹簧来控制,此种棘轮机构已在EP-A-0252694中公开并说明。每次压下及释放按钮使得替换笔芯在书写工具体内旋转90°。这样,当使用者总是有倾向性地在相同方位握持书写工具书写时,仅是替换笔芯的笔头上一相对的两面用于书写。这会引起笔头的不均匀磨损,尤其临近替换笔芯的寿命期,导致墨水不均匀地转移到纸上。
本发明就是鉴于上述存在问题而提出来的,本发明的目的在于提供一种用于书写工具的替换笔芯,该笔芯能使笔头磨损均匀。
本发明所提供的书写工具的替换笔芯,其一端装有笔头,另一端有一棘轮机构。依靠此棘轮机构,笔芯可以转动并有选择性地伸出和缩回书写工具。棘轮机构相对笔头而言,可绕笔芯的纵向轴线转动。
采用此法,每当替换笔芯伸出或缩回书写工具时,笔头即转动一个随机角度,它保证笔头更加均匀地磨损。因传统上,笔芯是由一个螺旋压缩弹簧压住的,必须注意到当书写时,替换笔芯是不会转动的。
此外,当替换笔芯伸出或缩回时,本发明与传统用替换笔芯产生的声音比起来,只是一种低音卡嗒声。全部声音少浊音,因此较能吸引多数用户。
更为可取的是旋转部分是由一个套筒组成,此套筒具有棘轮机构的凹槽凸轮面,且它以替换笔芯上远离笔头的一端的竖杆为支承,保持旋转。
下面参照附图,通过对本发明实施例的描述来进一步说明本发明。
图1是一个替换笔芯的局部剖切正视图;
图2是一个棘轮的局部剖面视图;
图3是从棘轮一端的一个视图;
图4是从棘轮另一端的一个视图;
图5是棘轮的一个剖面视图。
图1表示一种元珠笔用的替换笔芯1。它具有一外壳2;外壳2一般分为躯体3及缩径杆柄4。杆柄4装有传统用笔头5,其上装有圆珠6。
躯体3的另一端装上棘轮头7。棘轮头7是由两部分组成,它一般包括一个套筒10及一个底座11。底座11包括一个插入替换笔芯躯体3的空端中的塞头部分12;还包括缩径柱杆13,它从塞头12伸出,朝向笔头5的相反方向。在柱杆13的最外端有个张口14。套筒10装上柱杆后,在塞头12及张口14间可绕柱杆13旋转。
套筒10设有传统棘轮的主、次凹槽20、21。棘轮方面的操作原理完全是传统性的;当书写工具体内设有的凸指插入次凹槽21后,笔头伸出,而当凸指插入主凹槽20后,笔头缩回。熟习这方面结构的有关人员都能懂得,并在EP-A-0252694中已有说明。此处不再赘述。
塞头12具有一对缺口22是为躯体3起空气流通作用的。
当替换笔芯装入一支元珠笔并在笔头绕杆柄外周配置一个螺旋弹簧。在启动笔上按钮后,套筒10旋转90°,它通过跨在凸轮主、次凹槽20、21斜面上的凸指及螺旋弹簧的作用,使得书写笔头5伸出或缩回,当套筒10旋转时,它压在塞头12上,且依靠套筒10与塞头12间由弹簧产生的摩擦力,带动整个笔芯1。当按钮释放时,由于笔芯从元珠笔头处移开,此摩擦力减小,且塞头12及替换笔芯1的外壳2相对元珠笔体而言,能够转动;实际上,外壳2有弹跳的倾向,至少部分原因是由于弹簧压力,且外壳2相对元珠笔壳体的最终静止位置是随机决定的。根据经验知道,为使书写笔头旋转360°,平均需操作按钮10次。但在每次操作中,笔头5绕替换笔芯1的纵向轴的角位移是一个随机分配值。因此,使用者每次伸出笔头时,笔头5的每一不同部位与纸接触,导致一种比较均匀的磨损分配,这样,在替换笔芯的使用寿命中能保持均匀的书写特性。
具有一单独套筒10及底座11的意义是在一定程度上获得色代号【色码】的目的,便于使用者迅速并容易地识别替换笔芯中墨水的颜色,同时为在色泽供应范围中出现外观的均一性。例如套筒10或许为配合外壳2的颜色而可能是标准色但底座11可与墨水颜色相同。
从图1中可见替换笔芯的杆柄4在全长具有统一直径。传统做法是杆柄做成台阶式。但杆柄4采用统一直径可以防止替换笔芯1在元珠笔中挂在弹簧上。这跟传统的替换笔芯比起来是一项显著的改进。

Claims (2)

1.一种用于书写工具的替换笔芯,其一端具有笔头(5),另一端有一棘轮机构(7),依靠此机构,笔芯(1)能旋转且有选择地从书写工具中伸出及缩回;其特征在于包括一个套筒(10),此套筒具有棘轮机构的凸轮凹槽(20,21),且以远离笔头(5)的替换笔芯的另一端竖立的柱杆(13)为支承,保持转动;柱杆是在棘轮机构(7)中的塞头部分(12)上组成的,塞头(12)装入替换笔芯(1)的外壳(2)中;相对笔头(5)而言,棘轮机构(7)绕笔芯纵向轴旋转。
2.按照权利要求1中所述的替换笔芯,其特征在于,替换笔芯(1)具有一个装上笔头(5)的杆柄(4),杆柄部分在全长范围具有同一直径。
CN92104597A 1991-06-14 1992-06-13 用于书写工具的替换笔芯 Expired - Fee Related CN1035605C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9113220.9 1991-06-14
GB919113220A GB9113220D0 (en) 1991-06-14 1991-06-14 Refill unit for a writing instrument

Publications (2)

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CN1070144A CN1070144A (zh) 1993-03-24
CN1035605C true CN1035605C (zh) 1997-08-13

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US (1) US5417504A (zh)
EP (2) EP0518198B1 (zh)
JP (1) JP2665397B2 (zh)
KR (1) KR970005842B1 (zh)
CN (1) CN1035605C (zh)
AT (1) ATE126133T1 (zh)
AU (1) AU656780B2 (zh)
BR (1) BR9206125A (zh)
CA (1) CA2103243C (zh)
DE (1) DE69203971T2 (zh)
DK (1) DK0518198T3 (zh)
ES (1) ES2076613T3 (zh)
GB (1) GB9113220D0 (zh)
GR (1) GR3017495T3 (zh)
HK (1) HK208196A (zh)
IE (1) IE73262B1 (zh)
MX (1) MX9202854A (zh)
RU (1) RU2098283C1 (zh)
TW (1) TW296692U (zh)
WO (1) WO1992022433A1 (zh)
ZA (1) ZA924020B (zh)

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Publication number Priority date Publication date Assignee Title
EP3888930A4 (en) * 2018-11-29 2022-11-02 Kabushiki Kaisha Pilot Corporation (also trading as Pilot Corporation) RETRACTABLE TYPE WRITING INSTRUMENT
CN111753818A (zh) * 2020-06-11 2020-10-09 北京万维智能技术有限公司 一种点阵智能水彩笔颜色自动识别系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB748897A (en) * 1953-05-06 1956-05-16 Mentmore Mfg Co Ltd Improvements in or relating to writing instruments having a retractable writing point
AT199539B (de) * 1955-07-18 1958-09-10 I A R S A Ind Articoli Resine Druckknopfmechanik für Kugelschreiber
NL278392A (zh) * 1961-05-16
DE1411948B1 (de) * 1962-03-30 1970-09-24 Faber Castell A W Kugelschreiber mit Druckmechanik
DE1248508B (de) * 1962-08-16 1967-08-24 Helmut Bross Dipl Ing Schaltmechanik fuer Kugelschreiber
GB1284294A (en) * 1969-09-08 1972-08-02 Dashen Wang Retractable ball-point pens
ZA874503B (en) * 1986-07-07 1987-12-28 Parker Pen (Benelux) B.V. Writing instrument
US4724428A (en) * 1986-07-07 1988-02-09 Emhart Industries, Inc. Thermocouple jacket monitor
US4991988A (en) * 1989-04-18 1991-02-12 Bic Corporation Component writing instrument having retractable cartridge
US6336103B1 (en) * 1989-08-02 2002-01-01 Nardin L. Baker Rapid method of analysis for correlation of asset return to future financial liabilities
US5184908A (en) * 1990-11-17 1993-02-09 Kotobuki & Co., Ltd. Writing implement with side actuator

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Publication number Publication date
EP0518198B1 (en) 1995-08-09
DE69203971D1 (de) 1995-09-14
ZA924020B (en) 1993-02-24
AU656780B2 (en) 1995-02-16
CA2103243C (en) 1997-05-20
IE921908A1 (en) 1992-12-16
DE69203971T2 (de) 1995-11-30
ATE126133T1 (de) 1995-08-15
AU1916492A (en) 1993-01-12
JPH06508306A (ja) 1994-09-22
GR3017495T3 (en) 1995-12-31
CN1070144A (zh) 1993-03-24
TW296692U (en) 1997-01-21
BR9206125A (pt) 1994-11-20
ES2076613T3 (es) 1995-11-01
RU2098283C1 (ru) 1997-12-10
KR970005842B1 (ko) 1997-04-21
US5417504A (en) 1995-05-23
HK208196A (en) 1996-11-29
GB9113220D0 (en) 1991-08-07
EP0623074A1 (en) 1994-11-09
DK0518198T3 (da) 1995-11-27
JP2665397B2 (ja) 1997-10-22
IE73262B1 (en) 1997-05-21
MX9202854A (es) 1993-01-01
WO1992022433A1 (en) 1992-12-23
CA2103243A1 (en) 1992-12-15
EP0518198A1 (en) 1992-12-16

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