JP7289941B2 - ballpoint pen - Google Patents

ballpoint pen Download PDF

Info

Publication number
JP7289941B2
JP7289941B2 JP2022005715A JP2022005715A JP7289941B2 JP 7289941 B2 JP7289941 B2 JP 7289941B2 JP 2022005715 A JP2022005715 A JP 2022005715A JP 2022005715 A JP2022005715 A JP 2022005715A JP 7289941 B2 JP7289941 B2 JP 7289941B2
Authority
JP
Japan
Prior art keywords
holder
ink
pen body
tip
pen
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
JP2022005715A
Other languages
Japanese (ja)
Other versions
JP2022040290A (en
Inventor
嘉人 光崎
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.)
Pilot Ink Co Ltd
Pilot Corp
Original Assignee
Pilot Ink Co Ltd
Pilot Corp
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
Priority claimed from JP2016250810A external-priority patent/JP7013126B2/en
Application filed by Pilot Ink Co Ltd, Pilot Corp filed Critical Pilot Ink Co Ltd
Priority to JP2022005715A priority Critical patent/JP7289941B2/en
Publication of JP2022040290A publication Critical patent/JP2022040290A/en
Priority to JP2023089347A priority patent/JP2023106581A/en
Application granted granted Critical
Publication of JP7289941B2 publication Critical patent/JP7289941B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Pens And Brushes (AREA)

Description

本発明は、ボールペンに関する。詳細には、軸筒内にインキを収容し、前記インキを前記軸筒先端のペン体にインキ誘導部材を介して供給するボールペンに関する。 The present invention relates to ballpoint pens. More particularly, it relates to a ball-point pen that stores ink in a barrel and supplies the ink to a pen body at the tip of the barrel via an ink guide member.

従来、特許文献１には、先端にボールを回動自在に取り付けたボールペンチップの円筒中間部に、２本以上の縦リブを残して切欠部を形成し、チップ内にインキを導出するためのインキ中継芯を内装し、該チップの基部を軸筒本体に取り付けたボールペンが記載されている。 Conventionally, in Patent Document 1, a notch is formed by leaving two or more vertical ribs in the cylindrical middle part of a ball-point pen tip to which a ball is rotatably attached to the tip, for drawing ink into the tip. A ball-point pen is disclosed in which an ink relay core is installed inside and the base of the tip is attached to the body of the barrel.

実公昭５９－０１６２２７号公報Japanese Utility Model Publication No. 59-016227

前記特許文献１のボールペンは、縦リブ形成部分は樹脂でなければ円筒部（本願のホルダー部に相当）の柔軟性が得られないことより、材料の選択性に乏しい。また、中継芯（本願のインキ誘導芯に相当）が円筒部内面（本願のホルダー部内面に相当）及び縦リブの内面に接触していることより、円筒部を弾性変形させた際、チップ（本願のペン体に相当）と中継芯の先端との接触状態が不安定になるおそれがある。 The ball-point pen of Patent Document 1 has poor material selectivity because the flexibility of the cylindrical portion (corresponding to the holder portion of the present application) cannot be obtained unless the vertical rib forming portion is made of resin. In addition, since the relay core (corresponding to the ink guide core of the present application) is in contact with the inner surface of the cylindrical portion (corresponding to the inner surface of the holder portion of the present application) and the inner surface of the vertical rib, when the cylindrical portion is elastically deformed, the tip ( (corresponding to the pen body of the present application) and the tip of the relay core may become unstable.

本発明は、前記従来の問題点を解決するものであって、特定の材質によらずホルダー部に柔軟性を付与することができ、また、ホルダー部を弾性変形させた際、ペン体とインキ誘導芯の先端近傍との接触状態が安定している筆記具を提供しようとするものである。 The present invention is intended to solve the above-mentioned conventional problems. It is possible to impart flexibility to the holder portion regardless of the specific material, and when the holder portion is elastically deformed, the pen body and the ink will be separated from each other. To provide a writing utensil in which the state of contact with the vicinity of the tip of an induction lead is stable.

本願の第１の発明は、
軸筒内にインキを収容し、前記軸筒先端のペン体にインキ誘導芯を介して前記インキを供給するボールペンであって、
前記ペン体は先端にボールを回転可能に抱持され、
先端部に前記ペン体を保持する筒状のホルダー部を前記軸筒の先端部に備え、
前記ホルダー部のペン体保持部より後方且つ前記軸筒先端より前方の前記ホルダー部側壁に、径方向外方及び径方向内方に開口する複数の切欠が、軸方向に異なる位置に形成され、
前記ホルダー部の前記切欠相互間に鍔部が形成され、
前記ホルダー部の前記鍔部相互間は連結部によって連結され、
前記インキ誘導芯が前記ペン体に接続される
ことを要件とする。 A first invention of the present application is
A ballpoint pen that stores ink in a barrel and supplies the ink to a pen body at the tip of the barrel via an ink guide core,
The pen body has a ball rotatably held at the tip,
A cylindrical holder part for holding the pen body at the tip part is provided at the tip part of the barrel,
A plurality of notches opening radially outward and radially inward are formed at different positions in the axial direction in a side wall of the holder portion rearward of the pen body holding portion of the holder portion and forward of the tip of the barrel,
A collar portion is formed between the notches of the holder portion,
The collar portions of the holder portion are connected to each other by a connecting portion,
A requirement is that the ink guide core is connected to the pen body.

前記第１の発明のボールペンは、
前記ホルダー部のペン体保持部より後方且つ前記軸筒先端より前方の前記ホルダー部側壁（柔軟性付与部）に、径方向外方及び径方向内方に開口する複数の切欠が、軸方向に異なる位置に形成され、前記ホルダー部の前記切欠相互間に鍔部が形成され、前記ホルダー部の前記鍔部相互間は連結部によって連結されることより、強度のあるホルダー部に高い柔軟性を付与することができ、柔らかな筆記感を得ることができる。また、必要以上の負荷を筆記先端部にかけることがなくなるため、筆記先端部の損傷を防ぐことができる。 The ballpoint pen of the first invention,
A plurality of notches opening radially outward and radially inward are formed in the holder side wall (flexibility imparting portion) behind the pen body holding portion of the holder portion and in front of the tip of the barrel. Formed at different positions, flange portions are formed between the notches of the holder portion, and the flange portions of the holder portion are connected to each other by connecting portions, thereby providing a strong holder portion with high flexibility. can be imparted, and a soft writing feeling can be obtained. In addition, since an excessive load is not applied to the writing tip, damage to the writing tip can be prevented.

本願の第２の発明は、
前記ペン体は後方に開口する内孔を備え、
前記インキ誘導芯の先端部が、
前記ペン体の内孔に挿着されてなる
ことを要件とする。 The second invention of the present application is
The pen body has an inner hole that opens rearward,
The tip of the ink guide wick is
It is required to be inserted into the inner hole of the pen body.

前記第２の発明のボールペンは、
前記インキ誘導芯の先端部が、前記ペン体の内孔に挿着されてなることより、ホルダー部が撓んだ状態でも、インキ誘導芯が確実にペン体の内孔の最深部に接触し、ペン体に十分なインキを迅速に供給し、安定した筆記性能が得られる。 The ballpoint pen of the second invention,
Since the tip of the ink guide core is inserted into the inner hole of the pen body, the ink guide core can reliably contact the deepest part of the inner hole of the pen body even when the holder part is bent. Sufficient ink is quickly supplied to the pen body, and stable writing performance is obtained.

本願の第３の発明は、
前記インキ誘導芯は、
前記鍔部のホルダー部内面に非接触である
ことを要件とする。 A third invention of the present application is
The ink guide wick comprises:
It is required that the brim portion is not in contact with the inner surface of the holder portion.

前記第３の発明のボールペンは、
インキ誘導芯が前記鍔部のホルダー部内面に非接触であることより、ホルダー部が撓んだ状態でも撓んだホルダー部内面に沿ってインキ誘導芯が曲がることが無いため、インキ誘導芯とペン体の内孔の最深部の接触状態が適切に保たれ、より安定した筆記性能が得られる。 The ballpoint pen of the third invention,
Since the ink guide core is not in contact with the inner surface of the holder portion of the flange, the ink guide core does not bend along the bent inner surface of the holder portion even when the holder portion is bent. The contact state of the deepest part of the inner hole of the pen body is appropriately maintained, and more stable writing performance is obtained.

本願の第４の発明は、
前記ホルダー部は樹脂製である
ことを要件とする。 The fourth invention of the present application is
The holder part is required to be made of resin.

前記第４の発明のボールペンは、
ホルダー部が樹脂製であることより、より大きな且つ適切な柔軟性をホルダー部に付与することができる。 The ballpoint pen of the fourth invention,
Since the holder part is made of resin, it is possible to impart greater and appropriate flexibility to the holder part.

本願の第５の発明は、
軸筒内にインキを収容し、前記軸筒先端のペン体にインキ誘導芯を介して前記インキを供給するボールペンであって、
前記ペン体は先端にボールを回転可能に抱持され、
先端部に前記ペン体を保持する筒状のホルダー部を前記軸筒の先端部に備え、
前記ホルダー部のペン体保持部より後方且つ前記軸筒先端より前方の前記ホルダー部側壁に、径方向外方及び径方向内方に開口する少なくとも１つ以上の螺旋状の切欠が形成され、
前記ホルダー部の前記切欠相互間に連結部が形成され、
前記インキ誘導芯が前記ペン体に接続される
ことを要件とする。 The fifth invention of the present application is
A ballpoint pen that stores ink in a barrel and supplies the ink to a pen body at the tip of the barrel via an ink guide core,
The pen body has a ball rotatably held at the tip,
A cylindrical holder part for holding the pen body at the tip part is provided at the tip part of the barrel,
At least one or more helical notches opening radially outward and radially inward are formed in the side wall of the holder part behind the pen body holding part of the holder part and in front of the tip of the barrel,
connecting portions are formed between the cutouts of the holder portion;
A requirement is that the ink guide core is connected to the pen body.

前記第５の発明のボールペンは、
前記ホルダー部のペン体保持部より後方且つ前記軸筒先端より前方の前記ホルダー部側壁に、径方向外方及び径方向内方に開口する少なくとも１つ以上の螺旋状の切欠が形成され、前記ホルダー部の前記切欠相互間に連結部（または鍔部）が形成されることより、強度のあるホルダー部に高い柔軟性を付与することができ、柔らかな筆記感を得ることができる。また、必要以上の負荷を筆記先端部にかけることがなくなるため、筆記先端部の損傷を防ぐことができる。 The ballpoint pen of the fifth invention is
At least one or more helical notches opening radially outward and radially inward are formed in the side wall of the holder part behind the pen body holding part of the holder part and in front of the tip of the barrel, By forming the connecting portion (or the collar portion) between the notches of the holder portion, it is possible to impart high flexibility to the strong holder portion and obtain a soft writing feeling. In addition, since an excessive load is not applied to the writing tip, damage to the writing tip can be prevented.

本発明のボールペンは、
強度のあるホルダー部に高い柔軟性を付与することができ、柔らかな筆記感を得ることができる。また、必要以上の負荷を筆記先端部にかけることがなくなるため、ペン体の筆記先端部の損傷を防ぐことができる。 The ballpoint pen of the present invention is
High flexibility can be imparted to the strong holder portion, and a soft writing feeling can be obtained. In addition, since an excessive load is not applied to the writing tip, damage to the writing tip of the pen body can be prevented.

本発明のホルダー部を備えたボールペンの第１の実施の形態の図である。1 is a diagram of a first embodiment of a ballpoint pen provided with a holder part of the present invention; FIG. 図１の要部拡大縦断面図である。FIG. 2 is an enlarged longitudinal sectional view of a main portion of FIG. 1; 本発明の第１の実施の形態のホルダー部近傍の（ａ）正面図及び（ｂ）底面図である。It is the (a) front view and (b) bottom view near the holder part of the 1st Embodiment of this invention. 図３の要部拡大縦断面図である。FIG. 4 is an enlarged vertical cross-sectional view of a main part of FIG. 3; 図４の切断線Ａ－Ａ及び切断線Ｂ－Ｂにおける（Ａ－Ａ）断面図及び（Ｂ－Ｂ）断面図である。FIG. 5 is a cross-sectional view (AA) and a cross-sectional view (BB) taken along a line AA and a line BB in FIG. 4; 本発明の第１の実施の形態の要部拡大斜視図である。1 is an enlarged perspective view of a main part of a first embodiment of the invention; FIG. 本発明の第２の実施の形態のホルダー部近傍の（ａ）正面図及び（ｂ）底面図である。It is the (a) front view and (b) bottom view near the holder part of the 2nd Embodiment of this invention. 図７の要部拡大縦断面図である。FIG. 8 is an enlarged longitudinal sectional view of a main portion of FIG. 7; 図８の切断線Ｃ－Ｃ、切断線Ｄ－Ｄ及び切断線Ｅ－Ｅにおける（Ｃ－Ｃ）断面図、（Ｄ－Ｄ）断面図及び（Ｅ－Ｅ）断面図である。FIG. 9 is a (CC) cross-sectional view, a (DD) cross-sectional view, and a (EE) cross-sectional view taken along the cutting lines CC, DD, and EE of FIG. 8; 本発明の第２の実施の形態の要部拡大斜視図である。FIG. 6 is an enlarged perspective view of a main portion of a second embodiment of the present invention; 本発明の第３の実施の形態のホルダー部近傍の（ａ）正面図及び（ｂ）底面図である。It is the (a) front view and (b) bottom view near the holder part of the 3rd Embodiment of this invention. 図１１の要部拡大縦断面図である。FIG. 12 is an enlarged longitudinal sectional view of a main portion of FIG. 11; 図１２の切断線Ｆ－Ｆ、切断線Ｇ－Ｇ及び切断線Ｈ－Ｈにおける（Ｆ－Ｆ）断面図、（Ｇ－Ｇ）断面図及び（Ｈ－Ｈ）断面図である。FIG. 13 is a (FF) cross-sectional view, a (GG) cross-sectional view, and a (HH) cross-sectional view along the cutting lines FF, GG, and HH of FIG. 12; 本発明の第３の実施の形態の要部拡大斜視図である。FIG. 11 is an enlarged perspective view of a main portion of a third embodiment of the present invention; 本発明の第４の実施の形態のホルダー部近傍の（ａ）正面図及び（ｂ）底面図である。It is the (a) front view and (b) bottom view near the holder part of the 4th Embodiment of this invention. 図１５の要部拡大縦断面図である。FIG. 16 is an enlarged longitudinal sectional view of a main portion of FIG. 15; 図１６の切断線Ｉ－Ｉ、切断線Ｊ－Ｊ及び切断線Ｋ－Ｋにおける断面図（Ｉ－Ｉ）、断面図（Ｊ－Ｊ）及び断面図（Ｋ－Ｋ）である。FIG. 17 is a cross-sectional view (II), a cross-sectional view (JJ) and a cross-sectional view (KK) taken along the cutting lines II, JJ and KK of FIG. 16; 本発明の第４の実施の形態の要部拡大斜視図である。FIG. 11 is an enlarged perspective view of a main part of a fourth embodiment of the present invention; 本発明の第５の実施の形態の要部拡大縦断面図である。FIG. 11 is an enlarged vertical cross-sectional view of a main part of a fifth embodiment of the present invention;

本発明のボールペンの実施の形態を図１乃至図１９に示す。 An embodiment of the ball-point pen of the present invention is shown in FIGS. 1 to 19. FIG.

〈第１の実施の形態〉
図１乃至図６に本発明の第１の実施の形態を示す。
本実施の形態のボールペン１は、ペン体３と、インキ保留部材５と、ペン体３及びインキ保留部材５とを結合させるホルダー部４と、インキを直接収容する軸筒２１と、軸筒２１中のインキをペン体３に誘導するインキ誘導芯６を備えた筆記具本体２からなる。 <First embodiment>
1 to 6 show a first embodiment of the present invention.
The ball-point pen 1 of this embodiment includes a pen body 3, an ink retaining member 5, a holder portion 4 for connecting the pen body 3 and the ink retaining member 5, a barrel 21 for directly accommodating ink, and a barrel 21 It consists of a writing utensil main body 2 equipped with an ink guiding core 6 for guiding ink inside to a pen body 3. - 特許庁

・軸筒
軸筒２１は、合成樹脂の射出成形より得られる前端が開口され且つ後端が閉鎖された有底円筒体からなる。軸筒２１の前端開口部２１ａの内面は、インキ保留部材５が嵌合される。 - Mandrel The mandrel 21 consists of a bottomed cylindrical body obtained by injection molding of synthetic resin and having an open front end and a closed rear end. The inner surface of the front end opening 21 a of the barrel 21 is fitted with the ink retaining member 5 .

・インキ収容部
インキ収容部２１ｂは、前端が開口され且つ後端が閉鎖された有底円筒体の軸筒２１の内部に形成される。インキ収容部２１ｂの内周面には、軸方向に延びる４本のリブ２１ｃが等間隔に一体に形成される。また、リブ２１ｃはインキ保留部材５のストッパも兼ねる。 Ink Storage Portion The ink storage portion 21b is formed inside the shaft cylinder 21, which is a bottomed cylindrical body having an open front end and a closed rear end. Four axially extending ribs 21c are integrally formed at equal intervals on the inner peripheral surface of the ink containing portion 21b. The rib 21c also serves as a stopper for the ink retaining member 5. As shown in FIG.

・ペン体
ペン体３は、金属製のパイプの先端近傍を外面より内方に押圧変形させたボール抱持部３２ａにボール３２を抱持してなるチップ、或いは、金属材料をドリル等による切削加工により形成したボール抱持部３２ａにボール３２を抱持してなるチップ、金属又はプラスチック製チップ内部に樹脂製のボール受け座３２ｂを設けたチップ等を適用できる。
又、前記ボール３２は、超硬合金、ステンレス鋼、ルビー、セラミック、樹脂、ゴム等の０．３～３．０ｍｍ、好ましくは０．３～１．５ｍｍ、より好ましくは０．４～１．０ｍｍ径程度のものが適用できる。 ・Pen body The pen body 3 is a chip formed by holding a ball 32 in a ball holding portion 32a formed by pressing and deforming the tip of a metal pipe inward from the outer surface, or cutting a metal material with a drill or the like. A chip having a ball holding portion 32a formed by processing to hold the ball 32, a chip having a ball receiving seat 32b made of resin inside a chip made of metal or plastic, and the like can be applied.
The ball 32 is made of cemented carbide, stainless steel, ruby, ceramic, resin, rubber, etc., and has a thickness of 0.3 to 3.0 mm, preferably 0.3 to 1.5 mm, more preferably 0.4 to 1.5 mm. One having a diameter of about 0 mm can be applied.

前記ペン体３は、後端に嵌合部３３を有する。ペン体３は、後方に開口する内孔３３ａを備え、該内孔３３ａにインキ誘導芯６が挿着される。 The pen body 3 has a fitting portion 33 at its rear end. The pen body 3 is provided with an inner hole 33a that opens rearward, and the ink guide core 6 is inserted into the inner hole 33a.

・インキ誘導芯
インキ誘導芯６は、ペン体３の内孔３３ａに挿着される。インキ誘導芯６は毛細管力を有する軸方向のインキ導出路を備えるものであればいずれであってもよく、本実施例では、繊維の樹脂加工により得られる棒状体が採用されているが、これ以外にも、例えば、多孔質体、剛性樹脂の押出成形体が挙げられる。 Ink guide lead The ink guide lead 6 is inserted into the inner hole 33 a of the pen body 3 . The ink guide wick 6 may be of any type as long as it has an ink lead-out path in the axial direction having capillary force. In this embodiment, a rod-shaped body obtained by resin-processing fibers is employed. Other examples include porous bodies and rigid resin extruded bodies.

インキ誘導芯６がホルダー部内面４４に非接触である。それにより、ホルダー部４が撓んだ状態でも撓んだホルダー部内面４４に沿ってインキ誘導芯が曲がることが無いため、インキ誘導芯６とペン体３の内孔３３ａの最深部の接触状態が適切に保たれ、より安定した筆記性能が得られる。 The ink guide wick 6 is not in contact with the inner surface 44 of the holder part. As a result, even when the holder portion 4 is bent, the ink guide core does not bend along the bent inner surface 44 of the holder portion. is properly maintained, and more stable writing performance can be obtained.

・インキ保留部材
インキ保留部材５は、インキ収容部２１ｂ内の圧力上昇に応じた余剰インキを一時的に保持する部材である。インキ保留部材５は、複数の櫛歯よりなるインキ保留部５１(櫛溝部)と、該インキ保留部５１の後端（即ち後端櫛歯５２後端面）と、インキ保留部５１の前端より前方に突出された取付部５３とが、一体に形成された合成樹脂（例えば、ＡＢＳ樹脂）の射出成形体よりなる。また、インキ保留部材５の軸心には、軸方向に延び且つ両端が開口された軸心孔５４が設けられる。軸心孔５４にはインキ誘導芯６が挿着される。取付部５３には、ホルダー部４が取り付けられる。尚、本考案におけるインキ保留部材５は、構成以外にも、インキ保留部５１が螺旋状溝や迷路状溝からなるもの、あるいは、インキ保留部５１が繊維材料または多孔質材料からなるもの等、いずれであってもよい。 Ink Reserving Member The ink reserving member 5 is a member that temporarily holds surplus ink in response to an increase in pressure inside the ink containing portion 21b. The ink reserving member 5 includes an ink reserving portion 51 (comb groove portion) made up of a plurality of comb teeth, a rear end of the ink reserving portion 51 (that is, a rear end surface of the rear end comb tooth 52), and an area forward of the front end of the ink reserving portion 51. The mounting portion 53 projecting outward is made of an integrally formed synthetic resin (for example, ABS resin) injection molded body. A shaft center hole 54 extending in the axial direction and having both ends opened is provided at the shaft center of the ink reservoir member 5 . The ink guide wick 6 is inserted into the axial hole 54 . The holder portion 4 is attached to the attachment portion 53 . In addition to the configuration, the ink retaining member 5 according to the present invention may be configured such that the ink retaining portion 51 is formed of spiral grooves or labyrinthine grooves, or the ink retaining portion 51 is formed of a fiber material or a porous material. Either can be used.

軸心孔５４には、インキ誘導芯６が挿着される。インキ誘導芯６の前端は、ペン体３に接続され、インキ誘導芯６の後端は、インキ保留部材５の後端面と略一致または突出している。 The ink guide wick 6 is inserted into the axial hole 54 . The front end of the ink guide core 6 is connected to the pen body 3 , and the rear end of the ink guide core 6 is substantially aligned with or protrudes from the rear end surface of the ink reservoir member 5 .

・ホルダー部
ホルダー部４は、例えば、金属加工部材または合成樹脂の射出成形より得られる円筒体からなる。ホルダー部４の前方のペン体保持部４１内面とペン体３外面が嵌合され、ホルダー部４の後方の本体取付部４２内面とインキ保留部材５の取付部５３が嵌合される。また、ホルダー部４と取付部５３（インキ保留部材５）は一体成型品であると部品点数が減ってより好ましい。 ·Holder part The holder part 4 is made of, for example, a metal processed member or a cylindrical body obtained by injection molding of synthetic resin. The inner surface of the pen body holding portion 41 on the front side of the holder portion 4 and the outer surface of the pen body 3 are fitted together, and the inner surface of the main body mounting portion 42 on the rear side of the holder portion 4 and the mounting portion 53 of the ink retaining member 5 are fitted together. Further, it is preferable that the holder portion 4 and the mounting portion 53 (the ink retaining member 5) are integrally molded to reduce the number of parts.

前記ホルダー部４は、金属または合成樹脂材からなるものであればよく、前記合成樹脂材料として例えば、ポリプロピレン、ポリエチレン、ポリスチレン、ポリカーボネート、ポリエチレンテレフタレート、ポリアセタール、アクリル、ナイロン、アクリロニトリル・スチレン共重合樹脂（ＡＳ樹脂）、アクリロニトリル・ブタジエン・スチレン共重合樹脂（ＡＢＳ樹脂）等の比較的硬質な合成樹脂が例示できる。また、金属であればアルミニウム合金が例示できる。 The holder part 4 may be made of metal or a synthetic resin material. Examples of the synthetic resin material include polypropylene, polyethylene, polystyrene, polycarbonate, polyethylene terephthalate, polyacetal, acrylic, nylon, acrylonitrile-styrene copolymer resin ( AS resin), acrylonitrile-butadiene-styrene copolymer resin (ABS resin) and other relatively hard synthetic resins. Moreover, if it is a metal, an aluminum alloy can be illustrated.

・切欠
ホルダー部４のペン体保持部４１より後方且つ本体取付部４２より前方のホルダー部側壁４３に、径方向外方及び径方向内方に開口する半円状の複数の切欠４３ａが、軸方向に異なる位置に形成され、切欠４３ａ相互間に鍔部４３ｂが形成される。すなわち、切欠４３ａはホルダー部側壁４３からホルダー部内面４４まで貫通しているため、内部のインキ誘導芯６の色が視認可能となり、収納されているインキ色を識別することができる。また、鍔部４３ｂ相互間は連結部４３ｃによって連結される。 A plurality of semicircular cutouts 43a opening radially outward and radially inward are formed in the holder side wall 43 behind the pen body holding portion 41 of the cutout holder portion 4 and in front of the main body mounting portion 42. They are formed at different positions in the direction, and a flange portion 43b is formed between the cutouts 43a. That is, since the notch 43a penetrates from the holder side wall 43 to the holder inner surface 44, the color of the ink guide core 6 inside can be visually recognized, and the color of the ink stored can be identified. Further, the flange portions 43b are connected to each other by a connecting portion 43c.

ホルダー部４のホルダー部側壁４３に、複数の切欠４３ａが、軸方向に異なる位置に形成され、切欠４３ａ相互間に半円板状の鍔部４３ｂが形成されることにより、ホルダー部４に柔軟性を付与することができる。 A plurality of cutouts 43a are formed in the holder portion side wall 43 of the holder portion 4 at different positions in the axial direction. You can give it character.

図３の様に、
方向Ｘに垂直に貫通し、方向Ｘに開口する切欠４３ａが設けられている場合、ホルダー部４に方向Ｘの柔軟性を付与することができる。 As shown in Figure 3,
When the cutout 43a that penetrates perpendicularly to the direction X and opens in the direction X is provided, flexibility in the direction X can be imparted to the holder portion 4 .

ホルダー部４に方向Ｘの柔軟性を付与することができることで、柔らかな筆記感を得ることができる。また、必要以上の負荷を筆記先端部にかけることがなくなるため、筆記先端部の損傷を防ぐことができる。また、筆感は、切欠４３ａの寸法や数量によって任意に設定することができる。 By imparting flexibility in the direction X to the holder part 4, a soft writing feeling can be obtained. In addition, since an excessive load is not applied to the writing tip, damage to the writing tip can be prevented. Also, the writing feeling can be arbitrarily set by the size and number of the notches 43a.

また、鍔部４３ｂ相互間は連結部４３ｃによって連結されることより、連結部４３ｃを支点としてペン体３が撓り、より高い柔軟性をホルダー部４に付与することができる。 Further, since the collar portions 43b are connected to each other by the connecting portion 43c, the pen body 3 is bent with the connecting portion 43c as a fulcrum, and the holder portion 4 can be provided with higher flexibility.

〈第２の実施の形態〉
図７乃至図１０に本発明の第２の実施の形態を示す。
図７の様に、
方向Ｘに垂直に貫通し、方向Ｘに開口する切欠４３ａと、方向Ｙに垂直に貫通し、方向Ｙに開口する切欠４３ａが軸方向に交互に形成されている場合、ホルダー部４に径方向及び軸方向の全方向の柔軟性を付与することができる。 <Second embodiment>
7 to 10 show a second embodiment of the invention.
As shown in Figure 7,
When the notches 43a penetrating perpendicularly to the direction X and opening in the direction X and the notches 43a penetrating perpendicularly to the direction Y and opening in the direction Y are alternately formed in the axial direction, the holder portion 4 is provided with radial and omnidirectional flexibility in the axial direction.

ホルダー部４に径方向及び軸方向の全方向の柔軟性を付与することで、柔らかな筆記感を得ることができる。また、必要以上の負荷を筆記先端部にかけることがなくなるため、筆記先端部の損傷を防ぐことができる。また、筆感は、切欠４３ａの寸法や数量によって任意に設定することができる。 By imparting flexibility in all directions of the radial direction and the axial direction to the holder part 4, a soft writing feeling can be obtained. In addition, since an excessive load is not applied to the writing tip, damage to the writing tip can be prevented. Also, the writing feeling can be arbitrarily set by the size and number of the notches 43a.

〈第３の実施の形態〉
図１１乃至図１４に本発明の第３の実施の形態を示す。
図１１の様に、
方向Ｘに垂直に貫通し、方向Ｘに開口する異形の切欠４３ａと、方向Ｙに垂直に貫通し、方向Ｙに開口する異形の切欠４３ａが軸方向に交互に形成されている場合、ホルダー部４に前記第３の実施の形態と同様の柔軟性を付与することができるとともに、同様の効果も得られる。 <Third embodiment>
11 to 14 show a third embodiment of the invention.
As shown in Figure 11,
When the odd-shaped cutouts 43a penetrating perpendicularly to the direction X and opening in the direction X and the odd-shaped notches 43a penetrating perpendicularly to the direction Y and opening in the direction Y are alternately formed in the axial direction, the holder part 4 can be provided with the same flexibility as the third embodiment, and the same effects can be obtained.

切欠４３ａは帯状の形態に関わらず、ホルダー部４に柔軟性を付与することができれば任意の形状で設定することができる。 The notch 43a can be set in any shape as long as it can impart flexibility to the holder part 4, regardless of the shape of the band.

〈第４の実施の形態〉
図１５乃至図１８に本発明の第４の実施の形態を示す。
図１５の様に、
ホルダー部側壁４３に、径方向外方及び径方向内方に開口する少なくとも１つ以上の螺旋状の切欠４３が形成されている場合、つまりホルダー部側壁４３に少なくとも１つ以上の切欠４３ａが螺刻されている場合、ホルダー部４に前記第３の実施の形態と同様の柔軟性を付与することができるとともに、同様の効果も得られる。 <Fourth Embodiment>
15 to 18 show a fourth embodiment of the invention.
As shown in Figure 15,
When at least one spiral notch 43 opening radially outward and radially inward is formed in the holder side wall 43, that is, at least one notch 43a is formed in the holder side wall 43. In the case of carving, the same flexibility as in the third embodiment can be given to the holder part 4, and the same effect can be obtained.

ホルダー部側壁４３に、切欠４３ａが螺刻されている場合、螺旋状の連結部４３ｃ（または鍔部４３ｂ）が形成される。 When the notch 43a is threaded in the holder side wall 43, a spiral connecting portion 43c (or flange portion 43b) is formed.

〈第５の実施の形態〉
・柔軟性抑制部材
図１９に本発明の第５の実施の形態を示す。
柔軟性抑制部材７は、例えば、金属加工部材または合成樹脂の射出成形より得られる円筒体からなる。また、図２１の様にホルダー部４に柔軟性抑制部材７を嵌着することで、ホルダー部４に付与されている柔軟性を抑制することができる。 <Fifth Embodiment>
Flexibility restraining member Fig. 19 shows a fifth embodiment of the present invention.
The flexibility suppressing member 7 is made of, for example, a metal processing member or a cylindrical body obtained by injection molding of synthetic resin. Further, by fitting the flexibility suppressing member 7 to the holder portion 4 as shown in FIG. 21, the flexibility imparted to the holder portion 4 can be suppressed.

また、柔軟性抑制部材７の着脱により、ホルダー部４の柔軟性の有無を任意に設定することができる。また、柔軟性抑制部材７自体が柔軟性を有する場合、ホルダー部４に柔軟性抑制部材７を冠着することで任意の柔軟性に変化させることができる。 In addition, the presence or absence of flexibility of the holder portion 4 can be arbitrarily set by attaching and detaching the flexibility suppressing member 7 . Further, when the flexibility suppressing member 7 itself has flexibility, the flexibility can be changed as desired by attaching the flexibility suppressing member 7 to the holder portion 4 .

１ ボールペン
２ 筆記具本体
２１ 軸筒
２１ａ 前端開口部
２１ｂ インキ収容部
２１ｃ リブ
３ ペン体
３１ 筆記先端部
３２ ボール
３２ａ ボール把持部
３２ｂ ボール受け座
３３ 嵌合部
３３ａ 内孔
４ ホルダー部
４１ ペン体保持部
４２ 本体取付部
４３ ホルダー部側壁
４３ａ 切欠
４３ｂ 鍔部
４３ｃ 連結部
４４ ホルダー部内面
５ インキ保留部材
５１ インキ保留部
５２ 後端櫛溝
５３ 取付部
５４ 軸芯孔
６ インキ誘導芯
７ 柔軟性抑制部材 1 ballpoint pen 2 writing instrument main body 21 barrel 21a front end opening 21b ink container 21c rib 3 pen body 31 writing tip 32 ball 32a ball gripping part 32b ball receiving seat 33 fitting part 33a inner hole 4 holder part 41 pen body holding part 42 Main body mounting portion 43 Holder portion side wall 43a Notch 43b Collar portion 43c Connecting portion 44 Holder portion inner surface 5 Ink retaining member 51 Ink retaining portion 52 Rear end comb groove 53 Mounting portion 54 Shaft core hole 6 Ink guide core 7 Flexibility suppressing member

Claims (1)

軸筒内にインキを収容し、前記軸筒先端のペン体にインキ誘導芯を介して前記インキを供給するボールペンであって、
前記ペン体は先端にボールを回転可能に抱持され、
前記ペン体は後端に嵌合部を有し、
先端部に前記ペン体を保持する筒状のホルダー部を前記軸筒の先端部に備え、
前記ホルダー部の前方のペン体保持部の内面と前記嵌合部とが嵌合され、
前記ホルダー部の前記ペン体保持部より後方且つ前記軸筒先端より前方の前記ホルダー部側壁に、径方向外方及び径方向内方に開口する複数の切欠が、軸方向に異なる位置に形成され、
軸方向に直交する方向を方向Ｘ、
軸方向且つ前記方向Ｘに直交する方向を方向Ｙ、としたとき、
前記切欠は、
前記方向Ｘに開口する第１の切欠と、
前記方向Ｙに開口する第２の切欠と、で構成され、
前記ホルダー部の前記切欠相互間に鍔部が形成され、
前記ホルダー部の前記鍔部相互間は連結部によって連結され、
前記インキ誘導芯が前記ペン体に接続され、
前記インキ誘導芯は、ホルダー部内面に非接触である
ことを特徴とするボールペン。 A ballpoint pen that stores ink in a barrel and supplies the ink to a pen body at the tip of the barrel via an ink guide core,
The pen body has a ball rotatably held at the tip,
The pen body has a fitting portion at the rear end,
A cylindrical holder part for holding the pen body at the tip part is provided at the tip part of the barrel,
The inner surface of the pen body holding portion in front of the holder portion and the fitting portion are fitted,
A plurality of notches opening radially outward and radially inward are formed at different positions in the axial direction in the side wall of the holder part behind the pen body holding part and in front of the tip of the barrel. ,
The direction orthogonal to the axial direction is the direction X,
When the axial direction and the direction orthogonal to the direction X are defined as the direction Y,
The notch is
a first notch opening in the direction X;
and a second notch that opens in the direction Y,
A collar portion is formed between the notches of the holder portion,
The collar portions of the holder portion are connected to each other by a connecting portion,
the ink guide core is connected to the pen body ;
The ink guide wick is in non-contact with the inner surface of the holder part
A ballpoint pen characterized by:
JP2022005715A 2016-12-26 2022-01-18 ballpoint pen Active JP7289941B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022005715A JP7289941B2 (en) 2016-12-26 2022-01-18 ballpoint pen
JP2023089347A JP2023106581A (en) 2022-01-18 2023-05-31 Ball point pen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016250810A JP7013126B2 (en) 2016-12-26 2016-12-26 Ballpoint pen
JP2022005715A JP7289941B2 (en) 2016-12-26 2022-01-18 ballpoint pen

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2016250810A Division JP7013126B2 (en) 2016-12-26 2016-12-26 Ballpoint pen

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023089347A Division JP2023106581A (en) 2022-01-18 2023-05-31 Ball point pen

Publications (2)

Publication Number Publication Date
JP2022040290A JP2022040290A (en) 2022-03-10
JP7289941B2 true JP7289941B2 (en) 2023-06-12

Family

ID=87654575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022005715A Active JP7289941B2 (en) 2016-12-26 2022-01-18 ballpoint pen

Country Status (1)

Country Link
JP (1) JP7289941B2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013252655A (en) 2012-06-07 2013-12-19 Mitsubishi Pencil Co Ltd Ballpoint pen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2251428A1 (en) * 1972-10-20 1974-04-25 Montblanc Simplo Gmbh WRITING DEVICE
JPH11268471A (en) * 1998-03-24 1999-10-05 Mitsubishi Pencil Co Ltd Writing utensil

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013252655A (en) 2012-06-07 2013-12-19 Mitsubishi Pencil Co Ltd Ballpoint pen

Also Published As

Publication number Publication date
JP2022040290A (en) 2022-03-10

Similar Documents

Publication Publication Date Title
JP7184955B2 (en) marking pen
JP7108097B2 (en) marking pen
JP7454718B2 (en) writing implements
JP7289941B2 (en) ballpoint pen
JP2012504507A (en) Writing instrument with slip-fit end member
JP5508630B2 (en) Ballpoint pen
JP2023106581A (en) Ball point pen
JP7013126B2 (en) Ballpoint pen
JP2019181892A (en) Writing instrument
JP2005313404A (en) Writing utensil
JP2009034878A (en) Duplex writing utensil
JP6808472B2 (en) Writing implements
JP6334884B2 (en) Ballpoint pen
JP7269153B2 (en) ballpoint pen
JP2020199749A (en) Ball point pen
JP4632280B2 (en) Ballpoint pen tip
JP2010064365A (en) Refill for multiple lead writing utensil
JP2017217759A (en) Writing utensil
JP6155095B2 (en) Direct liquid writing instrument
JP2020192727A (en) Ball point pen
JP3734529B2 (en) Nib holding structure
JP2023070970A (en) writing instrument
JP2018103428A (en) Marking pen
KR200158361Y1 (en) A comming out bar shaped article
JP4460748B2 (en) Direct liquid writing instrument

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20220118

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220203

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220203

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20221220

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230105

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230220

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20230404

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20230425

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230531

R150 Certificate of patent or registration of utility model

Ref document number: 7289941

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150