WO2019026934A1 - Instrument d'écriture - Google Patents

Instrument d'écriture Download PDF

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Publication number
WO2019026934A1
WO2019026934A1 PCT/JP2018/028774 JP2018028774W WO2019026934A1 WO 2019026934 A1 WO2019026934 A1 WO 2019026934A1 JP 2018028774 W JP2018028774 W JP 2018028774W WO 2019026934 A1 WO2019026934 A1 WO 2019026934A1
Authority
WO
WIPO (PCT)
Prior art keywords
writing
holder
writing instrument
axis
shaft
Prior art date
Application number
PCT/JP2018/028774
Other languages
English (en)
Japanese (ja)
Inventor
鈴木　智昭
Original Assignee
株式会社壽
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 株式会社壽 filed Critical 株式会社壽
Priority to CN201880049673.2A priority Critical patent/CN110997344A/zh
Priority to JP2019534545A priority patent/JP7100642B2/ja
Publication of WO2019026934A1 publication Critical patent/WO2019026934A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
    • B43K24/14—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by turning means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
    • B43K24/18—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units and for feeding the writing-cores

Definitions

  • the present invention relates to a writing instrument which can select and use one of a plurality of cursive letters.
  • the shaft cylinder Is composed of a front barrel and a rear barrel that can be rotated relative to the front barrel, the outer diameter of the barrel being less than 10.5 mm, and A cam main body which can not be rotated with respect to the main shaft, and a slider which can not rotate with respect to the front barrel and which is connected to the rear end of each writing shaft are provided.
  • a projecting V-shaped cam projection is formed to form a cam surface facing forward along the cam projection, and a locking portion is formed at an apex portion of the cam projection of the cam surface
  • the slider is formed with a V-shaped cam projecting rearward, and a sliding contact surface facing rearward along the cam is formed. And the sliding contact surface is pressed against the cam surface, and the sliding contact surface of the cam slides on the cam surface due to relative rotation between the rear barrel and the front barrel, 1
  • a writing tool in which a tip of a writing shaft selectively connected to a slider provided with the cam is protruded from a tip opening of a barrel by locking two cams to the locking portion (for example, , Patent Document 1). According to this writing instrument, while the outer diameter of the barrel is small, a plurality of knocking bars are not exposed as in the prior art, and a return button or the like becomes unnecessary, providing a writing instrument with good appearance and good operability. be able to.
  • a shaft cylinder a plurality of writing materials including a writing material provided forwardly and backwardly in the shaft cylinder and provided with a core accommodating portion, and a part of the writing material, one end is advanced or retracted It is a member for advancing or retracting the lead containing part by sliding in the direction, and the slide member in which the lead containing part is inserted at the other end which is the non-operation side end, and the tip of the writing body protrudes
  • a writing instrument including a tip hole provided on the tip end of the shaft cylinder in the axial radial direction so as to be closer to the core accommodation portion side than the shaft center of the shaft cylinder (for example, Patent Document 2 and Patent Document) 3). According to these writing instruments, it is possible to provide a composite writing instrument with a short overall length by inserting the lead accommodating portion into the slide member so that a part of the lead can be accommodated.
  • Patent Document 1 Japanese Patent Application Publication No. 2005-161829 (For example, refer to paragraph 0008, paragraph 0014.)
  • Re-issued patent WO 2010/024346 see, for example, paragraph 0008, paragraph 0012) JP, 2011-073388, A (For example, refer to Drawing 1.)
  • An object of the present invention is to provide a writing instrument including a plurality of writing materials, wherein one writing material can be made to project along an axis.
  • the writing instrument is provided with a plurality of writing materials, and one of the plurality of writing materials can be made to project from the tip, and is disposed radially offset from the axis
  • a plurality of reciprocable sliders and a holder connecting the one writing body to one of the plurality of sliders such that one of the plurality of writing bodies substantially always extends along the axis.
  • the other cursive of the plurality of cursives is disposed radially offset from the axis.
  • a writing instrument including a plurality of writing materials
  • FIG. 5 is a cross-sectional view taken along the line V-V in FIG. 4 showing the holder of the writing instrument according to the embodiment of the present invention.
  • FIG. 7 is a schematic cross-sectional view taken along the line VII-VII of FIG. 6, showing the writing instrument according to the embodiment of the present invention. It is a partially sectioned front view which shows typically the state which the writing body of the writing instrument which concerns on one Embodiment of this invention immerses in the front opening, and is a figure which mainly shows a mechanical pencil refill, a holder, and a guide member.
  • FIG. 7 is a schematic cross-sectional view taken along the line VII-VII of FIG. 6, showing the writing instrument according to the embodiment of the present invention.
  • FIG. 7 is a partially sectioned front view which shows typically the state which the writing body of the writing instrument which concerns on one Embodiment of this invention immerses in the front opening, and is a figure which mainly shows a mechanical pencil refill, a holder, and a guide member.
  • FIG. 3 is a schematic cross-sectional view taken along the line IX-IX of FIG. 2 of the writing instrument according to the embodiment of the present invention.
  • FIG. 1 is a plan view showing the appearance of a writing instrument 1 according to an embodiment of the present invention.
  • the writing instrument 1 includes a barrel 2 including a front barrel 20 and a rear barrel 30, and a clip 6 attached to the rear barrel 30 of the barrel 2.
  • the front shaft 20 side is taken as the front of the writing instrument 1 along the direction of the axis L in the longitudinal direction of the writing instrument 1, and the opposite rear shaft 30 is taken as the rear.
  • the writing instrument 1 is provided with one mechanical pencil refill 3 and two ball pen refills 4 (see FIG. 2) as a plurality of cursive letters, and by sequentially rotating the front shaft 20 and the rear shaft 30, one by one.
  • the cursive body of the present invention is configured to project from the distal end opening 25 of the front end, which is a tapered portion of the front shaft 20, so that a desired cursive body can be selected and used.
  • the front shaft 20 is formed in a substantially cylindrical shape.
  • the front end of the front shaft 20 is tapered, and a front end opening 25 is formed at the front end of the front end.
  • the cylindrical fitting cylinder 21 is detachably inserted into the rear end opening of the front shaft 20.
  • the insertion of the fitting cylinder 21 into the front shaft 20 is restricted by the abutment flange 21 a annularly formed on the outer periphery of the central portion of the fitting cylinder 21 coming into contact with the rear end of the front shaft 20.
  • a holding cylindrical portion 51a formed in a substantially cylindrical shape at the front of a guide member 51 described later is press-fitted and fixed.
  • a guide portion 51b for guiding the slide of the sliders 55 and 56 described later is formed.
  • the guide portion 51 b is formed in a substantially cylindrical shape, and slide guides 51 b 1, 51 b 2, 51 b 3 which are three grooves extending in the axial direction are formed on the outer peripheral surface thereof.
  • a slider 55 to which a holder 52 for holding the mechanical pencil refill 3 is attached is slidably assembled to the slide guide 51b1.
  • a slider 56 to which a holder 53 for holding the ballpoint pen refill 4 is attached is slidably assembled to the slide guides 51b2 and 51b3.
  • the rear end of the core tank 3 a of the mechanical pencil refill 3 is pressed into the front end opening of the holder 52 holding the mechanical pencil refill 3.
  • the holder 53 for holding the ballpoint pen refill 4 is formed in a substantially rod shape, and a cylindrical joint 58 is fixed to the tip thereof.
  • the rear end of the ink tank of the ballpoint pen refill 4 is detachably press-fitted into the end opening of the joint 58.
  • cam followers 55a and 56a which engage with the cam surface 54a of the rotating cam 54, which will be described in detail later, are formed.
  • a pressure spring 57 which is a compression coil spring, is disposed between the rear surface of the holding cylindrical portion 51a of the guide member 51 and the sliders 55 and 56.
  • the sliders 55 and 56 are always urged rearward by the pressure spring 57 and pressed onto the cam surface 54 a of the rotating cam 54 described in detail later. Therefore, by the rotation of the rotary cam 54, the cam followers 55a, 56a of the sliders 55, 56 move in the axial direction following the cam surface 54a of the rotary cam 54.
  • the mechanical pencil refill 3 and the ball pen refill 4 attached to the sliders 55 and 56 are guided so as to be movable back and forth by the slide guides 51 b 1, 51 b 2 and 51 b 3 of the guide member 51 in a state always biased rearward by the pressing spring 57, As will be described in detail later, it is selectively moved back and forth by a cam mechanism 50 which is a cursive mechanism.
  • the rotating cam 54 is formed in a substantially cylindrical shape in which the tip of the cylindrical member is cut obliquely, and the inclined tip portion is disposed forward as the cam surface 54 a. Therefore, the rotating cam 54 is formed in a substantially V-shape in plan view.
  • a notch (not shown) is formed at the tip of the rotating cam 54, and can engage with the top of the cam followers 55a, 56a formed in the substantially pentagonal shape of the sliders 55, 56.
  • a guide member rotation support shaft 51 c is formed at the rear end of the guide portion 51 b of the guide member 51.
  • the guide member rotation support shaft 51c has a shaft portion 51c1 and a removal preventing collar portion 51c2 formed in an umbrella shape at the rear end of the shaft portion 51c1.
  • the rotary cam 54 is formed with an annular rib 54 b projecting annularly on the inner peripheral surface thereof.
  • the guide member rotation support shaft 51 c is rotatably assembled to the annular rib 54 b of the rotation cam 54.
  • the rotating cam 54 is rotatable relative to the guide member 51 in the circumferential direction about the axis L.
  • the front surface of the flange portion 51c2 of the guide member rotation support shaft 51c abuts on the rear surface of the annular rib 54b of the rotation cam 54, whereby the forward movement of the guide member 51 with respect to the rotation cam 54 is restricted.
  • a crimped portion 30a that protrudes to the inner circumferential surface of the rear shaft 30 is formed.
  • the front end of the substantially cylindrical eraser holder 31 is screwed to the rear end portion of the substantially cylindrical rotational cam 54 through the base 6 a of the annularly formed clip 6.
  • An eraser, which is an eraser 32, is removably inserted into the rear of the eraser holder 31.
  • a male screw portion is formed on the rear outer periphery of the eraser holder 31, and the rear shaft cap 33 is screwed.
  • An O-ring 34 is disposed between the rear shaft cap 33 and the rear portion of the eraser holder 31 to prevent loosening of the screw between the rear shaft cap 33 and the eraser holder 31.
  • the front end of the rear shaft 30 is press-fit into the rear end opening of the cylindrical decorative ring 35.
  • the decorative ring 35 covers the gap formed between the front end of the rear shaft 30 and the rear end of the front shaft 20.
  • the gap formed between the front end of the rear shaft 30 and the rear end of the front shaft 20 ensures a knocking stroke for drawing core feeding of the mechanical pencil refill 3.
  • the cam mechanism 50 includes a guide member 51, a holder 52 for the mechanical pencil refill 3, a holder 53 for the ball pen refill 4, a rotary cam 54, sliders 55 and 56, a pressure spring 57, and a joint 58.
  • the rear shaft 30, the rotation cam 54, the eraser holder 31, and the rear shaft cap 33 are integrally rotatable in the circumferential direction with respect to the guide member 51 and the fitting cylinder 21.
  • the cam mechanism 50 can press the sliders 55 and 56 to which one of the plurality of selected writing materials is connected so as to project forward.
  • the mechanical pencil refill 3 can have any known configuration.
  • the mechanical pencil refill 3 has a cylindrical core tank 3 a whose rear end is assembled to the holder 52.
  • a writing core feeding mechanism 40 is attached to the front end of the core tank 3a.
  • the rear portion of the chuck joint 41 is detachably press-fit into the front end opening of the core tank 3a.
  • the chuck 42 is press-fitted and fixed to the front of the chuck joint 41.
  • An inner cylindrical member 43 is disposed on the outer periphery of the chuck joint 41 and the chuck 42 so as to be movable back and forth relative to the chuck joint 41.
  • a chuck ring 44 is disposed on the outer periphery of the large diameter portion of the chuck 42 in front of the middle cylindrical member 43.
  • the chuck ring 44 is restricted in its forward movement by the large diameter portion of the chuck 42.
  • a chuck spring 45 is disposed on the outer periphery of the chuck 42 between an annular step portion formed on the inner peripheral surface of the middle cylindrical member 43 and the front end of the chuck joint 41.
  • the middle cylindrical member 43 and the chuck ring 44 are urged forward by the chuck spring 45.
  • the rearward movement of the middle cylindrical member 43 beyond the predetermined amount is restricted by the annular projection 41 a formed on the outer periphery of the chuck joint 41.
  • a front metal (tip) 46 having an annular step formed on the outer periphery is screwed to the front of the middle cylinder member 43.
  • a core breaker 47 for gripping the writing core W is assembled to the inside of the front end side of the front metal 46.
  • the rear end of the rear shaft 30 is knocked when the cam follower 55a of the slider 55 is engaged with the tip of the cam surface 54a of the rotating cam 54.
  • the outer circumferential step of the front metal 46 abuts against the inner edge of the tip opening 25 of the front shaft 20, and the chuck 42 and the chuck ring 44 are engaged and disengaged to operate the writing core feeding mechanism 40 and feed the writing core W forward.
  • the ballpoint pen refill 4 has the well-known ballpoint pen tip 4a and the ink tank 4b, but the detailed description is omitted here.
  • the holder 52 includes a holder main body 521 formed in a cylindrical shape and an axially extending portion 522 formed in a substantially cylindrical shape.
  • the holder main body 521 has a longitudinal central axis LH offset from the axis L by a predetermined amount in the radial direction.
  • the axially extending portion 522 of the holder 52 extends on the axis L of the writing instrument 1.
  • the holder 52 has a radially extending portion extending radially between the central axis LH and the axis L of the holder main body 521 by a predetermined amount.
  • the inner peripheral surface of the axially extending portion 522 is configured such that the inner periphery of the rear portion is smaller in diameter than the inner periphery of the front portion.
  • the mechanical pencil refill 3 can be assembled to the holder main body 521 so as to have a predetermined elasticity in the radial direction.
  • the holder 52 itself has a predetermined elasticity in the radial direction, when a plurality of writing materials interfere and operate on the axis L as will be described in detail later, the other writing materials have It is preferable because the tip can be pushed out from the axis L.
  • a plurality of introduction parts (introduction slopes) 522a are formed at the boundary where the inner circumference of the axially extending part 522 is reduced in diameter.
  • the rear end of the core tank 3 a of the mechanical pencil refill 3 is detachably press-fit into the inner periphery of the axially extending portion 522.
  • the axially extending portion 522 is assembled to the core tank 3a so as to cover the outer periphery of the core tank 3a, so the capacity in the core tank 3a can be sufficiently secured.
  • a cylindrical slider mounting shaft 553 is formed at the rear end of the holder main body 521.
  • the outer peripheral surface of the slider mounting shaft 553 of the holder 52 is detachably press-fit into the tip opening of the slider 55.
  • the mechanical pencil refill 3 held by the axially extending portion 522 of the holder 52 has a distance from the axis LH to the axis L radially inward from the axis LH of the holder main body 521. And extends on the axis L of the writing instrument 1.
  • the holder main body 521 of the holder 52 to which the mechanical pencil refill 3 is assembled, and the holder 53 to which the two ball pen profiles 4 are assembled are offset radially outward from the axis L Ru.
  • the holder main body 521 of the holder 52 connects the mechanical pencil refill 3 to the slider 55, and the holder 53 connects the ball pen refill 4 to the slider 56.
  • the sliders 55 and 56 are guided by slide guides 51 b 1, 51 b 2 and 51 b 3 which are arranged at equal intervals in the circumferential direction and offset in the radial direction from the central axis in the guide portion 51 b.
  • the mechanical pencil refill 3 (writing core feeding mechanism 40, core tank 3a) may be pressed by the ball pen refill 4 as described in detail later, and only its tip may be pushed out from the axis L Even in this case, they are disposed so as to extend substantially on the axis L substantially at a constant radial offset from the axis LH.
  • the mechanical pencil refill 3 is arranged to extend substantially at all times along the axis L, and protrudes along the axis L. For this reason, compared with the case where it inclines with respect to the axis L at the time of protrusion as in the prior art, the problem that the writing core W is broken at the tip or the like of the writing core feeding mechanism 40 can be reduced. .
  • a writing core W containing graphite as a coloring agent is used, but in another embodiment using another colored writing core having a relatively low strength, the writing core protrudes along the axis L It is more preferable to do.
  • the holder 52 is configured to grip the mechanical pencil refill 3 (writing core feeding mechanism 40) so as to have a predetermined elasticity in the radial direction.
  • the ballpoint pen feeler 4 is an axial line at least the tip of the mechanical pencil feeler 3 to be retracted. It is desirable to be able to push out from above L.
  • one cursive body is arranged to extend substantially constantly on the axis, and the protruding strokes of the plurality of cursive bodies are configured to be relatively short. As a result, the plurality of cursive bodies are mutually Even in the case of interference, the selected cursive can be smoothly projected from the front end.
  • the guide member 51 is formed with a writing core supply passage 51 d which can supply the writing core W from the rear, which is a hole penetrating in the front and rear direction on the axis L Is preferred.
  • the writing core supply passage 51 d, the axially extending portion 522 of the holder 52 and the mechanical pencil refill 3 are disposed coaxially with the axis L.
  • the mechanical pencil refill 3 has a rear end opening that can supply the writing core W from the rear. According to this structure, the rear end opening of the mechanical pencil refill 3 can be always disposed on the axis L.
  • the writing core feeding mechanism 40 and the writing core supply path 51d can be kept in communication at all times. Therefore, the writing core W can be constantly supplied to the mechanical pencil refill 3 from the rear of the writing instrument 1.
  • the additional writing wick W is constantly supplied to the wick tank 3a via the wick supply path 51d regardless of the protruding state of the writing material. it can.
  • the rear end opening of the mechanical pencil refill 3 is disposed on the axis L of the writing instrument 1, the writing core W can be easily replenished from the rear of the writing instrument 1.
  • the rear end opening of the mechanical pencil refill which is offset from the axis L in the radial direction is temporarily disposed on the axis L when the writing core is supplied from the back of the writing instrument. It may be configured as follows.
  • the rear end opening of the axially extending portion 522 of the holder 52 is on the front surface of the bottom of the holding cylindrical portion 51 a of the guide member 51.
  • the additional writing core W can be replenished in order to approach or abut.
  • the axially extending portion 522-1 of the holder 52 may be configured to be inserted into the core tank 3a of the mechanical pencil refill 3 Good.
  • the mechanical pencil refill 3 can be held on the axis L so as to have further different radial elasticity.
  • the writing tool 1 is configured to relatively rotate the front shaft 20 and the rear shaft 30 by the cam mechanism 50 that is a writing-in and out mechanism to select one writing material, but is not limited thereto.
  • Each writing body is provided with a plurality of sliders connected via a holder, and at least a portion of each of the sliders protrudes radially outward from the barrel and manually slides one slider forward for slide operation. It can also be considered as a writing instrument provided with a slide-type writing-in and -out mechanism by which one writing-type can be selected and made to project from a tip.

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Abstract

Le problème décrit par la présente invention est de fournir un instrument d'écriture qui est pourvu d'une pluralité de corps d'écriture, et qui est susceptible de faire dépasser l'un des corps d'écriture le long d'une ligne axiale. La solution selon l'invention porte sur un instrument d'écriture selon un mode de réalisation qui est pourvu d'une pluralité de corps d'écriture, et qui est susceptible d'amener un corps de la pluralité de corps d'écriture à dépasser d'une ouverture au niveau de la pointe. L'instrument d'écriture comporte : une pluralité de curseurs qui sont disposés de façon à être décalés par rapport à une ligne axiale dans la direction radiale, et qui sont susceptibles de se déplacer vers l'arrière et vers l'avant dans la direction de la ligne axiale ; et un support qui relie un corps de la pluralité de corps d'écriture à l'un des curseurs de la pluralité de curseurs de telle sorte que le corps d'écriture s'étende sensiblement toujours le long de la ligne axiale. Les autres corps d'écriture de la pluralité de corps d'écriture sont disposés de manière à être décalés par rapport à la ligne axiale dans la direction radiale.
PCT/JP2018/028774 2017-08-01 2018-08-01 Instrument d'écriture WO2019026934A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880049673.2A CN110997344A (zh) 2017-08-01 2018-08-01 书写用具
JP2019534545A JP7100642B2 (ja) 2017-08-01 2018-08-01 筆記具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-148792 2017-08-01
JP2017148792 2017-08-01

Publications (1)

Publication Number Publication Date
WO2019026934A1 true WO2019026934A1 (fr) 2019-02-07

Family

ID=65232790

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/028774 WO2019026934A1 (fr) 2017-08-01 2018-08-01 Instrument d'écriture

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Country Link
JP (1) JP7100642B2 (fr)
CN (1) CN110997344A (fr)
WO (1) WO2019026934A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268183A (en) * 1979-09-10 1981-05-19 Zebra Co., Ltd. Composite writing instrument
JPS6026891U (ja) * 1983-07-29 1985-02-23 アキ貿易株式会社 筆記具
JP2013220642A (ja) * 2012-04-19 2013-10-28 Epokku Chemical:Kk 多芯型筆記具

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000335181A (ja) 1999-05-28 2000-12-05 Pentel Corp 回転繰出式複合筆記具

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4268183A (en) * 1979-09-10 1981-05-19 Zebra Co., Ltd. Composite writing instrument
JPS6026891U (ja) * 1983-07-29 1985-02-23 アキ貿易株式会社 筆記具
JP2013220642A (ja) * 2012-04-19 2013-10-28 Epokku Chemical:Kk 多芯型筆記具

Also Published As

Publication number Publication date
JP7100642B2 (ja) 2022-07-13
CN110997344A (zh) 2020-04-10
JPWO2019026934A1 (ja) 2020-06-11

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