JP3172744U - Multi-core writing instrument and cursive body used therefor - Google Patents

Multi-core writing instrument and cursive body used therefor Download PDF

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JP3172744U
JP3172744U JP2011006179U JP2011006179U JP3172744U JP 3172744 U JP3172744 U JP 3172744U JP 2011006179 U JP2011006179 U JP 2011006179U JP 2011006179 U JP2011006179 U JP 2011006179U JP 3172744 U JP3172744 U JP 3172744U
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ball
diameter
writing instrument
writing
pen tip
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幹也 井戸
雅也 山口
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Pilot Ink Co Ltd
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Pilot Ink Co Ltd
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Abstract

【課題】ペン先前端のボールの大小を遠くからでも識別でき、しかも、ペン先前端のボールの大小を、操作体を正面から見なくても容易に識別できる多芯筆記具を提供する。
【解決手段】軸筒２内に複数の筆記体５を前後方向に移動可能に収容する。各々の筆記体５の後端の操作体６を軸筒２の側壁の窓孔２２より突出させる。操作部６１を窓孔２２に沿って前方にスライドさせることにより、筆記体５のペン先５１を軸筒２の前端孔２１から出没させる。各々の筆記体５のペン先５１が、前端にボールが回転可能に抱持されたボールペンチップからなる。各々の筆記体５のペン先５１前端のボールの直径が異なる。各々の筆記体５の後端の操作体６の操作部６１の軸方向の長さがボールの直径に対応して異なり、ボールの直径が大きくなるに従い、操作部６１の軸方向の長さを大きく形成する。
【選択図】 図５The present invention provides a multi-core writing instrument that can identify the size of a ball at the front end of the pen tip even from a distance, and that can easily identify the size of the ball at the front end of the pen tip without looking at an operating body from the front.
A plurality of writing bodies are accommodated in a shaft cylinder so as to be movable in the front-rear direction. The operating body 6 at the rear end of each writing body 5 is projected from the window hole 22 on the side wall of the shaft tube 2. By sliding the operation unit 61 forward along the window hole 22, the pen tip 51 of the writing body 5 is caused to appear and disappear from the front end hole 21 of the shaft cylinder 2. The pen point 51 of each cursive body 5 is composed of a ball-point pen tip having a ball rotatably held at the front end. The diameter of the ball at the front end of the nib 51 of each cursive body 5 is different. The length in the axial direction of the operating portion 61 of the operating body 6 at the rear end of each cursive body 5 differs according to the diameter of the ball, and the axial length of the operating portion 61 increases as the diameter of the ball increases. Form large.
[Selection] Figure 5

Description

本考案は、多芯筆記具及びそれに用いる筆記体に関する。詳細には、軸筒の側壁の窓孔から突出する操作体を前方にスライドさせることにより、軸筒内部に収容した筆記体のペン先を軸筒の前端孔から出没させる多芯筆記具及びそれに用いる筆記体に関する。 The present invention relates to a multi-core writing instrument and a writing body used therefor. Specifically, a multi-core writing instrument that causes a pen tip of a writing body accommodated in the shaft cylinder to slide out from a front end hole of the shaft cylinder by sliding an operating body protruding from the window hole on the side wall of the shaft cylinder, and the same to be used for it. About cursive.

特許文献１には、軸筒の側壁の窓孔から突出する操作体を前方にスライドさせることにより、軸筒内部に収容した筆記体のペン先を軸筒の前端孔から出没させる多芯筆記具において、操作体の外面にペン先前端の大きさを示す表示部（例えば、数字、文字、記号、図形）を設けた構成が開示されている。 Patent Document 1 discloses a multi-core writing instrument in which a pen tip of a writing body accommodated in a shaft cylinder is caused to slide out from a front end hole of the shaft cylinder by sliding an operation body protruding from a window hole in a side wall of the shaft cylinder forward. In addition, a configuration is disclosed in which a display unit (for example, numerals, characters, symbols, and figures) indicating the size of the front end of the pen tip is provided on the outer surface of the operating body.

特開２００８−７３９３４号公報JP 2008-73934 A

前記特許文献１の多芯筆記具において、表示部が窓孔を通して視認されるため、遠くからでは表示部を視認し難いし、さらに、窓孔及び操作体を正面から見なければ表示部を確実に視認できない。 In the multi-core writing instrument of Patent Document 1, since the display unit is visually recognized through the window hole, it is difficult to visually recognize the display unit from a distance. Further, if the window hole and the operating body are not viewed from the front, the display unit is surely displayed. Cannot be seen.

本考案は、前記従来の問題点を解決するものであって、ペン先前端のボールの大小を遠くからでも識別でき、しかも、ペン先前端のボールの大小を、操作体を正面から見なくても容易に識別できる多芯筆記具及び多芯筆記具用筆記体を提供しようとするものである。尚、本考案において、「前」とはペン先側を指し、「後」とはその反対側を指す。 The present invention solves the above-mentioned conventional problems, and can identify the size of the ball at the front end of the pen tip even from a distance. The present invention is also intended to provide a multi-core writing instrument and a multi-core writing instrument that can be easily identified. In the present invention, “front” refers to the pen tip side, and “rear” refers to the opposite side.

[１]本願の第１の考案は、軸筒２内に複数の筆記体５を前後方向に移動可能に収容し、前記各々の筆記体５を弾発体４により後方に付勢し、前記各々の筆記体５の後端に操作体６を取り付け、前記軸筒２の側壁に軸方向に延びる複数の窓孔２２を径方向に貫設し、前記各々の窓孔２２から径方向外方に前記各々の操作体６の操作部６１を突出させ、一つの操作部６１を窓孔２２に沿って前方にスライドさせることにより、その一つの操作体６が取り付けられた筆記体５のペン先５１を軸筒２の前端孔２１から突出させるとともに、先に突出状態にあった他の筆記体５のペン先５１を軸筒２内に没入させてなり、前記各々の筆記体５のペン先５１が、前端にボールが回転可能に抱持されたボールペンチップからなる多芯筆記具であって、前記各々の筆記体５のペン先５１前端のボールの直径が異なり、前記各々の筆記体５の後端の操作体６の操作部６１の形状が、前記ボールの直径に対応して異なることを要件とする。 [1] In the first device of the present application, a plurality of writing bodies 5 are accommodated in the shaft cylinder 2 so as to be movable in the front-rear direction, and each of the writing bodies 5 is urged rearward by the elastic body 4, An operating body 6 is attached to the rear end of each writing body 5, a plurality of window holes 22 extending in the axial direction are provided in a radial direction on the side wall of the shaft cylinder 2, and radially outward from the respective window holes 22. The operation parts 61 of the respective operation bodies 6 are projected to each other, and one operation part 61 is slid forward along the window hole 22 so that the pen tip of the writing body 5 to which the one operation body 6 is attached. 51 is protruded from the front end hole 21 of the shaft cylinder 2, and the pen tip 51 of the other writing body 5 that has been in the protruding state is immersed in the shaft cylinder 2, and the pen tip of each of the writing bodies 5 is inserted. 51 is a multi-core writing instrument consisting of a ballpoint pen tip that has a ball rotatably held at the front end, The diameter of the ball at the front end of the pen tip 51 of the cursive body 5 is different, and the shape of the operation portion 61 of the operation body 6 at the rear end of each of the cursive bodies 5 is different according to the diameter of the ball. To do.

前記第１の考案の多芯筆記具１は、操作部６１の形状を視認することにより、ペン先５１前端のボールの大小を遠くからでも識別でき、しかも、ペン先５１前端のボールの大小を、操作体６を正面から見なくても容易に識別できる。 The multi-core writing instrument 1 of the first device can recognize the size of the ball at the front end of the pen tip 51 from a distance by visually recognizing the shape of the operation unit 61, and also the size of the ball at the front end of the pen tip 51, The operating body 6 can be easily identified without looking from the front.

［２］本願の第２の考案は、前記第１の考案の多芯筆記具１において、前記操作部６１の頂部の厚みＴ１，Ｔ２，Ｔ３がボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記操作部６１の頂部の厚みを大きく形成したことを要件とする。 [2] The second device of the present application is that, in the multi-core writing instrument 1 of the first device, the thicknesses T1, T2, and T3 of the top of the operation unit 61 differ according to the diameter of the ball, and the diameter of the ball is different. It is a requirement that the thickness of the top portion of the operation portion 61 is increased as the size increases.

前記第２の考案の多芯筆記具１は、ボールの直径の大小を確実に識別できる。 The multi-core writing instrument 1 of the second device can reliably identify the diameter of the ball.

［３］本願の第３の考案は、前記第１の考案の多芯筆記具１において、前記操作部６１の軸方向の長さＬ１，Ｌ２，Ｌ３がボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記操作部６１の軸方向の長さを大きく形成したことを要件とする。 [3] The third device of the present application is that, in the multi-core writing instrument 1 of the first device, the axial lengths L1, L2, and L3 of the operation unit 61 differ according to the diameter of the ball. The requirement is that the axial length of the operation portion 61 is increased as the diameter increases.

前記第３の考案の多芯筆記具１は、ボールの直径の大小を確実に識別できる。 The multi-core writing instrument 1 of the third invention can reliably identify the diameter of the ball.

［４］本願の第４の考案は、前記第１の考案の多芯筆記具１において、前記操作部６１の頂部に突起を設け、前記突起の個数がボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記突起の個数を多く形成したことを要件とする。 [4] The fourth device of the present application is that, in the multi-core writing instrument 1 of the first device, a protrusion is provided on the top of the operation unit 61, and the number of the protrusions differs according to the diameter of the ball. The requirement is that the number of the protrusions is increased as the diameter increases.

前記第４の考案の多芯筆記具１は、ボールの直径の大小を確実に識別できる。 The multi-core writing instrument 1 of the fourth device can reliably identify the diameter of the ball.

［５］本願の第５の考案は、使用時に軸筒２内に複数本が収容され、各々の後端に取り付けた操作体６の操作部６１を軸筒２の側壁の窓孔２２より外部に突出させ、前記操作部６１を前方にスライド操作することにより軸筒２の前端からペン先５１を出没させる多芯筆記具用筆記体であって、軸筒２内に収容される前の状態において、前端にボールが回転可能に抱持されたペン先５１と、該ペン先５１が前端に固着され且つ内部にインキが収容されたインキ収容管５２と、該インキ収容管５２の後端に取り付けられ且つインキ収容管５２内のインキの色に着色された操作体６とを備え、前記ペン先５１前端のボールの直径が異なる複数種の筆記体５からなり、前記各々の操作体６の操作部６１の形状が、前記ボールの直径に対応して異なることを要件とする。 [5] In the fifth device of the present application, when used, a plurality of shaft cylinders 2 are accommodated, and the operating portion 61 of the operating body 6 attached to each rear end is externally provided through the window hole 22 on the side wall of the shaft cylinder 2. In the state before being accommodated in the shaft tube 2, the pendant 51 is projected and retracted from the front end of the shaft tube 2 by sliding the operation unit 61 forward. A pen nib 51 in which a ball is rotatably held at the front end, an ink containing tube 52 fixed to the front end and containing ink therein, and attached to the rear end of the ink containing tube 52 And a plurality of writing bodies 5 having different diameters of the balls at the front end of the pen tip 51, and each of the operation bodies 6 is operated. The shape of the part 61 may differ depending on the diameter of the ball. The the requirements.

前記第５の考案の多芯筆記具用筆記体５は、ペン先５１前端のボールの直径が異なる複数種を有する場合、操作部６１の形状を視認することにより、ペン先５１前端のボールの大小を遠くからでも識別でき、しかも、ペン先５１前端のボールの大小を、操作体６を正面から見なくても容易に識別できる。 When the writing body 5 for the multi-core writing instrument of the fifth invention has a plurality of types having different diameters of the ball at the front end of the pen tip 51, the size of the ball at the front end of the pen tip 51 can be determined by visually checking the shape of the operation unit 61. Can be identified even from a distance, and the size of the ball at the front end of the pen tip 51 can be easily identified without looking at the operating body 6 from the front.

［６］本願の第６の考案は、前記第５の考案の多芯筆記具用筆記体５において、前記操作部６１の頂部の厚みＴ１，Ｔ２，Ｔ３がボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記操作部６１の頂部の厚みを大きく形成したことを要件とする。 [6] A sixth invention of the present application is that, in the writing body 5 for a multi-core writing instrument of the fifth invention, the thicknesses T1, T2, and T3 of the top of the operation unit 61 differ according to the diameter of the ball. It is a requirement that the thickness of the top of the operation portion 61 is increased as the diameter of the operation portion 61 increases.

前記第６の考案の多芯筆記具用筆記体５は、ボールの直径の大小を確実に識別できる。 The writing body 5 for a multi-core writing instrument of the sixth invention can reliably identify the size of the diameter of the ball.

［７］本願の第７の考案は、前記第５の考案の多芯筆記具用筆記体５において、前記操作部６１の軸方向の長さＬ１，Ｌ２，Ｌ３がボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記操作部６１の軸方向の長さを大きく形成したことを要件とする。 [7] The seventh device of the present application is that the lengths L1, L2, and L3 in the axial direction of the operation unit 61 are different according to the diameter of the ball in the multi-core writing instrument 5 of the fifth device. The requirement is that the axial length of the operation portion 61 is increased as the diameter of the ball increases.

前記第７の考案の多芯筆記具用筆記体５は、ボールの直径の大小を確実に識別できる。 The multi-core writing instrument 5 according to the seventh aspect of the present invention can reliably identify the diameter of the ball.

［８］本願の第８の考案は、前記第５の考案の多芯筆記具用筆記体５において、前記操作部６１の頂部に突起を設け、前記突起の個数がボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記突起の個数を多く形成したことを要件とする。 [8] The eighth device of the present application is that, in the writing body 5 for a multi-core writing instrument according to the fifth device, a projection is provided on the top of the operation unit 61, and the number of the projections differs according to the diameter of the ball. The requirement is that the number of the protrusions is increased as the diameter of the ball increases.

前記第８の考案の多芯筆記具用筆記体５は、ボールの直径の大小を確実に識別できる。 The writing body 5 for a multi-core writing instrument according to the eighth invention can reliably identify the size of the ball diameter.

本考案の多芯筆記具は、操作部の形状を視認することにより、ペン先前端のボールの大小を遠くからでも識別でき、しかも、ペン先前端のボールの大小を、操作体を正面から見なくても容易に識別できる。 The multi-core writing instrument of the present invention can identify the size of the ball at the front end of the pen tip even from a distance by visually recognizing the shape of the operation unit, and the size of the ball at the front end of the pen tip can be seen from the front. However, it can be easily identified.

本考案の多芯筆記具用筆記体は、操作部の形状を視認することにより、ペン先前端のボールの大小を遠くからでも識別でき、しかも、ペン先前端のボールの大小を、操作体を正面から見なくても容易に識別できる。 The multi-core writing instrument of the present invention allows the size of the ball at the front end of the pen tip to be identified from a distance by visually recognizing the shape of the operation unit. It can be easily identified without looking at.

＜第１の実施の形態＞
図１乃至図４に、本考案の多芯筆記具１及びそれに用いる筆記体５（多芯筆記具用筆記体）の第１の実施の形態を示す。 <First Embodiment>
1 to 4 show a first embodiment of a multi-core writing instrument 1 of the present invention and a writing body 5 (writing body for a multi-core writing instrument) used therefor.

本実施の形態の多芯筆記具１は、軸筒２内に複数本（具体的には２本）の筆記体５が前後方向に移動可能に収容されている。前記各々の筆記体５は、弾発体４（具体的には圧縮コイルスプリング）により、後方に付勢されている。 In the multi-core writing instrument 1 of the present embodiment, a plurality (specifically, two) of writing bodies 5 are accommodated in a shaft tube 2 so as to be movable in the front-rear direction. Each of the writing bodies 5 is urged rearward by an elastic body 4 (specifically, a compression coil spring).

（軸筒）
前記軸筒２は、先細状の円筒体からなる前軸２ａと、該前軸２ａの後端部と螺合または圧入により取り付けられる円筒状の後軸２ｂとからなる。前記前軸２ａの前端には、筆記体５のペン先５１が突出可能な前端孔２１が軸方向に貫設される。前記前軸２ａ及び後軸２ｂは、合成樹脂（例えば、ポリカーボネイト等）の射出成形により得られる。 (Shaft tube)
The shaft cylinder 2 includes a front shaft 2a formed of a tapered cylindrical body and a cylindrical rear shaft 2b attached to the rear end portion of the front shaft 2a by screwing or press-fitting. At the front end of the front shaft 2a, a front end hole 21 through which the pen tip 51 of the writing body 5 can protrude is provided in the axial direction. The front shaft 2a and the rear shaft 2b are obtained by injection molding of a synthetic resin (for example, polycarbonate).

前記後軸２ｂの後部の側壁には、複数本（具体的には２本）の前後方向に延びる細長状の窓孔２２が、径方向に貫設される。前記２本の窓孔２２は、互いに、軸線に対して対称の位置に形成される。また、前記後軸２ｂの後端部には、軸方向に貫通し且つ径方向外方に開口する開口部２３が形成される。前記開口部２３は、後軸２ｂの後端（即ち軸筒２の後端）において窓孔２２と連通され、それにより、窓孔２２後端が後方に切り欠かれ後方に開口されている。前記開口部２３を通して、操作体６が取り付けられた状態の筆記体５を、軸筒２内に挿入可能且つ軸筒２内から取り出し可能に構成される。 A plurality of (specifically, two) elongated window holes 22 extending in the front-rear direction are provided in the radial direction in the rear side wall of the rear shaft 2b. The two window holes 22 are formed at symmetrical positions with respect to the axis. In addition, an opening 23 that penetrates in the axial direction and opens outward in the radial direction is formed at the rear end of the rear shaft 2b. The opening 23 communicates with the window hole 22 at the rear end of the rear shaft 2b (that is, the rear end of the shaft cylinder 2), whereby the rear end of the window hole 22 is notched rearward and opened rearward. The writing body 5 with the operation body 6 attached thereto can be inserted into the shaft tube 2 and taken out from the shaft tube 2 through the opening 23.

また、前記後軸２ｂの窓孔２２の相互間の側壁内面には、前後方向に延びるリブよりなる係止壁部（図示せず）が形成され、前記係止壁部に、ペン先５１が突出した際の筆記体５の操作体６の後端が係止される。また、前記後軸２ｂの窓孔２２の相互間の側壁外面には、クリップ２５が設けられる。 Further, a locking wall portion (not shown) made of a rib extending in the front-rear direction is formed on the inner surface of the side wall between the window holes 22 of the rear shaft 2b, and a pen tip 51 is formed on the locking wall portion. The rear end of the operating body 6 of the writing body 5 when protruding is locked. Further, a clip 25 is provided on the outer surface of the side wall between the window holes 22 of the rear shaft 2b.

（蓋部）
前記後軸２ｂの後端部には、前記開口部２３を開閉自在にする蓋部３が回動自在に設けられる。前記蓋部３の一端部は、クリップ２５基部に、ヒンジ部３１により回動自在に接続される。前記蓋部３は、略前後方向に回動自在となる。前記蓋部３の前面には、当接壁部３２が形成される。前記当接壁部３２に、没入状態の筆記体５の後端に連結された各々の操作体６の後端が、当接される。 (Cover)
At the rear end portion of the rear shaft 2b, a lid portion 3 that freely opens and closes the opening portion 23 is rotatably provided. One end of the lid 3 is pivotally connected to the base of the clip 25 by a hinge 31. The lid 3 is rotatable in a substantially front-rear direction. A contact wall portion 32 is formed on the front surface of the lid portion 3. The rear end of each operation body 6 connected to the rear end of the immersive writing body 5 is brought into contact with the contact wall portion 32.

前記蓋部３の他端部の前面には、凹部または孔部よりなる係合部３３が設けられる。後軸２ｂの後端には、前記係合部３３と係合可能な突部よりなる被係合部２４が設けられる。前記係合部３３の内面には、内向突起が形成され、一方、前記被係合部２４の外面には、前記内向突起と乗り越え係止可能な外向突起が形成される。 On the front surface of the other end portion of the lid portion 3, an engaging portion 33 formed of a concave portion or a hole portion is provided. At the rear end of the rear shaft 2b, an engaged portion 24 including a protrusion that can engage with the engaging portion 33 is provided. An inward projection is formed on the inner surface of the engaging portion 33, while an outward projection that can get over and engage with the inward projection is formed on the outer surface of the engaged portion 24.

（筆記体）
前記各々の筆記体５は、ボールペンレフィルであり、前端にボールが回転可能に抱持されたボールペンチップ（即ちペン先５１）と、該ボールペンチップを前端に備え且つ後端が開口されたインキ収容管５２とからなる。前記インキ収容管５２の内部には、剪断減粘性を有する水性ゲルインキ、低粘度の水性インキ、低粘度の油性インキ、または高粘度の油性インキからなるインキが収容される。前記インキが、剪断減粘性を有する水性ゲルインキ、低粘度の水性インキ、または低粘度の油性インキの場合、インキ収容管５２内のインキの後端には、インキの消費に伴い前進する高粘度流体からなる追従体が充填される。 (Cursive)
Each of the cursive bodies 5 is a ballpoint pen refill, and includes a ballpoint pen tip (that is, a pen tip 51) in which a ball is rotatably held at the front end, and an ink container having the ballpoint pen tip at the front end and having an open rear end. A tube 52. Inside the ink storage tube 52, an ink composed of a water-based gel ink having shear thinning viscosity, a low-viscosity water-based ink, a low-viscosity oil-based ink, or a high-viscosity oil-based ink is stored. When the ink is a water-based gel ink having shear thinning viscosity, a low-viscosity water-based ink, or a low-viscosity oil-based ink, a high-viscosity fluid that moves forward as the ink is consumed at the rear end of the ink in the ink containing tube 52 A follower consisting of is filled.

また、前記水性ゲルインキ、低粘度の水性インキ、低粘度の油性インキをインキ収容管５２内に収容する場合、その前端に取り付けられる前記ボールペンチップは、前端に回転可能に抱持されたボールを弾発体等により前方に付勢し、前端縁部の内面にボールを密接させる構成が採用される。また、ボールペンチップは、インキ収容管５２の前端開口部に圧入等により直接、取り付けてもよいが、本実施の形態ではペン先ホルダーを介してインキ収容管５２の前端開口部に固着される。 Further, when the water-based gel ink, the low-viscosity water-based ink, and the low-viscosity oil-based ink are stored in the ink storage tube 52, the ball-point pen tip attached to the front end of the ball-point pen tip elastically holds the ball held at the front end. A configuration is employed in which the ball is urged forward by a foaming body and the ball is brought into close contact with the inner surface of the front edge. Further, the ballpoint pen tip may be directly attached to the front end opening of the ink containing tube 52 by press fitting or the like, but in this embodiment, it is fixed to the front end opening of the ink containing tube 52 via the pen tip holder.

（操作体）
前記各々の筆記体５の後端（即ちインキ収容管５２の後端開口部）には、操作体６が取り付けられる。前記各々の操作体６は、後端部に形成され且つ軸筒２の窓孔２２から外部に突出する操作部６１と、該操作部６１の反対側に設けられる後側突出部６３と、該操作部６１の反対側の後側突出部６３の前方に設けられる前側突出部６２と、前端部に形成され且つインキ収容管５２の後端開口部に嵌入される嵌入部６４と、該嵌入部６４の後方に形成される鍔部６５とを備える。また、前記鍔部６５の前面には、弾発体４の後端が係止される。また、前記操作体６の両方の側面には抜け止め突起６６が形成される。前記抜け止め突起６６は窓孔２２の両方の側壁内面に係合可能である。 (Operation body)
An operation body 6 is attached to the rear end of each of the writing bodies 5 (that is, the rear end opening of the ink containing tube 52). Each of the operating bodies 6 includes an operating portion 61 formed at the rear end portion and protruding to the outside from the window hole 22 of the shaft tube 2, a rear protruding portion 63 provided on the opposite side of the operating portion 61, A front projecting portion 62 provided in front of the rear projecting portion 63 on the opposite side of the operation portion 61; a fitting portion 64 formed at the front end portion and fitted into the rear end opening of the ink containing tube 52; and the fitting portion. 64 and a flange 65 formed at the rear of 64. In addition, the rear end of the projectile 4 is locked to the front surface of the flange portion 65. Further, a retaining protrusion 66 is formed on both side surfaces of the operating body 6. The retaining protrusion 66 can be engaged with the inner surfaces of both side walls of the window hole 22.

筆記体５のペン先５１が没入状態のとき、その筆記体５に取り付けられた操作体６の後端部は、蓋部３の前面に形成された当接壁部３２に当接される。一方、筆記体５のペン先５１が突出状態のとき、その筆記体５に取り付けられた操作体６の後端部は、軸筒２の内壁に形成された係止壁部に係止される。 When the pen point 51 of the writing body 5 is in an immersive state, the rear end portion of the operation body 6 attached to the writing body 5 is brought into contact with the contact wall portion 32 formed on the front surface of the lid portion 3. On the other hand, when the pen point 51 of the writing body 5 is in the protruding state, the rear end portion of the operation body 6 attached to the writing body 5 is locked to a locking wall portion formed on the inner wall of the shaft tube 2. .

ペン先没入状態にある筆記体５の後端に連結された操作体６の前側突出部６２は、その操作体６の操作部６１を前方にスライド操作した際、先にペン先突出状態にある他の筆記体５の後端に連結された操作体６の後側突出部６３と当接され、他の筆記体５のペン先突出状態が解除される。 The front projecting portion 62 of the operating body 6 connected to the rear end of the writing body 5 in the pen tip immersing state is in a pen tip protruding state when the operating portion 61 of the operating body 6 is slid forward. The pendant protruding state of the other writing object 5 is released by coming into contact with the rear protrusion 63 of the operating body 6 connected to the rear end of the other writing object 5.

前記各々の操作体６は、連結される筆記体５の内部（即ちインキ収容管５２内部）に収容されたインキの色と略同じ色に着色される。具体的には、前記操作体６の各々は、連結される筆記体５のインキ色と略同じ色に着色された合成樹脂の成形体からなる。 Each of the operation bodies 6 is colored in substantially the same color as the color of the ink stored in the connected writing body 5 (that is, in the ink storage tube 52). Specifically, each of the operation bodies 6 is formed of a synthetic resin molded body colored in substantially the same color as the ink color of the connected writing body 5.

（操作部）
本実施の形態では、ペン先５１前端のボールの直径の異なる３種類の筆記体５（具体的には、ペン先５１前端のボールの直径が０．５ｍｍ、０．４ｍｍ、０．３ｍｍの３種類の筆記体５）が用意され、軸筒２内に好みの２本の筆記体５が選択して収容される。 (Operation section)
In the present embodiment, three types of writing bodies 5 having different diameters of the ball at the front end of the nib 51 (specifically, the diameters of the balls at the front end of the nib 51 are 3 mm, 0.4 mm, and 0.3 mm). Various types of writing bodies 5) are prepared, and two favorite writing bodies 5 are selected and accommodated in the shaft cylinder 2.

前記各々の操作体６の操作部６１の頂部の厚みＴ１，Ｔ２，Ｔ３は、ボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記操作部６１の頂部の厚みが大きく形成される。 The top thicknesses T1, T2, and T3 of the operation portions 61 of the respective operation bodies 6 differ depending on the diameter of the ball, and the thickness of the top portion of the operation portion 61 increases as the ball diameter increases. The

具体的には、図３及び図４に示すように、ペン先５１前端のボールの直径が０．５ｍｍの筆記体５の場合、操作体６の操作部６１の頂部の厚みはＴ１に設定され、ペン先５１前端のボールの直径が０．４ｍｍの筆記体５の場合、操作体６の操作部６１の頂部の厚みはＴ２に設定され、ペン先５１前端のボールの直径が０．３ｍｍの筆記体５の場合、操作体６の操作部６１の頂部の厚みはＴ３に設定される。前記厚みＴ１は厚みＴ２より大きく、前記厚みＴ２は厚みＴ３より大きい。即ち、Ｔ１＞Ｔ２＞Ｔ３の関係を有する。 Specifically, as shown in FIGS. 3 and 4, in the case of the writing body 5 in which the diameter of the ball at the front end of the pen tip 51 is 0.5 mm, the thickness of the top portion of the operation portion 61 of the operation body 6 is set to T1. In the case of the cursive body 5 having a diameter of the ball at the front end of the nib 51 of 0.4 mm, the thickness of the top of the operation unit 61 of the operation body 6 is set to T2, and the diameter of the ball at the front end of the nib 51 is 0.3 mm. In the case of the cursive body 5, the thickness of the top of the operation unit 61 of the operation body 6 is set to T3. The thickness T1 is greater than the thickness T2, and the thickness T2 is greater than the thickness T3. That is, there is a relationship of T1> T2> T3.

（本実施の形態の作用）
本実施の形態の多芯筆記具１及び多芯筆記具用筆記体５は、操作部６１の形状を視認することにより、ペン先５１前端のボールの大小を遠くからでも確実に識別でき、しかも、ペン先５１前端のボールの大小を、操作体６を正面から見なくても確実に識別できる。 (Operation of this embodiment)
The multi-core writing instrument 1 and the multi-core writing instrument 5 of the present embodiment can identify the size of the ball at the front end of the pen tip 51 even from a distance by visually recognizing the shape of the operation unit 61, and also the pen The size of the ball at the front end of the tip 51 can be reliably identified without looking at the operating body 6 from the front.

＜第２の実施の形態＞
図５及び図６に本考案の第２の実施の形態を示す。
第２の実施の形態は、第１の実施の形態と異なる点が、操作部６１の形状のみであり、それ以外の構成及び作用効果は第１の実施の形態と共通であるため、説明を省略する。 <Second Embodiment>
5 and 6 show a second embodiment of the present invention.
The second embodiment is different from the first embodiment only in the shape of the operation unit 61, and other configurations and operational effects are the same as those in the first embodiment. Omitted.

前記各々の操作部６１の軸方向の長さＬ１，Ｌ２，Ｌ３は、ボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記操作部６１の軸方向の長さが大きく形成される。具体的には、図６に示すように、ペン先５１前端のボールの直径が０．５ｍｍの筆記体５の場合、操作体６の操作部６１の軸方向の長さはＬ１に設定され、ペン先５１前端のボールの直径が０．４ｍｍの筆記体５の場合、操作体６の操作部６１の軸方向の長さはＬ２に設定され、ペン先５１前端のボールの直径が０．３ｍｍの筆記体５の場合、操作体６の操作部６１の軸方向の長さはＬ３に設定される。前記軸方向の長さＬ１は軸方向の長さＬ２より大きく、前記方向の長さＬ２は軸方向の長さＬ３より大きい。即ち、Ｌ１＞Ｌ２＞Ｌ３の関係を有する。 The lengths L1, L2, and L3 in the axial direction of the respective operation portions 61 differ depending on the diameter of the ball, and the length in the axial direction of the operation portion 61 increases as the diameter of the ball increases. The Specifically, as shown in FIG. 6, in the case of the writing body 5 in which the diameter of the ball at the front end of the pen tip 51 is 0.5 mm, the axial length of the operation unit 61 of the operation body 6 is set to L1, In the case of the writing body 5 having a ball diameter of 0.4 mm at the front end of the nib 51, the axial length of the operation unit 61 of the operation body 6 is set to L2, and the diameter of the ball at the front end of the nib 51 is 0.3 mm. In the case of the cursive body 5, the length in the axial direction of the operation unit 61 of the operation body 6 is set to L3. The axial length L1 is greater than the axial length L2, and the axial length L2 is greater than the axial length L3. That is, there is a relationship of L1> L2> L3.

図５において、軸筒２内には、ペン先５１前端のボールの直径が０．５ｍｍの筆記体５と、ペン先５１前端のボールの直径が０．４ｍｍの筆記体５とが収容されている。 In FIG. 5, a writing body 5 in which the diameter of the ball at the front end of the nib 51 is 0.5 mm and a writing body 5 in which the diameter of the ball at the front end of the nib 51 is 0.4 mm are accommodated in the shaft cylinder 2. Yes.

（本実施の形態の作用）
本実施の形態の多芯筆記具１及び多芯筆記具用筆記体５は、操作部６１の形状を視認することにより、ペン先５１前端のボールの大小を遠くからでも確実に識別でき、しかも、ペン先５１前端のボールの大小を、操作体６を正面から見なくても確実に識別できる。 (Operation of this embodiment)
The multi-core writing instrument 1 and the multi-core writing instrument 5 of the present embodiment can identify the size of the ball at the front end of the pen tip 51 even from a distance by visually recognizing the shape of the operation unit 61, and also the pen The size of the ball at the front end of the tip 51 can be reliably identified without looking at the operating body 6 from the front.

＜第３の実施の形態＞
図７及び図８に本考案の第２の実施の形態を示す。
第３の実施の形態は、第１の実施の形態と異なる点が、操作部６１の形状のみであり、それ以外の構成及び作用効果は第１の実施の形態と共通であるため、説明を省略する。 <Third Embodiment>
7 and 8 show a second embodiment of the present invention.
The third embodiment is different from the first embodiment only in the shape of the operation unit 61, and other configurations and operational effects are the same as those in the first embodiment. Omitted.

前記各々の操作部６１の頂部に突起を設け、前記突起の個数が、ボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記突起の個数が多く形成される。 Protrusions are provided on the tops of the respective operation portions 61, and the number of the projections varies according to the diameter of the ball, and the number of the projections increases as the diameter of the ball increases.

具体的には、図８に示すように、ペン先５１前端のボールの直径が０．５ｍｍの筆記体５の場合、操作体６の操作部６１の突起の個数は５個に設定され、ペン先５１前端のボールの直径が０．４ｍｍの筆記体５の場合、操作体６の操作部６１の突起の個数は４個に設定され、ペン先５１前端のボールの直径が０．３ｍｍの筆記体５の場合、操作体６の操作部６１の突起の個数は３個に設定される。 Specifically, as shown in FIG. 8, in the case of the writing body 5 in which the diameter of the ball at the front end of the pen tip 51 is 0.5 mm, the number of protrusions of the operation unit 61 of the operation body 6 is set to 5 and the pen In the case of the writing body 5 having a diameter of the ball at the front end of the tip 51 of 0.4 mm, the number of protrusions of the operation unit 61 of the operation body 6 is set to four, and a writing having a diameter of the ball at the front end of the pen tip 51 of 0.3 mm. In the case of the body 5, the number of protrusions of the operation unit 61 of the operation body 6 is set to three.

図７において、軸筒２内には、ペン先５１前端のボールの直径が０．５ｍｍの筆記体５と、ペン先５１前端のボールの直径が０．４ｍｍの筆記体５とが収容されている。 In FIG. 7, a writing body 5 in which the diameter of the ball at the front end of the nib 51 is 0.5 mm and a writing body 5 in which the diameter of the ball at the front end of the nib 51 is 0.4 mm are accommodated in the shaft cylinder 2. Yes.

（本実施の形態の作用）
本実施の形態の多芯筆記具１及び多芯筆記具用筆記体５は、操作部６１の形状を視認することにより、ペン先５１前端のボールの大小を遠くからでも確実に識別でき、しかも、ペン先５１前端のボールの大小を、操作体６を正面から見なくても確実に識別できる。 (Operation of this embodiment)
The multi-core writing instrument 1 and the multi-core writing instrument 5 of the present embodiment can identify the size of the ball at the front end of the pen tip 51 even from a distance by visually recognizing the shape of the operation unit 61, and also the pen The size of the ball at the front end of the tip 51 can be reliably identified without looking at the operating body 6 from the front.

本考案の第１の実施の形態の縦断面図である。It is a longitudinal section of a 1st embodiment of the present invention. 図１の開口部の開口状態を示す正面図である。It is a front view which shows the opening state of the opening part of FIG. 図１の筆記体の側面図である。It is a side view of the cursive body of FIG. 図３のＡ−Ａ線断面図であり、（１）はボールの直径が０．５ｍｍのペン先を備えた筆記体の操作部、（２）はボールの直径が０．４ｍｍのペン先を備えた筆記体の操作部、（３）はボールの直径が０．３ｍｍのペン先を備えた筆記体の操作部である。FIG. 4 is a cross-sectional view taken along line AA in FIG. 3, where (1) is an operation unit of a cursive body including a pen tip having a ball diameter of 0.5 mm, and (2) is a pen tip having a ball diameter of 0.4 mm. An operation unit for the cursive body provided, (3) is an operation unit for the cursive body provided with a pen tip having a ball diameter of 0.3 mm. 本考案の第２の実施の形態の縦断面図である。It is a longitudinal cross-sectional view of the 2nd Embodiment of this invention. 図５の筆記体の側面図であり、（１）はボールの直径が０．５ｍｍのペン先を備えた筆記体、（２）はボールの直径が０．４ｍｍのペン先を備えた筆記体、（３）はボールの直径が０．３ｍｍのペン先を備えた筆記体である。6 is a side view of the cursive body of FIG. 5, where (1) is a cursive body with a pen tip having a ball diameter of 0.5 mm, and (2) is a cursive body with a pen tip having a ball diameter of 0.4 mm. , (3) is a writing body provided with a pen tip having a ball diameter of 0.3 mm. 本考案の第３の実施の形態の縦断面図である。It is a longitudinal cross-sectional view of the 3rd Embodiment of this invention. 図７の筆記体の側面図であり、（１）はボールの直径が０．５ｍｍのペン先を備えた筆記体、（２）はボールの直径が０．４ｍｍのペン先を備えた筆記体、（３）はボールの直径が０．３ｍｍのペン先を備えた筆記体である。FIG. 8 is a side view of the cursive body of FIG. 7, (1) is a cursive body with a pen tip having a ball diameter of 0.5 mm, and (2) is a cursive body with a pen tip having a ball diameter of 0.4 mm. , (3) is a writing body provided with a pen tip having a ball diameter of 0.3 mm.

１ 多芯筆記具
２ 軸筒
２１ 前端孔
２２ 窓孔
２３ 開口部
２４ 被係合部
２５ クリップ
２ａ 前軸
２ｂ 後軸
３ 蓋部
３１ ヒンジ部
３２ 当接壁部
３３ 係合部
４ 弾発体
５ 筆記体
５１ ペン先
５２ インキ収容管
６ 操作体
６１ 操作部
６２ 前側突出部
６３ 後側突出部
６４ 嵌入部
６５ 鍔部
６６ 抜け止め突起 DESCRIPTION OF SYMBOLS 1 Multi-core writing instrument 2 Shaft cylinder 21 Front end hole 22 Window hole 23 Opening part 24 Engagement part 25 Clip 2a Front axis 2b Rear axis 3 Lid part 31 Hinge part 32 Contacting wall part 33 Engagement part 4 Elastic body 5 Writing Body 51 Nib 52 Ink receiving tube 6 Operation body 61 Operation part 62 Front side protrusion part 63 Rear side protrusion part 64 Insertion part 65 Gutter part 66 Retaining protrusion

Claims (8)

軸筒内に複数の筆記体を前後方向に移動可能に収容し、前記各々の筆記体を弾発体により後方に付勢し、前記各々の筆記体の後端に操作体を取り付け、前記軸筒の側壁に軸方向に延びる複数の窓孔を径方向に貫設し、前記各々の窓孔から径方向外方に前記各々の操作体の操作部を突出させ、一つの操作部を窓孔に沿って前方にスライドさせることにより、その一つの操作体が取り付けられた筆記体のペン先を軸筒の前端孔から突出させるとともに、先に突出状態にあった他の筆記体のペン先を軸筒内に没入させてなり、前記各々の筆記体のペン先が、前端にボールが回転可能に抱持されたボールペンチップからなる多芯筆記具であって、
前記各々の筆記体のペン先前端のボールの直径が異なり、前記各々の筆記体の後端の操作体の操作部の形状が、前記ボールの直径に対応して異なることを特徴とする多芯筆記具。 A plurality of writing bodies are accommodated in a shaft cylinder so as to be movable in the front-rear direction, each of the writing bodies is urged rearward by a projectile, and an operating body is attached to a rear end of each of the writing bodies, A plurality of window holes extending in the axial direction are provided in the side wall of the cylinder in the radial direction, the operation parts of the respective operation bodies are protruded radially outward from the respective window holes, and one operation part is provided in the window hole. The tip of the cursive pen with the one operating body attached is projected from the front end hole of the shaft tube, and the pen nib of the other cursive body that has been in the projecting state is moved forward. A multi-core writing instrument comprising a ballpoint pen tip in which a pen point of each writing body is immersed in a shaft cylinder, and a ball is rotatably held at a front end,
The diameter of the ball at the front end of the pen tip of each cursive body is different, and the shape of the operation portion of the operation body at the rear end of the cursive body is different according to the diameter of the ball. Writing instrument. 前記操作部の頂部の厚みがボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記操作部の頂部の厚みを大きく形成した請求項１記載の多芯筆記具。 The multi-core writing instrument according to claim 1, wherein the thickness of the top of the operation portion differs corresponding to the diameter of the ball, and the thickness of the top of the operation portion is increased as the diameter of the ball increases. 前記操作部の軸方向の長さがボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記操作部の軸方向の長さを大きく形成した請求項１記載の多芯筆記具。 2. The multi-core writing instrument according to claim 1, wherein the length of the operation portion in the axial direction differs depending on the diameter of the ball, and the length of the operation portion in the axial direction is increased as the diameter of the ball increases. 前記操作部の頂部に突起を設け、前記突起の個数がボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記突起の個数を多く形成した請求項１記載の多芯筆記具。 The multi-core writing instrument according to claim 1, wherein a projection is provided on a top portion of the operation portion, the number of the projections is different depending on a diameter of the ball, and the number of the projections is increased as the diameter of the ball is increased. 使用時に軸筒内に複数本が収容され、各々の後端に取り付けた操作体の操作部を軸筒の側壁の窓孔より外部に突出させ、前記操作部を前方にスライド操作することにより軸筒の前端からペン先を出没させる多芯筆記具用筆記体であって、
軸筒内に収容される前の状態において、前端にボールが回転可能に抱持されたペン先と、該ペン先が前端に固着され且つ内部にインキが収容されたインキ収容管と、該インキ収容管の後端に取り付けられ且つインキ収容管内のインキの色に着色された操作体とを備え、前記ペン先前端のボールの直径が異なる複数種の筆記体からなり、前記各々の操作体の操作部の形状が、前記ボールの直径に対応して異なることを特徴とする多芯筆記具用筆記体。 When used, a plurality of shafts are accommodated in the shaft cylinder, and the operation parts of the operation bodies attached to the rear ends of the operation cylinders are projected outside through the window holes in the side walls of the shaft cylinders, and the operation parts are slid forward to make the shaft A multi-core writing instrument that causes the nib to appear and retract from the front end of the cylinder,
A pen tip in which a ball is rotatably held at the front end in a state before being stored in the shaft tube, an ink storage tube in which the pen tip is fixed to the front end, and ink is stored inside, and the ink An operation body attached to the rear end of the storage tube and colored in the color of the ink in the ink storage tube, comprising a plurality of types of writing bodies having different diameters of the balls at the front end of the pen tip, A writing instrument for a multi-core writing instrument, characterized in that the shape of the operation part differs according to the diameter of the ball. 前記操作部の頂部の厚みＴがボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記操作部の頂部の厚みＴを大きく形成した請求項５記載の多芯筆記具用筆記体。 The multi-core writing instrument according to claim 5, wherein a thickness T of the top portion of the operation portion varies depending on a diameter of the ball, and a thickness T of the top portion of the operation portion is increased as the diameter of the ball increases. 前記操作部の軸方向の長さＬがボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記操作部の軸方向の長さＬを大きく形成した請求項５記載の多芯筆記具用筆記体。 6. The multi-core writing instrument according to claim 5, wherein the length L in the axial direction of the operation portion differs depending on the diameter of the ball, and the length L in the axial direction of the operation portion is increased as the diameter of the ball increases. Cursive for writing. 前記操作部の頂部に突起を設け、前記突起の個数がボールの直径に対応して異なり、ボールの直径が大きくなるに従い、前記突起の個数を多く形成した請求項５記載の多芯筆記具用筆記体。 6. The writing for a multi-core writing instrument according to claim 5, wherein a protrusion is provided on the top of the operation portion, the number of the protrusions varies according to the diameter of the ball, and the number of the protrusions increases as the diameter of the ball increases. body.
JP2011006179U 2011-10-21 2011-10-21 Multi-core writing instrument and cursive body used therefor Expired - Lifetime JP3172744U (en)

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