前記文献１の多芯筆記具は、摺動体のスライド操作を繰り返すと、摺動体と隆起部との装着状態が緩み、隆起部が摺動体から脱落するおそれがある。もし、前記隆起部が摺動体から脱落すると、ペン先の出没作動ができなくなり、多芯筆記具としての本来の機能が失われる。
When the multi-core writing instrument of Document 1 repeats the sliding operation of the sliding body, the mounting state between the sliding body and the raised portion is loosened, and the raised portion may fall off the sliding body. If the raised portion falls off the sliding body, the pen tip cannot be moved in and out, and the original function as a multi-core writing instrument is lost.
本発明は、前記従来の問題点を解決するものであって、操作体のスライド操作を繰り返しても、識別表示体が操作体から脱落することを抑止できる多芯筆記具を提供しようとするものである。尚、本発明において、「前」とはペン先側を指し、「後」とはその反対側を指す。
The present invention is intended to solve the above-mentioned conventional problems, and is intended to provide a multi-core writing instrument that can prevent the identification display body from falling off the operating body even when the operating body is repeatedly slid. is there. In the present invention, “front” refers to the pen tip side, and “rear” refers to the opposite side.
＜１＞本願の第１の発明は、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の後端に操作体６を着脱自在に連結し、前記各々の操作体６を弾発体８により後方に付勢し、前記軸筒２の側壁に前後方向に延びる複数の窓孔４１を径方向に貫設し、前記各々の窓孔４１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、一つの操作体６の操作部６１を窓孔４１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に連結された筆記体５のペン先を軸筒２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５のペン先を軸筒２内に没入させてなり、前記軸筒２が、前記前端孔を備えた前軸３と、該前軸３の後端に着脱自在に連結される後軸４とからなり、前記後軸４の側壁に前記窓孔４１を形成し、前記後軸４の内部に前記弾発体８を収容した多芯筆記具であって、前記各々の筆記体５を識別するための識別表示体７を、前記各々の窓孔４１近傍の軸筒２側壁外面に着脱自在に取り付けたことを要件とする。
<1> In the first invention 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 an operating body 6 is detachably connected to a rear end of each of the writing bodies 5. The operation bodies 6 are urged rearward by the elastic bodies 8, and a plurality of window holes 41 extending in the front-rear direction are provided in the side wall of the shaft cylinder 2 in the radial direction. The operation parts 61 of the respective operation bodies 6 are projected outward in the radial direction, and the operation parts 61 of one operation body 6 are slid forward along the window hole 41 to be connected to the one operation body 6. The pen tip of the written body 5 is projected from the front end hole of the shaft cylinder 2 and the pen tip of the other writing body 5 that has been in the projecting state is immersed in the shaft cylinder 2. Comprises a front shaft 3 provided with the front end hole and a rear shaft 4 detachably connected to the rear end of the front shaft 3, and the side wall of the rear shaft 4. A multi-core writing instrument that forms the window hole 41 and accommodates the elastic body 8 inside the rear shaft 4, and includes an identification display body 7 for identifying each of the writing bodies 5. It is a requirement that it is detachably attached to the outer surface of the side wall of the shaft cylinder 2 in the vicinity of the window hole 41.
前記第１の発明の多芯筆記具１は、各々の筆記体５を識別するための識別表示体７を、前記各々の窓孔４１近傍の軸筒２側壁外面に着脱自在に取り付けたことにより、操作体６を操作する前に筆記体５に対応した操作体６近傍の識別表示体７を容易に視認できる。前記第１の発明の多芯筆記具１は、前記各々の識別表示体７を、前記各々の窓孔４１近傍の軸筒２側壁外面に着脱自在に取り付けたことにより、操作体６のスライド操作時、識別表示体７に指等で触れることを回避し、識別表示体７が脱落することを抑止でき、しかも、仮に識別表示体７が脱落しても、操作部６１は操作体６に存在するため、ペン先の出没作動が不能となることがない。前記第１の発明の多芯筆記具１は、操作体６と筆記体５とを着脱自在に連結したことにより、ユーザーが操作体６を軸筒２内に収容した状態で筆記体５のみを交換することができる。
In the multi-core writing instrument 1 of the first invention, the identification display body 7 for identifying each writing body 5 is detachably attached to the outer surface of the side wall of the shaft cylinder 2 in the vicinity of each window hole 41. Before operating the operation body 6, the identification display body 7 in the vicinity of the operation body 6 corresponding to the writing body 5 can be easily visually recognized. In the multi-core writing instrument 1 according to the first aspect of the present invention, each of the identification display bodies 7 is detachably attached to the outer surface of the side wall of the shaft cylinder 2 in the vicinity of each of the window holes 41, so that the operation body 6 can be operated. Further, it is possible to prevent the identification display body 7 from being touched with a finger or the like, and to prevent the identification display body 7 from falling off. Therefore, the pen tip operation does not become impossible. In the multi-core writing instrument 1 according to the first aspect of the invention, the operating body 6 and the writing body 5 are detachably connected, so that the user replaces only the writing body 5 in a state where the operating body 6 is accommodated in the shaft tube 2. can do.
前記第１の発明の多芯筆記具１は、各々の筆記体５を識別するための識別表示体７を、前記各々の窓孔４１近傍の軸筒２側壁外面に着脱自在に取り付けたことにより、ユーザーが、筆記体５を操作体６に取り付け且つ識別表示体７を軸筒２側壁外面に取り付けることによって、はじめて筆記体５に対応した識別表示機能を付与することができ、その結果、ユーザーが筆記体５に対応した識別表示体７を適正に視認しながらペン先の出没操作（操作体６のスライド操作）をすることができる。
In the multi-core writing instrument 1 of the first invention, the identification display body 7 for identifying each writing body 5 is detachably attached to the outer surface of the side wall of the shaft cylinder 2 in the vicinity of each window hole 41. Only when the user attaches the cursive body 5 to the operating body 6 and attaches the identification display body 7 to the outer surface of the side wall of the shaft cylinder 2, an identification display function corresponding to the cursive body 5 can be provided. The pen tip operation (sliding operation of the operation body 6) can be performed while appropriately viewing the identification display body 7 corresponding to the writing body 5.
尚、本発明で、前記識別表示体７は、例えば、軸筒２側壁外面に着脱自在に取り付け可能な樹脂成形体または貼着ラベル等が挙げられる。前記識別表示体７の形状は、棒状、板状、柱状、球状、環状、これらの組み合わせ等、適宜採用される。前記樹脂成形体によりなる識別表示体７は、操作体６に、圧入、螺合、係合、嵌合、貼着等の手段により着脱自在に取り付けられる。
In the present invention, examples of the identification display body 7 include a resin molded body or a sticking label that can be detachably attached to the outer surface of the side wall of the shaft tube 2. The shape of the identification display body 7 is suitably adopted such as a rod shape, a plate shape, a columnar shape, a spherical shape, an annular shape, or a combination thereof. The identification display body 7 made of the resin molded body is detachably attached to the operation body 6 by means such as press fitting, screwing, engagement, fitting, and sticking.
尚、本発明で、前記識別表示体７は、例えば、筆記体５のインキ色、筆記体５のペン先サイズ、筆記体５のペン先の種類、筆記体５のペン先の筆跡幅等を表示する部材である。前記識別表示体７によって、筆記体５のインキ色、筆記体５のペン先サイズ、筆記体５のペン先の種類、筆記体５のペン先の筆跡幅等を視認することができる。前記識別表示体７が筆記体５のインキ色を表示する場合、識別表示体７の全体または一部がインキ色に着色される。前記識別表示体７が、筆記体５のペン先サイズ、筆記体５のペン先の種類、及び筆記体５のペン先の筆跡幅を表示する場合、識別表示体７の外面には、それらを表示する文字、図形、記号等からなる表示が、凹設、凸設、刻設または印刷等により形成される。
In the present invention, the identification display body 7 indicates, for example, the ink color of the writing body 5, the pen tip size of the writing body 5, the type of the pen tip of the writing body 5, the handwriting width of the pen tip of the writing body 5, and the like. It is a member to be displayed. By the identification display body 7, the ink color of the writing body 5, the pen tip size of the writing body 5, the type of the pen tip of the writing body 5, the handwriting width of the pen tip of the writing body 5, and the like can be visually recognized. When the identification display body 7 displays the ink color of the writing body 5, the whole or a part of the identification display body 7 is colored with the ink color. When the identification display body 7 displays the pen tip size of the writing body 5, the type of the pen tip of the writing body 5, and the handwriting width of the pen tip of the writing body 5, these are displayed on the outer surface of the identification display body 7. A display made up of characters, figures, symbols, etc. to be displayed is formed by concave, convex, engraved or printed.
尚、前記識別表示体７は、軸筒２側壁外面に取り付ける前に、予め筆記体５と一体的にセットされることが好ましい。前記識別表示体７と筆記体５とが一体的にセットされる構成とは、例えば、筆記体５と識別表示体７とが連結される構成、または筆記体５と識別表示体７とが一つの収容体の内部に収容される構成等が挙げられる。
The identification display body 7 is preferably set in advance with the writing body 5 before being attached to the outer surface of the side wall of the barrel 2. The configuration in which the identification display body 7 and the writing body 5 are integrally set is, for example, a configuration in which the writing body 5 and the identification display body 7 are connected, or the writing body 5 and the identification display body 7 are one. The structure etc. which are accommodated in the inside of one container are mentioned.
尚、本発明で、前記識別表示体７は、例えば、操作体６に着脱自在に取り付け可能な樹脂成形体または貼着ラベル等が挙げられる。前記識別表示体７の形状は、棒状、板状、柱状、球状、環状、これらの組み合わせ等、適宜採用される。前記樹脂成形体によりなる識別表示体７は、操作体６に、圧入、螺合、係合、嵌合等の手段により取り付けられる。
In the present invention, examples of the identification display body 7 include a resin molded body or an adhesive label that can be detachably attached to the operation body 6. The shape of the identification display body 7 is suitably adopted such as a rod shape, a plate shape, a columnar shape, a spherical shape, an annular shape, or a combination thereof. The identification display body 7 made of the resin molded body is attached to the operation body 6 by means such as press-fitting, screwing, engagement, and fitting.
尚、本発明で、前記識別表示体７は、例えば、筆記体５のインキ色、筆記体５のペン先サイズ、筆記体５のペン先の種類、筆記体５のペン先の筆跡幅等を表示する部材である。前記識別表示体７によって、筆記体５のインキ色、筆記体５のペン先サイズ、筆記体５のペン先の種類、筆記体５のペン先の筆跡幅等を視認することができる。前記識別表示体７が筆記体５のインキ色を表示する場合、識別表示体７の全体または一部がインキ色に着色される。前記識別表示体７が、筆記体５のペン先サイズ、筆記体５のペン先の種類、及び筆記体５のペン先の筆跡幅を表示する場合、識別表示体７の外面には、それらを表示する文字、図形、記号等からなる表示が、凹設、凸設、刻設または印刷等により形成される。
In the present invention, the identification display body 7 indicates, for example, the ink color of the writing body 5, the pen tip size of the writing body 5, the type of the pen tip of the writing body 5, the handwriting width of the pen tip of the writing body 5, and the like. It is a member to be displayed. By the identification display body 7, the ink color of the writing body 5, the pen tip size of the writing body 5, the type of the pen tip of the writing body 5, the handwriting width of the pen tip of the writing body 5, and the like can be visually recognized. When the identification display body 7 displays the ink color of the writing body 5, the whole or a part of the identification display body 7 is colored with the ink color. When the identification display body 7 displays the pen tip size of the writing body 5, the type of the pen tip of the writing body 5, and the handwriting width of the pen tip of the writing body 5, these are displayed on the outer surface of the identification display body 7. A display made up of characters, figures, symbols, etc. to be displayed is formed by concave, convex, engraved or printed.
＜２＞本願の第２の発明は、前記第１の発明の多芯筆記具１において、前記識別表示体７がＵ字状に形成され、前記識別表示体７が各々の窓孔４１の周壁に着脱自在に挟持されることを要件とする。
<2> According to a second invention of the present application, in the multi-core writing instrument 1 of the first invention, the identification display body 7 is formed in a U-shape, and the identification display body 7 is formed on a peripheral wall of each window hole 41. It is a requirement to be detachable.
前記第２の発明の多芯筆記具１は、識別表示体７がＵ字状に形成され、前記識別表示体７が各々の窓孔４１の周壁に着脱自在に挟持されることにより、操作体６のスライド操作時、識別表示体７に指等で触れることを回避し、識別表示体７が脱落することを抑止できる。また、前記第２の発明の多芯筆記具１は、識別表示体７がＵ字状に形成され、前記識別表示体７が各々の窓孔４１の周壁に着脱自在に挟持されることにより、識別表示体７を外部より容易に視認でき、識別表示体７に対応する操作体６を容易に識別できる。
In the multi-core writing instrument 1 of the second invention, the identification display body 7 is formed in a U-shape, and the identification display body 7 is detachably sandwiched between the peripheral walls of the respective window holes 41, whereby the operating body 6 During the slide operation, it is possible to avoid touching the identification display body 7 with a finger or the like, and to prevent the identification display body 7 from falling off. Further, the multi-core writing instrument 1 according to the second aspect of the present invention has an identification display body 7 formed in a U-shape, and the identification display body 7 is detachably sandwiched between the peripheral walls of the respective window holes 41 so as to be identified. The display body 7 can be easily visually recognized from the outside, and the operation body 6 corresponding to the identification display body 7 can be easily identified.
＜３＞本願の第３の発明は、前記第１の発明の多芯筆記具１において、前記識別表示体７が環状に形成され、前記識別表示体７が各々の窓孔４１の周壁に、該窓孔４１を包囲するように着脱自在に取り付けられることを要件とする。
<3> According to a third invention of the present application, in the multi-core writing instrument 1 of the first invention, the identification display body 7 is formed in an annular shape, and the identification display body 7 is formed on the peripheral wall of each window hole 41. It is a requirement that it be detachably attached so as to surround the window hole 41.
前記第３の発明の多芯筆記具１は、識別表示体７が環状に形成され、前記識別表示体７が各々の窓孔４１の周壁に、該窓孔４１を包囲するように着脱自在に取り付けられることにより、操作体６のスライド操作時、識別表示体７に指等で触れることを回避し、識別表示体７が脱落することを抑止できる。また、前記第３の発明の多芯筆記具１は、識別表示体７が環状に形成され、前記識別表示体７が各々の窓孔４１の周壁に、該窓孔４１を包囲するように着脱自在に取り付けられることにより、識別表示体７を外部より容易に視認でき、識別表示体７に対応する操作体６を容易に識別できる。尚、前記第３の発明において、環状とは、略環状（例えば、一部に切り欠きを備えたＣ字、Ｕ字状、コ字状）も含む。
In the multi-core writing instrument 1 of the third invention, the identification display body 7 is formed in an annular shape, and the identification display body 7 is detachably attached to the peripheral wall of each window hole 41 so as to surround the window hole 41. By doing so, it is possible to avoid touching the identification display body 7 with a finger or the like during the slide operation of the operation body 6 and to prevent the identification display body 7 from falling off. Further, in the multi-core writing instrument 1 of the third invention, the identification display body 7 is formed in an annular shape, and the identification display body 7 is detachable so as to surround the window hole 41 on the peripheral wall of each window hole 41. By attaching to, the identification display body 7 can be easily visually recognized from the outside, and the operation body 6 corresponding to the identification display body 7 can be easily identified. In the third aspect of the invention, the term “annular” includes a substantially annular shape (for example, a C-shape, a U-shape, and a U-shape with a notch in a part).
本発明の多芯筆記具によれば、操作体のスライド操作を繰り返しても、識別表示体が操作体から脱落することを抑止できる。
According to the multi-core writing instrument of the present invention, it is possible to prevent the identification display body from falling off the operating body even when the operating body is repeatedly slid.
＜第１の実施の形態＞
図１乃至図４に本発明の第１の実施の形態を示す。
<First Embodiment>
1 to 4 show a first embodiment of the present invention.
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８（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。尚、本発明において、前記軸筒２内に移動可能に収容する筆記体５の本数は、２本以上であればよく、２本以外にも、３本、４本、５本、６本等であってもよい。
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 8 (specifically, a compression coil spring). In the present invention, the number of the writing bodies 5 that are movably accommodated in the shaft cylinder 2 may be two or more, and in addition to two, three, four, five, six, etc. It may be.
（軸筒）
前記軸筒２は、先細状の円筒体からなる前軸３と、該前軸３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４とからなる。前記前軸３の前端には、筆記体５のペン先が突出可能な前端孔が軸方向に貫設される。前記前軸３及び後軸４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 3 formed of a tapered cylindrical body, and a cylindrical rear shaft 4 attached to the rear end portion of the front shaft 3 by screwing or press-fitting. The front end of the front shaft 3 is provided with a front end hole through which the pen tip of the writing body 5 can protrude in the axial direction. The front shaft 3 and the rear shaft 4 are obtained by injection molding of a synthetic resin (for example, polycarbonate).
前記後軸４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４１が、径方向に貫設される。前記２本の窓孔４１は、互いに、軸線に対して対称の位置に形成される。
A plurality (specifically, two) elongated window holes 41 extending in the front-rear direction are provided in a radial direction in the rear side wall of the rear shaft 4. The two window holes 41 are formed at positions symmetrical with respect to the axis.
また、前記後軸４の窓孔４１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が形成され、前記係止壁部に、ペン先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。
In addition, a locking wall portion made of a rib extending in the front-rear direction is formed on the inner surface of the side wall between the window holes 41 of the rear shaft 4, and the writing body when the pen tip protrudes from the locking wall portion. The rear end of the operation body 6 is locked.
前記後軸４の窓孔４１の相互間の側壁外面には、クリップ４２が突設される。
A clip 42 protrudes from the side wall outer surface between the window holes 41 of the rear shaft 4.
前記軸筒２の各々の窓孔４１周壁外面の後端部には、取付凸部４３が形成される。前記取付凸部４３には識別表示体７が着脱自在に取り付けられる。
An attachment convex portion 43 is formed at the rear end portion of the outer peripheral surface of the window hole 41 of each shaft cylinder 2. The identification display body 7 is detachably attached to the attachment convex portion 43.
（識別表示体）
前記各々識別表示体７は、断面Ｕ字状を有する部材であり、合成樹脂の成形体により得られる。前記各々識別表示体７が、前記軸筒２の窓孔４１周壁外面の後端部の取付凸部４３に、着脱自在に前後方向に挟持される。前記識別表示体７は、筆記体５内に収容したインキの色を表示するため該インキの色と略同色に着色される。前記識別表示体７は、軸筒２内に収容した筆記体５に対応した操作体６の操作部６１が外部に突出する窓孔４１の周壁後端部に取り付けられ、外部より視認可能である。
(Identification indicator)
Each of the identification display bodies 7 is a member having a U-shaped cross section, and is obtained by a synthetic resin molded body. Each of the identification display bodies 7 is detachably held in the front-rear direction by a mounting convex portion 43 at the rear end portion of the outer peripheral wall of the window hole 41 of the shaft cylinder 2. The identification display body 7 is colored in substantially the same color as the ink color in order to display the color of the ink accommodated in the writing body 5. The identification display body 7 is attached to the rear end portion of the peripheral wall of the window hole 41 where the operation portion 61 of the operation body 6 corresponding to the writing body 5 accommodated in the shaft cylinder 2 protrudes to the outside, and is visible from the outside. .
（筆記体）
前記各々の筆記体５は、例えば、ボールペンレフィル、シャープペンシルレフィル、サインペンレフィル、マーキングペンレフィル等、公知のペン先を備えたレフィルが挙げられる。
(Cursive)
Examples of each of the writing bodies 5 include refills having a known pen tip such as a ballpoint pen refill, a mechanical pencil refill, a sign pen refill, and a marking pen refill.
（操作体）
前記各々の筆記体５の後端には、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４１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前側突出部６２と、該操作部６１の反対側の前側突出部６２の後方に設けられる後側突出部６３と、前端部に形成され且つ筆記体５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。前記鍔部６５の前面には、弾発体８の後端が係止される。
(Operation body)
An operation body 6 is attached to the rear end of each of the writing bodies 5. Each operating body 6 includes an operating portion 61 formed at the rear end and protruding outward from the window hole 41 of the shaft cylinder 2, a front protruding portion 62 provided on the opposite side of the operating portion 61, and the operating A rear projecting portion 63 provided behind the front projecting portion 62 on the opposite side of the portion 61, a fitting portion 64 formed at the front end portion and fitted into the rear end opening of the writing body 5, and the fitting portion 64 And a collar portion 65 formed at the rear. The rear end of the projectile 8 is locked to the front surface of the flange portion 65.
前記操作体６は、操作部６１、前側突出部６２、後側突出部６３、嵌入部６４、及び鍔部６５が、合成樹脂の成形体により一体に形成される。前記各々の操作体６は、無色透明の合成樹脂または、有色の合成樹脂により形成される。前記各々の操作体６は、有色の場合、識別表示体７の識別性を向上させるため、同一の色に統一される。
In the operation body 6, the operation portion 61, the front side protruding portion 62, the rear side protruding portion 63, the fitting portion 64, and the flange portion 65 are integrally formed of a synthetic resin molded body. Each of the operating bodies 6 is formed of a colorless and transparent synthetic resin or a colored synthetic resin. When the operation bodies 6 are colored, they are unified with the same color in order to improve the identification of the identification display body 7.
筆記体５のペン先が没入状態のとき、その筆記体５に取り付けられた操作体６の後端部は、軸筒２後端部内壁に衝止される。一方、筆記体５のペン先が突出状態のとき、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 tip 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 hit against the inner wall of the rear end portion of the shaft cylinder 2. On the other hand, when the pen tip of the writing body 5 is in a protruding state, the rear end portion of the operating 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 protruding portion 62 of the operating body 6 connected to the rear end of the writing body 5 in the pen tip immersing state is the other protruding state when the operating portion 61 of the operating body 6 is slid forward. The pendant projecting state of the other cursive object 5 is released by coming into contact with the rear projecting portion 63 of the operating body 6 connected to the rear end of the cursive object 5.
本実施の形態の多芯筆記具１は、各々の筆記体５を識別するための識別表示体７を、前記各々の窓孔４１近傍の軸筒２側壁外面に着脱自在に取り付けたことにより、操作体６を操作する前に筆記体５に対応した操作体６近傍の識別表示体７を容易に視認できる。また、本実施の形態の多芯筆記具１は、前記各々の識別表示体７を、前記各々の窓孔４１近傍の軸筒２側壁外面に着脱自在に取り付けたことにより、操作体６のスライド操作時、識別表示体７に指等で触れることを回避し、識別表示体７が脱落することを抑止でき、しかも、仮に識別表示体７が脱落しても、操作部６１は操作体６に存在するため、ペン先の出没作動が不能となることがない。本実施の形態の多芯筆記具１は、操作体６と筆記体５とを着脱自在に連結したことにより、ユーザーが操作体６を軸筒２内に収容した状態で筆記体５のみを交換することができる。
The multi-core writing instrument 1 according to the present embodiment is provided with an identification display body 7 for identifying each writing body 5 detachably attached to the outer surface of the side wall of the shaft cylinder 2 in the vicinity of each window hole 41. Before the body 6 is operated, the identification display body 7 in the vicinity of the operation body 6 corresponding to the writing body 5 can be easily visually recognized. Further, the multi-core writing instrument 1 according to the present embodiment is configured such that each of the identification display bodies 7 is detachably attached to the outer surface of the side wall of the shaft cylinder 2 in the vicinity of each of the window holes 41 so that the operation body 6 can be slid. At this time, it is possible to prevent the identification display body 7 from being touched with a finger or the like, and to prevent the identification display body 7 from falling off. Further, even if the identification display body 7 falls off, the operation unit 61 exists in the operation body 6. Therefore, the pen tip operation does not become impossible. In the multi-core writing instrument 1 of the present embodiment, the operating body 6 and the writing body 5 are detachably connected, so that the user replaces only the writing body 5 in a state where the operating body 6 is accommodated in the shaft tube 2. be able to.
本実施の形態の多芯筆記具１は、識別表示体７がＵ字状に形成され、前記識別表示体７が各々の窓孔４１の周壁に着脱自在に挟持されることにより、操作体６のスライド操作時、識別表示体７に指等で触れることを回避し、識別表示体７が脱落することを抑止できる。また、本実施の形態の多芯筆記具１は、識別表示体７がＵ字状に形成され、前記識別表示体７が各々の窓孔４１の周壁に着脱自在に挟持されることにより、識別表示体７を外部より容易に視認でき、識別表示体７に対応する操作体６を容易に識別できる。
In the multi-core writing instrument 1 according to the present embodiment, the identification display body 7 is formed in a U-shape, and the identification display body 7 is detachably sandwiched between the peripheral walls of the respective window holes 41, thereby During the slide operation, it is possible to avoid touching the identification display body 7 with a finger or the like, and to prevent the identification display body 7 from falling off. Further, the multi-core writing instrument 1 of the present embodiment has an identification display 7 formed in a U-shape, and the identification display 7 is detachably sandwiched between the peripheral walls of the respective window holes 41 so that the identification display The body 7 can be easily seen from the outside, and the operating body 6 corresponding to the identification display body 7 can be easily identified.
＜第２の実施の形態＞
図５乃至図８に本発明の第２の実施の形態を示す。
<Second Embodiment>
5 to 8 show a second embodiment of the present invention.
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８（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。尚、本発明において、前記軸筒２内に移動可能に収容する筆記体５の本数は、２本以上であればよく、２本以外にも、３本、４本、５本、６本等であってもよい。
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 8 (specifically, a compression coil spring). In the present invention, the number of the writing bodies 5 that are movably accommodated in the shaft cylinder 2 may be two or more, and in addition to two, three, four, five, six, etc. It may be.
（軸筒）
前記軸筒２は、先細状の円筒体からなる前軸３と、該前軸３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４とからなる。前記前軸３の前端には、筆記体５のペン先が突出可能な前端孔が軸方向に貫設される。前記前軸３及び後軸４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 3 formed of a tapered cylindrical body, and a cylindrical rear shaft 4 attached to the rear end portion of the front shaft 3 by screwing or press-fitting. The front end of the front shaft 3 is provided with a front end hole through which the pen tip of the writing body 5 can protrude in the axial direction. The front shaft 3 and the rear shaft 4 are obtained by injection molding of a synthetic resin (for example, polycarbonate).
前記後軸４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４１が、径方向に貫設される。前記２本の窓孔４１は、互いに、軸線に対して対称の位置に形成される。
A plurality (specifically, two) elongated window holes 41 extending in the front-rear direction are provided in a radial direction in the rear side wall of the rear shaft 4. The two window holes 41 are formed at positions symmetrical with respect to the axis.
また、前記後軸４の窓孔４１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が形成され、前記係止壁部に、ペン先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。
In addition, a locking wall portion made of a rib extending in the front-rear direction is formed on the inner surface of the side wall between the window holes 41 of the rear shaft 4, and the writing body when the pen tip protrudes from the locking wall portion. The rear end of the operation body 6 is locked.
前記後軸４の窓孔４１の相互間の側壁外面には、クリップ４２が突設される。
A clip 42 protrudes from the side wall outer surface between the window holes 41 of the rear shaft 4.
前記軸筒２の各々の窓孔４１周壁外面には、該窓孔４１を包囲するように取付凹部４４が形成される。前記取付凹部４４には識別表示体７が着脱自在に取り付けられる。
A mounting recess 44 is formed on the outer surface of the peripheral wall of each window hole 41 of the shaft cylinder 2 so as to surround the window hole 41. The identification display body 7 is detachably attached to the attachment recess 44.
（識別表示体）
前記識別表示体７が環状に形成され、合成樹脂の成形体により得られる。前記各々識別表示体７が、前記軸筒２の窓孔４１周壁外面の取付凹部４４に、着脱自在に嵌合される。前記識別表示体７は、筆記体５内に収容したインキの色を表示するため該インキの色と略同色に着色される。前記識別表示体７は、軸筒２内に収容した筆記体５に対応した操作体６の操作部６１が外部に突出する窓孔４１の周壁外面に取り付けられ、外部より視認可能である。
(Identification indicator)
The said identification display body 7 is formed in cyclic | annular form, and is obtained by the molded object of a synthetic resin. Each of the identification display bodies 7 is detachably fitted in a mounting recess 44 on the outer peripheral surface of the window hole 41 of the shaft cylinder 2. The identification display body 7 is colored in substantially the same color as the ink color in order to display the color of the ink accommodated in the writing body 5. The identification display body 7 is attached to the outer surface of the peripheral wall of the window hole 41 from which the operation portion 61 of the operation body 6 corresponding to the writing body 5 accommodated in the shaft cylinder 2 protrudes to the outside, and is visible from the outside.
（筆記体）
前記各々の筆記体５は、例えば、ボールペンレフィル、シャープペンシルレフィル、サインペンレフィル、マーキングペンレフィル等、公知のペン先を備えたレフィルが挙げられる。
(Cursive)
Examples of each of the writing bodies 5 include refills having a known pen tip such as a ballpoint pen refill, a mechanical pencil refill, a sign pen refill, and a marking pen refill.
（操作体）
前記各々の筆記体５の後端には、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４１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前側突出部６２と、該操作部６１の反対側の前側突出部６２の後方に設けられる後側突出部６３と、前端部に形成され且つ筆記体５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。前記鍔部６５の前面には、弾発体８の後端が係止される。
(Operation body)
An operation body 6 is attached to the rear end of each of the writing bodies 5. Each operating body 6 includes an operating portion 61 formed at the rear end and protruding outward from the window hole 41 of the shaft cylinder 2, a front protruding portion 62 provided on the opposite side of the operating portion 61, and the operating A rear projecting portion 63 provided behind the front projecting portion 62 on the opposite side of the portion 61, a fitting portion 64 formed at the front end portion and fitted into the rear end opening of the writing body 5, and the fitting portion 64 And a collar portion 65 formed at the rear. The rear end of the projectile 8 is locked to the front surface of the flange portion 65.
前記操作体６は、操作部６１、前側突出部６２、後側突出部６３、嵌入部６４、及び鍔部６５が、合成樹脂の成形体により一体に形成される。前記各々の操作体６は、無色透明の合成樹脂または、有色の合成樹脂により形成される。前記各々の操作体６は、有色の場合、識別表示体７の識別性を向上させるため、同一の色に統一される。
In the operation body 6, the operation portion 61, the front side protruding portion 62, the rear side protruding portion 63, the fitting portion 64, and the flange portion 65 are integrally formed of a synthetic resin molded body. Each of the operating bodies 6 is formed of a colorless and transparent synthetic resin or a colored synthetic resin. When the operation bodies 6 are colored, they are unified with the same color in order to improve the identification of the identification display body 7.
筆記体５のペン先が没入状態のとき、その筆記体５に取り付けられた操作体６の後端部は、軸筒２後端部内壁に衝止される。一方、筆記体５のペン先が突出状態のとき、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 tip 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 hit against the inner wall of the rear end portion of the shaft cylinder 2. On the other hand, when the pen tip of the writing body 5 is in a protruding state, the rear end portion of the operating 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 protruding portion 62 of the operating body 6 connected to the rear end of the writing body 5 in the pen tip immersing state is the other protruding state when the operating portion 61 of the operating body 6 is slid forward. The pendant projecting state of the other cursive object 5 is released by coming into contact with the rear projecting portion 63 of the operating body 6 connected to the rear end of the cursive object 5.
本実施の形態の多芯筆記具１は、各々の筆記体５を識別するための識別表示体７を、前記各々の窓孔４１近傍の軸筒２側壁外面に着脱自在に取り付けたことにより、操作体６を操作する前に筆記体５に対応した操作体６近傍の識別表示体７を容易に視認できる。また、本実施の形態の多芯筆記具１は、前記各々の識別表示体７を、前記各々の窓孔４１近傍の軸筒２側壁外面に着脱自在に取り付けたことにより、操作体６のスライド操作時、識別表示体７に指等で触れることを回避し、識別表示体７が脱落することを抑止でき、しかも、仮に識別表示体７が脱落しても、操作部６１は操作体６に存在するため、ペン先の出没作動が不能となることがない。本実施の形態の多芯筆記具１は、操作体６と筆記体５とを着脱自在に連結したことにより、ユーザーが操作体６を軸筒２内に収容した状態で筆記体５のみを交換することができる。
The multi-core writing instrument 1 according to the present embodiment is provided with an identification display body 7 for identifying each writing body 5 detachably attached to the outer surface of the side wall of the shaft cylinder 2 in the vicinity of each window hole 41. Before the body 6 is operated, the identification display body 7 in the vicinity of the operation body 6 corresponding to the writing body 5 can be easily visually recognized. Further, the multi-core writing instrument 1 according to the present embodiment is configured such that each of the identification display bodies 7 is detachably attached to the outer surface of the side wall of the shaft cylinder 2 in the vicinity of each of the window holes 41 so that the operation body 6 can be slid. At this time, it is possible to prevent the identification display body 7 from being touched with a finger or the like, and to prevent the identification display body 7 from falling off. Further, even if the identification display body 7 falls off, the operation unit 61 exists in the operation body 6. Therefore, the pen tip operation does not become impossible. In the multi-core writing instrument 1 of the present embodiment, the operating body 6 and the writing body 5 are detachably connected, so that the user replaces only the writing body 5 in a state where the operating body 6 is accommodated in the shaft tube 2. be able to.
本実施の形態の多芯筆記具１は、識別表示体７が環状に形成され、前記識別表示体７が各々の窓孔４１の周壁に、該窓孔４１を包囲するように着脱自在に取り付けられることにより、操作体６のスライド操作時、識別表示体７に指等で触れることを回避し、識別表示体７が脱落することを抑止できる。また、本実施の形態の多芯筆記具１は、識別表示体７が環状に形成され、前記識別表示体７が各々の窓孔４１の周壁に、該窓孔４１を包囲するように着脱自在に取り付けられることにより、識別表示体７を外部より容易に視認でき、識別表示体７に対応する操作体６を容易に識別できる。
In the multi-core writing instrument 1 of the present embodiment, the identification display body 7 is formed in an annular shape, and the identification display body 7 is detachably attached to the peripheral wall of each window hole 41 so as to surround the window hole 41. Accordingly, it is possible to avoid touching the identification display body 7 with a finger or the like during the slide operation of the operation body 6 and to prevent the identification display body 7 from dropping off. Further, in the multi-core writing instrument 1 of the present embodiment, the identification display body 7 is formed in an annular shape, and the identification display body 7 is detachably attached to the peripheral wall of each window hole 41 so as to surround the window hole 41. By being attached, the identification display body 7 can be easily visually recognized from the outside, and the operation body 6 corresponding to the identification display body 7 can be easily identified.