JP5382931B2 - Slide feed type multi-core writing instrument - Google Patents

Slide feed type multi-core writing instrument Download PDF

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JP5382931B2
JP5382931B2 JP2009177772A JP2009177772A JP5382931B2 JP 5382931 B2 JP5382931 B2 JP 5382931B2 JP 2009177772 A JP2009177772 A JP 2009177772A JP 2009177772 A JP2009177772 A JP 2009177772A JP 5382931 B2 JP5382931 B2 JP 5382931B2
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sliding body
sliding
writing instrument
type multi
rib
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JP2011031424A (en
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満 岩間
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Pilot Corp KK
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Description

本発明は、軸筒の後方部に設けた摺動孔より露出させた摺動体を前進させて、軸筒の先端開口部から筆記先端部を突出させるスライド繰出式多芯筆記具に関する。   The present invention relates to a slide feeding type multi-core writing instrument in which a sliding body exposed from a sliding hole provided in a rear portion of a shaft cylinder is advanced to project a writing tip from a tip opening of the shaft cylinder.

特開２００１−１１３８８３号公報に見られるように、軸筒の後方部に設けた摺動孔より露出させた摺動体を前後動させることにより、軸筒の先端開口部から筆記先端部を出没させるスライド繰出構造の多芯筆記具はよく知られている。尚、一般的に筆記具の軸筒後端部は、軸筒の中間部と同径であるか先細りになっていることから、軸筒の後端側から見たときには摺動体が軸筒の外方へ突出した状態になっており（図１０参照）、このことから筆記具をポケットに装着した状態で、誤って摺動体に触れてしまった場合には、筆記先端部が不本意に軸筒から突出してポケットを汚してしまうことがあった。
特開２００１−１１３８８３号公報 As seen in Japanese Patent Application Laid-Open No. 2001-113883, the writing tip is projected and retracted from the tip opening of the shaft cylinder by moving the sliding body exposed from the sliding hole provided in the rear portion of the shaft cylinder back and forth. A multi-core writing instrument having a slide feeding structure is well known. In general, the rear end of the shaft cylinder of the writing instrument has the same diameter as or a taper from the middle part of the shaft cylinder, so that when viewed from the rear end side of the shaft cylinder, the sliding body is outside the shaft cylinder. (See Fig. 10), so if you accidentally touch the sliding body with the writing instrument in your pocket, the writing tip will inadvertently move away from the barrel. It sometimes protrudes and dirty the pocket.
JP 2001-113883 A

本発明では、軸筒の後方部に設けた摺動孔より露出させた摺動体を前進させて、軸筒の先端開口部から筆記先端部を突出させるスライド繰出式多芯筆記具において、誤って筆記体の筆記先端部が軸筒の先端開口部から突出しにくい構造のスライド繰出式多芯筆記具を提供することを目的とする。   In the present invention, in the slide feed type multi-core writing instrument in which the sliding body exposed from the sliding hole provided in the rear part of the shaft cylinder is advanced and the writing tip part protrudes from the tip opening part of the shaft cylinder, An object of the present invention is to provide a slide-feed type multi-core writing instrument having a structure in which the writing tip of the body is unlikely to protrude from the tip opening of the shaft cylinder.

本発明は、
「１．軸筒の後方部に形成した複数の摺動孔より露出させた複数の摺動体に形成した突部のいずれかを前進させることにより、前記摺動体に連結した筆記体の筆記先端部を前記軸筒の先端開口部から突出させるスライド繰出式多芯筆記具において、
前記軸筒の後方部に、前記摺動体が前記摺動孔の後端部へ後退した状態で隣接する複数のリブを設け、当該リブにより前記摺動体の突部に対する後方からの接触を防止させることを特徴としたスライド繰出式多芯筆記具。
２．前記摺動体の突部を、当該摺動体の後端部に形成したことを特徴とする１項に記載のスライド繰出式多芯筆記具。
３．前記摺動体の突部が前記摺動孔の後端部に位置する状態において、前記摺動体の突部および前記リブにおける前記軸筒の側方の最外部位置を略一致させたことを特徴とする１項または２項に記載のスライド繰出式多芯筆記具。
４．前記摺動体の突部の側面に滑止部を形成したことを特徴とする１項ないし３項のいずれか１項に記載のスライド繰出式多芯筆記具。
５．前記摺動孔より露出させた前記摺動体の突部の色を当該摺動体に連結した筆記体の筆記色に応じた色にすると共に、前記リブの色を当該リブの前方に位置する前記摺動体の突部の色と同色にしたことを特徴とする１項ないし４項のいずれか１項に記載のスライド繰出式多芯筆記具。
６．前記軸筒が後方に前記リブを設けたキャップを有し、前記軸筒内に、筆記体としてシャープペンシル体を収容すると共に、前記軸筒の後端部に消しゴムを収容し、前記キャップを前記軸筒の後端部に装着することにより、前記消しゴムを被覆させることを特徴とする１項ないし５項のいずれか１項に記載のスライド繰出式多芯筆記具。
７．前記キャップに係止部を設けると共に前記軸筒に前記係止部と係止する係止受部を設け、前記キャップを前記軸筒に装着した際に、前記係止部と係止受部とが係止することによって、当該キャップのリブと前記摺動体との位置が合致する構造としたことを特徴とする６項に記載のスライド繰出式多芯筆記具。
８．前記リブの前方に前記摺動体が当接する弾性部を設け、前記摺動体が前記軸筒内に設けたコイルスプリングにより前記摺動孔の後方へ後退した際の衝撃を、前記リブの弾性部で緩和させることを特徴とする１項ないし７項のいずれか１項に記載のスライド繰出式多芯筆記具。」である。
The present invention
“1. The writing tip of the writing body connected to the sliding body by advancing any one of the protrusions formed on the plurality of sliding bodies exposed from the plurality of sliding holes formed in the rear part of the shaft cylinder In a slide-feed type multi-core writing instrument that protrudes from the tip opening of the shaft tube,
A plurality of adjacent ribs are provided at a rear portion of the shaft cylinder in a state where the sliding body is retracted to a rear end portion of the sliding hole, and the ribs prevent contact from the rear with respect to the projecting portion of the sliding body. A slide feed type multi-core writing instrument characterized by that.
2. The slide feeding type multi-core writing instrument according to claim 1, wherein the protruding portion of the sliding body is formed at a rear end portion of the sliding body.
3. In the state where the protrusion of the sliding body is located at the rear end portion of the sliding hole, the outermost position of the side of the shaft tube in the protrusion of the sliding body and the rib is substantially matched. The slide feeding type multi-core writing instrument according to item 1 or 2.
4). The slide feeding type multi-core writing instrument according to any one of claims 1 to 3, wherein a non-slip portion is formed on a side surface of the protruding portion of the sliding body.
5. The color of the protrusion of the sliding body exposed from the sliding hole is set to a color corresponding to the writing color of the writing body connected to the sliding body, and the color of the rib is located in front of the rib. 5. The slide feeding type multi-core writing instrument according to any one of items 1 to 4, wherein the color is the same as the color of the protrusion of the moving body.
6). A cap which the barrel is provided with the rib backward, the shaft within the cylinder, accommodates the mechanical pencil body as cursive housed eraser at the rear end portion of the barrel, the said cap The slide feeding type multi-core writing instrument according to any one of claims 1 to 5, wherein the eraser is covered by being attached to a rear end portion of the shaft cylinder .
7). The cap is provided with a locking portion and the shaft tube is provided with a locking receiving portion for locking with the locking portion, and when the cap is mounted on the shaft tube , the locking portion and the locking receiving portion are provided. The slide feeding type multi-core writing instrument according to claim 6, wherein the cap rib and the sliding body are aligned with each other by being locked.
8). An elastic part with which the sliding body abuts is provided in front of the rib, and an impact when the sliding body is retracted to the rear of the sliding hole by a coil spring provided in the shaft tube is caused by the elastic part of the rib. The slide feeding type multi-core writing instrument according to any one of claims 1 to 7, which is relaxed. Is.

軸筒の後方部に形成するリブの巾は、摺動体の巾に対して異なっていてもよく、双方の巾を一致させた場合には、リブと摺動体とに一体感が生じてリブの存在が目立たないものとなる。またリブの形状は、リブを形成する軸筒の後方部の外側形状に合わせて形成すると、リブを目立ちにくい状態にすることができる。リブの前方に設ける弾性部は、射出成形時においてゴムなどの弾性部材を例えば二色成形で形成するとよい。   The width of the rib formed on the rear part of the shaft tube may be different from the width of the sliding body. When both widths are matched, the rib and the sliding body have a sense of unity, Existence is inconspicuous. Further, when the rib is formed in conformity with the outer shape of the rear portion of the shaft tube forming the rib, the rib can be made inconspicuous. The elastic part provided in front of the rib may be formed by, for example, two-color molding of an elastic member such as rubber at the time of injection molding.

本発明は前述した構造なので、例えば筆記具に設けたクリップでポケット等に装着した状態において、ポケットから露出している筆記具の摺動体の突部に対して、軸筒の後方部に設けた複数のリブによって接触を防止できることから、筆記先端部が意図せずに軸筒から突出してポケット等を汚してしまうということがなくなる。   Since the present invention has the above-described structure, for example, in a state where the clip is provided in the pocket with a clip provided on the writing instrument, a plurality of provided on the rear part of the shaft cylinder with respect to the protrusion of the sliding body of the writing instrument exposed from the pocket. Since the contact can be prevented by the rib, the writing tip portion does not unintentionally protrude from the shaft tube to contaminate the pocket or the like.

また、摺動体の突部を当該摺動体の後端部に形成することによって、その摺動体の後方に位置するリブを当該摺動体の突部と接近させた状態に配置させることが容易となるので、デザイン的に摺動体の突部とリブとの連続性がよくなると共に、摺動体の突部とリブとの間にものが入り込むことによる誤作動も防ぐことができる。   Further, by forming the projecting portion of the sliding body at the rear end portion of the sliding body, it becomes easy to arrange the rib located behind the sliding body in a state of being close to the projecting portion of the sliding body. Therefore, the continuity between the protrusions and the ribs of the sliding body is improved in terms of design, and malfunction due to the entry of something between the protrusions and the ribs of the sliding body can be prevented.

また、摺動体が前記摺動孔の後端部に位置した状態における摺動体の突部とリブの側方の最外部位置を略一致させることによって、摺動体への後方からの接触をさらに防止させることができ、またこの場合、摺動体の突部の側面に滑止部を設けることによって、リブの存在で後方から動かし難くなった摺動体の操作が行いやすいものとなる。   Further, by making the projecting portion of the sliding body and the outermost position on the side of the rib in a state where the sliding body is located at the rear end portion of the sliding hole, contact from the rear side to the sliding body is further prevented. In this case, by providing a non-slip portion on the side surface of the projecting portion of the sliding body, it becomes easy to operate the sliding body that is difficult to move from the rear due to the presence of the rib.

また、摺動孔より露出した摺動体の突部を、当該摺動体に連結した筆記体の筆記色に応じた色にすると共に、リブの色も前方に位置した摺動体の突部の色と同色にすることによって、後方側から見にくくなった摺動体の突部を、その摺動体の後方位置にあるリブの色によって判別して、所望する筆記体に連結された摺動体を操作して、目的とする筆記体の筆記先端部を突出させることが可能となる。   In addition, the protrusion of the sliding body exposed from the sliding hole is made a color corresponding to the writing color of the writing body connected to the sliding body, and the color of the rib is also the color of the protrusion of the sliding body located in front. By making the same color, the protrusion of the sliding body that is difficult to see from the rear side is determined by the color of the rib at the rear position of the sliding body, and the sliding body connected to the desired writing body is operated, It becomes possible to make the writing front-end | tip part of the target writing body protrude.

また、軸筒の後端部に消しゴムを収容し、外側面にリブを有したキャップを軸筒の後端部に装着して消しゴムを被覆することにより、前記効果と同様に摺動体の後方からの突部への接触を防止できると共に、軸筒内に筆記体として収容したシャープペンシル体にて筆記した筆跡を消去することが可能となり利便性が向上する。またキャップを螺合により装着する構造とした場合には、リブでキャップが回しやすくなると共に、リブがキャップの転がり防止となる。
Further, accommodating the eraser at the rear end portion of the barrel, by coating the eraser wearing the cap having a rib on the outer surface at the rear end portion of the barrel, similar to the effect from the rear of the sliding body It is possible to prevent contact with the protrusions of the ink jet and to erase the handwriting written with the mechanical pencil body accommodated as a writing body in the shaft cylinder, thereby improving convenience. Further, when the cap is mounted by screwing, the cap can be easily rotated by the rib, and the rib prevents the cap from rolling.

また、キャップに係止部を設けると共に軸筒に前記係止部と係止する係止受部を設け、キャップを軸筒に装着する際に、係止部と係止受部とが係止することによって、キャップのリブと摺動体との位置が合致する構造にすることで、外したキャップをはめる際に必ず摺動体の位置に対してキャップのリブの位置が一致するものとなる。
In addition, the cap is provided with a locking portion and the shaft tube is provided with a locking receiving portion that locks with the locking portion, and when the cap is mounted on the shaft tube , the locking portion and the locking receiving portion are locked. By doing so, the position of the rib of the cap always matches the position of the sliding body when the removed cap is fitted by making the structure where the position of the rib of the cap coincides with the position of the sliding body.

また、リブの前方に摺動体が当接する弾性部を設け、摺動体が軸筒内に設けたコイルスプリングにより摺動孔の後方へ後退した際の衝撃を、リブの弾性部で緩和させる構造とすることで、軸筒内のコイルスプリングで後方に弾発された摺動体が摺動孔の後端に衝突するときの音を軽減させ、筆記体の内部のインキや鉛芯に加わる衝突時の悪影響を防止することができる。   Also, an elastic part is provided in front of the rib so that the sliding body abuts, and the impact when the sliding body is retracted to the rear of the sliding hole by a coil spring provided in the shaft tube is relaxed by the elastic part of the rib. This reduces the noise when the sliding body, which is springed back by the coil spring in the shaft cylinder, collides with the rear end of the sliding hole, and is applied to the ink and lead core inside the cursive. Adverse effects can be prevented.

図１は、本実施例のスライド繰出式多芯筆記具の後方部の斜視図である。FIG. 1 is a perspective view of a rear portion of the slide payout type multi-core writing instrument of the present embodiment. 図２は、図１のキャップを外した状態の図である。FIG. 2 is a view showing a state in which the cap of FIG. 1 is removed. 図３は、シャープペンシル体に連結された摺動体を操作したときの要部斜視図である。FIG. 3 is a perspective view of a main part when the sliding body connected to the mechanical pencil body is operated. 図４は、シャープペンシル体を操作したときの縦断面図である。FIG. 4 is a longitudinal sectional view when the mechanical pencil body is operated. 図５は、本実施例のスライド繰出式多芯筆記具をポケットに装着した状態の図である。FIG. 5 is a diagram of a state in which the slide payout type multi-core writing instrument of the present embodiment is mounted in the pocket. 図６は、本実施例のスライド繰出式多芯筆記具を後端側より見たときの図である。FIG. 6 is a view of the slide payout type multi-core writing instrument of this embodiment as viewed from the rear end side. 図７は、他の実施例を示す図である。FIG. 7 is a diagram showing another embodiment. 図８は、他の実施例を示す図である。FIG. 8 is a diagram showing another embodiment. 図９は、他の実施例を示す図である。FIG. 9 is a diagram showing another embodiment. 図１０は、従来のスライド繰出式多芯筆記具である。FIG. 10 shows a conventional slide payout type multi-core writing instrument.

以下、図面を参照して本発明の実施例を説明する。尚、図面中の同じ部材、同じ部品については同じ番号を付してある。本実施例の説明においては図面の下方を前方と表現し、反対側を後方と表現する。   Embodiments of the present invention will be described below with reference to the drawings. In addition, the same number is attached | subjected about the same member and the same component in drawing. In the description of this embodiment, the lower side of the drawing is expressed as the front, and the opposite side is expressed as the rear.

図１，図２に示すように、本実施例のスライド繰出式多芯筆記具１は、軸筒の後軸２の後方部に３つの摺動孔２ａを形成してあり、それぞれの摺動孔２ａに３つの摺動体３，４，５を、突部３ａ，４ａ，５ａを摺動孔２ａから露出させた状態で前後動可能に配設してある。尚、本実施例における摺動体の突部の側面には、凹凸に形成した滑止部３ｂ，４ｂ，５ｂを設けてスライド操作を行いやすくしてある。また、後軸２の後方部にはクリップ６を形成してある。また本実施例では、図２に示すように、後軸２の後端に突出部２ｂを形成してあり、突出部２ｂに対してキャップ７を装着できる構造としてある。キャップ７の側面には、９０度毎の配置に突出させたリブ７ａ，７ｂ，７ｃを設けてあり、各リブの先端部には、キャップ７の底面７ｄから突出するよう設けたエラストマーからなる弾性部８を二色成形で形成してある。図に示す通り本実施例では、前記各リブは前記各摺動体の巾と同じ巾で、キャップ７の外側形状に沿って形成してある。またキャップ７の内面には、内向きの係止突起７ｅを形成してあり、後軸２の突出部２ｂに形成した係止溝２ｃに係止できるようにしてあり、係止した状態において、図１に示すように、リブ７ａが摺動体３と、リブ７ｂが摺動体４と、リブ７ｃが摺動体５と合致する構造としてある。尚、摺動体３は、前方にシャープペンシル体（図示せず）を連結し、色を灰色としてあり、リブ７ａの色も灰色で一致させてある。摺動体４は、前方に黒色のボールペン（図示せず）を連結し、色を黒色としてあり、リブ７ｂの色も黒色で一致させてある。摺動体５は、前方に赤色のボールペン（図示せず）を連結し、色を赤色としてあり、リブ７ｃの色も赤色で一致させてある。   As shown in FIGS. 1 and 2, the slide payout type multi-core writing instrument 1 of the present embodiment has three sliding holes 2 a formed in the rear part of the rear shaft 2 of the shaft cylinder, and each sliding hole Three sliding bodies 3, 4, 5 are arranged in 2 a so as to be movable back and forth with the protruding portions 3 a, 4 a, 5 a exposed from the sliding holes 2 a. In the present embodiment, non-slip portions 3b, 4b, and 5b formed in irregularities are provided on the side surfaces of the protrusions of the sliding body to facilitate the sliding operation. A clip 6 is formed on the rear part of the rear shaft 2. Further, in the present embodiment, as shown in FIG. 2, a protrusion 2b is formed at the rear end of the rear shaft 2, and a cap 7 can be attached to the protrusion 2b. Ribs 7 a, 7 b, 7 c are provided on the side surface of the cap 7 so as to be arranged at every 90 degrees, and an elastic material made of an elastomer provided so as to protrude from the bottom surface 7 d of the cap 7 at the tip of each rib. The part 8 is formed by two-color molding. As shown in the drawing, in this embodiment, each rib is formed along the outer shape of the cap 7 with the same width as each sliding body. In addition, an inward locking projection 7e is formed on the inner surface of the cap 7 so that it can be locked in a locking groove 2c formed in the protruding portion 2b of the rear shaft 2. In the locked state, As shown in FIG. 1, the rib 7 a matches the sliding body 3, the rib 7 b matches the sliding body 4, and the rib 7 c matches the sliding body 5. The sliding body 3 has a mechanical pencil body (not shown) connected to the front, the color is gray, and the color of the rib 7a is also gray. The sliding body 4 has a black ballpoint pen (not shown) connected to the front, the color is black, and the color of the rib 7b is also matched with black. The sliding body 5 has a red ballpoint pen (not shown) connected to the front, the color is red, and the color of the rib 7c is also matched with red.

また本実施例では、摺動体３，４，５が、軸筒内のコイルスプリング（図示せず）に弾発されて後退したときに、各摺動体の突部３ａ，４ａ，５ａがキャップ７の弾性部８に衝突して、衝撃が緩和されるようにしてある。また後軸２に設けた突出部２ｂの外側には、段部２ｄを形成してあり、キャップ７内に形成した段部（図示せず）を乗り越えてキャップ７が抜け落ちない状態で装着できるようにしてある。後軸２の突出部２ｂには消しゴム収容部２ｅを形成してあり、消しゴム９を収容してある。   Further, in this embodiment, when the sliding bodies 3, 4 and 5 are ejected by a coil spring (not shown) in the shaft cylinder and retracted, the projecting portions 3a, 4a and 5a of the respective sliding bodies are caps 7. The impact is relieved by colliding with the elastic portion 8. Further, a step portion 2d is formed on the outer side of the protruding portion 2b provided on the rear shaft 2, so that the cap 7 can be mounted in a state in which the cap 7 does not fall out by overcoming the step portion (not shown) formed in the cap 7. It is. An eraser accommodating portion 2e is formed on the protruding portion 2b of the rear shaft 2, and an eraser 9 is accommodated therein.

次に、図３，図４を用いて本実施例のスライド繰出式多芯筆記具におけるスライド操作の説明を行う。図３に示すように、摺動体３の突部３ａを摺動孔２ａの前方へスライドすることで、摺動体３の前方に連結したシャープペンシル体３０の先端部３０ａを、後軸４の前方に配した前軸１０の先端開口部１０ａより突出させることができる。さらに図４を用いて内部構造を詳述すると、摺動体３を前進させることで、後軸２内のコイルスプリング１１を圧縮しながら、摺動体３の後方内側に形成した係止突起３ｃが後軸２の内面に形成した係止受部２ｆに係止して、シャープペンシル体３０の先端部３０ａを前軸１０の先端開口部１０ａから突出させた状態で維持できる構造である。   Next, the slide operation in the slide payout type multi-core writing instrument of this embodiment will be described with reference to FIGS. As shown in FIG. 3, the tip portion 30 a of the mechanical pencil body 30 connected to the front of the sliding body 3 is moved forward of the rear shaft 4 by sliding the protrusion 3 a of the sliding body 3 to the front of the sliding hole 2 a. It can be made to protrude from the front-end | tip opening part 10a of the front shaft 10 distribute | arranged to. Further, the internal structure will be described in detail with reference to FIG. 4. The locking protrusion 3 c formed on the rear inner side of the sliding body 3 is rearward while the coil spring 11 in the rear shaft 2 is compressed by moving the sliding body 3 forward. The structure is such that the front end portion 30a of the mechanical pencil body 30 can be maintained in a state of protruding from the front end opening portion 10a of the front shaft 10 by being engaged with the engagement receiving portion 2f formed on the inner surface of the shaft 2.

また図４の状態から、摺動体４の突部４ａを前方へスライドさせることで、摺動体４に形成した係止解除突起４ｄにより、後軸２の係止受部２ｆに係止してある摺動体３の係止突起３ｃを解除して、シャープペンシル体３０の先端部３０ａを前軸１０内に没入させ、さらに摺動体４を前進させることにより、摺動体４の後端部に形成した係止突起４ｃを後軸２の係止受部２ｆに係止させ、ボールペン体４０の先端部４０ａを前軸１０の先端開口部１０ａから突出した状態で維持させることができる。このような出没動作は、後軸２の摺動孔２ａから突出させた各摺動体の突部をスライド操作することによって繰返し行うことができる。   Further, by sliding the protrusion 4a of the sliding body 4 forward from the state of FIG. 4, the locking receiving protrusion 2d formed on the sliding body 4 is locked to the locking receiving portion 2f of the rear shaft 2. The locking projection 3c of the sliding body 3 is released, the tip 30a of the mechanical pencil body 30 is immersed in the front shaft 10, and the sliding body 4 is further advanced to form the rear end of the sliding body 4. The locking projection 4 c can be locked to the locking receiving portion 2 f of the rear shaft 2, and the tip end portion 40 a of the ballpoint pen body 40 can be maintained in a state of protruding from the tip opening portion 10 a of the front shaft 10. Such an appearance operation can be repeatedly performed by sliding operation of the protrusions of the sliding bodies protruding from the sliding holes 2a of the rear shaft 2.

次に図５を用いて、本実施例のスライド繰出式多芯筆記具をポケットに装着した状態について説明を行う。図５では、スライド繰出式多芯筆記具１を、クリップ６にて、ポケット１００へ挟持した状態としてある。本実施例のスライド繰出式多芯筆記具１は、摺動体３，４，５の突部３ａ，４ａ，５ａにキャップ７のリブ７ａ，７ｂ，７ｃが隣接し、後端側から見ると、図６に示すように各リブの位置が各摺動体の位置と合致し、さらに側方への最外部位置も一致しており、図５に示すように、ポケット１００へ別の筆記具２００を装着する際に、筆記具２００が本実施例のスライド繰出式多芯筆記具１に当たっても、各摺動体には接触しにくく、誤って筆記体の先端部が突出してしまうことはなかった。   Next, with reference to FIG. 5, a state in which the slide feeding type multi-core writing instrument of the present embodiment is mounted in the pocket will be described. In FIG. 5, the slide feeding type multi-core writing instrument 1 is held in the pocket 100 by the clip 6. When the slide feeding type multi-core writing instrument 1 of the present embodiment is seen from the rear end side, the ribs 7a, 7b, 7c of the cap 7 are adjacent to the protrusions 3a, 4a, 5a of the sliding bodies 3, 4, 5 as shown in FIG. As shown in FIG. 6, the position of each rib coincides with the position of each sliding body, and the position of the outermost side to the side also coincides, and as shown in FIG. In this case, even when the writing instrument 200 hits the slide-feed type multi-core writing instrument 1 of this example, it was difficult to contact each sliding body, and the tip of the writing body did not protrude by mistake.

図７〜図９は本発明の他の実施例である。図７は、後軸２とキャップ７とを螺合により装着する構造である。後軸２の突出部２ｂの外周面には雄螺子部２ｇを形成してあり、キャップ７の内面には雌螺子部（図示せず）を形成してある。本実施例では、キャップ７の外周面にリブ７ａ，７ｂ，７ｃを設けてあることから、キャップの着脱時においてキャップ７を回転させやすく、また外したキャップが転げ落ちにくく、螺子嵌合させた状態においてはリブ７ａ，７ｂ，７ｃと摺動体３，４，５とが合致する構造とした。他の点は前記実施例と同様のため説明を省略する。図８は、前述の実施例と同様でキャップ７にリブ７ａ，７ｂ，７ｃを形成すると共に、クリップ６に隣接する位置にもリブ７ｆを形成したものである。図９は、後軸２の後端部の外周面にリブ７ａ，７ｂ，７ｃを形成したものである。   7 to 9 show another embodiment of the present invention. FIG. 7 shows a structure in which the rear shaft 2 and the cap 7 are attached by screwing. A male screw portion 2 g is formed on the outer peripheral surface of the protruding portion 2 b of the rear shaft 2, and a female screw portion (not shown) is formed on the inner surface of the cap 7. In this embodiment, since the ribs 7a, 7b, and 7c are provided on the outer peripheral surface of the cap 7, the cap 7 can be easily rotated when the cap is attached and detached, and the removed cap is difficult to roll off and is screw-fitted. In FIG. 5, the ribs 7a, 7b, 7c and the sliding bodies 3, 4, 5 are matched. Since other points are the same as those of the above embodiment, the description is omitted. FIG. 8 shows a structure in which ribs 7 a, 7 b, and 7 c are formed on the cap 7 and ribs 7 f are formed at positions adjacent to the clip 6 in the same manner as in the previous embodiment. FIG. 9 shows ribs 7 a, 7 b, 7 c formed on the outer peripheral surface of the rear end portion of the rear shaft 2.

本発明のスライド繰出式多芯筆記具は、軸筒の内部に収容する筆記体として、特開平７−２９０８８５号公報に見られるような樹脂チップを先端に有した入力ペンや、特開２００７−３８６３５号公報に見られるような棒状消しゴムを備えた消しゴム繰出体など、軸筒内へ収容できるものに利用可能である。   The slide payout type multi-core writing instrument of the present invention includes an input pen having a resin chip at the tip thereof as disclosed in JP-A-7-290885, or JP-A-2007-38635 as a writing body accommodated in the shaft cylinder. The present invention can be used for an eraser feed member provided with a rod-shaped eraser as shown in the Japanese Patent Publication, and the like that can be accommodated in a shaft tube.

１…スライド繰出式多芯筆記具、
２…後軸、２ａ…摺動孔、２ｂ…突出部、２ｃ…係止溝、
２ｄ…段部、２ｅ…消しゴム収容部、２ｆ…係止受部、
２ｇ…雄螺子部、
３，４，５…摺動体、３ａ，４ａ，５ａ…突部、
３ｂ，４ｂ，５ｂ…滑止部、
３ｃ…係止突起、４ｃ…係止突起、４ｄ…係止解除突起、
６…クリップ、
７…キャップ、７ａ，７ｂ，７ｃ…リブ、７ｄ…底面、
７ｅ…係止突起、７ｆ…リブ、
８…弾性部、９…消しゴム、
３０…シャープペンシル体、３０ａ…先端部、
１０…前軸、１０ａ…先端開口部、１１…コイルスプリング、
４０…ボールペン体、４０ａ…先端部、
１００…ポケット、２００…他の筆記具。 1 ... Slide feeding type multi-core writing instrument,
2 ... rear shaft, 2a ... sliding hole, 2b ... projection, 2c ... locking groove,
2d ... Step part, 2e ... Eraser housing part, 2f ... Lock receiving part,
2g ... male screw part,
3, 4, 5 ... sliding body, 3a, 4a, 5a ... projection,
3b, 4b, 5b ... non-slip part,
3c ... locking projection, 4c ... locking projection, 4d ... locking release projection,
6 ... clips,
7 ... Cap, 7a, 7b, 7c ... Rib, 7d ... Bottom surface,
7e: locking protrusion, 7f: rib,
8 ... elastic part, 9 ... eraser,
30 ... mechanical pencil body, 30a ... tip,
10 ... front shaft, 10a ... tip opening, 11 ... coil spring,
40 ... ballpoint pen body, 40a ... tip,
100 ... pocket, 200 ... other writing instruments.

Claims (8)

軸筒の後方部に形成した複数の摺動孔より露出させた複数の摺動体に形成した突部のいずれかを前進させることにより、前記摺動体に連結した筆記体の筆記先端部を前記軸筒の先端開口部から突出させるスライド繰出式多芯筆記具において、
前記軸筒の後方部に、前記摺動体が前記摺動孔の後端部へ後退した状態で隣接する複数のリブを設け、当該リブにより前記摺動体の突部に対する後方からの接触を防止させることを特徴としたスライド繰出式多芯筆記具。 By moving any of the protrusions formed on the plurality of sliding bodies exposed from the plurality of sliding holes formed on the rear portion of the shaft cylinder, the writing tip portion of the writing body connected to the sliding body is moved to the shaft. In the slide feeding type multi-core writing instrument that protrudes from the tip opening of the cylinder,
A plurality of adjacent ribs are provided at a rear portion of the shaft cylinder in a state where the sliding body is retracted to a rear end portion of the sliding hole, and the ribs prevent contact from the rear with respect to the projecting portion of the sliding body. A slide feed type multi-core writing instrument characterized by that. 前記摺動体の突部を、当該摺動体の後端部に形成したことを特徴とする請求項１に記載のスライド繰出式多芯筆記具。   The slide feeding type multi-core writing instrument according to claim 1, wherein the protrusion of the sliding body is formed at a rear end portion of the sliding body. 前記摺動体の突部が前記摺動孔の後端部に位置する状態において、前記摺動体の突部および前記リブにおける前記軸筒の側方の最外部位置を略一致させたことを特徴とする請求項１または２に記載のスライド繰出式多芯筆記具。   In the state where the protrusion of the sliding body is located at the rear end portion of the sliding hole, the outermost position of the side of the shaft tube in the protrusion of the sliding body and the rib is substantially matched. The slide feeding type multi-core writing instrument according to claim 1 or 2. 前記摺動体の突部の側面に滑止部を形成したことを特徴とする請求項１ないし３のいずれか１項に記載のスライド繰出式多芯筆記具。   The slide feeding type multi-core writing instrument according to any one of claims 1 to 3, wherein a non-slip portion is formed on a side surface of the projecting portion of the sliding body. 前記摺動孔より露出させた前記摺動体の突部の色を当該摺動体に連結した筆記体の筆記色に応じた色にすると共に、前記リブの色を当該リブの前方に位置する前記摺動体の突部の色と同色にしたことを特徴とする請求項１ないし４のいずれか１項に記載のスライド繰出式多芯筆記具。   The color of the protrusion of the sliding body exposed from the sliding hole is set to a color corresponding to the writing color of the writing body connected to the sliding body, and the color of the rib is located in front of the rib. The slide-feed multi-core writing instrument according to any one of claims 1 to 4, wherein the same color as that of the protrusion of the moving body is used. 前記軸筒が後方に前記リブを設けたキャップを有し、前記軸筒内に、筆記体としてシャープペンシル体を収容すると共に、前記軸筒の後端部に消しゴムを収容し、前記キャップを前記軸筒の後端部に装着することにより、前記消しゴムを被覆させることを特徴とする請求項１ないし５のいずれか１項に記載のスライド繰出式多芯筆記具。 A cap which the barrel is provided with the rib backward, the shaft within the cylinder, accommodates the mechanical pencil body as cursive housed eraser at the rear end portion of the barrel, the said cap The slide feeding type multi-core writing instrument according to any one of claims 1 to 5, wherein the eraser is covered by being attached to a rear end portion of the shaft cylinder . 前記キャップに係止部を設けると共に前記軸筒に前記係止部と係止する係止受部を設け、前記キャップを前記軸筒に装着した際に、前記係止部と係止受部とが係止することによって、当該キャップのリブと前記摺動体との位置が合致する構造としたことを特徴とする請求項６に記載のスライド繰出式多芯筆記具。 The cap is provided with a locking portion and the shaft tube is provided with a locking receiving portion for locking with the locking portion, and when the cap is mounted on the shaft tube , the locking portion and the locking receiving portion are provided. The slide feeding type multi-core writing instrument according to claim 6, wherein the position of the rib of the cap coincides with the position of the sliding body by being locked. 前記リブの前方に前記摺動体が当接する弾性部を設け、前記摺動体が前記軸筒内に設けたコイルスプリングにより前記摺動孔の後方へ後退した際の衝撃を、前記リブの弾性部で緩和させることを特徴とする請求項１ないし７のいずれか１項に記載のスライド繰出式多芯筆記具。   An elastic part with which the sliding body abuts is provided in front of the rib, and an impact when the sliding body is retracted to the rear of the sliding hole by a coil spring provided in the shaft tube is caused by the elastic part of the rib. The slide feeding type multi-core writing instrument according to any one of claims 1 to 7, wherein the slide feeding type multi-core writing instrument is relaxed.
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