JP4115454B2 - Optical fiber holder - Google Patents

Optical fiber holder Download PDF

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JP4115454B2
JP4115454B2 JP2005043955A JP2005043955A JP4115454B2 JP 4115454 B2 JP4115454 B2 JP 4115454B2 JP 2005043955 A JP2005043955 A JP 2005043955A JP 2005043955 A JP2005043955 A JP 2005043955A JP 4115454 B2 JP4115454 B2 JP 4115454B2
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groove
optical fiber
lid
base material
ridge
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JP2006227493A (en
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貴弘 小川
直也 西村
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THE FURUKAW ELECTRIC CO., LTD.
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THE FURUKAW ELECTRIC CO., LTD.
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本発明は、光ファイバの端部を溝内に配置させて保持する光ファイバ保持具に関するものである。   The present invention relates to an optical fiber holder that holds an end portion of an optical fiber in a groove.

近年、光通信の需要の増大に伴い、光ファイバケーブルの布設条数や接続回数が増加している。このため、光ファイバ心線を接続する作業等は頻繁に行われている。従来、このような光ファイバを相互に接続するものとして種々のメカニカルスプライス技術が提案されている。（例えば特許文献１〜４）   In recent years, with the increase in demand for optical communication, the number of laying lines and the number of connections of optical fiber cables have increased. For this reason, the operation | work etc. which connect an optical fiber core wire are performed frequently. Conventionally, various mechanical splicing techniques have been proposed for interconnecting such optical fibers. (For example, Patent Documents 1 to 4)

図４に示したものは特許文献１に記載されたメカニカルスプライス型の光ファイバコネクタを示すものである。図４において、１０は表面に半円形の溝１１が形成された基材、２０は溝１１の表面を覆う蓋、３０は基材１０と蓋２０とをこれらの外周から覆い、これらの対向面を互いに押し付けるように押圧する外周に切り欠き３１を有する押圧付与具、４０は基材１０の一端部に取り付けられたフェルール、５０はフェルール４０内に内臓された内臓光ファイバ、６０は溝１１と蓋２０との間に配置され前記内臓光ファイバ５０と接続される光ファイバである。   FIG. 4 shows a mechanical splice type optical fiber connector described in Patent Document 1. In FIG. 4, 10 is a base material having a semicircular groove 11 formed on the surface, 20 is a lid covering the surface of the groove 11, 30 is covering the base material 10 and the lid 20 from the outer periphery thereof, and these opposing surfaces A pressing device having a notch 31 on the outer periphery that presses them against each other, 40 is a ferrule attached to one end of the substrate 10, 50 is a built-in optical fiber built in the ferrule 40, and 60 is a groove 11 It is an optical fiber that is arranged between the lid 20 and the built-in optical fiber 50.

このような構成の光ファイバコネクタは、図４（ロ）に示すように、押圧付与具３０の外周に形成された切り欠き３１からクサビ７０を挿入して、クサビ７０を基材１０と蓋２０との間に挿入することによって、押圧付与具３０が提する押圧付与力に逆らって溝１１と蓋２０とで形成される空間が広げられ、溝１１内に配置される光ファイバ６０を前記溝１１の長手方向に沿って移動可能となる。このような状態で光ファイバ６０の端面を内臓光ファイバの端面と接触させる。その後、クサビ７０を基材１０と蓋２０との間から取り去ることによって、光ファイバ６０を溝１１内に固定・保持され、光ファイバ６０と内臓光ファイバ５０とが光学的に接続した光コネクタが得られる。   As shown in FIG. 4B, the optical fiber connector having such a configuration inserts the wedge 70 from the notch 31 formed on the outer periphery of the pressing device 30, and the wedge 70 is inserted into the base 10 and the lid 20. The space formed by the groove 11 and the lid 20 is widened against the pressing force provided by the pressing device 30, and the optical fiber 60 disposed in the groove 11 is inserted into the groove 11. 11 is movable along the longitudinal direction. In this state, the end face of the optical fiber 60 is brought into contact with the end face of the built-in optical fiber. Thereafter, the wedge 70 is removed from between the base material 10 and the lid 20, whereby the optical fiber 60 is fixed and held in the groove 11, and the optical connector in which the optical fiber 60 and the built-in optical fiber 50 are optically connected is obtained. can get.

図５に示したものは特許文献２及び特許文献３に記載されたメカニカルスプライス型の光ファイバ接続器を示すものである。図５において、1０は表面にＶ状の溝１１が形成された基材、２０は溝１１を覆う蓋、３０は基材１０と蓋２０とをこれらの外周から覆い、これらを互いに押し合うように押圧させる押圧付与具、６０は溝１１と蓋２０との間に配置される光ファイバ、７０は基材１０と蓋２０との間に挿入され、溝１１と蓋２０とで形成される空間を広げ光ファイバ６０が溝１１内でその長手方向に移動可能にするクサビである。   FIG. 5 shows a mechanical splice type optical fiber connector described in Patent Document 2 and Patent Document 3. In FIG. 5, 10 is a base material having a V-shaped groove 11 formed on the surface, 20 is a lid covering the groove 11, 30 is covering the base material 10 and the lid 20 from the outer periphery, and presses them together. A pressure applying tool 60 to be pressed, an optical fiber 60 is disposed between the groove 11 and the lid 20, and a space 70 is inserted between the base material 10 and the lid 20 and formed by the groove 11 and the lid 20. It is a wedge that allows the optical fiber 60 to move in the longitudinal direction in the groove 11.

この光ファイバ接続器は、前記クサビ７０を基材１０と蓋２０との間に挿入させた状態で、光ファイバ接続器の両端からそれぞれ光ファイバ６０を挿入させて両者の光ファイバ６０の端部を溝１１内で接触させ、この状態でクサビ７０を抜き去ることによって、両光ファイバ６０を溝１１内に固定・保持させ、両光ファイバ６０を溝１１内で光学的に接続させたものを形成することができる。   In this optical fiber connector, in the state in which the wedge 70 is inserted between the base material 10 and the lid 20, the optical fibers 60 are inserted from both ends of the optical fiber connector, and the end portions of both optical fibers 60 are inserted. In the groove 11, and the wedge 70 is removed in this state, thereby fixing and holding the two optical fibers 60 in the groove 11, and optically connecting the two optical fibers 60 in the groove 11. Can be formed.

図６に示したものは特許文献４に記載されたメカニカルスプライス型の光ファイバホルダを示すものである。図６において、1０は表面に溝１１の形成されたアタッチメント１２が配置された基材、２０は溝１１を覆う蓋である。   FIG. 6 shows a mechanical splice type optical fiber holder described in Patent Document 4. In FIG. 6, 10 is a base material on which an attachment 12 having grooves 11 formed on the surface is disposed, and 20 is a lid that covers the grooves 11.

蓋２０は基材１０の側部に形成された枢軸１３を中心に回転可能に構成されている。また、この枢軸１３には蓋２０を基材１０から開いた状態に付勢させるバネ１４が配置されている。基材１０の前記側部と反対側にはバネ１５と係止レバー１６とが配置され、更にこれと対向する蓋２０には係止孔２１が形成され、蓋２０が前記バネの付勢に抗して溝１１を覆ったときに係止レバー１６と係止孔２１とが係合し、蓋２０が光ファイバを覆ってＶ溝１１内に光ファイバを固定し保持した状態を維持できるようになっている。   The lid 20 is configured to be rotatable around a pivot 13 formed on the side of the base material 10. The pivot 13 is provided with a spring 14 that urges the lid 20 to be opened from the base material 10. A spring 15 and a locking lever 16 are arranged on the side opposite to the side portion of the base material 10, and a locking hole 21 is formed in the lid 20 opposite to the spring 15 and the lid 20 is used to bias the spring. When the groove 11 is covered, the locking lever 16 and the locking hole 21 are engaged, and the cover 20 covers the optical fiber so that the optical fiber is fixed and held in the V-groove 11. It has become.

また、蓋２０の溝１１と対向する面には蓋２０が溝１１を覆ったときに溝１１を押し付ける弾性変形可能な光ファイバ押え部材２２が配置されている。また、溝１１の一端部には図示しない光ファイバをガイドして横ズレが生じないようにして光ファイバを溝１１内に容易に収納させるためのガイド部１７が溝１１の両側に配置されている。
この光ファイバホルダは、弾性変形可能な光ファイバ押え部材２２と、交換可能なアタッチメント１２によって、種類の異なる種々の光ファイバ心線を溝１１内に保持させることができる。 An elastically deformable optical fiber pressing member 22 that presses the groove 11 when the cover 20 covers the groove 11 is disposed on the surface of the cover 20 that faces the groove 11. Further, guide portions 17 are arranged on both sides of the groove 11 so as to guide the optical fiber (not shown) at one end portion of the groove 11 so that the optical fiber can be easily stored in the groove 11 so as not to cause lateral displacement. Yes.
The optical fiber holder can hold various types of optical fiber core wires in the groove 11 by the elastically deformable optical fiber pressing member 22 and the exchangeable attachment 12.

図７に記載されたものは特許文献５に記載された光ファイバ心線ホルダである。基本的な構成は前記図６に示される特許文献４に記載されたものと同一のものであるが、光ファイバを溝１１に収納する際に溝１１から光ファイバがズレ無いようにガイドするためのガイドピン１８が溝１１の両脇にそれぞれ複数個形成されている点が異なっている。   What is described in FIG. 7 is an optical fiber core holder described in Patent Document 5. Although the basic configuration is the same as that described in Patent Document 4 shown in FIG. 6, in order to guide the optical fiber so that it is not displaced from the groove 11 when the optical fiber is accommodated in the groove 11. The difference is that a plurality of guide pins 18 are formed on both sides of the groove 11.

特開平11−142686号公報Japanese Patent Laid-Open No. 11-142686 特開2000−304959号公報JP 2000-304959 A 特開平09−297241号公報JP 09-297241 A 特開平11−023879号公報Japanese Patent Laid-Open No. 11-023879 特開2004−145196号公報JP 2004-145196 A

しかしながら、特許文献１〜３に記載された発明は、図８に示すように、溝１１の両脇の平坦な部分Ａと蓋２０までの距離Ｂが光ファイバ６０の外径以上に離れてしまうと、光ファイバ６０が溝１１から外れてしまい、光ファイバ６０を溝１１内に正常に配置させることができない課題があった。このため、溝１１の寸法やクサビ７０の寸法精度を精度良く作成する必要があり、これらの製品を安価に製造することができなかった。   However, in the invention described in Patent Documents 1 to 3, as shown in FIG. 8, the distance B between the flat portions A on both sides of the groove 11 and the lid 20 is more than the outer diameter of the optical fiber 60. Then, the optical fiber 60 is detached from the groove 11, and there is a problem that the optical fiber 60 cannot be normally disposed in the groove 11. For this reason, it is necessary to make the dimension of the groove 11 and the dimension accuracy of the wedge 70 with high accuracy, and these products cannot be manufactured at low cost.

また、溝１１内への光ファイバ６０の挿入作業は、必ずしも溝１１が鉛直方向を向くように設置された状態で行われる訳でなく、電柱やマンホールでの作業等において、図８に示すように、クサビ７０が下方方向を向いて作業が行われる場合もある。このような場合は特に光ファイバ６０が溝１１から外れてしまい易い。またこのような環境で作業が行われる場合、溝１１の両脇の平坦な部分と蓋２０までの距離が光ファイバ６０の外径以下であっても、光ファイバ６０の端面が溝１１の角Ｋに当り、光ファイバ６０の端面の外周に傷がついてしまう危険があった。   Further, the operation of inserting the optical fiber 60 into the groove 11 is not necessarily performed in a state where the groove 11 is installed so as to face the vertical direction, but as shown in FIG. In addition, the work may be performed with the wedge 70 facing downward. In such a case, the optical fiber 60 is particularly likely to come off the groove 11. When the work is performed in such an environment, even if the distance between the flat portions on both sides of the groove 11 and the lid 20 is equal to or smaller than the outer diameter of the optical fiber 60, the end face of the optical fiber 60 is a corner of the groove 11. There was a risk that the outer periphery of the end face of the optical fiber 60 would be damaged by hitting K.

また、図６に示される特許文献４に記載された発明は、溝１１の一端部に光ファイバをガイドして横ズレが生じないようにするガイド部１７が溝１１の両側に配置されており、上記光ファイバの溝１１からの横ズレをある程度、回避させることができる。しかしながら、ガイド部１７が溝１１の一端部にのみ形成されているのみであるので、溝１１の他端部側で特許文献１〜３と同様に正常に光ファイバを溝１１内に配置させることができない課題があった。   Further, in the invention described in Patent Document 4 shown in FIG. 6, guide portions 17 are arranged on both sides of the groove 11 so as to guide the optical fiber to one end portion of the groove 11 and prevent lateral deviation. The lateral deviation from the groove 11 of the optical fiber can be avoided to some extent. However, since the guide portion 17 is formed only at one end portion of the groove 11, the optical fiber is normally arranged in the groove 11 on the other end portion side of the groove 11 as in Patent Documents 1 to 3. There was a problem that could not be done.

また、図７に示される特許文献５に記載された発明は、溝１１の両脇にそれぞれ複数のガイドピン１８が配置されているので、溝１１に配置された光ファイバが溝の脇に飛び出すことがない。しかしながら、ガイドピン１８が間欠的に配置されているので、光ファイバの端部を溝方向に移動させて溝１１内に配置させようとすると、光ファイバの端部が間欠的に配置されたガイドピン１８間を通り抜けて光ファイバが溝１１外に配置される課題があった。   Further, in the invention described in Patent Document 5 shown in FIG. 7, since the plurality of guide pins 18 are arranged on both sides of the groove 11, the optical fiber arranged in the groove 11 jumps out to the side of the groove. There is nothing. However, since the guide pins 18 are intermittently disposed, when the end of the optical fiber is moved in the groove direction and is disposed in the groove 11, the guide in which the end of the optical fiber is intermittently disposed. There has been a problem that the optical fiber is disposed outside the groove 11 through the pins 18.

本発明は、かかる点に鑑みなされたもので、表面に光ファイバを収納する溝が形成された基材と、前記溝を覆うように前記基材に押圧して固定される蓋を備えており、前記溝内に配置される光ファイバを前記蓋の押圧により前記溝内に保持する光ファイバ保持具であって、前記基材の前記溝の両側に、前記溝の両側壁の上端部から上方に向かって突出する所定の長さの凸条が、前記溝の長手方向に沿って形成されており、前記蓋は、前記凸条に対応する位置に該凸条を収納する窪みを有することを特徴とする。 The present invention has been made in view of such a point, and includes a base material having a groove formed on the surface for accommodating an optical fiber, and a lid that is pressed and fixed to the base material so as to cover the groove. the an optical fiber holder for holding an optical fiber that is disposed in the groove in the groove by the pressing of the lid on either side of the groove of the base, upward from the upper end of both side walls of said groove A protrusion having a predetermined length protruding toward the surface is formed along the longitudinal direction of the groove, and the lid has a recess for storing the protrusion at a position corresponding to the protrusion. Features.

本発明は、溝の長手方向に沿ってその溝の両脇に光ファイバ配置時のガイドを行う凸条が形成されている。このため、溝内に配置させようとする光ファイバを溝からはみ出すことなく確実に配置させることができる。   In the present invention, the ridges are formed on both sides of the groove along the longitudinal direction of the groove to guide the optical fiber. For this reason, the optical fiber to be disposed in the groove can be reliably disposed without protruding from the groove.

本発明は、以下の種々の実施形態を採用することができる。
凸条側面を溝の側面と段差を伴うことなく連続するように配置させる。
凸条を長手方向に間欠的に形成する。
溝に対向する蓋の表面に、凸条を収納する窪みを設ける。
基材と蓋とをそれらの外側から断面がコの字型の抑え具により押圧して蓋が溝を覆うようにする。 The present invention can adopt the following various embodiments.
The ridge side surface is arranged to be continuous with the side surface of the groove without any step.
Projections are formed intermittently in the longitudinal direction.
A recess for storing the ridge is provided on the surface of the lid facing the groove.
The base material and the lid are pressed from the outside by means of a U-shaped cross section so that the lid covers the groove.

以下、本発明を図示した実施例により説明する。
図１、及び図２はそれぞれ本発明の一実施例を示す正面説明図、側面説明図である。図１及び図２において、１０、２０、３０は前記図４〜図７の場合と同様に、それぞれ基材、蓋、押圧付与金具である。基材１０は表面にＶ字形の溝１１が形成され、その溝１１の両脇には溝１１に沿って基材１０の表面から突出した凸条１９が形成されている。この凸条１９の側面１９’は溝１１の側面１１’と段差を伴うことなく連続するように形成されている。蓋２０は溝１１を覆う面に凸条１９を収納することのできる窪み２３が形成され、溝１１上を蓋２０が覆っているときは凸条１９が窪み２３内に収納されている。押圧付与具３０は蓋２０を溝１１方向に押し付ける付与力を与えるもので、弾性変形可能な板バネ材等で構成されている。
このように構成された本発明の光ファイバ保治具は図４〜図７に示された各種製品の光
ファイバ保持部に採用される。 The present invention will be described below with reference to illustrated embodiments.
1 and 2 are a front explanatory view and a side explanatory view, respectively, showing an embodiment of the present invention. 1, 2, 10, 20, and 30 are a base material, a lid, and a press-applying metal fitting, respectively, as in FIGS. 4 to 7. A V-shaped groove 11 is formed on the surface of the substrate 10, and protrusions 19 protruding from the surface of the substrate 10 along the groove 11 are formed on both sides of the groove 11. The side surface 19 ′ of the ridge 19 is formed to be continuous with the side surface 11 ′ of the groove 11 without a step. The lid 20 is formed with a recess 23 capable of accommodating the ridge 19 on the surface covering the groove 11. When the lid 20 covers the groove 11, the ridge 19 is accommodated in the recess 23. The press imparting tool 30 gives an imparting force that presses the lid 20 in the direction of the groove 11 and is made of a leaf spring material that can be elastically deformed.
The optical fiber holding jig of the present invention configured as described above is employed in the optical fiber holding portions of various products shown in FIGS.

上記のように構成された光ファイバ保持具は、図３に示すように、クサビ７０を基材１０と蓋２０との間に押圧付与具３０が提する押圧付与力に抗して挿入することによって、溝１１と蓋２０とで構成される空間を広げ、光ファイバ６０を溝１１の長手方向に挿入し易くする。この状態で光ファイバ６０を溝１１の長手方向に沿って所定の位置まで挿入させる。この際、本構成の光ファイバ保持具は溝１１の両脇に凸条が形成されているので、図８に示すように、溝１１の両脇の平坦な部分Ａと蓋２０までの距離Ｂが光ファイバ６０の外径以上に離れても、凸条１９の存在によって光ファイバ６０が溝１１から外れてしまうことがない。さらにその凸条１９は溝に沿って連続的に形成されているので、光ファイバ６０を溝１１に沿って挿入する際にも溝１１の外側に突出してしまうことがない。このため、確実に光ファイバ６０を溝１１内に挿入することができる。   As shown in FIG. 3, the optical fiber holder configured as described above inserts the wedge 70 between the base material 10 and the lid 20 against the pressing force provided by the pressing device 30. As a result, the space formed by the groove 11 and the lid 20 is expanded, and the optical fiber 60 can be easily inserted in the longitudinal direction of the groove 11. In this state, the optical fiber 60 is inserted to a predetermined position along the longitudinal direction of the groove 11. At this time, since the optical fiber holder of this configuration has protrusions formed on both sides of the groove 11, as shown in FIG. 8, the distance B between the flat portion A on both sides of the groove 11 and the lid 20. Even if they are separated by more than the outer diameter of the optical fiber 60, the optical fiber 60 is not detached from the groove 11 due to the presence of the ridges 19. Further, since the ridges 19 are continuously formed along the groove, even when the optical fiber 60 is inserted along the groove 11, it does not protrude outside the groove 11. For this reason, the optical fiber 60 can be reliably inserted into the groove 11.

光ファイバ６０を溝１１内に予め定められた長さだけした後は、従来と同様に、クサビ７０を基材１０と蓋２０との間から抜き去る。これによって、基材１０と蓋２０との間隔が押圧付与具３０の提する押圧付与力によって狭められ、光ファイバ６０が溝１１内に保持・固定される。   After the optical fiber 60 is set in the groove 11 by a predetermined length, the wedge 70 is removed from between the base material 10 and the lid 20 as in the conventional case. Accordingly, the distance between the base material 10 and the lid 20 is narrowed by the pressing force provided by the pressing device 30, and the optical fiber 60 is held and fixed in the groove 11.

なお、上記実施例は本発明の一例を説明したものであるが、本発明は以下のように種々の変形例を採用することができる。
凸条１９はＰＰＳ（ポリフェニンレンサルファイド）やＥＰ（エポキシ）等のプラスチック材を用いて射出成形や切削加工等により基材１０と一体に形成されるのが望ましいが、本発明はこれに限定されるものではなく、後で溝１１の脇に形成するようにしても良い。
凸条１９は溝１１に沿って連続的に形成されるのが望ましいが、光ファイバ６０の挿入に差支えない範囲で、溝１１に沿って間欠的に配置するようにしても良い。
凸条１９は蓋２０が被る溝１１の全長に渡って形成するのが望ましいが、必ずしも溝１１の全長に渡って配置することなく、光ファイバ６０の挿入に差支えない範囲で溝１１の途中まで配置するようにしても良い。
上記実施は、押圧付与具３０によって蓋２０を溝１１方向に押圧する場合を説明しているが、本発明は図６に示す係止レバー１６と係止孔２１とが係合するロック機構を採用することや弾性変形可能な光ファイバ押え部材２２を採用することも可能である。 In addition, although the said Example demonstrated an example of this invention, this invention can employ | adopt various modifications as follows.
The ridges 19 are preferably formed integrally with the base material 10 by injection molding or cutting using a plastic material such as PPS (polyphenylene sulfide) or EP (epoxy), but the present invention is not limited to this. However, it may be formed on the side of the groove 11 later.
The ridges 19 are preferably formed continuously along the grooves 11, but may be intermittently disposed along the grooves 11 as long as the optical fiber 60 can be inserted.
The ridges 19 are preferably formed over the entire length of the groove 11 covered by the lid 20, but are not necessarily arranged over the entire length of the groove 11, and can be inserted into the middle of the groove 11 as long as the optical fiber 60 can be inserted. It may be arranged.
Although the said embodiment has demonstrated the case where the lid | cover 20 is pressed to the groove | channel 11 direction with the press provision tool 30, this invention is using the locking mechanism which the latching lever 16 and the latching hole 21 shown in FIG. 6 engage. It is also possible to employ an optical fiber pressing member 22 that can be adopted or elastically deformed.

本発明の一実施例を示す正面説明図。Front explanatory drawing which shows one Example of this invention. 本発明の一実施例を示す側面説明図。Side explanatory drawing which shows one Example of this invention. 本発明の一実施例における動作説明図。Operation | movement explanatory drawing in one Example of this invention. 従来の一例を示すもので、イは要部断面側面図、ロは横断面図。It shows an example of the prior art. A is a cross-sectional side view of the main part, and B is a cross-sectional view. 従来の他の例を示す斜視図。The perspective view which shows the other example of the past. 従来の更に他の例を示す斜視図。The perspective view which shows other conventional examples. 従来の更に他の例を示す斜視図。The perspective view which shows other conventional examples. 従来の一例における動作説明図。Operation | movement explanatory drawing in a conventional example. 従来の一例における更に他の動作説明図。Another operation explanatory view in a conventional example.

符号の説明Explanation of symbols

１０ 基材
１１ 溝
１９ 凸条
２０ 蓋
２３ 窪み
３０ 押圧付与具
６０ 光ファイバ
７０ クサビ DESCRIPTION OF SYMBOLS 10 Substrate 11 Groove 19 Projection 20 Lid 23 Depression 30 Pressing tool 60 Optical fiber 70 Wedge

Claims (5)

表面に光ファイバを収納する溝が形成された基材と、前記溝を覆うように前記基材に押圧して固定される蓋を備えており、前記溝内に配置される光ファイバを前記蓋の押圧により前記溝内に保持する光ファイバ保持具であって、
前記基材の前記溝の両側に、前記溝の両側壁の上端部から上方に向かって突出する凸条が、前記溝の長手方向に沿って形成されており、
前記蓋は、前記凸条に対応する位置に該凸条を収納する窪みを有することを特徴とする光ファイバ保持具。 A base material on which a groove for storing an optical fiber is formed on the surface; and a lid that is pressed and fixed to the base material so as to cover the groove; and the optical fiber disposed in the groove is the lid a by pressing the optical fiber holder for holding in the groove,
On both sides of the groove of the base material, ridges projecting upward from the upper ends of both side walls of the groove are formed along the longitudinal direction of the groove,
The optical fiber holder according to claim 1, wherein the lid has a recess for storing the ridge at a position corresponding to the ridge . 前記凸条の内側の側面が、前記溝の側壁面と段差を生じることなく連続して上方に突出するように、前記凸条が前記溝の両側に形成されていることを特徴とする請求項１に記載の光ファイバ保持具。 The ridges are formed on both sides of the groove so that the inner side surface of the ridge protrudes continuously upward without causing a step with the side wall surface of the groove. The optical fiber holder according to 1. 前記凸条は、前記溝の長手方向に該溝に沿って間欠的に設けられていることを特徴とする請求項１または２に記載の光ファイバ保持具。 The optical fiber holder according to claim 1 or 2, wherein the protrusions are provided intermittently along the groove in the longitudinal direction of the groove . 前記溝の両側に設けられる凸条は、楔が挿入される側の凸条が高く、他方の凸条が低い高さからなることを特徴とする請求項１乃至３の何れか１項に記載の光ファイバ保治具。 The ridge provided on both sides of the groove has a high ridge on the side where the wedge is inserted, and the other ridge has a low height. drop holder of the optical fiber. 前記基材と前記蓋は、断面がコの字型の抑え具により押圧固定されることを特徴とする請求項１乃至４のいずれか１項に記載の光ファイバ保持具。 The optical fiber holder according to any one of claims 1 to 4, wherein the base member and the lid are pressed and fixed by a U-shaped cross-section pressing member .
JP2005043955A 2005-02-21 2005-02-21 Optical fiber holder Expired - Fee Related JP4115454B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0996736A (en) * 1995-09-29 1997-04-08 Fujikura Ltd Switching device for optical fiber connector
JPH09197163A (en) * 1996-01-22 1997-07-31 Fujikura Ltd Optical fiber holder
JP3400663B2 (en) * 1996-12-16 2003-04-28 住友電気工業株式会社 Optical fiber connection member
JP3983377B2 (en) * 1998-05-14 2007-09-26 株式会社フジクラ Optical fiber connector
JP3794534B2 (en) * 1999-04-21 2006-07-05 古河電気工業株式会社 Optical fiber connector
JP3602432B2 (en) * 2000-11-24 2004-12-15 株式会社フジクラ Fiber holder and optical fiber clamping method
JP3745340B2 (en) * 2002-10-08 2006-02-15 株式会社フジクラ Optical fiber axial alignment method and apparatus, and optical fiber fusion splicing method and apparatus
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