JPH0686311U - Base with terminal - Google Patents
Base with terminalInfo
- Publication number
- JPH0686311U JPH0686311U JP3440693U JP3440693U JPH0686311U JP H0686311 U JPH0686311 U JP H0686311U JP 3440693 U JP3440693 U JP 3440693U JP 3440693 U JP3440693 U JP 3440693U JP H0686311 U JPH0686311 U JP H0686311U
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- core
- base
- coil
- guide
- terminal
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- Insulating Of Coils (AREA)
Abstract
(57)【要約】
【目的】 絶縁距離を十分にとり、絶縁確保ができ、規
定耐圧に十分合格する薄形トランス・チョークコイルの
端子付きベースを供すること。
【構成】 薄形トランス・チョークコイルの端子付きベ
ース1であって、ベースの4つのコイルガイド鍔13の
うち2個のコイルガイド鍔13の端部に堰堤状のガイド
19を築き、前記ガイドには複数の溝2を設け、一方ベ
ースの中央部を覆いかぶす絶縁カバー22をつくり、ベ
ースの4個のコイルガイド鍔13と、コア絶縁鍔12
と、コア中足絶縁鍔4と、コア中央ガイド鍔と、中央孔
7と前記溝2を有するガイドを覆う薄形トランス・チョ
ークコイルの端子付きベースである。
(57) [Summary] [Purpose] To provide a base with a thin transformer / choke coil terminal that has a sufficient insulation distance, ensures insulation, and passes the specified withstand voltage. [Structure] A thin transformer / choke coil terminal-equipped base 1 having a dam-shaped guide 19 at the end of two of the four coil guide collars 13 of the base. Is provided with a plurality of grooves 2, and on the other hand, an insulating cover 22 is formed to cover the central portion of the base, and the four coil guide flanges 13 of the base and the core insulating flange 12 are formed.
A core transformer insulating core 4, a core central guide collar, and a thin transformer / choke coil terminal base that covers the guide having the central hole 7 and the groove 2.
Description
【0001】[0001]
本考案は、トランス・チョークコイルの端子付きベースに関し特に薄型積層構 造トランス・チョークコイルのベース構造に関するものである。 The present invention relates to a base of a transformer / choke coil with terminals, and more particularly to a base structure of a thin laminated structure transformer / choke coil.
【0002】[0002]
従来のこの種の薄型トランスのベースの構造を図5、図6に示す。図5、図6 において、電気絶縁材よりなる長方形の平板状のベース21の中心に分割型の磁 気コア9、10の中足11を組み込む中心孔7と、磁気コア9、10との電気絶 縁のための両外側のコア絶縁鍔12、コイルガイド鍔13、及び中心孔7の周囲 にコア中足絶縁鍔4、コア中央ガイド鍔5を設けて、かつ長手方向の対向辺に複 数個の端子8を植設してベース21が構成されている。薄型トランスは、ベース 21に薄い電気絶縁フィルムの絶縁フィルム15、16で1ターンコイル銅板1 4、及び細線を渦巻状に巻回した空心コイル17を複数組合わせて、上下両方向 より高い比透磁率特性を有するE型の磁気コア9、10の中足11をベース21 の中心孔7に通し接合面を突合わせて、磁気コアを接着又は金具、テーピング等 で固定し組立て、その後端子8と、1ターンコイル銅板14及び空心コイル17 を半田付または溶接等により電気的に接続し、薄型トランスを形成している。 The structure of the base of a conventional thin transformer of this type is shown in FIGS. In FIG. 5 and FIG. 6, the electric power of the magnetic cores 9 and 10 with the central hole 7 in which the middle legs 11 of the split type magnetic cores 9 and 10 are installed in the center of the rectangular flat base 21 made of an electric insulating material. A core middle foot insulating collar 4 and a core center guide collar 5 are provided around the outer core insulating flanges 12, coil guide collars 13, and the center hole 7 for insulation, and multiple core insulating flanges are provided on opposite sides in the longitudinal direction. A base 21 is formed by implanting individual terminals 8. The thin transformer is a combination of a base 21, a single-turn coil copper plate 14 with thin insulating films 15 and 16 of an electrically insulating film, and a plurality of air-core coils 17 in which thin wires are wound in a spiral shape, and has a higher relative magnetic permeability in both upper and lower directions. Insert the middle legs 11 of the E-shaped magnetic cores 9 and 10 having the characteristics into the center hole 7 of the base 21 and butt the joint surfaces together, and then assemble the magnetic cores by bonding or fixing them with metal fittings, taping, etc. The one-turn coil copper plate 14 and the air-core coil 17 are electrically connected by soldering, welding or the like to form a thin transformer.
【0003】[0003]
従来この様な薄型積層構造のトランス・チョークコイルは複数の回路を形成す る空心コイルを積層し、各々リード線の端末をベースに設けてある端子に直接か らげて、リード線の端末を半田で固定を行っていた。その際半田仕上げの端子部 から別回路のコイルの先端部までの絶縁距離が少なく、耐圧不良が発生していた 。よって、絶縁距離を十分にとり、絶縁確保ができ、規定耐圧に十分合格できる 薄形トランス・チョークコイルの端子付きベースを提供することを目的とする。 In the conventional transformer / choke coil with such a thin laminated structure, air core coils forming a plurality of circuits are laminated, and the lead wire ends are directly connected to the terminals provided on the base. It was fixed with solder. At that time, the insulation distance from the solder-finished terminal to the tip of the coil of another circuit was small, and a withstand voltage failure occurred. Therefore, it is an object of the present invention to provide a thin transformer / choke coil terminal-equipped base capable of ensuring a sufficient insulation distance, ensuring insulation, and sufficiently passing a specified withstand voltage.
【0004】 すなわち従来の積層構造によるベース形状では、複数回路の場合、各回路のコ イルからでているリード線の端末は、別回路のコイルの上の面を通りベースに設 けられている端子に直接からげ、半田上げして固定していたために、コイル上面 をリード線が通る事に関しては、規定耐圧に合格し、絶縁確保が可能である巻線 材を使用する事にて問題はないが、半田を上げた端子部から前記巻線材を使用し ないコイルまででは規定耐圧及び絶縁確保ができない為、品質的に課題を生ずる 。That is, in the case of a base having a conventional laminated structure, in the case of a plurality of circuits, the terminal of the lead wire extending from the coil of each circuit is provided on the base through the surface above the coil of another circuit. As the lead wire passes through the top surface of the coil because it was entangled directly with the terminals and fixed by soldering, there is no problem with using a winding material that passes the specified withstand voltage and ensures insulation. However, there is a problem in terms of quality because the specified withstand voltage and insulation cannot be secured from the soldered terminal to the coil that does not use the winding material.
【0005】[0005]
本考案は、上記の課題を解決する為端子付きベースの上部に複数の溝部を設け たガイドを片側に設け、コイルガイド鍔と一体成形を行う。又、絶縁カバーとし ては、前記溝部を設けたガイド部を上面から覆う構造とする。前記端子付きベー スと絶縁カバーにて端子付きベースに複数回路の空芯コイルを積層組立を行い各 コイルのリード端末部を本考案のガイド部に設けた溝部を通し、絶縁カバーにて 上面から覆う事で、規定耐圧及び絶縁確保が可能となり、問題を解決し、品質を 向上させることができる。 In order to solve the above problems, the present invention provides a guide having a plurality of grooves on the upper side of a base with terminals on one side and integrally molds it with a coil guide collar. Further, the insulating cover has a structure in which the guide portion provided with the groove is covered from above. By stacking and assembling air core coils of multiple circuits on the base with terminals using the base with terminals and insulating cover, the lead end of each coil is passed through the groove provided in the guide part of the present invention, and from the top with the insulating cover. By covering it, the specified withstand voltage and insulation can be secured, problems can be solved and quality can be improved.
【0006】 即ち本考案は、電気絶縁材よりなる長方形の平板の中央に分割型のE型磁気コ アの中足を組込む中心孔と磁気コアとの絶縁のための鍔を設け、1ターンコイル 銅板と渦巻状に形成した空心コイルとを絶縁体を介挿して積層して前記中心孔に 分割型のE型磁気コアを組み込み形成してなる薄型トランスの端子付きベースに 於て、薄形トランスの端子付きベースに装着されるコイルをガイドするコイルガ イド鍔と、コアを絶縁するコア絶縁鍔と、コアの中足と装着し絶縁するコア中足 絶縁鍔と、コアの中足の側面をガイドするコア中央ガイド鍔とをカバーしつつ、 E形コアを装着する蓋状をした絶縁カバー及び、前記ベースの一方の2個のコイ ルガイド鍔の端部よりコイル端子を通す複数の溝を持つ堰堤状のガイドからなる ことを特徴とする薄形トランスの端子付きベースである。That is, the present invention provides a central hole of a rectangular flat plate made of an electrically insulating material with a center hole for incorporating a middle leg of a split type E-shaped magnetic core and a flange for insulating the magnetic core from each other. A thin transformer with a terminal base for a thin transformer, comprising a copper plate and an air-core coil formed in a spiral shape, laminated by interposing an insulator, and incorporating a split type E-shaped magnetic core in the central hole. Coil guide collar that guides the coil mounted on the base with terminals, core insulation collar that insulates the core, core middle foot insulation collar that is installed and insulated from the core foot, and guides the side of the core foot. The core-shaped guide collar that covers the core is covered with a cover-shaped insulating cover for mounting the E-shaped core, and a dam having a plurality of grooves for passing coil terminals from the ends of one of the two coil guide collars of the base. It consists of a guide It is a base with terminals of a thin transformer characterized by.
【0007】[0007]
図1に示すように、絶縁カバーは、蓋状の形をし、コアガイド26と、中心孔 ガイド溝23と、導出孔20とカバーガイド25とからなり、薄形トランスのベ ースのコイルガイド鍔13と、コア絶縁鍔12とコア中足絶縁鍔4と、コア中央 ガイド鍔5と、溝2を有するガイド19とをカバーしてE形のコアを上下から装 着し、規定耐圧に合格するために、コイルとの絶縁距離を確保するものである。 コイルガイド鍔13との間に複数の溝を有する堰堤状のガイド19は、コイルと 端子とに絶縁距離をとるためのものである。溝2はコイルを端子8に引き出すた めの溝であるが、堰堤状のガイド19はコイルがこのガイドを越える状態で、端 部にからげられるので、絶縁距離が大きくなり、規定耐圧に合格するようになる 。 As shown in FIG. 1, the insulating cover has a lid-like shape and includes a core guide 26, a center hole guide groove 23, a lead-out hole 20 and a cover guide 25, and is a thin transformer base coil. A guide collar 13, a core insulating collar 12, a core midfoot insulating collar 4, a core central guide collar 5, and a guide 19 having a groove 2 are covered to mount an E-shaped core from above and below to a specified withstand pressure. In order to pass the test, the insulation distance from the coil is secured. The dam-shaped guide 19 having a plurality of grooves between the coil guide collar 13 and the coil guide collar 13 serves to provide an insulation distance between the coil and the terminal. The groove 2 is a groove for pulling out the coil to the terminal 8, but the dam-like guide 19 is entangled at the end when the coil exceeds this guide, so the insulation distance increases and the specified withstand voltage is passed. Will come to do.
【0008】[0008]
図1は、本考案の絶縁カバー及び端子付きベースを示す斜視図。図2は、本考 案の実施例の絶縁カバーを装着した端子付きベースの斜視図。図3は、本考案の 絶縁カバーを装着した端子付きベースにE形コアをセットした状態を示す斜視図 。図4は、本考案の端子付きベースの一次側コイル及び二次側コイルのコイル端 末の絶縁距離を確保している状態を示す説明図で、図4の(a)は本考案の一次 及び二次側コイルのコイル端末の絶縁距離確保の状態を示す端子付きベースの拡 大断面図、図4の(b)は図4の(a)の絶縁距離を矢印で示す拡大説明図。 FIG. 1 is a perspective view showing an insulating cover and a base with terminals of the present invention. FIG. 2 is a perspective view of a terminal-equipped base with an insulating cover according to an embodiment of the present invention. FIG. 3 is a perspective view showing a state in which the E-shaped core is set on the base with terminals equipped with the insulating cover of the present invention. FIG. 4 is an explanatory view showing a state where the insulation distance between the coil ends of the primary side coil and the secondary side coil of the terminal-equipped base of the present invention is secured, and FIG. 4 (a) shows the primary and secondary sides of the present invention. The expanded sectional view of the base with a terminal which shows the state of ensuring the insulation distance of the coil end of the secondary coil, and FIG. 4B is an enlarged explanatory view showing the insulation distance of FIG.
【0009】 本考案の端子付きベースは、薄形トランスチョークコイル等に使用される端子 付きベースで、磁気コアのE形フェライトコアにより、端子付きベースを挟むよ うに装着される。図1に示すように、端子付きベースは、電気絶縁材よりなる長 方形の平板状のベース1であって、ベースの中心に分割型の磁気コア9、10( 図3参照)の中足を組み込む中心孔7と磁気コアとの電気絶縁のために、両外側 のコア絶縁鍔12、コイルガイド鍔13、及び中心孔7の周囲にコア中足絶縁鍔 4、コア中央ガイド鍔5を設けてある。かつ長手方向の対向辺に複数の端子8を 植設しているが、コイルガイド鍔13の一方の端部に堰堤状のガイド19を端子 付きベースに設けた。The base with a terminal of the present invention is a base with a terminal used for a thin transformer choke coil or the like, and is mounted so that the E-shaped ferrite core of the magnetic core sandwiches the base with a terminal. As shown in FIG. 1, the terminal-equipped base is a rectangular flat plate-shaped base 1 made of an electrically insulating material, and the middle legs of the split-type magnetic cores 9 and 10 (see FIG. 3) are placed at the center of the base. In order to electrically insulate the built-in central hole 7 and the magnetic core, a core insulating flange 12, coil guide flanges 13 on both outer sides, and a core inner leg insulating flange 4 and a core central guide flange 5 are provided around the central hole 7. is there. In addition, a plurality of terminals 8 are planted on opposite sides in the longitudinal direction, and a dam-shaped guide 19 is provided on the terminal-equipped base at one end of the coil guide collar 13.
【0010】 前記の複数の溝2を有する堰堤状のガイド19を持つ端子付きベースの中央、 即ち4個のコイルガイド鍔13と、2個のコア絶縁鍔12と、コア中足絶縁鍔4 と、コア中央ガイド鍔5と、中央孔7と、この複数の溝2を有する堰堤状のガイ ドとをカバーする絶縁カバー22は薄形トランス・チョークコイルの端子付きベ ースの中央に装着される。At the center of the terminal-equipped base having the dam-like guide 19 having the plurality of grooves 2, that is, four coil guide flanges 13, two core insulating flanges 12, and a core midfoot insulating flange 4. An insulating cover 22 for covering the core central guide collar 5, the central hole 7, and the dam-shaped guide having the plurality of grooves 2 is attached to the center of the terminal-based base of the thin transformer / choke coil. It
【0011】 絶縁カバー22は、前記のように端子付きベースの中央の部分をいっぱいにカ バーして、端子付きベースに装着され、絶縁カバー22の形状は、端子付きベー スをカバーする蓋状の形になっている。2個のコアガイド26はE形の磁気コア を装着出来るようにその両端部にカバーガイド25を有し、そのカバーガイド2 5は4個のコイルガイド鍔13をカバーする蓋になっていて、コイルの端末を引 き出すための導出孔20を有する。The insulating cover 22 is mounted on the terminal-equipped base by covering the central portion of the terminal-equipped base as described above, and the insulating cover 22 has a lid-like shape that covers the terminal-equipped base. Is in the form of. The two core guides 26 have cover guides 25 at both ends so that an E-shaped magnetic core can be mounted, and the cover guides 25 are lids for covering the four coil guide collars 13. It has a lead-out hole 20 for pulling out the end of the coil.
【0012】 図2に絶縁カバー22が端子付きベースの中央部をカバーした状態を示してい る。さらに絶縁カバー22は、ベースの中心孔をカバーし、コアの中足を挿入す る中心孔ガイド溝23を形成して、コア挿入溝3とカバーガイド25とに段差を 形成して、E形磁気コアを装着できるように中心孔ガイド溝23と、カバーガイ ドと、コアガイド26とを設けている。導出孔20は端子にからげるコイルを引 き出すものである。FIG. 2 shows a state in which the insulating cover 22 covers the central portion of the base with terminals. Further, the insulating cover 22 covers the center hole of the base, forms a center hole guide groove 23 into which the middle foot of the core is inserted, and forms a step between the core insertion groove 3 and the cover guide 25 to form an E shape. A center hole guide groove 23, a cover guide, and a core guide 26 are provided so that the magnetic core can be mounted. The lead-out hole 20 is for pulling out a coil that extends from the terminal.
【0013】 図3に示すように、前記端子付きベース1に絶縁カバー22をかぶせてE形の 2個の磁気コア9、10を装着してなるトランス・チョークコイルである。As shown in FIG. 3, this is a transformer / choke coil in which two E-shaped magnetic cores 9 and 10 are mounted on the base 1 with terminals by covering the insulating cover 22.
【0014】 図4は本考案の端子付きベースの一次側コイル及び二次側コイルのコイルの端 末を引き出し、ベースの端子にコイル端末をからげた状態を示している。図4( a)は、電気絶縁材からなる絶縁カバーが一次側コイル及び二次側コイルを覆い 、E形磁気コアを絶縁し、さらに一次側コイル及び二次側コイルのコイル端末が ガイド19の溝2を通るために、端子からの距離を有利に確保できることを示し ている。すなわち図4(b)はガイド19の溝2をコイル端末が通過するために 絶縁距離がガイド19の内側面の絶縁距離cと、ガイドの厚みdと、さらにガイ ドの溝部から絶縁カバーの導出孔20までの空間距離gと、ほぼガイドから端子 部までの距離fを加えた距離が絶縁距離となって十分な絶縁距離の確保ができる 。FIG. 4 shows a state in which the ends of the primary side coil and the secondary side coil of the base with a terminal of the present invention are pulled out, and the coil ends are bent from the terminals of the base. In FIG. 4 (a), an insulating cover made of an electrically insulating material covers the primary side coil and the secondary side coil to insulate the E-shaped magnetic core, and the coil ends of the primary side coil and the secondary side coil are guides 19. It is shown that the distance from the terminal can be advantageously ensured in order to pass through the groove 2. That is, FIG. 4B shows that the insulation distance is the insulation distance c of the inner surface of the guide 19, the thickness d of the guide, and the guiding of the insulation cover from the groove of the guide because the coil end passes through the groove 2 of the guide 19. The insulation distance is the sum of the space distance g to the hole 20 and the distance f from the guide to the terminal portion, and a sufficient insulation distance can be secured.
【0015】[0015]
以上述べたように、複数回路の空芯コイルを積層してなる薄形トランス・チョ ークコイルの端子付きベースに、各コイルの端末部を本考案のガイドに設けた溝 を通し、端子付きベースに絶縁カバーを覆いかぶせることにより規定耐圧及び絶 縁確保が可能となり、薄形トランス・チョークコイルの品質を向上することがで きた。 As described above, the terminal of each coil is passed through the groove provided in the guide of the present invention to the base with terminals of thin transformer choke coil that is formed by stacking air core coils of multiple circuits, and then the base with terminals is formed. By covering the insulation cover, the specified withstand voltage and insulation can be secured, and the quality of thin transformers and choke coils has been improved.
【図1】本考案の絶縁カバー及び端子付きベースを示す
斜視図。FIG. 1 is a perspective view showing an insulating cover and a base with terminals of the present invention.
【図2】本考案の実施例の絶縁カバーを装着した端子付
きベースの斜視図。FIG. 2 is a perspective view of a base with a terminal equipped with an insulating cover according to an embodiment of the present invention.
【図3】本考案の絶縁カバーを装着した端子付きベース
にE形磁気コアを装着した状態を示す斜視図。FIG. 3 is a perspective view showing a state in which an E-shaped magnetic core is attached to a base with terminals to which the insulating cover of the present invention is attached.
【図4】本考案の端子付きベースの一次側コイル及び二
次側コイルのコイル端末の絶縁距離を確保している状態
を示す説明図で、図4(a)は本考案の一次及び二次側
コイルのコイル端末の絶縁距離確保の状態を示す端子付
きベースの拡大断面図、図4(b)は図4(a)の絶縁
距離を矢印で示す拡大説明図。FIG. 4 is an explanatory view showing a state where the insulation distance between the coil ends of the primary side coil and the secondary side coil of the terminal-equipped base of the present invention is secured, and FIG. 4 (a) shows the primary and secondary sides of the present invention. FIG. 4B is an enlarged cross-sectional view of the base with terminal showing a state where the insulation distance of the coil end of the side coil is secured, and FIG. 4B is an enlarged explanatory view showing the insulation distance of FIG. 4A by arrows.
【図5】従来の端子付きベースの斜視図。FIG. 5 is a perspective view of a conventional base with terminals.
【図6】従来の端子付きベースの分解斜視図。FIG. 6 is an exploded perspective view of a conventional base with terminals.
1 端子付きベース 2 溝 3 コア挿入溝 4 コア中足絶縁鍔 5 コア中央ガイド鍔 6 コアガイド鍔 7 中心孔 8 端子 9 磁気コア 10 磁気コア 11 中足 12 コア絶縁鍔 13 コイルガイド鍔 14 コイル銅板 14a 端子穴 15 絶縁フィルム 16 絶縁フィルム 17 空心コイル 19 ガイド 20 導出孔 21 ベース 22 絶縁カバー 23 中心孔ガイド溝 24 コイル端末 25 カバーガイド 26 コアガイド 1 Base with Terminal 2 Groove 3 Core Insertion Groove 4 Core Middle Foot Insulation Tsuba 5 Core Center Guide Tsuba 6 Core Guide Tsuba 7 Center Hole 8 Terminal 9 Magnetic Core 10 Magnetic Core 11 Middle Foot 12 Core Insulation Tsuba 13 Coil Guide Tsuba 14 Coil Copper Plate 14a Terminal hole 15 Insulating film 16 Insulating film 17 Air core coil 19 Guide 20 Outlet hole 21 Base 22 Insulation cover 23 Center hole guide groove 24 Coil terminal 25 Cover guide 26 Core guide
Claims (1)
に分割型のE型磁気コアの中足を組込む中心孔と磁気コ
アとの絶縁のための鍔を設け、1ターンコイル銅板と渦
巻状に形成した空心コイルとを絶縁体を介挿して積層し
て前記中心孔に分割型のE型磁気コアを組み込み形成し
てなる薄型トランスの端子付きベースに於て、薄形トラ
ンスの端子付きベースに装着されるコイルをガイドする
コイルガイド鍔と、コアを絶縁するコア絶縁鍔と、コア
の中足と装着し絶縁するコア中足絶縁鍔と、コアの中足
の側面をガイドするコア中央ガイド鍔とをカバーしつ
つ、E形コアを装着する蓋状をした絶縁カバー及び、前
記ベースの一方の2個のコイルガイド鍔の端部よりコイ
ル端子を通す複数の溝を持つ堰堤状のガイドからなるこ
とを特徴とする薄形トランスの端子付きベース。1. A rectangular flat plate made of an electrically insulating material is provided with a central hole into which a middle leg of a split type E-shaped magnetic core is incorporated and a flange for insulation between the magnetic core and a one-turn coil copper plate and a spiral shape. In the base with terminal of thin transformer, the base with terminal of thin transformer is formed by inserting the coreless coil formed in Coil guide collar that guides the coil that is mounted on the core, core insulating collar that insulates the core, core middle leg insulating collar that attaches and insulates the core foot, and core center guide that guides the side of the core foot From a cover-shaped insulating cover for mounting the E-shaped core while covering the tsuba, and a dam-shaped guide having a plurality of grooves for passing coil terminals from one end of the two coil guide tsuba of the base. Thin type that is characterized by Base with lance terminal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1993034406U JP2595263Y2 (en) | 1993-05-31 | 1993-05-31 | Base with terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1993034406U JP2595263Y2 (en) | 1993-05-31 | 1993-05-31 | Base with terminal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0686311U true JPH0686311U (en) | 1994-12-13 |
JP2595263Y2 JP2595263Y2 (en) | 1999-05-24 |
Family
ID=12413313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1993034406U Expired - Fee Related JP2595263Y2 (en) | 1993-05-31 | 1993-05-31 | Base with terminal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2595263Y2 (en) |
-
1993
- 1993-05-31 JP JP1993034406U patent/JP2595263Y2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2595263Y2 (en) | 1999-05-24 |
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