JP2009163996A - Receptacle plug of power supply cable - Google Patents

Receptacle plug of power supply cable Download PDF

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Publication number
JP2009163996A
JP2009163996A JP2008000915A JP2008000915A JP2009163996A JP 2009163996 A JP2009163996 A JP 2009163996A JP 2008000915 A JP2008000915 A JP 2008000915A JP 2008000915 A JP2008000915 A JP 2008000915A JP 2009163996 A JP2009163996 A JP 2009163996A
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terminal
power cable
plug
screw
receiving hole
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JP2008000915A
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Japanese (ja)
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Makoto Hashimoto
誠 橋本
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Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
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Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
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Priority to JP2008000915A priority Critical patent/JP2009163996A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To enable to remove a receptacle plug from a power supply cable easily, and connect the power supply cable to a terminal stand when a necessity to connect the power supply cable to the terminal stand arises. <P>SOLUTION: The receptacle plug 1 is equipped with a plurality of plug pins 2, 3, 4, and a mold part 5 molded by integrally assembling the plurality of these plug pins by an insert molding, and used by being mounted on the tip part of the power supply cable 101. The mold part 5 is equipped with terminal housing parts 12, 13, 14 in which by inserting connecting terminals 105, 106, 107 of the power supply cable 101, these connecting terminals are superposed on terminal connecting parts 2a, 3a, 4a of the plug pins 2, 3, 4, an opening part 15 in which the connecting terminals 105, 106, 107 are inserted into these terminal housing parts, and screw holes 32, 33, 34 to screw screws 22, 23, 24 to couple the connecting terminals of the power supply cable with the terminal connecting parts of the plug pins in the terminal housing parts. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、電気機器に電源電流を供給する電源ケーブルのコンセントプラグに関するものである。   The present invention relates to an outlet plug of a power cable for supplying a power source current to an electric device.

電源ケーブルのコンセントプラグは、複数のプラグピンと、これら複数のプラグピンをインサート成形したモールド部と、を備えている。従来の電源ケーブルのコンセントプラグは、専ら電気機器のコンセントに抜き差しすることを目的とし、コンセントプラグを電源ケーブルから取り外して電源ケーブルをコンセントプラグに接続する場合を考慮する必要性は乏しいものとして、コンセントプラグは電源ケーブルの先端部に一体不可分、すなわち着脱不能に設けられている。（例えば、特許文献１参照）
特開２０００−１６４３０６ The outlet plug of the power cable includes a plurality of plug pins and a mold part in which the plurality of plug pins are insert-molded. Conventional power cable outlet plugs are intended only for plugging and unplugging of electrical equipment, and there is little need to consider when removing the outlet plug from the power cable and connecting the power cable to the outlet plug. The plug is provided inseparably at the front end of the power cable, that is, not detachable. (For example, see Patent Document 1)
JP 2000-164306 A

このため、上記電源ケーブルを端子台に接続する必要が生じた場合には、電源ケーブルからコンセントプラグを切断し、電源ケーブルの先端部に丸型圧着端子等を取り付ける等して端子台に接続しなければならないため次に述べるような問題点があった。
（１）電源ケーブルを加工するための加工工程が必要となりコストが増大する。また電源ケーブル加工時に加工内容を確認するための図面等が必要になる場合がある。
（２）端子台に接続する加工が容易にできない場合には、電源ケーブルを再注文しなければならない場合がある。 For this reason, when it is necessary to connect the power cable to the terminal block, cut the outlet plug from the power cable and connect it to the terminal block by attaching a round crimp terminal to the tip of the power cable. Because of this, there were the following problems.
(1) A processing step for processing the power cable is required, and the cost increases. Further, there may be a case where a drawing or the like for confirming the processing content is required when processing the power cable.
(2) If processing to connect to the terminal block is not easy, the power cable may have to be reordered.

本発明の目的は、電源ケーブルへの着脱を容易に行うことができ、従って、電源ケーブルを端子台へ接続する必要が生じたときには、電源ケーブルから容易に取り外して電源ケーブルを端子台に接続することを可能にした電源ケーブルのコンセントプラグを提供することにある。   The object of the present invention can be easily attached to and detached from the power cable. Therefore, when it is necessary to connect the power cable to the terminal block, the power cable is easily detached from the power cable and connected to the terminal block. It is to provide an outlet plug of a power cable that makes it possible.

請求項１の発明は、複数のプラグピンと、これら複数のプラグピンをインサート成形により一体的に組み付けて成形したモールド部と、を備え、電源ケーブルの先端部に取り付けられて使用されるコンセントプラグにおいて
上記モールド部に、電源ケーブルの接続端子を挿入することにより該接続端子を上記プラグピンの端子接続部（ケーブル接続部）上に重ね合わせる端子収納部と、該端子収納部に上記接続端子を挿入する開口部と、上記端子収納部において上記電源ケーブルの接続端子を上記プラグピンの端子接続部に連結するネジを螺合するネジ穴と、を設けた。 The invention according to claim 1 is an outlet plug that includes a plurality of plug pins and a molded portion that is formed by integrally assembling the plurality of plug pins by insert molding, and is used by being attached to a distal end portion of a power cable. A terminal housing part for superimposing the connection terminal on the terminal connection part (cable connection part) of the plug pin by inserting the connection terminal of the power cable into the mold part, and an opening for inserting the connection terminal into the terminal storage part And a screw hole for screwing a screw for connecting the connection terminal of the power cable to the terminal connection part of the plug pin in the terminal storage part.

請求項２の発明は、請求項１の電源ケーブルのコンセントプラグにおいて、上記プラグピンに、上記モールド部に埋め込まれている部分に上記ネジ穴に重なる第１のネジ受け孔を設け、上記ケーブルの接続端子に、上記第１のネジ受け孔に重なる第２のネジ受け孔を設け、上記モールド部に、内端が上記第２のネジ受け孔に重なり、外端がモールド部外面に開口する第３のネジ受け孔と、を設けた。   According to a second aspect of the present invention, in the outlet plug of the power cable of the first aspect, the plug pin is provided with a first screw receiving hole that overlaps the screw hole in a portion embedded in the mold portion, and the connection of the cable The terminal is provided with a second screw receiving hole that overlaps the first screw receiving hole, and a third portion in which the inner end overlaps the second screw receiving hole and the outer end opens on the outer surface of the mold portion. Screw receiving holes.

請求項３の発明は、請求項２の電源ケーブルのコンセントプラグにおいて、上記第３のネジ受け孔に、上記ネジを上記ネジ穴に螺合された上記ネジの頭部を覆い隠す絶縁キャップを着脱可能に取り付けた。   According to a third aspect of the present invention, in the outlet plug of the power cable according to the second aspect, an insulating cap that covers the head of the screw screwed into the screw hole is attached to and detached from the third screw receiving hole. Installed as possible.

（１）請求項１の電源ケーブルのコンセントプラグは、モールド部の開口部から端子収納部に電源ケーブルの接続端子を挿入し、該接続端子をプラグピンの端子接続部上に重ね合わせてネジ螺合部にネジを螺合することにより電源ケーブルの接続端子をプラグピンの端子接続部に接続することができる。また、上記ネジを外してコンセントプラグを引き抜けば、コンセントプラグは電源ケーブルから取り外されて電源ケーブルの接続端子は露出した状態になるので、これを端子台へ容易に接続することができる。
（２）請求項２の電源ケーブルのコンセントプラグは、モールド部の端子収納部に電源ケーブルの接続端子を挿入すれば、該接続端子に設けた第２のネジ受け孔がプラグピンの第１のネジ受け孔に重なるので、ネジをモールド部に設けた第３のネジ受け孔、接続端子に設けた第２のネジ受け孔、プラグピンに設けた第１のネジ受け孔を介して（通して）モールド部に設けたネジ穴に螺合することにより、電源ケーブルの接続端子を簡単かつ容易にプラグピンの端子接続部に接続することができる。
（３）請求項３の電源ケーブルのコンセントプラグは、上記第３のネジ受け孔の開口部に絶縁キャップを着脱可能に取り付けて上記ネジの頭部を覆い隠したので上記ネジが金属等の導電性素材で作られたものであっても安全性を確保することができる。 (1) According to the first aspect of the present invention, the outlet plug of the power cable has the connection terminal of the power cable inserted into the terminal housing from the opening of the mold, and the connection terminal is overlapped on the terminal connection of the plug pin and screwed. The connection terminal of the power cable can be connected to the terminal connection part of the plug pin by screwing the screw into the part. Further, when the screw is removed and the outlet plug is pulled out, the outlet plug is removed from the power cable and the connection terminal of the power cable is exposed, so that it can be easily connected to the terminal block.
(2) In the outlet plug of the power cable according to the second aspect, when the connection terminal of the power cable is inserted into the terminal housing part of the mold part, the second screw receiving hole provided in the connection terminal is the first screw of the plug pin. Since it overlaps the receiving hole, the mold is inserted through (through) the third screw receiving hole provided in the mold part, the second screw receiving hole provided in the connection terminal, and the first screw receiving hole provided in the plug pin. By screwing into a screw hole provided in the portion, the connection terminal of the power cable can be easily and easily connected to the terminal connection portion of the plug pin.
(3) Since the outlet plug of the power cable according to claim 3 has an insulating cap detachably attached to the opening of the third screw receiving hole so as to cover the head of the screw, the screw is electrically conductive such as metal. Safety can be ensured even if it is made of sex material.

図１は電源ケーブル１０１に取り付けた単相用のコンセントプラグ１の平面図、図２は底面図、図３は電源ケーブル１０１からコンセントプラグ１を取り外した状態の平面図、図４は要部の断面図、図５はコンセントプラグ１の断面図、図６〜図９は電源ケーブル１０１へのコンセントプラグ１の組付工程図である。   1 is a plan view of a single-phase outlet plug 1 attached to a power cable 101, FIG. 2 is a bottom view, FIG. 3 is a plan view of the power cable 101 with the outlet plug 1 removed, and FIG. FIG. 5 is a sectional view of the outlet plug 1, and FIGS. 6 to 9 are assembly process diagrams of the outlet plug 1 to the power cable 101.

図１〜図３に示すように、コンセントプラグ１は、Ｇ，Ｕ，Ｖ極の３つのプラグピン２，３，４と、これらのプラグピン２，３，４をインサート成形したモールド部５と、を備えている。   As shown in FIGS. 1 to 3, the outlet plug 1 includes three plug pins 2, 3, 4 having G, U, and V poles, and a mold portion 5 in which these plug pins 2, 3, 4 are insert-molded. I have.

図４,図５に示すように、モールド部５は、電源ケーブル１０１の各線１０２，１０３，１０４の接続端子１０５，１０６，１０７(図３参照）を上記プラグピン２，３，４の端子接続部（ケーブル接続部）２ａ，３ａ，４ａ上に重ね合わせた状態で収容する端子収納部１２，１３，１４と、これら端子収納部１２，１３，１４に上記接続端子１０５，１０６，１０７を挿入する開口部１５と、上記端子収納部１２，１３，１４において上記電源ケーブル１０１の接続端子１０５，１０６，１０７を上記プラグピン２，３，４の端子接続部２ａ，３ａ，４ａに連結するネジ２２，２３，２４を螺合するネジ穴３２，３３，３４と、を備えている。   As shown in FIGS. 4 and 5, the molded portion 5 is formed by connecting the connection terminals 105, 106, and 107 (see FIG. 3) of the wires 102, 103, and 104 of the power cable 101 to the terminal connection portions of the plug pins 2, 3, and 4. (Cable connecting portion) Terminal accommodating portions 12, 13, and 14 accommodated in a state of being superimposed on 2a, 3a, and 4a, and the connecting terminals 105, 106, and 107 are inserted into these terminal accommodating portions 12, 13, and 14. Screws 22 for connecting the connection terminals 105, 106, 107 of the power cable 101 to the terminal connection parts 2a, 3a, 4a of the plug pins 2, 3, 4 in the opening 15 and the terminal storage parts 12, 13, 14 And screw holes 32, 33, 34 for screwing 23, 24.

図６，図７に示すように、上記端子接続部２ａ，３ａ，４ａには上記ネジ穴３２，３３，３４に連なる第１のネジ受け孔４１が設けられている。電源ケーブル１０１の接続端子１０５，１０６，１０７には、上記第１のネジ受け孔４１に連なる第２のネジ受け孔４２が設けられている。また、モールド部５には、内端が上記第２のネジ受け孔４２に連なり、外端がモールド部外面に開口する第３のネジ受け孔４３が設けられている。   As shown in FIGS. 6 and 7, the terminal connection portions 2a, 3a, 4a are provided with a first screw receiving hole 41 continuous with the screw holes 32, 33, 34. The connection terminals 105, 106, and 107 of the power cable 101 are provided with a second screw receiving hole 42 that is continuous with the first screw receiving hole 41. The mold portion 5 is provided with a third screw receiving hole 43 whose inner end is connected to the second screw receiving hole 42 and whose outer end is open to the outer surface of the mold portion.

図４に示すように、第３のネジ受け孔４３には絶縁キャップ４４が着脱可能に取り付けられる。絶縁キャップ４４は、第３のネジ受け孔４３と略同径に形成された小径部４５と、第３のネジ受け孔４３よりも大径に形成されたフランジ部４６と、を備えている。上記絶縁キャップ４４は、取り付けた時にフランジ部４６がモールド部５の外面に当接して必要以上に第３のネジ受け孔４３内に入り込まないようになっているとともに、コンセントプラグ１からの取り外しをフランジ部４６によって容易に行うことが可能になっている。   As shown in FIG. 4, an insulating cap 44 is detachably attached to the third screw receiving hole 43. The insulating cap 44 includes a small-diameter portion 45 formed substantially the same diameter as the third screw receiving hole 43 and a flange portion 46 formed larger in diameter than the third screw receiving hole 43. When the insulating cap 44 is attached, the flange portion 46 abuts against the outer surface of the mold portion 5 so that it does not enter the third screw receiving hole 43 more than necessary, and the insulating cap 44 can be removed from the outlet plug 1. It can be easily performed by the flange portion 46.

次に、コンセントプラグ１を電源ケーブル１０１に取り付ける方法を図６〜図９を参照して説明する。   Next, a method of attaching the outlet plug 1 to the power cable 101 will be described with reference to FIGS.

先ず、図６に示すように、電源ケーブル１０１の接続端子１０５，１０６，１０７の先端を上記開口部１５からモールド部５内に差し込んで、これら接続端子１０５，１０６，１０７の先端を端子収納部１２，１３，１４の入口に位置させる。そして、図７に示すように、電源ケーブル１０１の設けた線収束部１０８の先端部１０９を上記コンセントプラグ１の開口部１５内に挿入すると、上記接続端子１０５，１０６，１０７は、端子収納部１２，１３，１４内に押し込まれた状態になって、これら接続端子１０５，１０６，１０７の第２のネジ受け孔４２がプラグピン２，３，４の端子接続部２ａ，３ａ，４ａの第１のネジ受け孔４１に連なった（重なった）状態になる。   First, as shown in FIG. 6, the tips of the connection terminals 105, 106, and 107 of the power cable 101 are inserted into the mold portion 5 through the opening 15, and the tips of the connection terminals 105, 106, and 107 are inserted into the terminal storage portion. It is located at the entrance of 12,13,14. Then, as shown in FIG. 7, when the tip 109 of the line converging part 108 provided with the power cable 101 is inserted into the opening 15 of the outlet plug 1, the connection terminals 105, 106, 107 are connected to the terminal storage part. The second screw receiving holes 42 of the connection terminals 105, 106, and 107 are pushed into the terminals 12, 13, and 14, and the first connection terminals 2 a, 3 a, and 4 a of the plug pins 2, 3, and 4 are connected. The screw receiving hole 41 is connected (overlapped).

そこで、図８に示すように、ネジ２２を第３のネジ受け孔４３から挿入して先端部を上記ネジ穴３２に螺合して締め付ければ、ネジ２２の頭部２２ａで電源ケーブル１０１の接続端子１０５は、プラグピン２の端子接続部２ａに押し付けられて、電源ケーブル１０１の接続端子１０５とプラグピン２の端子接続部２ａは接続される。同様にして、ネジ２３で電源ケーブル１０１の接続端子１０６とプラグピン３の端子接続部３ａは接続され、ネジ２４で電源ケーブル１０１の接続端子１０７とプラグピン４の端子接続部４ａは接続される。   Therefore, as shown in FIG. 8, when the screw 22 is inserted from the third screw receiving hole 43 and the tip portion is screwed into the screw hole 32 and tightened, the head 22 a of the screw 22 is connected to the power cable 101. The connection terminal 105 is pressed against the terminal connection portion 2a of the plug pin 2, and the connection terminal 105 of the power cable 101 and the terminal connection portion 2a of the plug pin 2 are connected. Similarly, the connection terminal 106 of the power cable 101 and the terminal connection portion 3a of the plug pin 3 are connected by the screw 23, and the connection terminal 107 of the power cable 101 and the terminal connection portion 4a of the plug pin 4 are connected by the screw 24.

そして、図９に示すように、上記第３のネジ受け孔４３に絶縁キャップ４４を着脱可能に取り付けて、ネジの頭部を覆い隠すことにより、ネジが金属等の導電性素材で作られたものであっても安全性を確保する。なお、図示は省略したが、コンセントプラグ１には電源ケーブル係止部が設けられていて、電源ケーブル１０１の収束部１０８の先端部１０９を上記コンセントプラグ１の開口部１５内に挿入したときに、上記電源ケーブル係止部が電源ケーブル１０１に係合して、コンセントプラグ１は電源ケーブル１０１から容易に脱落することのないようになっている。   Then, as shown in FIG. 9, an insulating cap 44 is detachably attached to the third screw receiving hole 43, and the screw is made of a conductive material such as metal by covering the head of the screw. Even if it is a thing, ensure safety. Although not shown, the outlet plug 1 is provided with a power cable locking portion, and when the leading end 109 of the converging portion 108 of the power cable 101 is inserted into the opening 15 of the outlet plug 1. The power cable locking portion engages with the power cable 101 so that the outlet plug 1 is not easily detached from the power cable 101.

また、逆に、電源ケーブル１０１からコンセントプラグ１を取り外す作業は次の順序で行われる。先ず、絶縁キャップ４４を取り外して、ネジ２２，２３，２４をネジ穴３２，３３，３４から抜き出して、電源ケーブル１０１の接続端子１０５〜１０７とプラグピン２〜４の端子接続部２ａ〜４ａの接続を解除した状態にする。そして、上記電源ケーブル係止部による電源ケーブル１０１とコンセントプラグ１の係合を解除して、コンセントプラグ１を電源ケーブル１０１から引き抜けば、図３に示すように電源ケーブル１０１の接続端子１０５，１０６，１０７が露出する。従って、これら接続端子１０５，１０６，１０７を端子台等に容易に接続することが可能になる。   Conversely, the work of removing the outlet plug 1 from the power cable 101 is performed in the following order. First, the insulating cap 44 is removed, the screws 22, 23, and 24 are extracted from the screw holes 32, 33, and 34, and the connection terminals 105 to 107 of the power cable 101 and the terminal connection portions 2a to 4a of the plug pins 2 to 4 are connected. Set to the state in which is released. Then, when the engagement between the power cable 101 and the outlet plug 1 by the power cable locking portion is released and the outlet plug 1 is pulled out of the power cable 101, as shown in FIG. 106 and 107 are exposed. Therefore, these connection terminals 105, 106, and 107 can be easily connected to a terminal block or the like.

コンセントプラグの使用状態の平面図。The top view of the use condition of an outlet plug. コンセントプラグの使用状態の底面図。The bottom view of the use state of an outlet plug. 電源ケーブルからコンセントプラグを取り外した状態の平面図。The top view of the state which removed the outlet plug from the power cable. コンセントプラグの使用状態の要部の断面図。Sectional drawing of the principal part of the use condition of an outlet plug. コンセントプラグの要部の断面図。Sectional drawing of the principal part of an outlet plug. 電源ケーブルへのコンセントプラグの組付工程図。The assembly process figure of the outlet plug to a power cable. 電源ケーブルへのコンセントプラグの組付工程図。The assembly process figure of the outlet plug to a power cable. 電源ケーブルへのコンセントプラグの組付工程図。The assembly process figure of the outlet plug to a power cable. 電源ケーブルへのコンセントプラグの組付工程図。The assembly process figure of the outlet plug to a power cable.

符号の説明Explanation of symbols

１…コンセントプラグ、２，３，４…プラグピン、２ａ，３ａ，４ａ…端子接続部（ケーブル接続部）、５…モールド部、１２，１３，１４…端子収納部、１５…開口部、２２，２３，２４…ネジ、３２，３３，３４…ネジ穴、４１…第１のネジ受け孔、４２…第２のネジ受け孔、４３…第３のネジ受け孔、４４…絶縁キャップ、４５…小径部、４５…フランジ部、１０１…電源ケーブル、１０５，１０６，１０７…接続端子。   DESCRIPTION OF SYMBOLS 1 ... Outlet plug, 2, 3, 4 ... Plug pin, 2a, 3a, 4a ... Terminal connection part (cable connection part), 5 ... Mold part, 12, 13, 14 ... Terminal storage part, 15 ... Opening part, 22, 23, 24 ... Screw, 32, 33, 34 ... Screw hole, 41 ... First screw receiving hole, 42 ... Second screw receiving hole, 43 ... Third screw receiving hole, 44 ... Insulating cap, 45 ... Small diameter 45, flange, 101 ... power cable, 105, 106, 107 ... connection terminal.

Claims (3)

複数のプラグピンと、これら複数のプラグピンをインサート成形により一体的に組み付けたモールド部と、を備え、
上記モールド部は、電源ケーブルの接続端子を挿入することにより該接続端子を上記プラグピンの端子接続部上に重ね合わせる端子収納部と、該端子収納部に上記接続端子を挿入する開口部と、上記端子収納部において上記電源ケーブルの接続端子を上記プラグピンの端子接続部に連結するネジを螺合するネジ穴と、を備えていることを特徴とする電源ケーブルのコンセントプラグ。 A plurality of plug pins, and a mold part in which the plurality of plug pins are integrally assembled by insert molding,
The mold part includes a terminal storage part for superimposing the connection terminal on the terminal connection part of the plug pin by inserting a connection terminal of a power cable, an opening part for inserting the connection terminal into the terminal storage part, An outlet plug for a power cable, comprising: a screw hole for screwing a screw for connecting the connection terminal of the power cable to the terminal connection part of the plug pin in the terminal storage portion. 上記プラグピンは、上記モールド部に埋め込まれている端子接続部に上記ネジ穴に重なる第１のネジ受け孔を備え、
上記ケーブルの接続端子は、上記第１のネジ受け孔に重なる第２のネジ受け孔を備え、
上記モールド部は、内端が上記第２のネジ受け孔に重なり、外端がモールド部外面に開口する第３のネジ受け孔を備えていることを特徴とする請求項１に記載の電源ケーブルのコンセントプラグ。 The plug pin includes a first screw receiving hole that overlaps the screw hole in a terminal connection portion embedded in the mold portion,
The connection terminal of the cable includes a second screw receiving hole that overlaps the first screw receiving hole,
2. The power cable according to claim 1, wherein the mold portion includes a third screw receiving hole whose inner end overlaps the second screw receiving hole and whose outer end opens to the outer surface of the mold portion. Outlet plug. 上記第３のネジ受け孔には、上記ネジ穴に螺合されたネジの頭部を覆い隠す絶縁キャップが着脱可能に取り付けられていることを特徴とする請求項２に記載の電源ケーブルのコンセントプラグ。 3. The power cable outlet according to claim 2, wherein an insulating cap that covers the head of a screw screwed into the screw hole is detachably attached to the third screw receiving hole. plug.
JP2008000915A 2008-01-08 2008-01-08 Receptacle plug of power supply cable Pending JP2009163996A (en)

Priority Applications (1)

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JP2008000915A JP2009163996A (en) 2008-01-08 2008-01-08 Receptacle plug of power supply cable

Publications (1)

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JP2009163996A true JP2009163996A (en) 2009-07-23

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5495897U (en) * 1977-12-20 1979-07-06
JP3058433U (en) * 1998-10-14 1999-06-18 比佐夫 出田 Plug-in device
JPH11354240A (en) * 1998-06-10 1999-12-24 Gyoda Densen Kk Inserting plug

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5495897U (en) * 1977-12-20 1979-07-06
JPH11354240A (en) * 1998-06-10 1999-12-24 Gyoda Densen Kk Inserting plug
JP3058433U (en) * 1998-10-14 1999-06-18 比佐夫 出田 Plug-in device

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