EP1755201B1 - Electrical connection device - Google Patents

Electrical connection device Download PDF

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Publication number
EP1755201B1
EP1755201B1 EP06114695A EP06114695A EP1755201B1 EP 1755201 B1 EP1755201 B1 EP 1755201B1 EP 06114695 A EP06114695 A EP 06114695A EP 06114695 A EP06114695 A EP 06114695A EP 1755201 B1 EP1755201 B1 EP 1755201B1
Authority
EP
European Patent Office
Prior art keywords
contact
connection device
pins
contact pins
studs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06114695A
Other languages
German (de)
French (fr)
Other versions
EP1755201A2 (en
EP1755201A3 (en
Inventor
Eckardt Quent
Marcell Nickol
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP1755201A2 publication Critical patent/EP1755201A2/en
Publication of EP1755201A3 publication Critical patent/EP1755201A3/en
Application granted granted Critical
Publication of EP1755201B1 publication Critical patent/EP1755201B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/48275—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end with an opening in the housing for insertion of a release tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/26—Pin or blade contacts for sliding co-operation on one side only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
    • H01R13/7033—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity making use of elastic extensions of the terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/907—Contact having three contact surfaces, including diverse surface

Definitions

  • the invention relates to an electrical connection device with a female connector for a pin header, wherein the female connector has two mutually parallel rows of female contacts to which busbars preferably two rows of terminals for external conductors are connected, and wherein the pin strip in pairs juxtaposed contact pins, which can be inserted into the socket contacts.
  • Such an electrical connection device is known from DE 196 10 958 A1 known.
  • the aim of the present invention is to provide a connection device of the generic type, in which with structurally simple and additionally inexpensive to produce means contacting two adjacent contact pins on the socket strip can be realized.
  • a pair of socket contacts consists of a contact element, which is provided with a total of three resilient contact tongues, of which the middle contact tongue lies in the region between two contact pins and is shaped such that two pins opposite each other and one Contacting both contact pins ensuring contact areas are formed.
  • This contact element is simple and requires only a single average - common - reed for two adjacent socket contacts.
  • the contact element is integrally formed, which ensures a cost-effective production.
  • a functionally favorable design of the middle contact tongue may be to make it wavy, wherein the respective peaks form the contact areas to the contact pins.
  • the middle contact tongues for forming the contact regions can also be shaped stepwise or meandering in the direction of the adjacent contact pins.
  • An expedient production variant for the contact elements is to form the contact element with its contact tongues and possibly busbar sections as a punched and bent part.
  • electrical connection device comprises in known manner a female connector 2 and a pin header 3.
  • the female connector 2 has two mutually parallel rows of female contacts 7a, 7b, with which busbars 4 two rows of terminals 8a, 8b are connected for external conductors 9, which are designed here in tension spring technology, but which can also be configured in a different connection technology.
  • the pin header 3 has in each case in pairs juxtaposed contact pins 6, which can be inserted into the socket contacts 7a, 7b.
  • the two mutually parallel socket contacts 7a, b are formed from a contact element 5 with only three resilient contact tongues 5a, 5b and 5c.
  • these contact tongues 5a, 5b and 5c are arranged so that the contact tongues denoted by the reference numerals 5a and 5b each contact two of the paired adjacent contact pins 6 from the outside, while a central contact tongue 5b between the two contact pins 6 and these from each contacted inside.
  • the middle contact tongue 5b is wavy bent in the illustrated embodiment both in the direction of one and in the direction of the other contact pin 6, wherein the respective wave peaks 5d form the contact areas to the contact pins 6.
  • the overall construction of the contact element 5 should expediently be designed and calculated such that the contact forces of the spring tongues 5a to 5c in the contact region to the contact pins 6 are at least approximately the same.
  • the middle contact tongue 5b may also be deformed stepwise in the direction of the contact pins to form contact regions, whereby under some circumstances even the advantage of larger contact surfaces may result.
  • the contact areas of both the middle contact tongue 5b as well as the outer contact tongues 5a and 5c ie those areas which abut the contact pins 6 in the mounted state, can also be concavely deformed if necessary in order to form a larger contact with the contact pins 6.
  • the contact element 5 is formed as a one-piece component, preferably as a stamped / bent part.
  • the contact elements 5 are preferably made of a copper alloy.
  • Connection devices 1 of the type described can advantageously be used in the socket area for "looping through” a signal.
  • the contact between the contact pins is permanently secured, since no additional parts are required.
  • the assembly of the entire contact system is simplified by the construction described, in particular, no uncertain welding processes are required. Also, the construction of the invention enables the transmission of high voltages / currents.

Abstract

Electrical connector device (1) with socket strip has a contact element (5) which in each case consists of a pair of socket contacts (7a, 7b), altogether three fittings are provided with spring like contact studs (5a, 5b, 5c). The middle contact stud lies in the range between two contact pins (6) and is formed in such a manner that both the contact pins lie opposite each other and both contact pins arranged to enable an assured contact in the contact area.

Description

Die Erfindung betrifft eine elektrische Anschlussvorrichtung mit einer Buchsenleiste für eine Stiftleiste, wobei die Buchsenleiste zwei zueinander parallele Reihen von Buchsenkontakten aufweist, mit denen über Stromschienen vorzugsweise zwei Reihen von Anschlüssen für externe Leiter verbunden sind, und wobei die Stiftleiste jeweils paarweise nebeneinander angeordnete Kontaktstifte aufweist, welche in die Buchsenkontakte einsteckbar sind.The invention relates to an electrical connection device with a female connector for a pin header, wherein the female connector has two mutually parallel rows of female contacts to which busbars preferably two rows of terminals for external conductors are connected, and wherein the pin strip in pairs juxtaposed contact pins, which can be inserted into the socket contacts.

Eine solche elektrische Anschlussvorrichtung ist aus der DE 196 10 958 A1 bekannt.Such an electrical connection device is known from DE 196 10 958 A1 known.

Ziel der vorliegenden Erfindung ist es, eine Anschlussvorrichtung der gattungsgemäßen Art zu schaffen, bei der mit konstruktiv einfachsten und zusätzlich auch preiswert herstellbaren Mitteln eine Kontaktierung zweier nebeneinanderliegender Kontaktstifte an der Buchsenleiste realisierbar ist.The aim of the present invention is to provide a connection device of the generic type, in which with structurally simple and additionally inexpensive to produce means contacting two adjacent contact pins on the socket strip can be realized.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass jeweils ein Paar der Buchsenkontakte aus einem Kontaktelement besteht, das mit insgesamt drei federnden Kontaktzungen versehen ist, von denen die mittlere Kontaktzunge im Bereich zwischen zwei Kontaktstiften liegt und derart geformt ist, dass beiden Kontaktstiften einander gegenüberliegende und eine Kontaktierung beider Kontaktstifte sicherstellende Kontaktbereiche gebildet sind.This object is achieved in that in each case a pair of socket contacts consists of a contact element, which is provided with a total of three resilient contact tongues, of which the middle contact tongue lies in the region between two contact pins and is shaped such that two pins opposite each other and one Contacting both contact pins ensuring contact areas are formed.

Dieses Kontaktelement ist einfach aufgebaut und benötigt nur eine einzige mittlere - gemeinsame - Kontaktzunge für zwei benachbarte Buchsenkontakte.This contact element is simple and requires only a single average - common - reed for two adjacent socket contacts.

Vorzugsweise wird das Kontaktelement einstückig ausgebildet, was eine kostengünstige Herstellung sichert.Preferably, the contact element is integrally formed, which ensures a cost-effective production.

Eine funktional günstige Ausbildung der mittleren Kontaktzunge kann darin bestehen, sie wellenförmig auszugestalten, wobei die jeweiligen Wellenberge die Kontaktbereiche zu den Kontaktstiften bilden.A functionally favorable design of the middle contact tongue may be to make it wavy, wherein the respective peaks form the contact areas to the contact pins.

Alternativ hierzu können die mittleren Kontaktzungen zur Bildung der Kontaktbereiche auch stufenartig oder mäanderförmig in Richtung der nebeneinanderliegenden Kontaktstifte geformt sein.As an alternative to this, the middle contact tongues for forming the contact regions can also be shaped stepwise or meandering in the direction of the adjacent contact pins.

Eine zweckmäßige Herstellungsvariante für die Kontaktelemente besteht darin, das Kontaktelement mit seinen Kontaktzungen und ggf. Stromschienenabschnitten als Stanz-Biegeteil auszubilden.An expedient production variant for the contact elements is to form the contact element with its contact tongues and possibly busbar sections as a punched and bent part.

Sinnvoll ist es, die Federkräfte der Kontaktzungen so auszulegen, dass die Kontaktkräfte an allen Kontaktpunkten zumindest annähernd gleich sind.It makes sense to design the spring forces of the contact tongues so that the contact forces at all contact points are at least approximately the same.

Insbesondere sollte darauf geachtet werden, dass die Kontaktstifte sowohl von der mittleren wie auch von den äußeren Kontaktzungen mit den gleichen Kräften kontaktiert werden, um auf diese Art und Weise eine dauerhafte Funktion des Federsystems zu gewährleisten.In particular, care should be taken that the contact pins are contacted by both the middle and the outer contact tongues with the same forces, in order to ensure in this way a permanent function of the spring system.

Ein Ausführungsbeispiel der Erfindung ist in den beigefügten Zeichnungen dargestellt und wird im Folgenden näher beschrieben. Es zeigen:

Figur 1
eine perspektivische und schematische Teildarstellung einer erfindungsgemäßen elektrischen Verbindungsanordnung;
Figur 2
eine perspektivische Darstellung eines Kontaktelementes der Verbindungsanordnung gemäß Figur 1;
Figur 3
eine Vorderansicht des Kontaktelementes; und
Figur 4
eine Seitenansicht des Kontaktelementes.
An embodiment of the invention is illustrated in the accompanying drawings and will be described in more detail below. Show it:
FIG. 1
a perspective and schematic partial view of an electrical connection assembly according to the invention;
FIG. 2
a perspective view of a contact element of the connection arrangement according to FIG. 1 ;
FIG. 3
a front view of the contact element; and
FIG. 4
a side view of the contact element.

Die in Figur 1 dargestellte und insgesamt mit dem Bezugszeichen 1 bezeichnete elektrische Anschlussvorrichtung umfasst in an sich bekannter Weise eine Buchsenleiste 2 und eine Stiftleiste 3. Die Buchsenleiste 2 weist zwei zueinander parallele Reihen von Buchsenkontakten 7a, 7b auf, mit denen über Stromschienen 4 zwei Reihen von Anschlüssen 8a, 8b für externe Leiter 9 verbunden sind, die hier in Zugfedertechnik ausgestaltet sind, die aber auch in einer anderen Anschlusstechnik ausgestaltet sein können.In the FIG. 1 illustrated and generally designated by the reference numeral 1 electrical connection device comprises in known manner a female connector 2 and a pin header 3. The female connector 2 has two mutually parallel rows of female contacts 7a, 7b, with which busbars 4 two rows of terminals 8a, 8b are connected for external conductors 9, which are designed here in tension spring technology, but which can also be configured in a different connection technology.

Die Stiftleiste 3 weist jeweils paarweise nebeneinander angeordnete Kontaktstifte 6 auf, welche in die Buchsenkontakte 7a, 7b einsteckbar sind.The pin header 3 has in each case in pairs juxtaposed contact pins 6, which can be inserted into the socket contacts 7a, 7b.

Zu diesem Zweck werden die zwei zueinander parallelen Buchsenkontakte 7a, b aus einem Kontaktelement 5 mit nur drei federnden Kontaktzungen 5a, 5b und 5c gebildet.For this purpose, the two mutually parallel socket contacts 7a, b are formed from a contact element 5 with only three resilient contact tongues 5a, 5b and 5c.

Wie Figur 1 deutlich zeigt, sind diese Kontaktzungen 5a, 5b und 5c so angeordnet, dass die mit dem Bezugszeichen 5a und 5b bezeichneten Kontaktzungen jeweils zwei der paarweise nebeneinanderliegenden Kontaktstifte 6 von außen kontaktieren, während eine mittlere Kontaktzunge 5b zwischen den beiden Kontaktstiften 6 liegt und diese jeweils von innen kontaktiert.As FIG. 1 clearly shows, these contact tongues 5a, 5b and 5c are arranged so that the contact tongues denoted by the reference numerals 5a and 5b each contact two of the paired adjacent contact pins 6 from the outside, while a central contact tongue 5b between the two contact pins 6 and these from each contacted inside.

Zu diesem Zweck ist die mittlere Kontaktzunge 5b im dargestellten Ausführungsbeispiel wellenförmig sowohl in Richtung des einen wie auch in Richtung des anderen Kontaktstiftes 6 gebogen, wobei die jeweiligen Wellenberge 5d die Kontaktbereiche zu den Kontaktstiften 6 bilden.For this purpose, the middle contact tongue 5b is wavy bent in the illustrated embodiment both in the direction of one and in the direction of the other contact pin 6, wherein the respective wave peaks 5d form the contact areas to the contact pins 6.

Die Gesamtkonstruktion des Kontaktelementes 5 sollte dabei zweckmäßigerweise so ausgelegt und berechnet sein, dass die Kontaktkräfte der Federzungen 5a bis 5c im Kontaktbereich zu den Kontaktstiften 6 zumindest annähernd gleich sind.The overall construction of the contact element 5 should expediently be designed and calculated such that the contact forces of the spring tongues 5a to 5c in the contact region to the contact pins 6 are at least approximately the same.

Alternativ zum dargestellten Ausführungsbeispiel kann die mittlere Kontaktzunge 5b zur Bildung von Kontaktbereichen auch stufenartig in Richtung der Kontaktstifte verformt sein, wobei sich hier unter Umständen sogar der Vorteil größerer Kontaktflächen ergeben kann.As an alternative to the illustrated exemplary embodiment, the middle contact tongue 5b may also be deformed stepwise in the direction of the contact pins to form contact regions, whereby under some circumstances even the advantage of larger contact surfaces may result.

Die Kontaktbereiche sowohl der mittleren Kontaktzunge 5b wie auch der äußeren Kontaktzungen 5a und 5c, also diejenigen Bereiche, die im montierten Zustand an den Kontaktstiften 6 anliegen, können bei Bedarf auch konkav verformt sein, um eine größere Anlage zu den Kontaktstiften 6 zu bilden.The contact areas of both the middle contact tongue 5b as well as the outer contact tongues 5a and 5c, ie those areas which abut the contact pins 6 in the mounted state, can also be concavely deformed if necessary in order to form a larger contact with the contact pins 6.

Vorzugsweise wird das Kontaktelement 5 als einstückiges Bauteil, bevorzugt als Stanz-/Biegeteil, ausgebildet.Preferably, the contact element 5 is formed as a one-piece component, preferably as a stamped / bent part.

Die Kontaktelemente 5 sind vorzugsweise aus einer Kupferlegierung hergestellt.The contact elements 5 are preferably made of a copper alloy.

Mit der vorliegenden Erfindung ist es auf einfachste Art und Weise und bei letztendlich auch kostengünstiger Fertigung möglich, jeweils zwei paarweise nebeneinanderliegende Kontaktstifte 6 mit nur einem Kontaktelement 5 mit drei Kontaktzungen 5 zu kontaktieren.With the present invention, it is possible in the simplest manner and ultimately also cost-effective production to contact two pairs of adjacent contact pins 6 with only one contact element 5 with three contact tongues 5.

Anschlussvorrichtungen 1 der beschriebenen Art können vorteilhafterweise im Buchsenbereich zum "Durchschleifen" eines Signals benutzt werden.Connection devices 1 of the type described can advantageously be used in the socket area for "looping through" a signal.

Der Kontakt zwischen den Kontaktstiften ist dauerhaft gesichert, da keine zusätzlichen Teile erforderlich sind. Auch die Montage des gesamten Kontaktsystems wird durch die beschriebene Konstruktion vereinfacht, insbesondere sind keine unsicheren Schweißprozesse erforderlich. Auch ermöglicht die erfindungsgemäße Konstruktion die Übertragung hoher Spannungen/Ströme.The contact between the contact pins is permanently secured, since no additional parts are required. The assembly of the entire contact system is simplified by the construction described, in particular, no uncertain welding processes are required. Also, the construction of the invention enables the transmission of high voltages / currents.

Bezugszeichenreference numeral

Anschlussvorrichtungconnection device
11
Buchsenleistereceptacle
22
Stiftleistepin header
33
Stromschieneconductor rail
44
Kontaktelementcontact element
55
Kontaktzungencontact tongues
5a, 5b und 5c5a, 5b and 5c
Kontaktelementcontact element
55
Kontaktzungencontact tongues
5a, 5b und 5c5a, 5b and 5c
Buchsenkontaktefemale contacts
7a, 7b7a, 7b
Anschlüsseconnections
8a, 8b8a, 8b
Leiterladder
99

Claims (8)

  1. Electrical connection device (1) with a socket strip (2) for a pin strip (3), wherein the socket strip (2) has two rows of socket contacts (7a, 7b) parallel to each other, to which are preferably connected two rows of connections (8a, 8b) for external conductors by means current bars (4), and wherein the pin strip (3) respectively has contact pins 6 respectively arranged in pairs adjacent to each other, which can be inserted into the socket contacts (7a, 7b), characterised in that respectively one pair of the socket contacts (7a, 7b) consists of a contact element (5), which is provided with altogether three resilient contact studs (5a, 5b, 5c), of which the middle contact stud (5b) lies in the region between two contact pins (6) and is formed in such a manner that contact regions (5d) lying opposite both contact pins (6) and ensuring a contacting of both contact pins are formed.
  2. Connection device according to claim 1, characterised in that the contact element (5) is formed in one piece.
  3. Connection device according to claim 1 or 2, characterised in that the contact element (5) is connected to the first connections in one piece by means of current bars (4).
  4. Connection device according to one of the preceding claims, characterised in that the middle contact stud (5b) is bent in a wavelike manner, wherein the respective wave crests form the contact regions (5d) to the contact pins (6).
  5. Connection device according to one of the preceding claims, characterised in that the middle contact stud (5b) is deformed in a step-like manner in the direction of the contact pins (6) for forming the contact regions (5d).
  6. Connection device according to one of the preceding claims, characterised in that each contact element (5) with its contact studs (5a, 5b, 5c) and current bar pieces (4) is formed as a one-piece punching/flexible part.
  7. Connection device according to one of the preceding claims, characterised in that the contact regions of the contact studs (5a, 5b, 5c) to the contact pins (6) are curved in correspondence to the outer contour of the contact pins (6).
  8. Connection device according to one of the preceding claims, characterised in that the contact forces of all contact studs (5a, 5b, 5c) acting on the contact pins (6) are at least approximately the same.
EP06114695A 2005-08-18 2006-05-30 Electrical connection device Not-in-force EP1755201B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005013056U DE202005013056U1 (en) 2005-08-18 2005-08-18 Electrical connection device

Publications (3)

Publication Number Publication Date
EP1755201A2 EP1755201A2 (en) 2007-02-21
EP1755201A3 EP1755201A3 (en) 2010-05-05
EP1755201B1 true EP1755201B1 (en) 2011-07-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06114695A Not-in-force EP1755201B1 (en) 2005-08-18 2006-05-30 Electrical connection device

Country Status (6)

Country Link
US (1) US7179137B1 (en)
EP (1) EP1755201B1 (en)
CN (1) CN100585955C (en)
AT (1) ATE518283T1 (en)
DE (1) DE202005013056U1 (en)
ES (1) ES2370407T3 (en)

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FR2829878A1 (en) * 2001-09-20 2003-03-21 Entrelec Wire conductor electrical connection method having holder with interconnection piece and compressible connection spring using cam rotating non compressed/compressed position.
DE20119510U1 (en) * 2001-12-03 2002-04-18 Wago Verwaltungs Gmbh Common connection for electr. distribution systems
US6786779B2 (en) * 2002-06-20 2004-09-07 Tyco Electronics Amp Gmbh Electrical plug connector with spring tension clamp
DE10254091B4 (en) * 2002-11-20 2015-12-24 Phoenix Contact Gmbh & Co. Kg Connector with pin guide

Also Published As

Publication number Publication date
US7179137B1 (en) 2007-02-20
ATE518283T1 (en) 2011-08-15
CN100585955C (en) 2010-01-27
US20070054564A1 (en) 2007-03-08
DE202005013056U1 (en) 2007-01-04
EP1755201A2 (en) 2007-02-21
EP1755201A3 (en) 2010-05-05
ES2370407T3 (en) 2011-12-15
CN1917291A (en) 2007-02-21

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