EP1045475B1 - Screwless terminal or joining clamp for electrical conductor - Google Patents

Screwless terminal or joining clamp for electrical conductor Download PDF

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Publication number
EP1045475B1
EP1045475B1 EP00106904A EP00106904A EP1045475B1 EP 1045475 B1 EP1045475 B1 EP 1045475B1 EP 00106904 A EP00106904 A EP 00106904A EP 00106904 A EP00106904 A EP 00106904A EP 1045475 B1 EP1045475 B1 EP 1045475B1
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EP
European Patent Office
Prior art keywords
legs
contact frame
web
spring
clamping
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.)
Expired - Lifetime
Application number
EP00106904A
Other languages
German (de)
French (fr)
Other versions
EP1045475A3 (en
EP1045475A2 (en
Inventor
Dieter Henrici
Wolfgang Standop
Hans Wedding
Manfred Dipl.-Ing. Neuhaus
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.)
BJB GmbH and Co KG
Original Assignee
BJB 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 BJB GmbH and Co KG filed Critical BJB GmbH and Co KG
Publication of EP1045475A2 publication Critical patent/EP1045475A2/en
Publication of EP1045475A3 publication Critical patent/EP1045475A3/en
Application granted granted Critical
Publication of EP1045475B1 publication Critical patent/EP1045475B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • 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
    • H01R4/4819—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 the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • 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
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs
    • 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
    • H01R4/484—Spring housing details
    • H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool

Definitions

  • Clamps of this type are primarily constructed in two parts because on the one hand requires high stability and good electrical conductivity what is indicated by e.g. contact frame made of copper fulfilled and, on the other hand, reliable clamping forces provided by a clamping spring which exerts optimal spring forces even under the influence of temperature. Therefore, such a clamping spring is made of a suitable material, e.g. out a CrNi alloy.
  • the screwless clamp described in DE 23 49 614 C2 from The present invention is based on two parts.
  • Your contact frame consists of a U-profile, and the clamping spring is such clamped between the two U-legs that their spring clip with one of the two U-legs is firmly connected while its at an acute angle bent and facing clamp legs the opposite Apply U-leg of the contact frame to form clamping points.
  • screwless connection or Connection terminals corresponding to those submitted in 1973 Patent registration proven to this day.
  • CH 426 974 is a generic, screwless connection or Connection clamp for electrical conductors known, in which both U-legs of the contact frame one abutment for the clamping edge one each Form spring legs.
  • the present invention has for its object the clamp train that their terminal points cannot influence each other and that dealt with the material of the contact frame in a material-saving manner becomes.
  • the invention is further characterized in that according to it Designed terminal block allows connection in which the conductor can be fed from several different directions. In which in terms of related art, this is just two defined each other opposite directions possible.
  • a screwless connection or designated in its entirety with 10 Connecting terminal for electrical conductors, not shown, includes one Contact frame 11 and a clamping spring 12th
  • the contact frame 11 consists of a material of high electrical Conductivity and high inherent rigidity, preferably made of copper.
  • the clamping spring 12 consists of excellent spring properties and temperature-resistant material, preferably made of stainless steel.
  • FIGS. 1 to 3 The structure of a contact frame 11 will be explained with reference to FIGS. 1 to 3.
  • Fig. 3 which shows the strip-shaped material blank, corresponding parts of the contact frame are designated with the same reference numerals, but with an apostrophe added.
  • a contact frame 11 initially includes a central U-profile 13 with a U-web 14 and aligned parallel to each other U-legs 15.
  • the contact frame 11 shown as an example in the drawings is set up for four main terminal points and accordingly has four Extensions 16, which are connected to the four ends of the U-legs and are bent outwards, as very clearly shown in FIGS. 1 and 2.
  • the U-web 14 forms the U-profile 13 together with the extensions 16 about an H or I or Double T shape. While the two lower extensions 16 with respect to FIG. 2 form a right angle with the U-profile 13 or the longitudinal central axis L, is the angle w which the upper extensions 16 form to the longitudinal central axis L, less and is about 60 ° in the embodiment. At this It should be noted that the angular positions correspond to the requirements will be set and that asymmetrical arrangements of course are possible if this is desired or required on a case-by-case basis should.
  • FIG. 1 A comparison of FIG. 1 or the main view in FIG. 2 with the representation of the blank according to FIG. 3 shows that the U-legs 15 are produced by a 90 ° bend around the bending lines B 1 and the protruding extensions 16 by additional bending around the bending lines, which are labeled B 2 in FIG. 3.
  • FIG. 6 which shows its strip-shaped material cut
  • corresponding parts of the clamping spring are identified with the same reference numbers , but with an apostrophe.
  • the clamping spring 12 has a central clamping spring web 19 on. It is followed by a striving arrangement and lying in the same plane, two arms 20 on.
  • the central spring clip 19 and the arms 20 are, as is particularly the case in FIG. 4 and directly 5 above, show about twice the wall thickness embossed against each other.
  • spring legs 22 which are released by bends 21.
  • the bending lines associated with the bends 21 are designated by B 3 in FIG. 6.
  • the spring legs 22 are bent obliquely or inclined away from one another and bent outward into the configuration shown in FIG. 4 and the front view of FIG. 5 in the direction of the arrow V of FIG. 4.
  • Fig. 7 illustrates the structural assignment of the clamping spring 12 to Contact frame 11. Further understanding can be seen from the view in FIG. 8 win. First, it shows the overall skeletal structure very nicely the entire connection terminal, since both with regard to the contact frame 11 as well as with respect to the clamping spring 12, each of a skeletal configuration can be spoken. Furthermore, Fig. 8 shows a certain frame construction of the contact frame insofar as all elements, in particular the clamping spring with its spring legs 22 between the extensions 16 are included.
  • FIG. 8 shows the function of the extensions 16 as a clamping abutment for the spring legs 22, which bear against the inner sides of the extensions 16 under spring pressure. Since no conductors are shown in the figures, arrows in FIG. 8 illustrate conductor insertion directions R 1 to R 4 . At the same time it is clear that the tabs 17 catch the front stripped conductor end and can steer against the respective extension 16.
  • the inclined tongue 24 in the central region of the clamping spring web 19 forms, together with the inner surface of the central U-web 14 of the contact frame 11, a secondary clamping point.
  • the valley forms a guide between the wart-like embossments 18.
  • a terminal block 27 with a bell-type is shown Housing body 28 and a bottom closing this Floor 29.
  • the terminal block 27 includes a series of parallel or parallel. Terminals of the type according to the invention arranged one behind the other. Since each terminal has four main terminal points, there are accordingly rows of conductor insertion openings 30 accessible from four directions.
  • the auxiliary terminal point to be fitted from the bottom 29 with a conductor in the insertion direction R 5 can be used, for example, to connect an earth conductor.
  • edge notches 31 on the two upper extensions 16 of the contact frame 11. These narrow the extension 16 in question and form a type of window through which a tool such as a screwdriver or the like can be inserted in order to move in the direction R 6 (FIG. 10) by pressing down the spring leg 22 located below when the conductor is inserted, to open the relevant clamping point and to be able to remove the conductor.

Landscapes

  • Clamps And Clips (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

The terminal has a contact frame (11), a contact spring (12) that interacts with the contact frame with a clamping spring br (19) and spring legs (22). The bridge is connected to the U-profile (13) of the contact frame and its spring legs contact thrust blocks on the contact frame. Some or all contact frame U-profile U-legs (15) have protrusions (16) that are deformed outwards to form thrust blocks for contact with the clamping edges of the spring legs. The clamping spring bridge engages the clamping sprin and has arms (20) fed outwards over the edges of the U-profile legs.

Description

Die Erfindung betrifft eine schraubenlose Anschluss- oder Verbindungsklemme für elektrische Leiter

  • mit einem Kontaktrahmen, der ein U-Profil mit einem U-Steg und parallel zueinander ausgerichteten U-Schenkeln beinhaltet,
  • und einer mit dem Kontaktrahmen zusammenwirkenden Klemmfeder,
  • die einen Klemmfedersteg und Federschenkel aufweist,
  • deren Klemmfedersteg mit dem U-Profil des Kontaktrahmens verbunden ist und deren Federschenkel mit ihren Klemmkanten an Widerlagern des Kontaktrahmens anliegen.
The invention relates to a screwless connecting or connecting terminal for electrical conductors
  • with a contact frame that contains a U-profile with a U-web and U-legs aligned parallel to each other,
  • and a clamping spring interacting with the contact frame,
  • which has a spring clip and spring legs,
  • whose clamping spring bar is connected to the U-profile of the contact frame and whose spring legs rest with their clamping edges on abutments of the contact frame.

Klemmen dieser Art sind vornehmlich deshalb zweiteilig aufgebaut, weil von ihnen einerseits eine hohe Stabilität und gute elektrische Leitfähigkeit verlangt werden, was durch eine z.B. aus Kupfer bestehenden Kontaktrahmen erfüllt wird, und andererseits zuverlässige Klemmkräfte, die eine Klemmfeder bereitstellt, die auch unter Temperatureinwirkung optimale Federkräfte ausübt. Deshalb besteht eine solche Klemmfeder aus angepasstem Material, z.B. aus einer CrNi-Legierung.Clamps of this type are primarily constructed in two parts because on the one hand requires high stability and good electrical conductivity what is indicated by e.g. contact frame made of copper fulfilled and, on the other hand, reliable clamping forces provided by a clamping spring which exerts optimal spring forces even under the influence of temperature. Therefore, such a clamping spring is made of a suitable material, e.g. out a CrNi alloy.

Auch die in DE 23 49 614 C2 beschriebene schraubenlose Klemme, von der die vorliegende Erfindung ausgeht, ist zweiteilig ausgebildet. Ihr Kontaktrahmen besteht insgesamt aus einem U-Profil, und die Klemmfeder ist derart zwischen den beiden U-Schenkeln eingespannt, dass ihr Klemmfedersteg mit einem der beiden U-Schenkel fest verbunden ist, während ihre im spitzen Winkel abgebogenen und zueinander weisenden Klemmschenkel den gegenüberliegenden U-Schenkel des Kontaktrahmens zur Bildung von Klemmstellen beaufschlagen. Soweit ersichtlich, haben sich derartige schraubenlose Anschlussoder Verbindungsklemmen entsprechend dieser im Jahre 1973 eingereichten Patentanmeldung bis zum heutigen Tage bewährt. The screwless clamp described in DE 23 49 614 C2, from The present invention is based on two parts. Your contact frame consists of a U-profile, and the clamping spring is such clamped between the two U-legs that their spring clip with one of the two U-legs is firmly connected while its at an acute angle bent and facing clamp legs the opposite Apply U-leg of the contact frame to form clamping points. As far as can be seen, such screwless connection or Connection terminals corresponding to those submitted in 1973 Patent registration proven to this day.

Aus CH 426 974 ist eine gattungsgemäße, schraublose Anschluss- oder Verbindungsklemme für elektrische Leiter bekannt, bei der beide U-Schenkel des Kontaktrahmens jeweils ein Widerlager für die Klemmkante jeweils eines Federschenkels bilden.CH 426 974 is a generic, screwless connection or Connection clamp for electrical conductors known, in which both U-legs of the contact frame one abutment for the clamping edge one each Form spring legs.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, die Klemme so auszubilden, dass sich ihre Klemmstellen nicht gegenseitig beeinflussen können und dass mit dem Material des Kontaktrahmens materialsparend umgegangen wird.The present invention has for its object the clamp train that their terminal points cannot influence each other and that dealt with the material of the contact frame in a material-saving manner becomes.

Das Ziel der Erfindung wird mit den Merkmalen des Anspruches 1 erreicht. Danach ist die Erfindung insbesondere dadurch gekennzeichnet,

  • dass ein oder beide U-Schenkel des U-Profils des Kontaktrahmens in deren Längsrichtung gesehen jeweils an einer oder beiden Stirnseite(n) über den U-Steg des U-Profils hervorragende Fortsätze aufweisen, die vom U-Steg und den U-Schenkeln des U-Profils weg gebogen sind, wobei die Fortsätze in einer parallel zum U-Steg liegenden Ebene angeordnet sind,
  • dass an den Längsseiten des Klemmfedersteges der Klemmfeder jeweils ein vom Klemmfedersteg wegweisender Arm vorhanden ist und an den freien Enden der beiden Arme jeweils ein oder zwei Federschenkel freigeschnitten sind, die jeweils über eine Biegekante mit dem Arm verbunden und von diesem in eine Richtung rechtwinklig abgebogen sind, wobei die freien Enden der Federschenkel zum Klemmfedersteg hin gerichtet sind, und
  • dass die Klemmfeder derart am Kontaktrahmen angeordnet ist, dass sich die Längskanten des Klemmfedersteges parallel zur Längsrichtung des Kontaktrahmens erstrecken und dass der Klemmfedersteg der Klemmfeder über die beiden U-Schenkel des U-Profils des Kontaktrahmens an diesem angreift, wodurch sich ein geschlossener, stabiler Kontaktrahmen ergibt,
wobei die Fortsätze jeweils eine zum jeweiligen an der anderen Stirnseite des entsprechenden U-Schenkels angeordneten Fortsatz weisende Innenfläche aufweisen und die Federschenkel der Klemmfeder jeweils an der Innenseite des jeweiligen Fortsatzes des Kontaktrahmens angeordnet sind, wobei die Fortsätze die Widerlager für die Klemmkanten der Federschenkel bilden. The aim of the invention is achieved with the features of claim 1. Thereafter, the invention is particularly characterized in that
  • that one or both U-legs of the U-profile of the contact frame, seen in the longitudinal direction thereof, each have excellent extensions on one or both end faces of the U-web of the U-profile, which extend from the U-web and the U-legs of the U-profiles are bent away, the extensions being arranged in a plane parallel to the U-web,
  • that on the long sides of the clamping spring web of the clamping spring there is an arm pointing away from the clamping spring web and one or two spring legs are cut free at the free ends of the two arms, each of which is connected to the arm via a bending edge and bent by the arm at right angles in one direction , wherein the free ends of the spring legs are directed towards the spring clip, and
  • that the clamping spring is arranged on the contact frame in such a way that the longitudinal edges of the clamping spring web extend parallel to the longitudinal direction of the contact frame and that the clamping spring web of the clamping spring engages on the two U-legs of the U-profile of the contact frame, whereby a closed, stable contact frame reveals
wherein the extensions each have an inner surface facing the respective extension arranged on the other end face of the corresponding U-leg and the spring legs of the clamping spring are each arranged on the inside of the respective extension of the contact frame, the extensions forming the abutments for the clamping edges of the spring legs.

Mit den Merkmalen der Erfindung wird im Prinzip sowohl bezüglich des Kontaktrahmens als auch bezüglich der Klemmfeder jeweils ein skelettartiger Aufbau erreicht, der zu einer außerordentlichen Stabilität der beiden Bauteile führt und die Klemmstellen so anordnet, dass jeder Federschenkel der Klemmfedern in jeder Beziehung unabhängig von den anderen Federschenkeln seine Federkräfte ausüben kann.With the features of the invention is in principle both with respect to Contact frame as well as a skeleton-like with respect to the clamping spring Structure achieved, leading to an extraordinary stability of the two components leads and arranges the clamping points so that each spring leg of the clamping springs in every respect regardless of the other feather legs Can exert spring forces.

Die Erfindung zeichnet sich des weiteren dadurch aus, dass die nach ihr konzipierte Klemme Anschlussklemmenblöcke ermöglicht, in denen die Leiter aus mehreren unterschiedlichen Richtungen zugeführt werden können. Bei dem in Bezug genommenen Stand der Technik ist dies nur aus zwei definierten einander entgegengesetzten Richtungen möglich.The invention is further characterized in that according to it Designed terminal block allows connection in which the conductor can be fed from several different directions. In which in terms of related art, this is just two defined each other opposite directions possible.

Weitere Vorteile und zweckmäßige Ausgestaltungen ergeben sich aus den Unteransprüchen sowie aus der nachfolgenden ausführlichen Beschreibung eines in den Zeichnungen dargestellten Ausführungsbeispiels. In den Zeichnungen zeigen, jeweils in erheblich vergrößertem Maßstab:

Fig. 1
eine perspektivische Ansicht des Kontaktrahmens der schraubenlosen Anschluss- oder Verbindungsklemme entsprechend der Erfindung,
Fig. 2
eine Stirnansicht mit Seitenansicht und Aufsicht des Kontaktrahmens der Fig. 1,
Fig. 3
eine Aufsicht auf den noch flachen Materialzuschnitt, aus dem der Kontaktrahmen nach Fig. 1 erzeugt wird,
Fig. 4
eine perspektivische Ansicht der zugehörigen Klemmfeder in lagegerechter Zuordnung zu dem in Fig. 1 gezeigten Kontaktrahmen,
Fig. 5
eine Frontalansicht der in Fig. 4 gezeigten Klemmfeder mit Seitenansicht und Aufsicht,
Fig. 6
eine Aufsicht auf den noch ebenen Zuschnitt, aus dem die Klemmfeder nach Fig. 4 erzeugt wird,
Fig. 7
eine perspektivische Darstellung von Kontaktrahmen und Klemmfeder in lagegerechter Zuordnung vor ihrem Zusammenfügen,
Fig. 8
eine Ansicht auf die Verbindungsklemme in Richtung des Pfeiles VIII in Fig. 7,
Fig. 9
eine schaubildliche Darstellung einer in einem Isolier-Klemmengehäuse befindlichen Klemme entsprechend der Erfindung und
Fig. 10
eine Ansicht dazu in Richtung des Ansichtspfeiles X in Fig. 9.
Further advantages and expedient refinements result from the subclaims and from the following detailed description of an exemplary embodiment shown in the drawings. The drawings show, in each case on a considerably enlarged scale:
Fig. 1
2 shows a perspective view of the contact frame of the screwless connecting or connecting terminal according to the invention,
Fig. 2
2 shows an end view with side view and top view of the contact frame of FIG. 1,
Fig. 3
1 shows a top view of the still flat material blank from which the contact frame according to FIG. 1 is produced,
Fig. 4
2 shows a perspective view of the associated clamping spring in a positionally correct assignment to the contact frame shown in FIG. 1,
Fig. 5
3 shows a front view of the clamping spring shown in FIG. 4 with a side view and a top view,
Fig. 6
4 shows a top view of the still flat blank from which the clamping spring according to FIG. 4 is produced,
Fig. 7
1 shows a perspective representation of the contact frame and clamping spring in the correct position before they are joined together,
Fig. 8
a view of the connecting terminal in the direction of arrow VIII in Fig. 7,
Fig. 9
a schematic representation of a terminal located in an insulating terminal housing according to the invention and
Fig. 10
a view of this in the direction of the arrow X in Fig. 9th

Eine in ihrer Gesamtheit mit 10 bezeichnete schraubenlose Anschlussoder Verbindungsklemme für nicht dargestellte elektrische Leiter umfasst einen Kontaktrahmen 11 und eine Klemmfeder 12.A screwless connection or designated in its entirety with 10 Connecting terminal for electrical conductors, not shown, includes one Contact frame 11 and a clamping spring 12th

Der Kontaktrahmen 11 besteht aus einem Material von hoher elektrischer Leitfähigkeit und großer Eigensteifigkeit, vorzugsweise aus Kupfer. Demgegenüber besteht die Klemmfeder 12 aus einem hervorragende Federeigenschaften und Temperaturbeständigkeit aufweisenden Material, vorzugsweise aus CrNi-Stahl.The contact frame 11 consists of a material of high electrical Conductivity and high inherent rigidity, preferably made of copper. In contrast, the clamping spring 12 consists of excellent spring properties and temperature-resistant material, preferably made of stainless steel.

Der Aufbau eines Kontaktrahmens 11 sei anhand der Fig. 1 bis 3 erläutert. In Fig. 3, die den streifenförmigen Materialzuschnitt zeigt, sind entsprechende Partien des Kontaktrahmens mit den gleichen Bezugsziffern bezeichnet, die jedoch um ein Apostroph erweitert sind. The structure of a contact frame 11 will be explained with reference to FIGS. 1 to 3. In Fig. 3, which shows the strip-shaped material blank, corresponding parts of the contact frame are designated with the same reference numerals, but with an apostrophe added.

Entsprechend den Figuren umfasst ein Kontaktrahmen 11 zunächst ein zentrales U-Profil 13 mit einem U-Steg 14 und parallel zueinander ausgerichteten U-Schenkeln 15.According to the figures, a contact frame 11 initially includes a central U-profile 13 with a U-web 14 and aligned parallel to each other U-legs 15.

Der in den Zeichnungen beispielhaft dargestellte Kontaktrahmen 11 ist für vier Hauptklemmstellen eingerichtet und verfügt dementsprechend über vier Fortsätze 16, die an den jeweils vier Enden der U-Schenkel angebunden und nach außen gebogen sind, wie dies sehr deutlich die Fig. 1 und 2 zeigen.The contact frame 11 shown as an example in the drawings is set up for four main terminal points and accordingly has four Extensions 16, which are connected to the four ends of the U-legs and are bent outwards, as very clearly shown in FIGS. 1 and 2.

Wie aus der Frontalansicht der Fig. 2 erkennbar ist, bildet der U-Steg 14 des U-Profils 13 zusammen mit den Fortsätzen 16 etwa eine H- bzw. I- oder Doppel-T-Form aus. Während die bezüglich Fig. 2 unteren beiden Fortsätze 16 mit dem U-Profil 13 bzw. der Längsmittelachse L einen rechten Winkel ausbilden, ist der Winkel w, den die oberen Fortsätze 16 zur Längsmittelachse L einschließen, geringer und beträgt beim Ausführungsbeispiel etwa 60°. An dieser Stelle sei bemerkt, dass die Winkelstellungen den Erfordernissen entsprechend eingestellt sein werden und dass auch asymmetrische Anordnungen selbstverständlich möglich sind, wenn diese fallweise gewünscht oder erforderlich sein sollten.As can be seen from the front view of FIG. 2, the U-web 14 forms the U-profile 13 together with the extensions 16 about an H or I or Double T shape. While the two lower extensions 16 with respect to FIG. 2 form a right angle with the U-profile 13 or the longitudinal central axis L, is the angle w which the upper extensions 16 form to the longitudinal central axis L, less and is about 60 ° in the embodiment. At this It should be noted that the angular positions correspond to the requirements will be set and that asymmetrical arrangements of course are possible if this is desired or required on a case-by-case basis should.

Aus den Fig. 1 bis 3 ist des weiteren noch ersichtlich, dass aus den U-Schenkeln jedem Fortsatz 16 benachbart jeweils ein Lappen 17 ausgeklinkt ist, der sich - wie die Fortsätze 16 - vom zentralen U-Profil und dessen U-Schenkeln 15 aus nach außen erstreckt. Sowohl die Fortsätze 16 als auch die Lappen 17 befinden sich dabei alle parallel zu einer Ebene - bei der Aufsicht nach Fig. 2 entsprechend dem Ansichtspfeil II in Fig. 1 ist dies die Zeichenebene.From FIGS. 1 to 3 it can also be seen that from the U-legs a tab 17 is notched adjacent to each extension 16, which - like the extensions 16 - of the central U-profile and its U-legs 15 extends outwards. Both the extensions 16 and the Tabs 17 are all parallel to one plane - when viewed from above 2 according to the view arrow II in Fig. 1, this is the plane of the drawing.

Im zentralen U-Steg 14 des Kontaktrahmens 13 befinden sich noch zwei von der Außenseite des U-Stegs 14 her eingeprägte, warzenartige Ausdrückungen 18, die auf der Innenseite des U-Stegs zwei nebeneinander liegende Erhebungen ausbilden.There are two more in the central U-web 14 of the contact frame 13 wart-like expressions embossed from the outside of the U-web 14 18, the two on the inside of the U-bridge Form surveys.

Ein Vergleich der Fig. 1 bzw. der Hauptansicht in Fig. 2 mit der Darstellung des Zuschnitts nach Fig. 3 zeigt, dass die U-Schenkel 15 durch jeweils eine 90°-Umbiegung um die Biegelinien B1 erzeugt werden und die abstehenden Fortsätze 16 durch zusätzliches Biegen um die Biegelinien, die in Fig. 3 mit B2 bezeichnet sind.A comparison of FIG. 1 or the main view in FIG. 2 with the representation of the blank according to FIG. 3 shows that the U-legs 15 are produced by a 90 ° bend around the bending lines B 1 and the protruding extensions 16 by additional bending around the bending lines, which are labeled B 2 in FIG. 3.

Der Aufbau einer Klemmfeder 12 sei anhand der Fig. 4 bis 6 erläutert. In Fig. 6, die ihren streifenförmigen Materialzuschnitt zeigt, sind entsprechende Partien der Klemmfeder mit den gleichen, jedoch mit Apostroph ergänzten Bezugsziffern gekennzeichnet.The structure of a clamping spring 12 will be explained with reference to FIGS. 4 to 6. In FIG. 6, which shows its strip-shaped material cut, corresponding parts of the clamping spring are identified with the same reference numbers , but with an apostrophe.

Entsprechend Fig. 4 weist die Klemmfeder 12 einen zentralen Klemmfedersteg 19 auf. An ihn schließen sich in voneinander wegstrebender Anordnung sowie in gleicher Ebene liegend, zwei Arme 20 an. Der zentrale Klemmfedersteg 19 und die Arme 20 sind, wie dies insbesondere Fig. 4 und die unmittelbar darüber befindliche Aufsicht in Fig. 5 zeigen, um etwa doppelte Wandstärke gegeneinander verprägt.4, the clamping spring 12 has a central clamping spring web 19 on. It is followed by a striving arrangement and lying in the same plane, two arms 20 on. The central spring clip 19 and the arms 20 are, as is particularly the case in FIG. 4 and directly 5 above, show about twice the wall thickness embossed against each other.

An den jeweils äußeren Enden der Stege 20 befinden sich durch Umbiegungen 21 freigestellte Federschenkel 22. Die den Umbiegungen 21 zugehörigen Biegelinien sind in Fig. 6 mit B3 bezeichnet. Nach dem Umbiegen sind die Federschenkel 22 noch schräg bzw. geneigt voneinander wegstrebend nach außen in die Konfiguration aufgebogen, die die Fig. 4 und die Frontalansicht der Fig. 5 in Richtung des Ansichtspfeiles V der Fig. 4 zeigen.At the respective outer ends of the webs 20 there are spring legs 22 which are released by bends 21. The bending lines associated with the bends 21 are designated by B 3 in FIG. 6. After the bending, the spring legs 22 are bent obliquely or inclined away from one another and bent outward into the configuration shown in FIG. 4 and the front view of FIG. 5 in the direction of the arrow V of FIG. 4.

Die Fig. 4 bis 6 zeigen weiterhin im unteren Bereich des zentralen Federsteges 19 bzw. im Übergangsbereich zu den Armen 20 zwei aus deren Randbereich umgebogene hakenförmige Rastnasen 23, eine zentrale Zunge 24 und zwei krallenartige Lappen 25. Diese Elemente 23 bis 25 weisen vom Zentralsteg 19 aus in die gleiche Richtung wie die aus der Ebene der Arme abgebogenen Federschenkel 22, also, wie dies Fig. 7 verdeutlicht, zum Kontaktrahmen 11 hin.4 to 6 also show in the lower region of the central spring bar 19 or in the transition area to the arms 20 two from their Edge-shaped bent hook-shaped latches 23, a central tongue 24 and two claw-like tabs 25. These elements 23 to 25 point from the central web 19 in the same direction as that bent from the plane of the arms Spring leg 22, that is, as shown in FIG. 7, to the contact frame 11 out.

Die beschriebenen Einzelteile bzw. einzelnen Abschnitte oder Partien der Klemmfeder 12 sind derart geschickt im Zuschnitt gemäß Fig. 6 angeordnet, dass - wie sich daraus ergibt, praktisch kaum Abfall anfällt. Dies rührt wesentlich daher, dass sämtliche Partien im Zuschnitt jeweils nur durch eine Schnittlinie voneinander getrennt sind. Die geringfügigen, im wesentlichen dreieckigen Abfallbereiche sind in Fig. 6 mit X bezeichnet.The described individual parts or individual sections or lots of Clamping springs 12 are cleverly arranged in the blank according to FIG. 6, that - as a result, there is practically no waste. This has a major effect therefore that all parts in the cut each only by a cutting line are separated from each other. The minor, essentially triangular Waste areas are designated by X in FIG. 6.

Fig. 7 veranschaulicht die bauliche Zuordnung der Klemmfeder 12 zum Kontaktrahmen 11. Weiteres Verständnis lässt sich aus der Ansicht der Fig. 8 gewinnen. Sie zeigt zunächst sehr schön den insgesamt skeletthaften Aufbau der gesamten Anschlussklemme, da sowohl bezüglich des Kontaktrahmens 11 als auch bezüglich der Klemmfeder 12 von jeweils skelettartiger Konfiguration gesprochen werden kann. Weiterhin zeigt Fig. 8 dennoch eine gewisse Rahmenkonstruktion des Kontaktrahmens insoweit, als sämtliche Elemente, insbesondere die Klemmfeder mit ihren Federschenkeln 22 zwischen den Fortsätzen 16 eingeschlossen sind.Fig. 7 illustrates the structural assignment of the clamping spring 12 to Contact frame 11. Further understanding can be seen from the view in FIG. 8 win. First, it shows the overall skeletal structure very nicely the entire connection terminal, since both with regard to the contact frame 11 as well as with respect to the clamping spring 12, each of a skeletal configuration can be spoken. Furthermore, Fig. 8 shows a certain frame construction of the contact frame insofar as all elements, in particular the clamping spring with its spring legs 22 between the extensions 16 are included.

Weiterhin zeigt Fig. 8 die Funktion der Fortsätze 16 als Klemm-Widerlager für die Federschenkel 22, die unter Federdruck an den Innenseiten der Fortsätze 16 anliegen. Da in den Figuren keine Leiter eingezeichnet sind, veranschaulichen Pfeile in Fig. 8 Leitereinsteckrichtungen R1 bis R4. Gleichzeitig wird deutlich, dass die Lappen 17 das vordere abisolierte Leiterende fangen und gegen den jeweiligen Fortsatz 16 lenken können.Furthermore, FIG. 8 shows the function of the extensions 16 as a clamping abutment for the spring legs 22, which bear against the inner sides of the extensions 16 under spring pressure. Since no conductors are shown in the figures, arrows in FIG. 8 illustrate conductor insertion directions R 1 to R 4 . At the same time it is clear that the tabs 17 catch the front stripped conductor end and can steer against the respective extension 16.

Aus Fig. 7 in Verbindung mit Fig. 8 wird weiterhin die Bedeutung der Lappen 25 deutlich. Sie dienen als Zentrierhilfen beim Zusammenfügen von Klemmfeder 12 und Kontaktrahmen 11, indem sie die U-Schenkel 15 des U-Profils 13 im Bereich zwischen jeweils einem unteren Lappen 17 und dem benachbarten Fortsatz 16 zwischen sich fassen. Die Verankerung der Klemmfeder 12 am Kontaktrahmen 11 erfolgt mittels der Rastnasen 23, die in die Freischnitte 26 eingreifen, die durch das Ausklinken der unteren Lappen 17 in den U-Schenkeln 15 entstanden sind.From Fig. 7 in conjunction with Fig. 8, the meaning of the Lobe 25 clearly. They serve as centering aids when assembling Clamping spring 12 and contact frame 11 by the U-leg 15 of the U-profile 13 in the area between a lower tab 17 and the adjacent one Grasp extension 16 between them. The anchoring of the clamping spring 12 on the contact frame 11 takes place by means of the locking lugs 23, which are in the free cuts 26 engage, by releasing the lower tab 17 in the U-legs 15 were created.

Die schräggestellte Zunge 24 im zentralen Bereich des Klemmfedersteges 19 bildet zusammen mit der Innenfläche des zentralen U-Steges 14 des Kontaktrahmens 11 eine Neben-Klemmstelle aus. Für Leiter, die in Richtung R5 von unten her eingeführt werden. Für deren abisolierte Leiterenden bildet das Tal zwischen den warzenartigen Prägungen 18 eine Führung aus.The inclined tongue 24 in the central region of the clamping spring web 19 forms, together with the inner surface of the central U-web 14 of the contact frame 11, a secondary clamping point. For conductors that are inserted in the direction R 5 from below. For the stripped conductor ends, the valley forms a guide between the wart-like embossments 18.

Zu den Fig. 9 und 10 ist aufgrund der vorangegangenen ausführlichen Beschreibung der schraubenlosen Anschluss- oder Verbindungsklemme für elektrische Leiter nicht mehr viel auszuführen, da sich deren Funktion nunmehr von selbst ergibt. Dargestellt ist ein Anschlussklemmenblock 27 mit einem glockenartigen Gehäusekörper 28 und einem diesen unterseitig verschließenden Boden 29.9 and 10 is detailed due to the foregoing Description of the screwless connection or connection terminal for electrical conductors no longer perform much, since their function is now results by itself. A terminal block 27 with a bell-type is shown Housing body 28 and a bottom closing this Floor 29.

Der Anschlussklemmenblock 27 umfasst eine Reihe von parallel nebenbzw. hintereinander angeordneten Klemmen der erfindungsgemäßen Art. Da jede Klemme vier Haupt-Klemmstellen bereithält, sind dementsprechend aus vier Richtungen zugängliche Reihen von Leitereinführungsöffnungen 30 vorhanden. Die vom Boden 29 her mit einem Leiter in Einsteckrichtung R5 zu bestückende Neben-Klemmstelle kann beispielsweise dem Anschluss eines Erdleiters dienen.The terminal block 27 includes a series of parallel or parallel. Terminals of the type according to the invention arranged one behind the other. Since each terminal has four main terminal points, there are accordingly rows of conductor insertion openings 30 accessible from four directions. The auxiliary terminal point to be fitted from the bottom 29 with a conductor in the insertion direction R 5 can be used, for example, to connect an earth conductor.

Erwähnt seien noch die Randausklinkungen 31 an den beiden oberen Fortsätzen 16 des Kontaktrahmens 11. Diese verschmälern den betreffenden Fortsatz 16 und bilden eine Art Fenster, durch welches ein Werkzeug wie Schraubendreher od. dgl. eingeführt werden kann, um in Richtung R6 (Fig. 10) durch Niederdrücken des darunter befindlichen Federschenkels 22 bei einsteckendem Leiter die betreffende Klemmstelle zu öffnen und um die Leiter entfernen zu können.Mention should also be made of the edge notches 31 on the two upper extensions 16 of the contact frame 11. These narrow the extension 16 in question and form a type of window through which a tool such as a screwdriver or the like can be inserted in order to move in the direction R 6 (FIG. 10) by pressing down the spring leg 22 located below when the conductor is inserted, to open the relevant clamping point and to be able to remove the conductor.

Eingangs der Beschreibung der Figuren wurde die vergrößerte Darstellung des Erfindungsgegenstandes erwähnt. In weiterer Erläuternd hierzu sei angemerkt, dass sich die dargestellte und beschriebene Klemme hervorragend für Kontakte mit 5 mm Kontaktabstand des RASTS-Standards eignet, der sich insbesondere im Bereich der sog. 'weißen Ware' durchgesetzt hat. Unter diesen Warenoberbegriff fallen Haushaltsgeräte wie Waschmaschinen, Wäschetrockner, Waschtrockner, Herde u.dgl.At the beginning of the description of the figures was the enlarged representation of the subject of the invention mentioned. In further explanations to this noted that the clamp shown and described is excellent suitable for contacts with 5 mm contact spacing of the RASTS standard especially in the area of so-called 'white goods'. Under these Household appliances such as washing machines, tumble dryers, Washer dryer, cookers and the like

Claims (14)

  1. Screwless connecting or joining terminal (10) for electrical conductors
    the said terminal having a contact frame (11) which contains a U-shaped profile (13) with a web (14) of the U and with legs (15) of the U which are orientated so as to be parallel to one another,
    and a clamping spring (12) which cooperates with the contact frame (11)
    and has a clamping spring web (19) and spring legs (22)
    and whose clamping spring web (19) is joined to the U-shaped profile (13) of the contact frame (11) and whose spring legs (22) rest, via their clamping edges, against abutments on the contact frame (11),
    characterised in that,
    viewed in their longitudinal direction, one or both of the legs (15) of the U of the U-shaped profile (13) of the contact frame (11) has/have, on one or both end face(s) in each case, extensions (16) which project above the web (14) of the U of the U-shaped profile (13) and are bent away from the web (14) of the U and the legs (15) of the U of the U-shaped profile (13), the said extensions (16) being disposed in a plane which lies parallel to the web (14) of the U,
    that an arm (20) which points away from the clamping spring web (19) is present, in each case, on the longitudinal sides of the said clamping spring web (19) of the clamping spring (12), and one or two spring legs (22) in each case are cut free at the free ends of the two arms (20), which spring legs (22) are joined to the arm (20) via a bent edge (21) in each case, and are bent away from the said arm (20) at right angles in one direction, the free ends of the spring legs (22) being directed towards the clamping spring web (19), and
    that the clamping spring (12) is disposed on the contact frame (11) in such a way that the longitudinal edges of the clamping spring web (19) extend parallel to the longitudinal direction of the contact frame (11), and that the clamping spring web (19) of the clamping spring (12) acts upon the contact frame (11) via the two legs of the U of the U-shaped profile (13) of the said contact frame (11), which results in a closed, stable contact frame, the extensions having, in each case, an inner face which points towards the particular extension (16) which is disposed on the other end face of the corresponding leg (15) of the U, and the spring legs (22) of the clamping spring (12) being disposed, in each case, on the inner side of the particular extension (16) of the contact frame (11), the said extensions (16) forming the abutments for the clamping edges of the spring legs (22).
  2. Terminal according to claim 1, characterised in that it has four main contact points and, facing one of the flat sides of the web (14) of the U of the U-shaped profile (13) of the contact frame (11), essentially an H-shape or I-shape or a double-T-shape.
  3. Terminal according to claim 1, characterised in that it has two main contact points and, facing one of the flat sides of the web (14) of the U of the U-shaped profile (13) of the contact frame (11), essentially the shape of an S, Z or T.
  4. Terminal according to claim 1, characterised in that it has three main contact points and, facing one of the flat sides of the web (14) of the U of the U-shaped profile (13) of the contact frame (11), essentially an H-shape or I-shape or a double-T-shape, which is reduced by one leg.
  5. Terminal according to one of claims 2 to 4, characterised in that the bending angles (W) between the extensions (16) which are bent away from the legs (15) of the U of the U-shaped profile (13) and a longitudinal central axis (L) of the web (14) of the U lie between 60° and 90°.
  6. Terminal according to one of the previous claims, characterised in that, adjacent to the extensions (16), tabs (17) which serve, with the said extensions (16), as a funnel-shaped guide for a conductor end which is to be inserted in the clamping point, are stamped out of the legs (15) of the U of the U-shaped profile (13) of the contact frame (11).
  7. Terminal according to one of the previous claims, characterised in that anchoring noses (23) for exerting a locking action upon the U-shaped profile (13) of the contact frame (11) are formed out on the clamping spring web (19).
  8. Terminal according to claim 7, characterised in that the anchoring noses (23) partially engage round the legs (15) of the U of the U-shaped profile (13) of the contact frame (11), and that clearances into which the anchoring noses (23) engage are present in the legs (15) of the U.
  9. Terminal according to claim 8, characterised in that the clearances are formed by cut-outs (26) which are left in the legs of the U as a result of the stamping-out of the tabs (17).
  10. Terminal according to claim 1 or one of the preceding claims, characterised in that the clamping spring web (19) bridges the legs (15) of the U of the U-shaped profile (13) of the contact frame (11) and leaves, between itself and the inner side of the web (14) of the U, a clear space for a subsidiary clamping point.
  11. Terminal according to claim 10, characterised in that a subsidiary clamping point spring tongue (24) is cut out of the clamping spring web (19).
  12. Terminal according to one of the preceding claims, characterised in that the web (14) of the U of the U-shaped profile (13) of the contact frame (11) is provided with inwardly pointing pressed-out portions (18) which make available, between them, a conductor guide for the subsidiary clamping point.
  13. Terminal according to one of the preceding claims, characterised in that the extensions (16) of the contact frame (11) are provided with marginal notches (31) for the manipulation of the spring legs (22) with the aid of a clamping-point-opening tool such as a screwdriver or the like.
  14. Terminal according to one of the preceding claims, characterised in that, in the region between the tabs (17) and the extensions (16), the legs (15) of the U of the U-shaped profile (13) of the contact frame (11) form conductor insertion stops with their outer sides.
EP00106904A 1999-04-16 2000-03-31 Screwless terminal or joining clamp for electrical conductor Expired - Lifetime EP1045475B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19917142A DE19917142C1 (en) 1999-04-16 1999-04-16 Screwless connection or connection terminal for electrical conductors
DE19917142 1999-04-16

Publications (3)

Publication Number Publication Date
EP1045475A2 EP1045475A2 (en) 2000-10-18
EP1045475A3 EP1045475A3 (en) 2001-04-04
EP1045475B1 true EP1045475B1 (en) 2002-06-19

Family

ID=7904736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00106904A Expired - Lifetime EP1045475B1 (en) 1999-04-16 2000-03-31 Screwless terminal or joining clamp for electrical conductor

Country Status (4)

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EP (1) EP1045475B1 (en)
AT (1) ATE219606T1 (en)
DE (1) DE19917142C1 (en)
ES (1) ES2177490T3 (en)

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WO2012083320A1 (en) 2010-12-21 2012-06-28 Tridonic Connection Technology Gmbh & Co Kg Connection terminal or connecting terminal for electrical conductors
DE102014205299A1 (en) 2013-03-21 2014-09-25 Tridonic Connection Technology Gmbh & Co Kg Connection or connection terminal for electrical conductors, as well as luminaire

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DE10163055B4 (en) * 2001-12-21 2004-07-08 Bjb Gmbh & Co.Kg Lamp holder, in particular holder for halogen high-voltage lamps
DE10163056B4 (en) * 2001-12-21 2004-07-08 Bjb Gmbh & Co.Kg lamp socket
DE10163057B4 (en) * 2001-12-21 2004-07-08 Bjb Gmbh & Co.Kg Socket for high-voltage lamps
DE102005042660B4 (en) * 2005-09-08 2007-12-13 Conrad Stanztechnik Gmbh Terminal with an insulating housing
US8262405B1 (en) * 2011-03-15 2012-09-11 Avx Corporation Wire-to-wire connector
FR3005213B1 (en) * 2013-04-30 2016-09-23 Fabrication D'applications Et De Realisations Electroniques ELECTRICAL CONNECTOR WITH CONTACT SLAB
DE102015000331A1 (en) * 2015-01-09 2016-07-14 DEHN + SÖHNE GmbH + Co. KG. Contact arrangement for pluggable surge arresters

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DE1898970U (en) * 1964-06-08 1964-08-20 Wago Klemmenwerk G M B H SPRING CLAMP.
DE2258156A1 (en) * 1972-11-28 1974-05-30 Wago Kontakttechnik Gmbh ELECTRIC COUPLING FOR SCREWLESS CONNECTION OF ELECTRICAL CABLES
DE7902093U1 (en) * 1979-01-26 1979-07-05 Tony Adels, Elektro- U. Waermetechnik Gmbh & Co Kg, 5060 Bergisch Gladbach Contact insert, consisting of a clamping spring and a contact frame, in particular for light strips
AT378628B (en) * 1983-03-21 1985-09-10 Electro Terminal Gmbh SCREWLESS CONNECTING TERMINAL

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Publication number Priority date Publication date Assignee Title
WO2012083320A1 (en) 2010-12-21 2012-06-28 Tridonic Connection Technology Gmbh & Co Kg Connection terminal or connecting terminal for electrical conductors
DE102014205299A1 (en) 2013-03-21 2014-09-25 Tridonic Connection Technology Gmbh & Co Kg Connection or connection terminal for electrical conductors, as well as luminaire

Also Published As

Publication number Publication date
ES2177490T3 (en) 2002-12-16
EP1045475A3 (en) 2001-04-04
DE19917142C1 (en) 2001-01-11
EP1045475A2 (en) 2000-10-18
ATE219606T1 (en) 2002-07-15

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