EP0111245B1 - Lockable electrical tab receptacle, and electrical connector equipped with the same - Google Patents

Lockable electrical tab receptacle, and electrical connector equipped with the same Download PDF

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Publication number
EP0111245B1
EP0111245B1 EP83111992A EP83111992A EP0111245B1 EP 0111245 B1 EP0111245 B1 EP 0111245B1 EP 83111992 A EP83111992 A EP 83111992A EP 83111992 A EP83111992 A EP 83111992A EP 0111245 B1 EP0111245 B1 EP 0111245B1
Authority
EP
European Patent Office
Prior art keywords
tongue
tab
base
receptacle
tab receptacle
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
Application number
EP83111992A
Other languages
German (de)
French (fr)
Other versions
EP0111245A1 (en
Inventor
Klaus Enneper
Heinrich Keunecke
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.)
Kabelwerke Reinshagen GmbH
Original Assignee
Kabelwerke Reinshagen GmbH
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 Kabelwerke Reinshagen GmbH filed Critical Kabelwerke Reinshagen GmbH
Publication of EP0111245A1 publication Critical patent/EP0111245A1/en
Application granted granted Critical
Publication of EP0111245B1 publication Critical patent/EP0111245B1/en
Expired 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • 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
    • Y10S439/948—Contact or connector with insertion depth limiter

Definitions

  • the invention relates to a lockable electrical sheet metal socket formed from sheet metal with a substantially channel-shaped receiving part, which has a bottom and edged side walls, free edge portions of the side walls being arched inward above the floor for receiving a complementary flat tab between two raised protrusions and the convex edge sections, with a tongue which is formed in one piece with the bottom and which extends rearward from the front end of the receiving part within the latter, the upper surface of which is provided within the receiving part with a tab which projects obliquely backwards from the tongue to the convex edge sections of the side walls , which is designed such that it engages in a corresponding recess or opening in the complementary flat connector when this is inserted into the flat connector, whereby the flat connector against being pulled out of the Flat receptacle can be secured, and with a release member at the free end of the tongue, by the actuation of which the tongue is resiliently bendable towards the bottom, so that the tab provided on the tongue can be released from the flat plug inserted into the flat
  • the invention is based on a flat receptacle and an electrical connector, as are known from FR-A-2 504 741.
  • the tongues are extended beyond the plug-in or receiving area and then angled upward to form a releasing member, and each penetrate a recess in the convex edge portions which protrude from the floor.
  • the invention has for its object to provide a lockable flat receptacle of the type mentioned, in which despite the attachment of a release member on the bent tongue, the length of the tongue is very short and consequently ur a narrow sheet metal strip is required to manufacture the flat receptacle and further has a low overall height.
  • a corresponding connector is also to be created.
  • This training has the advantage that the point of attack on the release link - over the insertion length, d. H. seen over the length of the receiving part - is between the locking tab and the rear end of the flat receptacle, despite the arrangement of the bent tongue. Due to this small distance of the point of application from the locking tab, only a slight deflection of the tongue end is required in order to pull the locking tab out of the opening or recess of the tab connector. The release link no longer protrudes above the floor or over the edge sections, so that the overall height of the flat receptacle is reduced. A central receptacle of the tab connector between the floor and edge sections is also possible.
  • each indentation comprises at least one shape extending in the direction of the free edge sections.
  • the free edge sections can initially be curved inwards, towards the floor, but then end with a short section pointing away from the floor.
  • the arch-shaped contact surfaces of the edge sections or the stampings obtained are then also refined after punching and bending. B. covered with tin.
  • the convex edge sections can have fingers behind the free end of the tongue, which extend downward and end below the free end. The fingers then serve as a plug-in limitation for the flat plug to be inserted.
  • the flat receptacle is characterized in that, in a symmetrical arrangement, two tabs of the tongue are formed as angles, which consist of an approximately horizontal part which extends in the plane of the tongue and an approximately vertical part which extends towards the floor exist, and that each approximately vertical part penetrates a slot.
  • An electrical connector with a flat receptacle has a Insulating housing in which the, flat socket is axially movable between two stops and in which at least one lower wall part is provided with an obliquely upward surface, which with an axial displacement of the flat socket relative to the housing with at least one tab of the
  • Tongue comes into sliding engagement, whereby the resilient bending of the tongue required for releasing is effected, and is characterized in that the inclined surfaces on the lower part of the wall are arranged within the indentations of the flat plug socket, as a result of which an extremely low overall height of the corresponding housing can be achieved.
  • a central arrangement of the plug-in area within the housing is possible, so that the flat plug socket can also be inserted into the housing offset by 180, ie. H. can be mounted on an envelope.
  • the flat receptacle is formed from tin-plated metal sheet and is provided with a connecting claw 2 for connection to a conductor, not shown. Such a connecting claw can be used for connection by means of crimping, welding, soldering and the like.
  • the front end of the flat receptacle 1 is designed as a receiving part 3 for a flat plug.
  • the flat receptacle 1 is constructed symmetrically so that the same parts are provided with the same reference numbers.
  • the likewise symmetrical receiving part 3 comprises a central bottom 4, to which stepped side walls 5 adjoin.
  • the side walls 5 consist of a first section 5a initially projecting at right angles from the bottom 4, a second section 5b which adjoins approximately horizontally and a third section 5c which in turn adjoins at right angles and which, finally bent, points back to the bottom 4 as a free edge section 6 .
  • the shape of the side walls 5 results in two indentations 5d running in the plugging direction of the flat plug socket. By bending away the ends 6a of the edge sections 6, two rounded edges 6b, pointing towards the bottom q, result in the front receiving area 3, cf.
  • Figure 2 By bending away the ends 6a of the edge sections 6, two rounded edges 6b, pointing towards the bottom q, result in the front receiving area 3, cf. Figure 2.
  • the edge portions 6 in the form of fingers 8 as a stop for the flat plug to be accommodated are bent further downward toward the bottom 4.
  • the edge portions 6 in the form of fingers 8 are bent further downward toward the bottom 4.
  • upwardly rounded shapes 9 are pressed out in the front region.
  • the indentations 5d are provided with slots 10, the width of which extends into the first and third sections 5a and 5c.
  • a tongue 11 is formed on the base 4 at the front end, which is slightly narrower than the distance between the two sections 5a.
  • the tongue 11 is bent upwards and backwards in the direction of the floor 4 by 180 ° and extends obliquely to the rear.
  • the tongue 11 ends within the receiving part 3 and lies with its rear end of the upper surface 12 against the rounded edges 6b of the edge sections 6, cf.
  • Figure. 1 In the central region of the tongue 11, a barb in the form of a tab 13 is punched out of the plane of the tongue 11.
  • the tab 13 forms a locking edge 14 for the flat plug to be inserted, cf.
  • Two tabs 16 formed laterally on the rear, free end 15 of the tongue 11 serve as release members.
  • Each tab 16 is shaped as an angle, with a horizontal part 17, which runs laterally next to the free end 15 of the tongue 11, and with one vertical part 18, which adjoins the horizontal part 17 downwards.
  • Each tab 16 penetrates the slots 10 with play with the vertical part 18, emerges from the bottom of the slots 5 and extends forward with a rounding 19, i. H. in the direction of the front end of the receiving part 3, see FIG. 3.
  • the vertical part 18 has a sloping surface 20 pointing towards the tongue 11, which slopes towards the front end of the receiving part 3.
  • a barb 21 punched out from the central region of the base 4 serves to latch the flat plug socket 1 in a housing.
  • the flat receptacle 1 is in a housing 22 made of insulating plastic, for. B. made of polyamide, to form an electrical connector 23.
  • the housing 22 is also constructed symmetrically and has one channel-shaped passage 24 with an upper wall 25, a lower wall 26 and side walls 27 and 28.
  • two grooves 33 are made in a symmetrical arrangement, which emerge in the rear area of the housing 22 which is broken off in FIGS. 3 and 4.
  • the surface 35 ends with an edge 37, which is adjoined by a stop surface 38 running vertically upwards.
  • the stop surface 38 opens into the bottom surfaces 39 of the passage 24, cf. Figures 3 to 5.
  • the housing bevels 40 are molded for the insertion of a tab described below.
  • the flat receptacle 1 is pushed into the housing 22 from the rear, see FIG. 3, until the barb 21 snaps into the groove 29 and is held in the housing 22 by the shoulder 30.
  • the second latching takes place by engaging the tab 31 which bends away during insertion behind the abutment surface 32.
  • the tabs 16 are located partly inside, partly below the slots 10 of the flat socket 1.
  • the vertical parts 18 hit the abutment surfaces during a further displacement 38 on, so that the flat receptacle 1 is secured with a predetermined play against displacement in both axial directions, cf. Figure 3.
  • FIG. 4 to 6 The connection with a flat plug is shown in Figures 4 to 6.
  • a flat plug 41 made of sheet metal and having an opening 42 is pushed between the tongue 11 and the edges 6b of the edge sections 6 until the tab 13 enters the opening 42.
  • the tongue 11 bends towards the bottom 4, so that the vertical parts 18 of the tabs 16 are bent further downward.
  • the edge sections 6 are somewhat bent, and the tab 41 is clamped between the edge sections 6 and the features 9, cf. in particular Figure 5.
  • the latch 13 prevents by its latching in the opening 42 that simply pulling on the flat connector 41 or on the flat connector 1, a release of the electrical connection is possible.
  • An excessive insertion of a tab 41 is opposed by the fingers 8, which extend further downward behind the free end 15 of the tongue 11 than the rounded edges 6b and thus form an axial stop 8a for the tab 41.
  • a loosening of the connection is possible by a further bending of the tongue 11 in the direction of the lower wall 26 of the housing 22, because the tab 13 then comes out of the opening 42 again.
  • the further deflection of the tongue 11 is possible by a further bending of the tongue 11 in the direction of the lower wall 26 of the housing 22, because the tab 13 then comes out of the opening 42 again.
  • the invention is particularly applicable to electrical devices, apparatus, devices and machines, in particular when they are exposed to vibrations, and also in the electrical wiring of automobiles. It serves for the permanent but easily detachable electrical connection of electrical lines with other electrical lines or of other electrical components with electrical lines.

Description

Die Erfindung betrifft eine verriegelbare aus Metallblech geformte elektrische Flachsteckbuchse mit einem im wesentlichen kanalförmigen Aufnahmeteil, der einen Boden und hochkantige Seitenwände aufweist, wobei freie Randabschnitte der Seitenwände über dem Boden nach innen eingewölbt sind zur Aufnahme eines komplementär ausgebildeten Flachsteckers zwischen zwei vom Boden hochstehenden Erhebungen und den eingewölbten Randabschnitten, mit einer mit dem Boden einstückig ausgebildeten, sich vom vorderen Ende des Aufnahmeteils innerhalb von diesem nach hinten erstreckenden Zunge, deren obere Fläche innerhalb des Aufnahmeteils mit einer von der Zunge schräg nach hinten zu den eingewölbten Randabschnitten der Seitenwände hochstehenden Lasche versehen ist, die derart ausgebildet ist, daß sie in eine entsprechende Ausnehmung oder öffnung im komplementär ausgebildeten Flachstecker eingreift, wenn dieser in die Flachsteckbuchse eingeschoben ist, wodurch der Flachstecker gegen Herausziehen aus der Flachsteckbuchse sicherbar ist, und mit einem Löseglied am freien Ende der Zunge, durch dessen Betätigung die Zunge federnd zum Boden hin biegbar ist, so daß die an der Zunge vorgesehene Lasche aus dem in die Flachsteckbuchse eingeschobenen Flachstecker lösbar ist.The invention relates to a lockable electrical sheet metal socket formed from sheet metal with a substantially channel-shaped receiving part, which has a bottom and edged side walls, free edge portions of the side walls being arched inward above the floor for receiving a complementary flat tab between two raised protrusions and the convex edge sections, with a tongue which is formed in one piece with the bottom and which extends rearward from the front end of the receiving part within the latter, the upper surface of which is provided within the receiving part with a tab which projects obliquely backwards from the tongue to the convex edge sections of the side walls , which is designed such that it engages in a corresponding recess or opening in the complementary flat connector when this is inserted into the flat connector, whereby the flat connector against being pulled out of the Flat receptacle can be secured, and with a release member at the free end of the tongue, by the actuation of which the tongue is resiliently bendable towards the bottom, so that the tab provided on the tongue can be released from the flat plug inserted into the flat receptacle.

Derartige Buchsen und Verbinder werden überall da eingesetzt, wo eine dauerhafte elektrische Verbindung gewährleistet sein soll.Such sockets and connectors are used wherever a permanent electrical connection should be guaranteed.

Es sind schon verschiedene Formen von verriegelbaren elektrischen Flachsteckbuchsen vorgeschlagen worden vergleiche die US-A-2,682,040, US-A-3,076,171, US-A-3,976,348 A DE-B-25 18 003. Ein elektrischer Verbinder mit einer verriegelbaren Buchse, die durch Verschieben innerhalb eines Gehäuses lösbar ist, ist bekannt durch die US-A-3,796,987, US-A-3,976,348 A DE-B-25 18 003 und die DE-A-29 24 596.Various forms of lockable electrical flat receptacles have been proposed, see US-A-2,682,040, US-A-3,076,171, US-A-3,976,348 A DE-B-25 18 003. An electrical connector with a lockable socket that can be moved is detachable within a housing is known from US-A-3,796,987, US-A-3,976,348 A DE-B-25 18 003 and DE-A-29 24 596.

Die Erfindung geht aus von einer Flachsteckbuchse und von einem elektrischen Verbinder, wie sie aus der FR-A-2 504 741 bekannt sind. Dort sind die Zungen über den Steck- oder Aufnahmebereich hinaus verlängert und dann zur Bildung eines Lösegliedes nach oben abgewinkelt und durchdringen je eine Ausnehmung der vom Boden hochstehenden, eingewölbten Randabschnitte.The invention is based on a flat receptacle and an electrical connector, as are known from FR-A-2 504 741. There, the tongues are extended beyond the plug-in or receiving area and then angled upward to form a releasing member, and each penetrate a recess in the convex edge portions which protrude from the floor.

Der Erfindung liegt die Aufgabe zugrunde, eine verriegelbare Flachsteckbuchse der eingangs genannten Art zu schaffen, bei der trotz Anbringung eines Lösegliedes an der umgebogenen Zunge die Länge der Zunge sehr kurz ist und folglich ur ein schmaler Blechstreifen, zur Herstellung der Flachsteckbuchse erforderlich ist und die ferner eine geringe Bauhöhe aufweist.The invention has for its object to provide a lockable flat receptacle of the type mentioned, in which despite the attachment of a release member on the bent tongue, the length of the tongue is very short and consequently ur a narrow sheet metal strip is required to manufacture the flat receptacle and further has a low overall height.

Des weiteren soll ein entsprechender Verbinder geschaffen werden.A corresponding connector is also to be created.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst,

  • a) daß zwischen jeder Seitenwand und dem Boden eine in Steckrichtung verlaufende Einbuchtung angeordnet ist,
  • b) daß der Flachstecker in den Raum zwischen den Einbuchtungen und den eingewölbten Randabschnitten schiebbar ist,
  • c) daß das Löseglied aus mindestens einem am freien Ende, der Zunge seitlich etwa senkrecht nach unten gebogenen Lappen besteht,
  • d) daß der Lappen mit einem nach dem vorderen Ende des Aufnahme-teiles sich erstreckenden etwa senkrechten Teil endet,
  • e) daß der etwa senkrechte Teil im Querschnitt kleiner ausgebildet ist als ein in der Ausbuchtung angeordneter Schlitz
  • f) und daß der etwa senkrechte Teil den Schlitz durchdringt und unten aus dem Schlitz aus.
According to the invention, this object is achieved by
  • a) that an indentation extending in the plugging direction is arranged between each side wall and the bottom,
  • b) that the flat plug can be pushed into the space between the indentations and the convex edge sections,
  • c) that the release member consists of at least one tab bent at the free end, the tongue laterally approximately vertically downward,
  • d) that the flap ends with an approximately vertical part extending towards the front end of the receiving part,
  • e) that the approximately vertical part is made smaller in cross section than a slot arranged in the bulge
  • f) and that the approximately vertical part penetrates the slot and below from the slot.

Diese Ausbildung hat den Vorteil, daß der Angriffspunkt am Löseglied - über die Stecklänge, d. h. über die Länge des Aufnahmeteiles gesehen - sich zwischen der Verriegelungslasche und dem hinteren Ende der Flachsteckbuchse befindet, und zwar trotz Anordnung der umgebogenen Zunge. Durch diese geringe Entfernung des Angriffspunktes von der Verriegelungslasche ist nur eine geringe Durchbiegung des Zungenendes erforderlich, um die Verriegelungslasche aus der Öffnung oder Ausnehmung des Flachsteckers zu ziehen. Das Löseglied steht hier nicht mehr über dem Boden bzw. über den Randabschnitten hervor, so daß die Bauhöhe der Flachsteckbuchse vermindert ist. Auch ist eine mittige Aufnahme des Flachsteckers zwischen Boden und Randabschnitten möglich.This training has the advantage that the point of attack on the release link - over the insertion length, d. H. seen over the length of the receiving part - is between the locking tab and the rear end of the flat receptacle, despite the arrangement of the bent tongue. Due to this small distance of the point of application from the locking tab, only a slight deflection of the tongue end is required in order to pull the locking tab out of the opening or recess of the tab connector. The release link no longer protrudes above the floor or over the edge sections, so that the overall height of the flat receptacle is reduced. A central receptacle of the tab connector between the floor and edge sections is also possible.

Eine Ausführung der Erfindung sieht vor, daß jede Einbuchtung mindestens eine sich in Richtung auf die freien Randabschnitte erstreckende Ausprägung umfaßt. Die freien Randabschnitte können zunächst nach innen, zum Boden hin, gewölbt sein, dann jedoch mit einem kurzen, vom Boden wegweisenden Abschnitt enden. Durch diese vorgenannte Ausbildung ist es möglich, die Oberflächen des Blechmaterials noch vor dem Stanzen und Biegen zu veredeln, z. B. zu verzinnen. Die erzielten bogenformigen Auflageflächen der Randabschnitte bzw. der Ausprägungen sind dann auch nach dem Stanzen und Biegen noch veredelt, also z. B. mit Zinn bedeckt. Weiterhin können die eingewölbten Randabschnitte hinter dem freien Ende der Zunge Finger aufweisen, die sich nach unten erstrecken und unterhalb des freien Endes enden. Die Finger dienen dann als Einschubbegrenzung für den einzuführenden Flachstecker. In weiterer Fortbildung der Erfindung ist die Flachsteckbuchse dadurch gekennzeichnet, daß in symmetrischer Anordnung zwei Lappen der Zunge als Winkel ausgebildet sind, die aus einem etwa waagerechten, in der Ebene der Zunge sich erstreckenden Teil und aus einem etwa senkrechten, sich zum Boden hin erstreckenden Teil bestehen, und daß jedes etwa senkrechte Teil einen Schlitz durchdringt.An embodiment of the invention provides that each indentation comprises at least one shape extending in the direction of the free edge sections. The free edge sections can initially be curved inwards, towards the floor, but then end with a short section pointing away from the floor. Through this aforementioned training, it is possible to finish the surfaces of the sheet material before punching and bending, z. B. tinning. The arch-shaped contact surfaces of the edge sections or the stampings obtained are then also refined after punching and bending. B. covered with tin. Furthermore, the convex edge sections can have fingers behind the free end of the tongue, which extend downward and end below the free end. The fingers then serve as a plug-in limitation for the flat plug to be inserted. In a further development of the invention, the flat receptacle is characterized in that, in a symmetrical arrangement, two tabs of the tongue are formed as angles, which consist of an approximately horizontal part which extends in the plane of the tongue and an approximately vertical part which extends towards the floor exist, and that each approximately vertical part penetrates a slot.

Ein elektrischer Verbinder mit einer erfindungsgemäßen Flachsteckbuchse hat ein isolierendes Gehäuse, in dem die , Flachsteckbuchse zwischen zwei Anschlägen axial bewegbar ist und bei dem mindestens ein unterer Wandungsteil mit einer schräg nach oben verlaufenden Fläche versehen ist, die bei einer axialen Verschiebung der Flachsteckbuchse gegenüber dem Gehäuse mit mindestens einem Lappen derAn electrical connector with a flat receptacle according to the invention has a Insulating housing in which the, flat socket is axially movable between two stops and in which at least one lower wall part is provided with an obliquely upward surface, which with an axial displacement of the flat socket relative to the housing with at least one tab of the

Zunge in gleitendem Eingriff kommt, wodurch das zum Lösen erforderliche federnde Verbiegen der Zunge bewirkt ist, und ist dadurch gekennzeichnet, daß die schrägen Flächen am unteren Wandungsteil innerhalb der Einbuchtungen der Flachsteckbuchse angeordnet sind, Hierdurch läßt sich eine äußerst geringe Bauhöhe des entsprechenden Gehäuses erzielen. Außerdem wird eine mittige Anordnung des Steckbereiches innerhalb des Gehäuses möglich, so daß die Flachsteckbuchse auch um 180 versetzt in das Gehause einsetzbar ist, d. h. auf Umschlag montierbar ist.Tongue comes into sliding engagement, whereby the resilient bending of the tongue required for releasing is effected, and is characterized in that the inclined surfaces on the lower part of the wall are arranged within the indentations of the flat plug socket, as a result of which an extremely low overall height of the corresponding housing can be achieved. In addition, a central arrangement of the plug-in area within the housing is possible, so that the flat plug socket can also be inserted into the housing offset by 180, ie. H. can be mounted on an envelope.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt.

  • Figur 1 zeigt eine perspektivische Ansicht einer erfindungsgemäßen Flachsteckbuchse. Zum besseren Verständnis ist ein Teil, nämlich oberhalb der strichpunktierten Linie, einer Seitenwand herausgebrochen.
  • Figur 2 zeigt eine vordere Endansicht der Flachsteckbuchse von der linken Seite von Figur 1 her gesehen, jedoch ohne Darstellung der Anschlagkralle.
  • Figur 3 zeigt einen Teil-Längsschnitt durch einen Verbinder aus einer Flachsteckbuchse und einem zugehörigen Gehäuse. Der Schnittverlauf in der Flachsteckbuchse ist in Figur 2 mit 111-111 gekennzeichnet. Der Schnittverlauf im Gehäuse entspricht dem Schnittverlauf IV-IV in Figur 5. Figur 4 zeigt den gleichen Teil-Längsschnitt wie Figur 3, jedoch bei eingeschobenem Flachstecker, entsprechend der Linie IV-IV in Figur 5. Zusätzlich ist der mittlere Verriegelungsbereich teilweise geschnitten.
  • Figur 5 zeigt einen Querschnitt durch den Verbinder nach der Linie V-V in Figur 4.
  • Figur 6 zeigt eine perspektivische Ansicht eines erfindungsgemäßen Verbinders aus einem Gehäuse mit eingesetzter Flachsteckbuchse, wie sie in den Figuren 1 und 2 bzw. in den Figuren 3-5 dargestellt sind.
In the drawing, an embodiment of the invention is shown.
  • Figure 1 shows a perspective view of a flat receptacle according to the invention. For better understanding, a part of a side wall has broken out, namely above the dash-dotted line.
  • Figure 2 shows a front end view of the flat receptacle seen from the left side of Figure 1, but without showing the stop claw.
  • Figure 3 shows a partial longitudinal section through a connector from a flat receptacle and an associated housing. The course of the cut in the flat receptacle is labeled 111-111 in FIG. The course of the cut in the housing corresponds to the course of the cut IV-IV in FIG. 5. FIG. 4 shows the same partial longitudinal section as FIG. 3, but with the flat plug inserted, corresponding to the line IV-IV in FIG. 5. In addition, the middle locking area is partially cut.
  • FIG. 5 shows a cross section through the connector along the line VV in FIG. 4.
  • Figure 6 shows a perspective view of a connector according to the invention from a housing with an inserted flat socket, as shown in Figures 1 and 2 or in Figures 3-5.

Im folgenden wird die Erfindung anhand eines Ausführungsbeispieles in den Zeichnungen erläutert. Die Flachsteckbuchse ist aus verzinntem Metallblech geformt und zur Verbindung mit einem Leiter, nicht dargestellt, mit einer Verbindungskralle 2 versehen. Eine solche Verbindungskralle kann zum Anschluß mittels Krimpen, Schweißen, Löten und dergl. dienen. Das vordere Ende der Flachsteckbuchse 1 ist als Aufnahmeteil 3 für einen Flachstecker ausgebildet. Die Flachsteckbuchse 1 ist symmetrisch aufgebaut, so daß gleiche Teile mit gleichen Bezugsziffern versehen werden.The invention is explained below using an exemplary embodiment in the drawings. The flat receptacle is formed from tin-plated metal sheet and is provided with a connecting claw 2 for connection to a conductor, not shown. Such a connecting claw can be used for connection by means of crimping, welding, soldering and the like. The front end of the flat receptacle 1 is designed as a receiving part 3 for a flat plug. The flat receptacle 1 is constructed symmetrically so that the same parts are provided with the same reference numbers.

Das ebenfalls symmetrische Aufnahmeteil 3 umfaßt einen mittigen Boden 4, an den sich gestufte Seitenwände 5 anschließen. Die Seitenwände 5 bestehen aus einem zunächst, rechtwinklig vom Boden 4 abstehenden ersten Abschnitt 5a, einem sich etwa waagerecht anschließenden zweiten Abschnitt 5b und einem sich wiederum senkrecht an-schließenden dritten Abschnit 5c, der schließlich gebogen als freier Randabschnitt 6 wieder auf den Boden 4 zuweist. Durch die Formgebung der Seitenwände 5 ergeben sich zwei in Steckrichtung der Flachsteckbuchse verlaufende Einbuchtungen 5d. Durch Wegbiegen der Enden 6a der Randabschnitte 6 ergeben sich im vorderen Aufnahmebereich 3 zwei abgerundete, zum Boden q hinweisende Kanten 6b, vgl. Figur 2. Getrennt durch einen kleinen Ausschnitt 7 sind im hinteren Aufnahmebereich 3 die Randabschnitte 6 in Form von Fingern 8 als Anschlag für den aufzunehmenden Flachstecker weiter nach unten, zum Boden 4 hin, gebogen. Aus dem zweiten Abschnitt 5b der Seitenwände 5 sind im vorderen Bereich nach oben abgerundete Ausprägungen 9 herausgedrückt. Im hinteren Bereich des Aufnahmeteils 3 sind die Einbuchtungen 5d mit Schlitzen 10 versehen, deren Breite bis in die ersten und dritten Abschnitte 5a bzw. 5c reichen.The likewise symmetrical receiving part 3 comprises a central bottom 4, to which stepped side walls 5 adjoin. The side walls 5 consist of a first section 5a initially projecting at right angles from the bottom 4, a second section 5b which adjoins approximately horizontally and a third section 5c which in turn adjoins at right angles and which, finally bent, points back to the bottom 4 as a free edge section 6 . The shape of the side walls 5 results in two indentations 5d running in the plugging direction of the flat plug socket. By bending away the ends 6a of the edge sections 6, two rounded edges 6b, pointing towards the bottom q, result in the front receiving area 3, cf. Figure 2. Separated by a small cutout 7 in the rear receiving area 3, the edge portions 6 in the form of fingers 8 as a stop for the flat plug to be accommodated are bent further downward toward the bottom 4. From the second section 5b of the side walls 5, upwardly rounded shapes 9 are pressed out in the front region. In the rear area of the receiving part 3, the indentations 5d are provided with slots 10, the width of which extends into the first and third sections 5a and 5c.

Dem Boden 4 ist am Vorderende eine Zunge 11 angeformt, die etwas schmaler ist als der Abstand der beiden Abschnitte 5a zueinander. Die Zunge 11 ist nach oben und nach hinten in Richtung auf den Boden 4 zu um 180° umgebogen und erstreckt sich schräg nach hinten. Die Zunge 11 endet innerhalb des Aufnahmeteils 3 und liegt mit ihrem hinteren Ende der oberen Fläche 12 an den abgerundeten Kanten 6b der Randabschnitte 6 an, vgl. Figur. 1. Im mittleren Bereich der Zunge 11 ist aus der Ebene der Zunge 11 ein Widerhaken in Form einer Lasche 13 nach oben herausgestanzt. Die Lasche 13 bildet eine Rastkante 14 für den einzuschiebenden Flachstecker, vgl. Figur 4. Als Löseglied dienen zwei am hinteren, freien Ende 15 der Zunge 11 seitlich angeformte Lappen 16. jeder Lappen 16 ist als Winkel geformt, mit einem waagerechten Teil 17, der seitlich neben dem freien Ende 15 der Zunge 11 verläuft, und mit einem aenkrechten Teil 18, der sich nach unten an den waagerechten Teil 17 anschließt. Jeder Lappen 16 durchdringt mit dem senkrechten Teil 18 die Schlitze 10 mit Spiel, trittunten aus den Schlitzen 5 aus und ersteckt sich mit einer Abrundung 19 nach vorne, d. h. in Richtung des vorderen Endes des Aufnahmeteiles 3, siehe Figur 3. Der senkrechte Teil 18 weist eine zur Zunge 11 hinweisende,schräg verlaufende Fläche 20 auf, die zum vorderen Ende des Aufnahmeteiles 3 hin abfällt. Zur Verrastung der Flachsteckbuchse 1 in einem Gehäuse dient ein aus dem mittleren Bereich des Bodens 4 nach unten herausgestanzter Widerhaken 21.A tongue 11 is formed on the base 4 at the front end, which is slightly narrower than the distance between the two sections 5a. The tongue 11 is bent upwards and backwards in the direction of the floor 4 by 180 ° and extends obliquely to the rear. The tongue 11 ends within the receiving part 3 and lies with its rear end of the upper surface 12 against the rounded edges 6b of the edge sections 6, cf. Figure. 1. In the central region of the tongue 11, a barb in the form of a tab 13 is punched out of the plane of the tongue 11. The tab 13 forms a locking edge 14 for the flat plug to be inserted, cf. Figure 4. Two tabs 16 formed laterally on the rear, free end 15 of the tongue 11 serve as release members. Each tab 16 is shaped as an angle, with a horizontal part 17, which runs laterally next to the free end 15 of the tongue 11, and with one vertical part 18, which adjoins the horizontal part 17 downwards. Each tab 16 penetrates the slots 10 with play with the vertical part 18, emerges from the bottom of the slots 5 and extends forward with a rounding 19, i. H. in the direction of the front end of the receiving part 3, see FIG. 3. The vertical part 18 has a sloping surface 20 pointing towards the tongue 11, which slopes towards the front end of the receiving part 3. A barb 21 punched out from the central region of the base 4 serves to latch the flat plug socket 1 in a housing.

Gemäß den Figuren 3 bis 6 ist die Flachsteckbuchse 1 in ein Gehäuse 22 aus isolierendem Kunststoff, z. B. aus Polyamid, zur Bildung eines elektrischen Verbinders 23 eingeschoben. Das Gehäuse 22 ist ebenfalls symmetrisch aufgebaut und weist einen kanalförmigen Durchgang 24 mit einer oberen Wand 25, einer unteren Wand 26 und Seitenwänden 27 und 28 auf.According to Figures 3 to 6, the flat receptacle 1 is in a housing 22 made of insulating plastic, for. B. made of polyamide, to form an electrical connector 23. The housing 22 is also constructed symmetrically and has one channel-shaped passage 24 with an upper wall 25, a lower wall 26 and side walls 27 and 28.

Am vorderen, steckerseitigen Ende ist in der unteren Wand 26 eine nach vorne austretende Nut 29 mit einer Schulter 30 für den Widerhaken 21 angeordnet. Eine zweite Verrastung der Flachsteckbuchse 1 ist dadurch erzielt, daß der oberen Wand 25 des Gehäuses 22 eine biegbare Lasche 31 angeformt ist, die mit einer Anschlagfläche 32 hinter den Fingern 8 liegt, vgl. Figuren 3 und 4.At the front, plug-side end, a groove 29 with a shoulder 30 for the barb 21 emerges to the front in the lower wall 26. A second latching of the flat receptacle 1 is achieved in that the upper wall 25 of the housing 22 is formed with a flexible tab 31, which lies behind the fingers 8 with a stop surface 32, cf. Figures 3 and 4.

In die untere Wand 26 sind in symmetrischer Anordnung zwei Nuten 33 eingebracht, die im hinteren, in den Figuren 3 und 4 abgebrochenen Bereich des Gehäuses 22 austreten. Die Nuten 33 enden innerhalb des Gehäuses 24 unter Bildung eines Spaltes 34 mit einer Fläche 35, die schräg in einem Winkel x= 20° zur Grundfläche 36 der Nut 33 verläuft. Die Fläche 35 endet mit einer Kante 37, an die sich eine senkrecht nach oben verlaufende.Anschlagfläche 38 anschließt. Die Anschlagfläche 38 mündet in die Bodenflächen 39 des Durchganges 24, vgl. Figuren 3 bis 5. Am steckerseitigen Ende sind dem Gehäuse 22 Einführungsschrägen 40 für die nachstehend beschriebene Einführung eines Flachsteckers angeformt.In the lower wall 26, two grooves 33 are made in a symmetrical arrangement, which emerge in the rear area of the housing 22 which is broken off in FIGS. 3 and 4. The grooves 33 end within the housing 24 to form a gap 34 with a surface 35 that extends obliquely at an angle x = 20 ° to the base surface 36 of the groove 33. The surface 35 ends with an edge 37, which is adjoined by a stop surface 38 running vertically upwards. The stop surface 38 opens into the bottom surfaces 39 of the passage 24, cf. Figures 3 to 5. At the plug end 22, the housing bevels 40 are molded for the insertion of a tab described below.

Die Flachsteckbuchse 1 ist in das Gehäuse 22 von hinten eingeschoben, siehe Figur 3, bis der Widerhaken 21 in die Nut 29 einschnappt und durch die Schulter 30 im Gehäuse 22 festgehalten wird. Die zweite Verrastung erfolgt durch Anlage der sich beim Einschieben wegbiegenden Lasche 31 hinter die Anschlagfläche 32. Nach dem Einschieben befinden sich die Lappen 16 teils innerhalb, teils unterhalb der Schlitze 10 der Flachsteckbuchse 1. Die senkrechten Teile 18 treffen bei einer weiteren Verschiebung auf die Anschlagflächen 38 auf, so daß die Flachsteckbuchse 1 mit vorbestimmtem Spiel gegen eine Verschiebung in beiden axialen Richtungen gesichert ist, vgl. Figur 3.The flat receptacle 1 is pushed into the housing 22 from the rear, see FIG. 3, until the barb 21 snaps into the groove 29 and is held in the housing 22 by the shoulder 30. The second latching takes place by engaging the tab 31 which bends away during insertion behind the abutment surface 32. After insertion, the tabs 16 are located partly inside, partly below the slots 10 of the flat socket 1. The vertical parts 18 hit the abutment surfaces during a further displacement 38 on, so that the flat receptacle 1 is secured with a predetermined play against displacement in both axial directions, cf. Figure 3.

Die Verbindung mit einem Flachstecker ist in den Figuren 4 bis 6 dargestellt. Ein aus Metallblech gefalteter Flachstecker 41 mit einer Öffnung 42 ist zwischen die Zunge 11 und die Kanten 6b der Randabschnitte 6 geschoben, bis die Lasche 13 in die Öffnung 42 eintritt. Hierbei verbiegt sich die Zunge 11 zum Boden 4 hin, so daß die senkrechten Teile 18 der Lappen 16 weiter nach unten gebogen werden. Die Flächen 20 befinden sich nun vor den Kanten 37 und bilden mit der unteren Wand 26 des Gehäuses 22 einen Winkel ß=35°. Die Randabschnitte 6 sind etwas durchgebogen, und der Flachstecker 41 ist zwischen den Randabschnitten 6 und den Ausprägungen 9 festgeklemmt, vgl. insbesondere Figur 5. Die Lasche 13 verhindert durch ihre Verrastung in der Öffnung 42, daß durch bloßes Ziehen am Flachstecker 41 oder an der Flachsteckbuchse 1 ein Lösen der elektrischen Verbindung möglich ist. Einem zu weiten Einschieben eines Flachsteckers 41 setzen sich die Finger 8 entgegen, die sich hinter dem freien Ende 15 der Zunge 11 weiter nach unten erstrecken als die abgerundeten Kanten 6b und somit einen axialen Anschlag 8a für den Flachstecker 41 bilden.The connection with a flat plug is shown in Figures 4 to 6. A flat plug 41 made of sheet metal and having an opening 42 is pushed between the tongue 11 and the edges 6b of the edge sections 6 until the tab 13 enters the opening 42. Here, the tongue 11 bends towards the bottom 4, so that the vertical parts 18 of the tabs 16 are bent further downward. The surfaces 20 are now in front of the edges 37 and form an angle β = 35 ° with the lower wall 26 of the housing 22. The edge sections 6 are somewhat bent, and the tab 41 is clamped between the edge sections 6 and the features 9, cf. in particular Figure 5. The latch 13 prevents by its latching in the opening 42 that simply pulling on the flat connector 41 or on the flat connector 1, a release of the electrical connection is possible. An excessive insertion of a tab 41 is opposed by the fingers 8, which extend further downward behind the free end 15 of the tongue 11 than the rounded edges 6b and thus form an axial stop 8a for the tab 41.

Ein Lösen der Verbindung ist durch ein weiteres Durchbiegen der Zunge 11 in Richtung auf die untere Wand 26 des Gehäuses 22 möglich, denn dann tritt die Lasche 13 wieder aus der Öffnung 42 heraus. Die weitere Durchbiegung derA loosening of the connection is possible by a further bending of the tongue 11 in the direction of the lower wall 26 of the housing 22, because the tab 13 then comes out of the opening 42 again. The further deflection of the

Zunge 11 zum Zwecke des Lösens der Verbindung ist wie folgt möglich:

  • Während der Flachstecker 41 bzw. sein nicht dargestelltes Gehäuse, festgehalten wird, wird das Gehäuse 22 der Flachsteckbuchse 1 weg vom Flachstecker 41 gezogen, d. h. nach rechts in den Figuren 3 und 4. Dies hat zur Folge, daß die schrägen Flächen 20, die nun in einem Winkel β1 ≈ 30° zu den Grundflächen 36 bzw. zur unteren Wand 26 des Gehäuses 22 verlaufen, auf die Kanten 37 auftreffen. Bei weiterer Relativverschiebung des Gehäuses 22 gleiten die Kanten 37 über die Flächen 20 und ziehen die Lappen 16 weiter nach unten in Richtung auf die Grundflächen 36. Da die winkelförmigen Lappen 16 mit dem Ende I5,der Zunge 11 verbunden sind, wird auch die Zunge 11 1 nach unten, d. h. zum Boden 4 der Flachsteckbuchse 1 hin gebogen. Das weitere Verschieben des Gehäuses 22 hat zur Folge, daß der Lappen 13 der Zunge 11 aus der öffnung 42 des Flachsteckers 41 austritt und die Verriegelung nun gelöst ist. Durch weiteres Ziehen am Gehäuse 22 bzw. am Flachstecker 41 brauchen nur noch die relativ geringen Klemmkräfte zwischen den Randkanten 6b und den Ausprägungen 9 überwunden zu werden, um den Flachstecker 41 aus der Flachsteckbuchse 1 zu ziehen und damit die Steckverbindung zu lösen.
Tongue 11 for the purpose of releasing the connection is possible as follows:
  • While the flat connector 41 or its housing, not shown, is held, the housing 22 of the flat connector 1 is pulled away from the flat connector 41, ie to the right in FIGS. 3 and 4. This has the consequence that the inclined surfaces 20, which are now run at an angle β 1 ≈ 30 ° to the base surfaces 36 or to the lower wall 26 of the housing 22, on which the edges 37 meet. With further relative displacement of the housing 22, the edges 37 slide over the surfaces 20 and pull the tabs 16 further down towards the base areas 36. Since the angular tabs 16 are connected to the end I5, the tongue 11, the tongue 11 also becomes 1 bent downwards, ie towards the bottom 4 of the flat receptacle 1. The further displacement of the housing 22 has the result that the tab 13 of the tongue 11 emerges from the opening 42 of the flat plug 41 and the lock is now released. By pulling the housing 22 or the flat plug 41 further, only the relatively small clamping forces between the edge edges 6b and the forms 9 need to be overcome in order to pull the flat plug 41 out of the flat plug socket 1 and thus to detach the plug connection.

In der Zeichnung ist eine Lösungsmöglichkeit der Verbindung durch ein entsprechend ausgebildetes Gehäuse dargestellt. Ein Lösen ist jedoch auch möglich durch Anwendung eines einfachen Werkzeuges, mit dessen Hilfe die Fortsätze weiter aus der Flachsteckbuchse herausgezogen werden können, Desgleichen ist die Erfindung ohne weiteres verwendbar bei zwei-oder mehrpoligen Steckverbindern.In the drawing, a possible solution for the connection is shown by an appropriately designed housing. However, loosening is also possible by using a simple tool, with the aid of which the extensions can be pulled further out of the flat plug socket. Likewise, the invention can be used without further ado in the case of two-pole or multi-pole plug connectors.

Die Erfindung ist insbesondere anwendbar bei elektrischen Geräten, Apparaten, Vorrichtungen und Maschinen, insbesondere wenn sie Erschütterungen ausgesetzt sind, so auch bei der elektrischen Verdrahtung von Automobilen. Sie dient zur dauerhaften aber leicht lösbaren elektrischen Verbindung von elektrischen Leitungen mit anderen elektrischen Leitungen oder von sonstigen elektrischen Bauteilen mit elektrischen Leitungen.The invention is particularly applicable to electrical devices, apparatus, devices and machines, in particular when they are exposed to vibrations, and also in the electrical wiring of automobiles. It serves for the permanent but easily detachable electrical connection of electrical lines with other electrical lines or of other electrical components with electrical lines.

Claims (6)

1. A lockable electrical tab receptacle (1) formed from sheet metal, with a substantially channel-shaped receiving part (3) which comprises a base (4) and upright side walls (5), free edge portions (6) of the side walls (5) being arched inwards above the base (4) in order to receive a correspondingly formed tab (41) between two raised portions (9) projecting from the base and the arched edge portions (6); with a tongue (11) which is formed integrally with the base (4) and extends from the front end of the receiving part (3) inside the latter towards the rear and the upper surface (12) of which is provided inside the receiving part (3) with a flap (13) which projects from the tongue (11) obliquely to the rear towards the arched edge portions (6) of the side walls (5) and which is formed in such a way that it engages in a corresponding recess or opening (42) in the correspondingly formed tab (41) when the tab is pushed into the tab receptacle (1), so that the tab (41) can be prevented from being pulled out of the tab receptacle (1); and with a releasing member (16) at the free end (15) of the tongue (11), by the actuation of which releasing member the tongue (11) can be resiliently bent towards the base (4), so that the flap (13) provided on the tongue (11) can be released from the tab (41) inserted in the tab receptacle (1), characterized in that
a) an indentation (5d) extending in the direction of insertion is formed between each side wall (5) and the base (4);
b) the tab (41) can be pushed into the space between the indentations (5d) and the arched edge portions (6);
c) the releasing member (16) comprises at least one lug (16) bent downwards laterally and approximately vertically on the free end (15) of the tongue (11);
d) the lug (16) terminates in a part (18) which extends towards the front end of the receiving part (3) and which is approximately perpendicular to the base (4) of the receiving part (3);
e) the approximately perpendicular part (18) is made smaller in cross-section than a slot (10) formed in the indentation (5d);
f) and the approximately perpendicular part (18) passes through the slot (10) and passes out of the slot (10) below.
2. A tab receptacle according to claim 1, characterized in that each indentation (5d) includes at least one raised portion (9) extending towards the free edge portions (6),
3. A tab meceptacle according to claim 1 or 2, characterized in that the free edge portions (6) are first curved inside towards the base and then terminate in a short portion (6a) directed away from the base. '
4. A tab receptacle according to any one of claims 1 to 3, characterized in that the arched edge portions (6) comprises fingers (8) behind the free end (15) of the tongue (11), which fingers extend downwards and terminate below the free end (15) of the tongue (11).
5. A tab receptacle according to any one of claims 1 to 4, characterized in that two lugs (16) of the tongue (11) are formed as angles in a symmetrical arrangement and comprise a horizontal part (17) extending in the plane of the tongue (11) and a vertical part (18) extending towards the base (4), and each vertical part (18) passes through a slot (10).
6. An electrical connector with a tab receptacle (1) according to any one of claims 1 to 5 and with an insulating casing (22) in which the tab receptacle (1) is axially movable between two stops (38, 32) and in which at least one lower wall (29) is provided with a surface (35) which extends obliquely upwards and which engages with at least one lug (16) of the tongue (11) in a sliding manner as the tab receptacle (1) is moved axially relative to the casing (22), as a result of which the resilient bending of the tongue (11) required for releasing purposes takes place, characterized in that the oblique surfaces (35) are provided inside the indentations (5d) of the tab receptacle (1).
EP83111992A 1982-12-04 1983-11-30 Lockable electrical tab receptacle, and electrical connector equipped with the same Expired EP0111245B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3244939 1982-12-04
DE3244939A DE3244939C1 (en) 1982-12-04 1982-12-04 Lockable electrical flat receptacle and electrical connector provided with it

Publications (2)

Publication Number Publication Date
EP0111245A1 EP0111245A1 (en) 1984-06-20
EP0111245B1 true EP0111245B1 (en) 1986-04-30

Family

ID=6179823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83111992A Expired EP0111245B1 (en) 1982-12-04 1983-11-30 Lockable electrical tab receptacle, and electrical connector equipped with the same

Country Status (6)

Country Link
US (1) US4579409A (en)
EP (1) EP0111245B1 (en)
DE (2) DE3244939C1 (en)
ES (1) ES275576Y (en)
IE (1) IE54934B1 (en)
PT (1) PT77667B (en)

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Also Published As

Publication number Publication date
ES275576U (en) 1984-03-16
PT77667A (en) 1983-12-01
DE3244939C1 (en) 1984-03-29
IE54934B1 (en) 1990-03-28
DE3363299D1 (en) 1986-06-05
PT77667B (en) 1986-02-12
ES275576Y (en) 1984-11-16
IE832840L (en) 1984-06-04
US4579409A (en) 1986-04-01
EP0111245A1 (en) 1984-06-20

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