EP0668637B1 - Multisocket power outlet device - Google Patents

Multisocket power outlet device Download PDF

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Publication number
EP0668637B1
EP0668637B1 EP95101443A EP95101443A EP0668637B1 EP 0668637 B1 EP0668637 B1 EP 0668637B1 EP 95101443 A EP95101443 A EP 95101443A EP 95101443 A EP95101443 A EP 95101443A EP 0668637 B1 EP0668637 B1 EP 0668637B1
Authority
EP
European Patent Office
Prior art keywords
sockets
elements
housing element
strip according
top housing
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
EP95101443A
Other languages
German (de)
French (fr)
Other versions
EP0668637A1 (en
Inventor
Hugo Brennenstuhl
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.)
Hugo Brennenstuhl GmbH and Co KG
Original Assignee
Hugo Brennenstuhl 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 Hugo Brennenstuhl GmbH and Co KG filed Critical Hugo Brennenstuhl GmbH and Co KG
Publication of EP0668637A1 publication Critical patent/EP0668637A1/en
Application granted granted Critical
Publication of EP0668637B1 publication Critical patent/EP0668637B1/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
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/003—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured only to wires or cables
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6666—Structural association with built-in electrical component with built-in electronic circuit with built-in overvoltage protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/08—Short-circuiting members for bridging contacts in a counterpart

Definitions

  • the invention relates to a power strip with several electrical sockets in a row arrangement at least one upper, plug openings for with the sockets housing element to be connected with plugs are arranged, and with a lower housing element, the housing elements together containing the sockets Form housing; (see e.g. GB-A-2 097 199).
  • Socket strips are available in multiple designs Available commercially. They often consist of two elongated ones Halves of the housing, the sockets on one of the two housing halves assembled or molded in one piece are. Power strips are often used in different Lengths with a different number of sockets manufactured and offered. It turns out to be disadvantageous here that separate injection molds are manufactured for each length have to be what the manufacture as a result of expensive injection molds, especially if only relatively small quantities for individual lengths getting produced. With integrally molded sockets it also proves to be a disadvantage that also for power strips of the same length, i.e. for power strips with an equal number of sockets, different Injection molds for different designs from Sockets need to be made.
  • the upper housing elements have means for connection with each other and are then linked together Arrangement mounted on the strand material.
  • This means for connection are preferably plug-in and counter-plug elements on the abutting sides of the top Housing elements formed.
  • Busbars for the electrical connection of the sockets among themselves also contribute to a simple and quick assembly.
  • the busbars are expedient in corresponding contact arrangements of Sockets designed to be pluggable.
  • To uniform busbars use for any length of the power strip
  • every busbar is for connection a contact arrangement of one of the upper housing elements with a contact arrangement of another of the top Housing elements formed.
  • For every further Two further busbars are then added to the housing element (with two contacts of a socket).
  • the upper housing elements can on the lower housing element pushed on, put on, snapped on or screwed on will.
  • For pushing on the upper housing elements have guide rails and these guide rails receiving guide channels in the area of the longitudinal edges the upper housing elements and free ends of the Leg of the lower housing element as advantageous proven, when sliding the upper housing elements the guide strips on the lower housing element are inserted into the guide channels.
  • the Guide rails expediently have one opposite a passage slot to the guide channel wider area running in the guide channel, so that the upper housing elements prevent the Leg of the lower housing element are expanded. This will improve the overall mechanical strength Power strip increased.
  • the lower housing element has in particular an essential U-shaped cross-section, and the top Housing elements are used to cover the open long side of the lower housing element. This will the vast majority of the entire case through that inexpensive strand material formed.
  • the cut-to-length strand material is also easier Possible without significant additional effort, at least one additional top, not with an outlet Provided housing element to be provided with a the socket-switching switch, a timer, a lightning protection device or other additional device is provided. This is the variability increased in the manufacture of power strips, and Special requests and special designs can be easily realized will.
  • the end faces of the power strip are useful provided with end elements covering the housing, at least one of which has a cable passage opening has to the electrical connection cable in the To be able to insert housing.
  • These closing elements are designed to be snap-on or screw-on in an advantageous manner. To make screwing on easy, has that serving as the lower housing element Extruded material profile areas with a longitudinal channel Anchoring retaining screws on.
  • the socket strip shown is shown in FIGS. 1 and 2 essentially from a lower, cut to length Housing element 10, which is a substantially U-shaped Has cross-section and as strand material or profile rail is trained. On this lower housing element 10 upper housing elements 11, 12 can be pushed on will.
  • Fig. 1 are two different types of upper housing elements 11, 12 shown.
  • the top Housing elements 11 consist essentially of a upper, the open long side of the lower housing element 10 covering end plate 13 on the two sockets 14 are integrally formed and in the assembled state extend inside the power strip.
  • a socket 14 is only indicated schematically, since here in a known manner diverse versions are possible, e.g. B. sockets for safety plugs, Euro plugs and plugs according to the standards in the different countries.
  • sockets 14 for protective contact plugs as an example shown.
  • Each end plate 13 has at its two longitudinal edge areas Guide rails 15 on the corresponding Guide channels 16 at the free ends of the two legs 17 of the lower housing element 10 are inserted can.
  • the guide strips 15 are inside the guide channel 16 relative to the passage slot to the guide channel widened out so that they are not transverse to the longitudinal direction of the guide channel 16 pulled out of this can be. This causes the legs to widen 17 prevents and the strength of the lower Housing element 10 and the upper housing elements 11, 12 formed housing increased.
  • each upper housing element 11 has two sockets 14 on. Of course it is also possible upper housing elements 11 with only one socket or with manufacture a larger number of sockets.
  • the housing elements 11 can such upper housing elements 11 a timer, a lightning protection device, a fuse, a Overcurrent switch, a temperature switch or the like. exhibit.
  • the housing elements designed as special designs can either at an end area or between the other housing elements 11 may be arranged.
  • termination elements 20, 21st In the exemplary embodiment, these are with a U-shaped profile shown, the connecting web between the U-legs to close the front openings of the Housing serves.
  • these termination elements 20, 21 can also be shaped in any other way, e.g. as simple plates.
  • the closure element 20 has in its central area is a perspective view 1 through opening not visible to Passage of an electrical connection cable 22.
  • the End element 21 has one on one of its legs Through opening 23 with a substantially T-shaped shape, those for screwing or hanging the power strip serves on walls.
  • the number of upper housing elements 11 is almost unlimited, and special designs, such as the upper housing element 12, can optionally be provided or omitted will.
  • the lower Housing element 10 cut to length, and the top Housing elements 11, 12 can be described below Pre-assembly can be postponed. After that need only the end elements 20, 21 screwed on to be, instead of screwing on Snap on is possible. This also applies to the top ones Housing elements 11, 12, which instead of sliding can also be snapped on or screwed on.
  • the upper housing elements 11 are initially shown in FIG. 3 with the end plate 13 down on the narrow sides folded and put together.
  • the end plates 13 For this are the Narrow edges of the end plates 13 according to FIG. 4 with Provide means for interconnection.
  • the one End plate 13 has a projecting front Strip 27 on the corresponding groove the other end plate 13 engages.
  • This groove 28 will down through one the other end plate 13 underlying plate-like projection 29 limits the Has slots 30, in the projections when plugged together 31 on the underside of the left end plate 13 click into place.
  • the strips 27, grooves 28, projections 29, Slots 30 and projections 31 can each in essentially over the entire width of the end plates 13 extend or alternately over parts of this Width.
  • each contact arrangement 32 After the upper housing elements 11, 12 have been plugged together contact arrangements 32 are plugged on one another, each contact arrangement 32 the two sockets 14 of an upper housing element 11 engages.
  • Any contact arrangement 32 has two contact openings 33 for insertion of connector pins electrical connectors that are in the sockets 14 are inserted.
  • the contact arrangements 32 can either with such depressions or elevations are locked, or there will be Holding elements for fixing these contact arrangements 32 snapped or screwed onto the sockets 14.
  • For Connection of the contact arrangements 32 point to each other these each have plug openings 34 in their central region on, in the plug-in projections 35 of the contact arrangements 32 connecting busbars 36 are inserted can.
  • Each bus bar 36 connects two contact arrangements 32 in this way, so that with a larger number of upper housing elements 11 a corresponding larger number of busbars 36 in a row arrangement can be inserted.
  • busbars 36 as continuous Manufacture metal strips and depending on the number cut the upper housing elements 11 accordingly.
  • the lower housing element 10 still have stiffening agents. 2 are such Stiffener than the legs 17 with the lower Web-connecting web elements 37 are formed. Farther can the walls of the lower housing element 10 in structured, not shown, for example be corrugated or have a meandering structure.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The electric socket board (bank) has several electric sockets (14) arranged in a row. The sockets (14) are arranged on at least one upper housing element (11). The latter (11) has plug openings for plugs to be connected with the sockets (14). The bank also has a lower housing element (10) which combines with the upper housing element (11) to form a housing for the sockets (14). The lower housing element (10) is formed of an expandable fibre material. A number of upper housing elements (11,12) can be mounted on the lower element (10) according to the selected length of the latter.

Description

Die Erfindung betrifft eine Steckdosenleiste mit mehreren elektrischen Steckdosen in einer Reihenanordnung, die an wenigstens einem oberen, Stecköffnungen für mit den Steckdosen zu verbindenden Steckern aufweisenden Gehäuseelement angeordnet sind, und mit einem unteren Gehäuseelement, wobei die Gehäuseelemente zusammen ein die Steckdosen enthaltendes Gehäuse bilden; (siehe z.B. die GB-A-2 097 199).The invention relates to a power strip with several electrical sockets in a row arrangement at least one upper, plug openings for with the sockets housing element to be connected with plugs are arranged, and with a lower housing element, the housing elements together containing the sockets Form housing; (see e.g. GB-A-2 097 199).

Steckdosenleisten sind in vielfachen Ausführungen im Handel erhältlich. Häufig bestehen sie aus zwei langgestreckten Gehäusehälften, wobei die Steckdosen an einer der beiden Gehäusehälften montiert oder einstückig angeformt sind. Steckdosenleisten werden häufig in verschiedenen Längen mit einer unterschiedlichen Zahl von Steckdosen hergestellt und angeboten. Nachteilig erweist es sich hierbei, daß für jede Länge separate Spritzwerkzeuge hergestellt werden müssen, was die Herstellung infolge der teuren Spritzwerkzeuge kostenaufwendig macht, insbesondere wenn bei einzelnen Längen nur relativ geringe Stückzahlen hergestellt werden. Bei einstückig angeformten Steckdosen erweist es sich darüber hinaus als Nachteil, daß auch für gleichlange Steckdosenleisten, also für Steckdosenleisten mit einer gleichen Anzahl von Steckdosen, unterschiedliche Spritzwerkzeuge für unterschiedliche Ausführungen von Steckdosen hergestellt werden müssen. Durch die verschiedenen Normen von Steckdosen in den verschiedenen Ländern und auch wegen innerhalb eines Landes gebräuchlichen unterschiedlichen Ausführungen von Steckdosen muß ein Hersteller eine Vielzahl von Varianten herstellen, wozu er eine entsprechend große Anzahl teurer Spritzwerkzeuge benötigt. Auch wenn auf einer Steckdosenleiste unterschiedliche Arten von Steckdosen angeordnet werden sollen, führt dies zu einer ähnlich aufwendigen Herstellung.Socket strips are available in multiple designs Available commercially. They often consist of two elongated ones Halves of the housing, the sockets on one of the two housing halves assembled or molded in one piece are. Power strips are often used in different Lengths with a different number of sockets manufactured and offered. It turns out to be disadvantageous here that separate injection molds are manufactured for each length have to be what the manufacture as a result of expensive injection molds, especially if only relatively small quantities for individual lengths getting produced. With integrally molded sockets it also proves to be a disadvantage that also for power strips of the same length, i.e. for power strips with an equal number of sockets, different Injection molds for different designs from Sockets need to be made. Through the different Standards of sockets in different countries and also because of common within a country different versions of sockets must be Manufacturers produce a large number of variants, for which he a correspondingly large number of expensive injection molds are required. Even if on a multiple socket Types of sockets to be arranged leads this leads to a similarly complex production.

Eine Aufgabe der vorliegenden Erfindung besteht daher darin, eine Steckdosenleiste der eingangs genannten Gattung zu schaffen, die in kostengünstiger und einfacher Weise baukastenartig in verschiedenen Längen und Ausführungen hergestellt werden kann.It is therefore an object of the present invention to a power strip of the type mentioned to create that in a cost effective and simple way modular in various lengths and designs can be manufactured.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst. This object is achieved by the features of claim 1.

Hierdurch können Steckdosenleisten mit einer nahezu beliebig variierbaren Anzahl von Steckdosen hergestellt werden, indem das kostengünstig herstellbare Strangmaterial in entsprechender Länge abgeschnitten wird und indem dann die gewünschten oberen Gehäuseelemente mit Steckdosen aufmontiert werden. Es ist somit nur ein kleineres Werkzeug für die oberen Gehäuseelemente erforderlich, die beispielsweise je zwei Steckdosen enthalten können. Dieser baukastenartige Aufbau erlaubt nicht nur die Herstellung von Steckdosenleisten in den verschiedensten Längen, sondern ermöglicht auch eine schnelle und kostengünstige Montage. Soll die Steckdosenleiste mit einer anderen Art von Steckdosen versehen werden, so ist lediglich ein weiteres kleineres Werkzeug für diese andere Art von oberen Gehäuseelementen erforderlich. Unterschiedliche obere Gehäuseelemente mit verschiedenen Steckdosenarten können auch auf einer Steckdosenleiste nahezu beliebig kombiniert werden, ohne daß dadurch ein Mehraufwand bei der Montage entsteht.This allows power strips with almost any variable number of sockets manufactured be by the inexpensive to manufacture strand material is cut to the appropriate length and by then the desired upper housing elements with sockets be mounted. It is therefore only a smaller tool required for the upper housing elements that for example, can contain two sockets. This Modular construction not only allows production of multiple socket outlets, but also enables quick and inexpensive Assembly. Should the power strip be of a different type are provided by sockets, so is just another smaller tool for this other type of top Housing elements required. Different top Housing elements with different types of sockets can can also be combined in almost any way on a power strip become, without thereby an additional effort in the assembly arises.

Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen der im Anspruch 1 angegebenen Steckdosenleiste möglich.By the measures listed in the subclaims are advantageous developments and improvements of power strip specified in claim 1 possible.

Um eine schnelle und sichere Vormontage zu gewährleisten, weisen die oberen Gehäuseelemente Mittel zur Verbindung untereinander auf und werden dann als miteinander verbundene Anordnung am Strangmaterial montiert. Diese Mittel zur Verbindung sind vorzugsweise als Steck- und Gegensteckelemente an den aneinanderstoßenden Seiten der oberen Gehäuseelemente ausgebildet.To ensure quick and safe pre-assembly, the upper housing elements have means for connection with each other and are then linked together Arrangement mounted on the strand material. This means for connection are preferably plug-in and counter-plug elements on the abutting sides of the top Housing elements formed.

Stromschienen zur elektrischen Verbindung der Steckdosen untereinander tragen ebenfalls zu einer einfachen und schnellen Montage bei. Dabei sind die Stromschienen zweckmäßigerweise in entsprechende Kontaktanordnungen der Steckdosen einsteckbar ausgebildet. Um einheitliche Stromschienen für beliebige Längen der Steckdosenleiste verwenden zu können, ist jede Stromschiene zur Verbindung einer Kontaktanordnung eines der oberen Gehäuseelemente mit einer Kontaktanordnung eines anderen der oberen Gehäuselemente ausgebildet. Für jedes weitere Gehäuseelement werden dann zwei weitere Stromschienen angefügt (bei je zwei Kontakten einer Steckdose).Busbars for the electrical connection of the sockets among themselves also contribute to a simple and quick assembly. The busbars are expedient in corresponding contact arrangements of Sockets designed to be pluggable. To uniform busbars use for any length of the power strip To be able to, every busbar is for connection a contact arrangement of one of the upper housing elements with a contact arrangement of another of the top Housing elements formed. For every further Two further busbars are then added to the housing element (with two contacts of a socket).

Die oberen Gehäuseelemente können auf das untere Gehäuseelement aufgeschoben, aufgesteckt, aufgerastet oder aufgeschraubt werden. Für das Aufschieben der oberen Gehäuseelemente haben sich Führungsleisten und diese Führungsleisten aufnehmende Führungskanäle im Bereich der Längskanten der oberen Gehäuseelemente und freien Enden der Schenkel des unteren Gehäuseelementes als vorteilhaft erwiesen, wobei beim Aufschieben der oberen Gehäuseelemente auf das untere Gehäuseelement jeweils die Führungsleisten in die Führungskanäle eingeschoben werden. Die Führungsleisten weisen dabei zweckmäßigerweise einen gegenüber einem Durchlaßschlitz zum Führungskanal hin breiteren, im Führungskanal verlaufenden Bereich auf, so daß die oberen Gehäuseelemente verhindern, daß die Schenkel des unteren Gehäuseelements aufgeweitet werden. Hierdurch wird die mechanische Festigkeit der gesamten Steckdosenleiste erhöht.The upper housing elements can on the lower housing element pushed on, put on, snapped on or screwed on will. For pushing on the upper housing elements have guide rails and these guide rails receiving guide channels in the area of the longitudinal edges the upper housing elements and free ends of the Leg of the lower housing element as advantageous proven, when sliding the upper housing elements the guide strips on the lower housing element are inserted into the guide channels. The Guide rails expediently have one opposite a passage slot to the guide channel wider area running in the guide channel, so that the upper housing elements prevent the Leg of the lower housing element are expanded. This will improve the overall mechanical strength Power strip increased.

Das untere Gehäuseelemente weist insbesondere einen im wesentlichen U-förmigen Querschnitt auf, und die oberen Gehäuseelemente sind zur Abdeckung der offenen Längsseite des unteren Gehäuseelements ausgebildet. Hierdurch wird der überwiegende Bereich des gesamten Gehäuses durch das kostengünstige Strangmaterial gebildet.The lower housing element has in particular an essential U-shaped cross-section, and the top Housing elements are used to cover the open long side of the lower housing element. This will the vast majority of the entire case through that inexpensive strand material formed.

Zur Vereinfachung der Montage und kostengünstigen Herstellung sind die Steckdosen mit Ausnahme der Kontaktanordnungen einstückig an die oberen Gehäuseelemente aus Kunststoff angeformt. To simplify assembly and cost-effective production are the sockets with the exception of the contact arrangements in one piece on the upper housing elements Molded plastic.

Durch das variable Anbringen der oberen Gehäuseelemente an das ablängbare Strangmaterial ist es auch in einfacher Weise ohne wesentlichen zusätzlichen Aufwand möglich, wenigstens ein zusätzliches oberes, nicht mit einer Steckdose versehenes Gehäuseelement vorzusehen, das mit einem die Steckdosen schaltenden Schalter, einer Zeitschaltuhr, einer Blitzschutzeinrichtung oder einer anderen Zusatzeinrichtung versehen ist. Hierdurch wird die Variabilität bei der Herstellung von Steckdosenleisten erhöht, und Sonderwünsche und Sonderausführungen können leicht realisiert werden.By variably attaching the upper housing elements the cut-to-length strand material is also easier Possible without significant additional effort, at least one additional top, not with an outlet Provided housing element to be provided with a the socket-switching switch, a timer, a lightning protection device or other additional device is provided. This is the variability increased in the manufacture of power strips, and Special requests and special designs can be easily realized will.

Die Stirnseiten der Steckdosenleiste sind zweckmäßigerweise mit das Gehäuse abdeckenden Abschlußelementen versehen, von denen wenigstens eine eine Kabeldurchgangsöffnung aufweist, um das elektrische Anschlußkabel in das Gehäuse einführen zu können. Diese Abschlußelemente sind in vorteilhafter Weise anrastbar oder anschraubbar ausgebildet. Um das Anschrauben in einfacher Weise zu ermöglichen, weist das als unteres Gehäuseelement dienende Strangmaterial Profilbereiche mit einem Längskanal zur Verankerung von Halteschrauben auf.The end faces of the power strip are useful provided with end elements covering the housing, at least one of which has a cable passage opening has to the electrical connection cable in the To be able to insert housing. These closing elements are designed to be snap-on or screw-on in an advantageous manner. To make screwing on easy, has that serving as the lower housing element Extruded material profile areas with a longitudinal channel Anchoring retaining screws on.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen:

Fig. 1
eine perspektivische Ansicht einer Steckdosenleiste mit drei je zwei Steckdosen aufweisenden oberen Gehäuseelementen und einem mit einem Schalter versehenen oberen Gehäuseelement als Ausführungsbeispiel der Erfindung,
Fig. 2
eine Stirnansicht der Steckdosenleiste bei abgenommenem Abschlußelement,
Fig. 3
eine schematische Ansicht zweier oberer Gehäuseelemente von unten und
Fig. 4
einen Verbindungsbereich zwischen zwei oberen Gehäuseelementen.
An embodiment of the invention is shown in the drawing and explained in more detail in the following description. Show it:
Fig. 1
2 shows a perspective view of a power strip with three upper housing elements each having two sockets and an upper housing element provided with a switch as an exemplary embodiment of the invention,
Fig. 2
an end view of the power strip with the end element removed,
Fig. 3
is a schematic view of two upper housing elements from below and
Fig. 4
a connection area between two upper housing elements.

Die dargestellte Steckdosenleiste besteht gemäß Fig. 1 und 2 im wesentlichen aus einem unteren, beliebig ablängbaren Gehäuseelement 10, das einen im wesentlichen U-förmigen Querschnitt aufweist und als Strangmaterial bzw. Profilschiene ausgebildet ist. Auf dieses untere Gehäuseelement 10 können obere Gehäuseelemente 11, 12 aufgeschoben werden. In Fig. 1 sind zwei unterschiedliche Arten von oberen Gehäuseelementen 11, 12 dargestellt. Die oberen Gehäuseelemente 11 bestehen im wesentlichen aus einer oberen, die offene Längsseite des unteren Gehäuseelements 10 abdeckenden Abschlußplatte 13, an der zwei Steckdosen 14 einstückig angeformt sind und sich im montierten Zustand ins Innere der Steckdosenleiste erstrecken. In Fig. 2 ist eine derartige Steckdose 14 nur schematisch angedeutet, da hier in bekannter Weise vielfältige Ausführungen möglich sind, z. B. Steckdosen für Schutzkontaktstecker, Euro-Stecker und Stecker gemäß den Normen in den verschiedenen Ländern. In der perspektivischen Ansicht gemäß Fig. 1 sind als Beispiel Steckdosen 14 für Schutzkontaktstecker dargestellt.The socket strip shown is shown in FIGS. 1 and 2 essentially from a lower, cut to length Housing element 10, which is a substantially U-shaped Has cross-section and as strand material or profile rail is trained. On this lower housing element 10 upper housing elements 11, 12 can be pushed on will. In Fig. 1 are two different types of upper housing elements 11, 12 shown. The top Housing elements 11 consist essentially of a upper, the open long side of the lower housing element 10 covering end plate 13 on the two sockets 14 are integrally formed and in the assembled state extend inside the power strip. In Fig. 2, such a socket 14 is only indicated schematically, since here in a known manner diverse versions are possible, e.g. B. sockets for safety plugs, Euro plugs and plugs according to the standards in the different countries. In the perspective view 1 are sockets 14 for protective contact plugs as an example shown.

Jede Abschlußplatte 13 weist an ihren beiden Längskantenbereichen Führungsleisten 15 auf, die in entsprechende Führungskanäle 16 an den freien Enden der beiden Schenkel 17 des unteren Gehäuseelements 10 eingeschoben werden können. Die Führungsleisten 15 sind im Innern des Führungskanals 16 relativ zum Durchlaßschlitz zum Führungskanal hin verbreitert, so daß sie nicht quer zur Längsrichtung des Führungskanals 16 aus diesem herausgezogen werden können. Hierdurch wird ein Aufweiten der Schenkel 17 verhindert und die Festigkeit des durch das untere Gehäuseelement 10 und die oberen Gehäuseelemente 11, 12 gebildeten Gehäuses erhöht. Im dargestellten Ausführungsbeispiel weist jedes obere Gehäuseelement 11 zwei Steckdosen 14 auf. Es ist selbstverständlich auch möglich, obere Gehäuseelemente 11 mit nur einer Steckdose oder mit einer größeren Anzahl von Steckdosen herzustellen. Zur Vereinfachung der Fertigung erweisen sich jedoch normierte obere Gehäuseelemente 11 als günstig, und zwei Steckdosen 14 pro Gehäuseelement 11 dürften einen zweckmäßigen Kompromiß darstellen. Für andere Normen oder Ausführungen von Steckdosen werden entsprechend abgewandelte obere Gehäuseelemente 11 hergestellt. Dabei ist es prinzipiell auch möglich, die Steckdosen 14 als separate Elemente in der Abschlußplatte 13 zu verrasten oder auf andere Weise zu verbinden. Das obere Gehäuseelement 12 besitzt eine kleinere Abschlußplatte 18 mit entsprechenden Führungsleisten 15, an der ein elektrischer Schalter 19 zum Schalten der Steckdosen 14 angeordnet ist. Derartige Schalter zum Schalten der Steckdosen sind bei Steckdosenleisten prinzipiell bekannt, so daß ein näheres Eingehen auf die elektrische Anordnung nicht erforderlich ist. Anstelle oder zusätzlich zum oberen Gehäuseelement 12 mit einem Schalter 19 können noch weitere speziell ausgebildete obere Gehäuseelemente 11 vorgesehen und auf das untere Gehäuseelement 10 aufgeschoben sein. Beispielsweise können solche oberen Gehäuseelemente 11 eine Zeitschaltuhr, eine Blitzschutzeinrichtung, eine Sicherung, einen Überstromschalter, einen Temperaturschalter od.dgl. aufweisen. Beim Aufschieben auf das untere Gehäuseelement 10 ist die Reihenfolge prinzipiell unerheblich, das heißt, die als Sonderausführungen ausgebildeten Gehäuseelemente können entweder an einem Endbereich oder zwischen den anderen Gehäuseelementen 11 angeordnet sein.Each end plate 13 has at its two longitudinal edge areas Guide rails 15 on the corresponding Guide channels 16 at the free ends of the two legs 17 of the lower housing element 10 are inserted can. The guide strips 15 are inside the guide channel 16 relative to the passage slot to the guide channel widened out so that they are not transverse to the longitudinal direction of the guide channel 16 pulled out of this can be. This causes the legs to widen 17 prevents and the strength of the lower Housing element 10 and the upper housing elements 11, 12 formed housing increased. In the illustrated embodiment each upper housing element 11 has two sockets 14 on. Of course it is also possible upper housing elements 11 with only one socket or with manufacture a larger number of sockets. For Simplification of production, however, has proven to be standardized upper housing elements 11 as cheap, and two sockets 14 per housing element 11 should be an appropriate compromise represent. For other standards or designs from Sockets become modified upper housing elements 11 manufactured. In principle, it is also possible to use the sockets 14 as separate elements in the End plate 13 to lock or otherwise connect. The upper housing element 12 has one smaller end plate 18 with corresponding guide strips 15, on which an electrical switch 19 for Switching the sockets 14 is arranged. Such Switches for switching the sockets are on socket strips known in principle, so that a closer look on the electrical arrangement is not necessary. Instead of or in addition to the upper housing element 12 with a switch 19 can still further specially trained Upper housing elements 11 provided and on the lower housing element 10 be pushed on. For example can such upper housing elements 11 a timer, a lightning protection device, a fuse, a Overcurrent switch, a temperature switch or the like. exhibit. When sliding onto the lower housing element 10 the order is irrelevant in principle, that is, the housing elements designed as special designs can either at an end area or between the other housing elements 11 may be arranged.

Zum Verschließen der stirnseitigen Öffnungen der durch das untere Gehäuseelement 10 und die oberen Gehäuseelemente 11, 12 gebildeten Gehäuse dienen Abschlußelemente 20, 21. Diese sind im Ausführungsbeispiel mit U-förmigem Profil dargestellt, wobei der Verbindungssteg zwischen den U-Schenkeln zum Verschließen der stirnseitigen Öffnungen des Gehäuses dient. Selbstverständlich können diese Abschlußelemente 20, 21 auch beliebig anders geformt werden, z.B. als einfache Platten. Das Abschlußelement 20 weist in seinem mittleren Bereich eine in der perspektivischen Darstellung von Fig. 1 nicht sichtbare Durchgangsöffnung zum Durchgang eines elektrischen Anschlußkabels 22 auf. Das Abschlußelement 21 besitzt an einem seiner Schenkel eine Durchgangsöffnung 23 mit im wesentlichen T-förmiger Gestalt, die zum Anschrauben oder Aufhängen der Steckdosenleiste an Wänden dient. Zum Befestigen der Abschlußelemente 20, 21 am unteren Gehäuseelement 10 dienen Halteschrauben 24, die in in Längsrichtung verlaufenden Profilelementen 25 im Innern des unteren Gehäuseelements 10 eingeschraubt werden. Hierzu weisen diese Profilelemente 25 Längskanäle 26 auf. Nach dem Anschrauben der Abschlußelemente 20, 21 sind die oberen Gehäuseelemente 11, 12 fixiert und können nicht mehr aus dem unteren Gehäuseelement 10 herausgeschoben werden.To close the front openings through the lower housing element 10 and the upper housing elements 11, 12 formed housings serve termination elements 20, 21st In the exemplary embodiment, these are with a U-shaped profile shown, the connecting web between the U-legs to close the front openings of the Housing serves. Of course, these termination elements 20, 21 can also be shaped in any other way, e.g. as simple plates. The closure element 20 has in its central area is a perspective view 1 through opening not visible to Passage of an electrical connection cable 22. The End element 21 has one on one of its legs Through opening 23 with a substantially T-shaped shape, those for screwing or hanging the power strip serves on walls. For fastening the end elements 20, 21 on the lower housing element 10 serve holding screws 24, the longitudinal profile elements 25 inside the lower housing element 10 be screwed in. For this purpose, these profile elements 25 longitudinal channels 26. After screwing on the end elements 20, 21 are the upper housing elements 11, 12 fixed and can no longer from the lower housing element 10 are pushed out.

Die Anzahl der oberen Gehäuseelemente 11 ist nahezu beliebig, und Sonderausführungen, wie das obere Gehäuseelement 12, können wahlweise vorgesehen sein oder weggelassen werden. Nach der Wahl der gewünschten Art und Anzahl von oberen Gehäuseelementen 11, 12 wird das untere Gehäuseelement 10 entsprechend abgelängt, und die oberen Gehäuseelemente 11, 12 können nach einer noch zu beschreibenden Vormontage aufgeschoben werden. Danach brauchen lediglich noch die Abschlußelemente 20, 21 aufgeschraubt zu werden, wobei anstelle eines Aufschraubens auch ein Aufrasten möglich ist. Dies trifft auch für die oberen Gehäuseelemente 11, 12 zu, die anstelle eines Aufschiebens auch aufgerastet oder aufgeschraubt werden können.The number of upper housing elements 11 is almost unlimited, and special designs, such as the upper housing element 12, can optionally be provided or omitted will. After choosing the desired type and number of upper housing elements 11, 12 is the lower Housing element 10 cut to length, and the top Housing elements 11, 12 can be described below Pre-assembly can be postponed. After that need only the end elements 20, 21 screwed on to be, instead of screwing on Snap on is possible. This also applies to the top ones Housing elements 11, 12, which instead of sliding can also be snapped on or screwed on.

Zur Vormontage außerhalb des unteren Gehäuseelements 10 werden die oberen Gehäuseelemente 11 zunächst gemäß Fig. 3 mit der Abschlußplatte 13 nach unten an den Schmalseiten zusammengelegt und zusammengesteckt. Hierzu sind die Schmalkanten der Abschlußplatten 13 gemäß Fig. 4 mit Mitteln zur Verbindung untereinander versehen. Die eine Abschlußplatte 13 weist dabei stirnseitig eine vorspringende Leiste 27 auf, die in eine entsprechende Nut der anderen Abschlußplatte 13 eingreift. Diese Nut 28 wird nach unten hin durch einen die andere Abschlußplatte 13 untergreifenden plattenartigen Vorsprung 29 begrenzt, der Schlitze 30 aufweist, in die beim Zusammenstecken Vorsprünge 31 an der Unterseite der linken Abschlußplatte 13 einrasten. Die Leisten 27, Nuten 28, Vorsprünge 29, Schlitze 30 und Vorsprünge 31 können sich jeweils im wesentlichen über die Gesamtbreite der Abschlußplatten 13 erstrecken oder abwechselnd über Teilbereiche dieser Breite.For pre-assembly outside of the lower housing element 10 the upper housing elements 11 are initially shown in FIG. 3 with the end plate 13 down on the narrow sides folded and put together. For this are the Narrow edges of the end plates 13 according to FIG. 4 with Provide means for interconnection. The one End plate 13 has a projecting front Strip 27 on the corresponding groove the other end plate 13 engages. This groove 28 will down through one the other end plate 13 underlying plate-like projection 29 limits the Has slots 30, in the projections when plugged together 31 on the underside of the left end plate 13 click into place. The strips 27, grooves 28, projections 29, Slots 30 and projections 31 can each in essentially over the entire width of the end plates 13 extend or alternately over parts of this Width.

Nach dem Zusammenstecken der oberen Gehäuseelemente 11, 12 untereinander werden Kontaktanordnungen 32 aufgesteckt, wobei jede Kontaktanordnung 32 die beiden Steckdosen 14 eines oberen Gehäuseelements 11 übergreift. Jede Kontaktanordnung 32 besitzt zwei Kontaktöffnungen 33 zum Einstecken von Steckerstiften elektrischer Stecker, die in die Steckdosen 14 eingesteckt werden. Entsprechende Vertiefungen oder Erhebungen an den Steckdosen 14 zur Positionierung und Fixierung der Kontaktanordnungen 32 sind zur Vereinfachung nicht dargestellt. Die Kontaktanordnungen 32 können dabei entweder mit derartigen Vertiefungen oder Erhebungen verrastet werden, oder es werden Halteelemente zur Fixierung dieser Kontaktanordnungen 32 an den Steckdosen 14 angerastet oder angeschraubt. Zur Verbindung der Kontaktanordnungen 32 untereinander weisen diese in ihrem mittleren Bereich jeweils Stecköffnungen 34 auf, in die Steckvorsprünge 35 von die Kontaktanordnungen 32 verbindenden Stromschienen 36 eingesteckt werden können. Jede Stromschiene 36 verbindet zwei Kontaktanordnungen 32 auf diese Weise, so daß bei einer größeren Anzahl von oberen Gehäuseelementen 11 eine entsprechend größere Anzahl von Stromschienen 36 in einer Reihenanordnung eingesteckt werden kann. Selbstverständlich ist es auch möglich, derartige Stromschienen 36 als fortlaufenden Metallstreifen herzustellen und in Abhängigkeit der Anzahl der oberen Gehäuseelemente 11 entsprechend abzulängen.After the upper housing elements 11, 12 have been plugged together contact arrangements 32 are plugged on one another, each contact arrangement 32 the two sockets 14 of an upper housing element 11 engages. Any contact arrangement 32 has two contact openings 33 for insertion of connector pins electrical connectors that are in the sockets 14 are inserted. Corresponding specializations or elevations on the sockets 14 for positioning and fixation of the contact arrangements 32 not shown for simplicity. The contact arrangements 32 can either with such depressions or elevations are locked, or there will be Holding elements for fixing these contact arrangements 32 snapped or screwed onto the sockets 14. For Connection of the contact arrangements 32 point to each other these each have plug openings 34 in their central region on, in the plug-in projections 35 of the contact arrangements 32 connecting busbars 36 are inserted can. Each bus bar 36 connects two contact arrangements 32 in this way, so that with a larger number of upper housing elements 11 a corresponding larger number of busbars 36 in a row arrangement can be inserted. Of course it is also possible, such busbars 36 as continuous Manufacture metal strips and depending on the number cut the upper housing elements 11 accordingly.

Nach dem Aufstecken der Stromschienen 36 muß noch das elektrische Anschlußkabel 22 angeklemmt werden. Hierzu können die Steckdosen 14 oder Kontaktanordnungen 32 entweder nicht dargestellte Schraubklemmen oder Lötanschlüsse aufweisen. Besitzen die Steckdosen 14 jeweils einen dritten Anschluß, beispielsweise einen Erdungsanschluß oder Schutzleiteranschluß, so können diese Anschlüsse ebenfalls über Kontaktanordnungen 32 und Stromschienen 36 verbunden werden. Selbstverständlich können auch entsprechende Klemmschrauben- oder Lötanschlüsse über Kabel miteinander verbunden werden. Die so vormontierten oberen Gehäuseelemente 11, 12 werden nun zusammen in das untere Gehäuseelement 10 eingeschoben und durch die Abschlußelemente 20, 21 fixiert.After plugging in the busbars 36, this must still be done electrical connection cable 22 are clamped. For this can the sockets 14 or contact arrangements 32 either Screw terminals or solder connections, not shown exhibit. The sockets 14 each have one third connection, for example an earth connection or protective conductor connection, these connections can also via contact arrangements 32 and busbars 36 get connected. Of course, corresponding can also Clamping screw or solder connections via cable be connected to each other. The pre-assembled top Housing elements 11, 12 are now together in the lower Housing element 10 inserted and through the end elements 20, 21 fixed.

Zur Erhöhung der Festigkeit können auch noch die an den Kanten der Abschlußplatten 13 der oberen Gehäuseelemente 11 anliegenden Bereiche der Abschlußelemente 20, 21 zur Verrastung mit Verbindungsmitteln gemäß Fig. 4 ausgestattet sein. Weiterhin kann das untere Gehäuseelement 10 noch Versteifungsmittel aufweisen. In Fig. 2 sind solche Versteifungsmittel als die Schenkel 17 mit der unteren Wandung verbindende Stegelemente 37 ausgebildet. Weiterhin können die Wandungen des unteren Gehäuseelements 10 in nicht dargestellter Weise strukturiert, beispielsweise gewellt sein oder eine mäanderartige Struktur aufweisen.To increase the strength can also be added to the Edges of the end plates 13 of the upper housing elements 11 adjacent areas of the end elements 20, 21 for Locking equipped with connecting means according to FIG. 4 be. Furthermore, the lower housing element 10 still have stiffening agents. 2 are such Stiffener than the legs 17 with the lower Web-connecting web elements 37 are formed. Farther can the walls of the lower housing element 10 in structured, not shown, for example be corrugated or have a meandering structure.

Claims (12)

  1. Socket strip with several electrical sockets in a row, with a bottom housing element made of extruded material which can be cut to length, to which may be fitted a number of top housing elements (11, 12) corresponding to the length selected in each case and which have socket outlets for connectors to be connected to the sockets, wherein the housing elements together form a housing containing the sockets, characterized in that busbars (36) are provided for the electrical connection of the sockets, with each busbar (36) designed to connect a contact assembly (32) of the sockets of the top housing elements (11) with a contact assembly (32) of the sockets of another of the top housing elements (11) while the busbars are preferably designed so as to permit their insertion in the contact assemblies (32) of the sockets (14).
  2. Socket strip according to claim 1, characterized in that the top housing elements (11) each have one to three sockets (14) and are in particular of identical design to one another.
  3. Socket strip according to any of the preceding claims, characterized in that the top housing elements (11, 12) have means (27 -31) of connection to one another, and may be fitted to the bottom housing element (10) as a fully-connected assembly.
  4. Socket strip according to claim 3, characterized in that the means (27 - 31) of connection are in the form of plug-in and mating elements on the abutting sides of the top housing elements (11, 12).
  5. Socket strip according to any of the preceding claims, characterized in that the top housing elements (11, 12) are designed so as to slide on to, plug into, snap or screw on to the bottom housing element (10).
  6. Socket strip according to claim 5, characterized in that guide rails (15) and guide channels (16) accommodating these guide rails are arranged in the area of the longitudinal edges of the top housing elements (11, 12) and free ends of the sides (17) of the bottom housing element (10) in such a way that, when the top housing elements (11, 12) are pushed on to the bottom housing element (10), the guide rails (15) are pushed into the guide channels (16), wherein the guide rails (15) have in particular an area running in the guide channel (16) which is wider than a through slot to the guide channel (16).
  7. Socket strip according to any of the preceding claims, characterized in that the bottom housing element (10) has an essentially U-shaped cross-section, and that the top housing elements (11, 12) are designed to cover the open longitudinal side of the bottom housing element (10).
  8. Socket strip according to any of the preceding claims, characterized in that the sockets (14), with the exception of the electrical contact assemblies (32), are of plastic moulded integrally with the top housing element (10).
  9. Socket strip according to any of the preceding claims, characterized in that at least one top housing element (12) not provided with a socket (14) is provided with a switch controlling the sockets (14), a timer controller, a lightning protector or another supplementary device.
  10. Socket strip according to any of the preceding claims, characterized in that the end faces of the housing formed of the bottom housing element (10) and the top housing elements (11, 12) are provided with cover elements (20, 21), at least one of which has a cable entry, and which are preferably of snap-on or screw-on design.
  11. Socket strip according to claim 10, characterized in that the extruded material used for the bottom housing element (10) is provided with profile sections (25) with a longitudinal channel (26) for the anchorage of locking screws (24) when the cover elements (20, 21) are screwed on.
  12. Socket strip according to any of the preceding claims, characterized in that the top housing elements (11) are provided in various versions for different types of connector, with scope for fitting several similar or different versions alternatively to the bottom housing element (10).
EP95101443A 1994-02-22 1995-02-03 Multisocket power outlet device Expired - Lifetime EP0668637B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9402868U DE9402868U1 (en) 1994-02-22 1994-02-22 Power strip
DE9402868U 1994-02-22

Publications (2)

Publication Number Publication Date
EP0668637A1 EP0668637A1 (en) 1995-08-23
EP0668637B1 true EP0668637B1 (en) 1998-03-25

Family

ID=6904904

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95101443A Expired - Lifetime EP0668637B1 (en) 1994-02-22 1995-02-03 Multisocket power outlet device

Country Status (4)

Country Link
EP (1) EP0668637B1 (en)
AT (1) ATE164472T1 (en)
DE (2) DE9402868U1 (en)
ES (1) ES2114240T3 (en)

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US5658158A (en) * 1995-08-28 1997-08-19 Milan; Henry Modular surge protection system with interchangeable surge protection modules
DE19817309C2 (en) * 1998-04-18 2000-11-02 Popp Gmbh & Co Kg power strip
DE19817307C2 (en) * 1998-04-18 2000-11-23 Popp Gmbh & Co Kg Multiple socket with adjustable mounting bracket
DE29808495U1 (en) 1998-05-11 1998-07-23 Fennel Gmbh, 32549 Bad Oeynhausen Device socket for electrical installation devices
DE29808857U1 (en) * 1998-05-18 1998-12-10 "APSA" Elektrotechnische Fabrik Ing. Wilhelm Sauerwein GmbH & Co. KG., 35683 Dillenburg Power strip
IT1301964B1 (en) * 1998-07-29 2000-07-20 Bticino Spa SOCKET SWITCH GROUP
DE10012472A1 (en) * 2000-03-15 2001-09-20 Bachmann Gmbh & Co Plug socket arrangement e.g. for lamp, has socket modules inserted into gaps between profile elements, which are mounted between housing foot and top, and attached to profile element sides
DE102004017336B4 (en) * 2004-04-06 2011-02-17 "Apsa" Elektrotechnische Fabrik Ing. Wilhelm Sauerwein Gmbh & Co. Kg Power strip
DE202004017663U1 (en) * 2004-11-15 2005-01-05 Heinrich Kopp Gmbh socket assembly
EP2106000A1 (en) * 2008-03-28 2009-09-30 Hugo Brennenstuhl GmbH & Co. KG Socket device
DE202010010357U1 (en) 2010-07-16 2010-10-14 Thomas, Haustein Device for the simultaneous connection of several electrical consumers
CN104505670A (en) * 2014-12-31 2015-04-08 重庆广建装饰股份有限公司 Combined type socket based on WIFI remote control
FR3037766B1 (en) 2015-06-22 2018-08-17 Legrand France CONTAINER FOR MULTI-APPARATUS BLOCK AND MULTI-APPLIANCE BLOCK
CN107293920A (en) * 2017-06-30 2017-10-24 诺梵(上海)家具科技股份有限公司 A kind of changeable jack system of modified form

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DE7529148U (en) * 1975-09-15 1976-06-16 Krieger Geb. Erfurt, Hildegard, 4800 Bielefeld Electrical distribution center or the like
GB2097199A (en) * 1981-04-21 1982-10-27 Boardman Paul Electrical socket
AU579849B2 (en) * 1984-05-22 1988-12-15 H.P.M. Industries Pty Limited Multi-socket power outlet
FR2652682B1 (en) * 1989-10-04 1994-03-25 Legrand MULTIPURPOSE BLOCK WITH VARIOUS IMPLEMENTATIONS.

Also Published As

Publication number Publication date
ATE164472T1 (en) 1998-04-15
ES2114240T3 (en) 1998-05-16
DE9402868U1 (en) 1994-04-14
DE59501672D1 (en) 1998-04-30
EP0668637A1 (en) 1995-08-23

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