EP0625806B1 - Appliance connector with a moulded component and with a holding plate for contact springs - Google Patents

Appliance connector with a moulded component and with a holding plate for contact springs Download PDF

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Publication number
EP0625806B1
EP0625806B1 EP94107436A EP94107436A EP0625806B1 EP 0625806 B1 EP0625806 B1 EP 0625806B1 EP 94107436 A EP94107436 A EP 94107436A EP 94107436 A EP94107436 A EP 94107436A EP 0625806 B1 EP0625806 B1 EP 0625806B1
Authority
EP
European Patent Office
Prior art keywords
protective cap
retaining plate
hand
contact springs
electrical appliance
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
EP94107436A
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German (de)
French (fr)
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EP0625806A1 (en
Inventor
Thomas Waible
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.)
Taller GmbH
Original Assignee
Taller GmbH
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Filing date
Publication date
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Publication of EP0625806A1 publication Critical patent/EP0625806A1/en
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Publication of EP0625806B1 publication Critical patent/EP0625806B1/en
Anticipated expiration legal-status Critical
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
    • 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
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members

Definitions

  • the present invention relates to an electrical connector according to the preamble of claim 1.
  • Such plugs are known (compare DE-PS 38 07 717); they are used to connect an electrical device to a mains socket and thus to the power supply system of the electricity company.
  • the corresponding connection cable i.e. the consumer line is coupled to the mains socket via a protective contact plug and to the device itself via a generic device plug.
  • the finished, i.e. Completely injected device plugs are individually checked for their electrical safety using so-called contour testing devices.
  • the plug is inserted into a corresponding test form and electrically charged from the outside.
  • connectors with individual wires protruding outwards or too close to the outside can be eliminated.
  • this is with significant production, i.e. Associated testing costs.
  • a protective cap for safety plug is known from DE-OS 36 40 ⁇ 914.
  • the protective cap described there has the shape and effect of a cover, which covers the connecting pins for the protective and the current conductors on the back of the connector bridge. In this way, the space around the soldering or crimping points of the protective conductor and the current conductor is secured before the protective contact plug is encapsulated.
  • the protective cap or its interior has the shape of a triangular shaft, the end edge having a complicated shape and only partially abutting the connector bridge. It is pushed from the open side over the connector pins and grips parts of the front of the connector bridge with the help of locking lugs.
  • the type of attachment of the protective cap is the type described in the preamble because of the the rear plates used here cannot be gripped or gripped behind. Furthermore, the protective cap does not seal tightly with respect to either the plug bridge or the supply line.
  • the problem underlying the present invention is now to design parts of the connector of the generic type so that the approximately sealing attachment of a protective cap is possible in spite of the limited space in the area of the connecting pins or contact springs, in order to prevent a short circuit due to possibly protruding individual wires avoid and thus optimize electrical safety.
  • the design of the protective cap is also intended to save flexible plastic for molding.
  • the protective cap stands flush on the holding plate and is fixed by means of complementary locking means.
  • the locking means themselves are formed in particular via locking lugs and complementary recesses.
  • the locking lugs are molded onto the dividers arranged on the holding plate.
  • the protective cap is formed on the one hand as a one-piece molded part or on the other hand it consists of two half-shells (compare claims 2 and 3).
  • the one-piece protective cap is used for manual handling insofar as it is plugged onto the connecting cable before connecting the stripped conductor ends to the contact springs and then clipped non-positively on the holding plate;
  • the protective cap which consists of two half-shells
  • automated manufacture of the device plug can be set up - after the wire ends have been stripped automatically, the connecting cable is automatically brought up to and contacted by the so-called stop machine using a so-called stop machine and then - equally automated - from the sides the half shells are brought in and clipped in.
  • the two half-shells can also be connected to one another via a film hinge (captive) (see claim 4).
  • a circumferential bead is provided on the holding plate, which is used for the rising peripheral edge of the protective cap Support edge is used (see claim 5).
  • the protective cap has at least one laterally projecting pin attachment via which the inelastic molded part with the clipped-on protective cap is automatically gripped and transported can be (see claim 6).
  • the concept according to the invention also has the advantage that when the insert unit, consisting of the inelastic molded part with the holding plate and the protective cap, is extrusion-coated, i.e. less material is required when producing the end product "device plug".
  • the material for the encapsulation of said assembly unit i.e. the soft-elastic plastic, more expensive than the hard-elastic or inelastic plastic from which the protective cap is made, and the space filled by the protective cap according to the invention no longer needs to be sprayed out.
  • a one-piece protective cap 1 in five views, one of which is designed as a sectional view - a one-piece protective cap 1 is shown. It consists of a hood-shaped plastic molded part 2, the cross-sectional contour of which corresponds to that of the inelastic molded part of the connector (see FIG. 3).
  • the protective cap 1 has on the one hand an open side 3 corresponding to the cross-sectional contour mentioned (see lower left illustration) and diametrically to this on the opposite side a through hole 4 for the supply line (see FIG. 3).
  • the protective cap 1 is placed or plugged onto the holding plate (FIG. 2) mounted in the inelastic molded part of the device connector (see FIG. 3) via the open side 3 mentioned.
  • recesses 5 are provided in the protective cap 1, which run out towards the open side 3, namely on the inner wall of the protective cap 1, via channel-like grooves 6.
  • the protective cap 1 has at least one laterally projecting pin attachment 7, via which the device plug can be automatically gripped and transported when the protective cap 1 is clipped on.
  • a holding plate 10 is shown in FIG. 2 in three views. It consists of a flat plastic plate 11 corresponding to the cross-sectional contour of the protective cap, one side of which has a circumferential shoulder 12, via which the holding plate 10 positively engages the inelastic one Molded part of the connector (see Fig. 3) is placed. On the second side of the holding plate 10, two transverse webs 13 are formed, which on the one hand serve as a separating web between the contact points or connection points of the supply line with the contact springs (see FIG. 3) and on the other hand, latching lugs 14 are formed on the side, which when one is placed on Clip the protective cap into its recesses.
  • the latch consisting of the complementary latching means latch / recess thus ensures a positive and non-positive connection between the protective cap and the holding plate 10 and thus the inelastic molded part of the connector.
  • the contour of the open side of the protective cap is correspondingly a linear support edge 15 integrally formed, on which the circumferential edge of the protective cap is ultimately supported in order to withstand the spray pressure mentioned.
  • FIG. 2 also shows the U-shaped recesses 16 provided in the plastic plate 11 for receiving the contact springs (see FIG. 3).
  • Fig. 3 in three, partially partially sectioned views - one consisting of an inelastic molded part 20, a form-fitting holding plate 10 and a clipped-on protective cap 1 existing assembly unit is shown as a base body for an electrical connector.
  • the protective cap is clipped onto the (edge 14 / recess 5) pairing on the supporting edge; it is attached axially from above (arrow X in Fig. 2).
  • contact springs 21 are inserted into the holding plate 10, on the one hand in to the outside Open spring chambers 22 of the inelastic molded part 20 protrude and, on the other hand, protrude on the second side of the holding plate 10 in order to be connected here to the stripped conductor connections of the supply line 23.
  • the supply line 23 is then led through the through hole 4 of the protective cap 1 to the outside and the assembly unit can be gripped and manipulated via the pin lugs 7 of the protective cap 1.
  • the contour of a molded connector 24, ie the assembly unit mentioned with the molded connector part 25, is dotted and cross-hatched.
  • FIGS. 1 and 3 shows a left half-shell 30 - in five views - it being noted a priori that a mirror-like protective cap corresponding to the one-piece protective cap according to FIGS. 1 and 3 is formed from two mirror-image left and right half-shells .
  • the half-shell 30 according to FIG. 4 consists of a (plastic) molded part 31 which has approximately the shape of a half, ie symmetrically divided, hood.
  • the molded part 31 has, like the protective cap according to FIG. 1, rectangular recesses 32 which cooperate with complementary locking lugs of the holding plate (corresponding to FIG. 5) in such a way that a locking or clip connection is formed between the half-shells and the holding plate when the two half-shells are each attached laterally to the holding plate (see arrow Y in FIG. 5).
  • the half-shell 30 has a bevel 34 on each of the edges 33 oriented toward the axis of symmetry, via which the half-shell 30 can be pushed onto corresponding ramps of the holding plate.
  • a semicircular recess 35 on one end face of the molded part 31 serves, analogously to the through hole of the one-piece protective cap, as a passage opening the supply line (see Fig. 6).
  • the half-shell 30 shown in FIG. 4 has, analogously to the protective cap according to FIG. 1, also half pin projections 36, via which the device plug can be handled fully automatically.
  • FIG. 5 shows - in three views - a holding plate 40 which is designed corresponding to the half-shells 30 for a two-part protective cap.
  • This consists of a flat plastic plate 41 with a circumferential bead 42 for positive insertion into the inelastic molded part of a device connector (see FIG. 6).
  • the holding plate 40 also has two transverse dividers 43 which have oblique ramps 45 on the end faces 44 which are perpendicular to the holding plate 40, behind which the recesses 32 can clip in when the half-shells 30 are attached (see arrow Y).
  • the illustration according to FIG. 5 also shows the U-shaped recesses 46 provided in the plastic plate 41 for receiving the contact springs (cf. FIG. 6).
  • a linear support edge for the edges of the half-shells 30 standing on the holding plate 40 can also be formed in the embodiment according to FIG. 5.
  • FIG. 6 in three, partially sectioned views - a (in the side view) dotted outline and cross hatching completed device connector 50 is shown, in which the so-called connector part 53 is molded onto an inelastic molded part 51 with spring chambers 52 open to the outside.
  • the holding plate 40 according to FIG. 5 is plugged on and in turn a left and a right half-shell 30, 30 'are plugged on from both sides (corresponding to arrow Y in FIG. 5) to form a protective cap and clipped over the complementary locking means.
  • a further embodiment of the present invention provides for these two half-shells 30, 30' to be connected to one another via a film joint. In this way, it is always ensured during the assembly process that 30, 30 'belonging together in pairs are available or are available.
  • the film joint is formed in each case in the area of the mutually opposite systems of the semicircular recesses 35 of two conjugated half shells 30, 30 '.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Description

Die vorliegende Erfindung bezieht sich auf einen elektrischen Gerätestecker nach dem Oberbegriff des Patentanspruchs 1.The present invention relates to an electrical connector according to the preamble of claim 1.

Derartige Stecker sind bekannt (vergleiche DE-PS 38 07 717); sie dienen dazu, ein elektrisches Gerät mit einer Netzsteckdose und damit mit dem Energieversorgungssystem des Elektrizitätswerks zu verbinden. Das entsprechende Verbindungskabel, d.h. die Verbraucherleitung, wird dazu über einen Schutzkontaktstecker mit der Netzsteckdose und über einen gattungsgemäßen Gerätestecker mit dem Gerät selbst gekoppelt.Such plugs are known (compare DE-PS 38 07 717); they are used to connect an electrical device to a mains socket and thus to the power supply system of the electricity company. The corresponding connection cable, i.e. the consumer line is coupled to the mains socket via a protective contact plug and to the device itself via a generic device plug.

Diese Gerätestecker werden heute weitgehend automatisiert hergestellt. Dabei werden die abisolierten Leiterenden der Stromleiter und des Schutzleiters der Versorgungsleitung, d.h. des Verbindungskabels, über eine sogenannte Anschlagmaschine in die jeweiligen Kontaktfedern eingeführt und mittels einer Quetsch- / Crimp-Verbindung fest verbunden.These connectors are now largely automated. The stripped conductor ends of the current conductor and the protective conductor of the supply line, i.e. of the connecting cable, inserted into the respective contact springs via a so-called stop machine and firmly connected by means of a crimp / crimp connection.

Beim Einführen der Leiter in die zugehörigen Kontaktfedern besteht die Gefahr, daß einzelne Leiterdrähtchen an der Stirnseite der Kontaktfeder anstoßen und seitlich abknicken. Wird dies nicht bemerkt, so kann es vorkommen, daß beim abschließenden Umspritzen der Kontaktfedern mit den eingeführten abisolierten Leiterenden die abgeknickten abstehenden Einzeldrähtchen durch die Oberfläche des Gerätesteckers ragen oder so nahe zur Außenseite hin liegen, daß bei der Handhabung des Gerätesteckers ein Erdschluß entstehen kann. Die Person, die den Gerätestecker in die Gegensteckdose des anzuschließenden Geräts steckt, kann dadurch einen gesundheitlichen Schaden erleiden, der sogar zum Tod führen kann.When inserting the conductors into the associated contact springs, there is a risk that individual conductor wires will bump against the end face of the contact spring and kink laterally. If this is not noticed, it can happen that during the final injection molding of the contact springs with the inserted stripped conductor ends, the bent protruding individual wires protrude through the surface of the connector or are so close to the outside that an earth fault can occur when handling the connector. The person who plugs the device plug into the mating socket of the device to be connected can suffer health damage that can even lead to death.

Aus diesem Grunde müssen die fertigen, d.h. fertig gespritzten Gerätestecker jeweils einzeln mittels sogenannter Konturenprüfeinrichtungen auf ihre elektrische Sicherheit geprüft werden. Der Stecker wird dazu in eine entsprechende Prüfform eingelegt und von außen elektrisch beaufschlagt. Auf diese Weise können Stecker mit nach außen durchstehenden oder zu nahe zur Außenseite liegenden Einzeldrähtchen eliminiert werden. Dies ist jedoch mit erheblichen Produktions-, d.h. Prüfkosten verbunden.For this reason, the finished, i.e. Completely injected device plugs are individually checked for their electrical safety using so-called contour testing devices. For this purpose, the plug is inserted into a corresponding test form and electrically charged from the outside. In this way, connectors with individual wires protruding outwards or too close to the outside can be eliminated. However, this is with significant production, i.e. Associated testing costs.

Das beschriebene Problem läßt sich u.a. durch die Verwendung einer Schutzkappe beseitigen. Eine Schutzkappe für Schutzkontaktstecker ist aus der DE-OS 36 40̸ 914 bekannt. Die dort beschriebene Schutzkappe hat die Form und Wirkung einer Abdeckhaube, die die Anschlußstifte für den Schutz- und die Stromleiter auf der Rückseite der Steckerbrücke abdeckt. Der Raum um die Löt- bzw. Crimpstellen des Schutz- und der Stromleiter wird auf diese Weise vor dem Umspritzen des Schutzkontaktsteckers abgesichert. Die Schutzkappe, bzw. ihr Innenraum hat die Gestalt eines dreiecksförmigen Schachts, wobei die Abschlußkante eine komplizierte Form hat und nur teilweise an der Steckerbrücke anliegt. Sie wird von der offenen Seite her über die Anschlußstifte geschoben und umgreift mit Hilfe von Rastnasen Teile der Vorderseite der Steckerbrücke.The problem described can be eliminate by using a protective cap. A protective cap for safety plug is known from DE-OS 36 40̸ 914. The protective cap described there has the shape and effect of a cover, which covers the connecting pins for the protective and the current conductors on the back of the connector bridge. In this way, the space around the soldering or crimping points of the protective conductor and the current conductor is secured before the protective contact plug is encapsulated. The protective cap or its interior has the shape of a triangular shaft, the end edge having a complicated shape and only partially abutting the connector bridge. It is pushed from the open side over the connector pins and grips parts of the front of the connector bridge with the help of locking lugs.

Die Art der Befestigung der Schutzkappe ist bei Gerätesteckern der im Oberbegriff beschriebenen Gattung wegen der fehlenden Um- bzw. Hintergreifbarkeit der hier verwendeten Halteplatten nicht möglich. Ferner schließt die Schutzkappe weder gegenüber der Steckerbrücke noch gegenüber der Versorgungsleitung dicht ab.The type of attachment of the protective cap is the type described in the preamble because of the the rear plates used here cannot be gripped or gripped behind. Furthermore, the protective cap does not seal tightly with respect to either the plug bridge or the supply line.

Die der vorliegenden Erfindung zugrunde liegende Aufgabe besteht nun darin, Teile des Gerätesteckers der gattungsgemäßen Art so zu gestalten, daß trotz der beengten Platzverhältnisse im Bereich der Anschlußstifte bzw. Kontaktfedern das annähernd abdichtende Anbringen einer Schutzkappe möglich wird, um eine Kurzschlußgefahr durch gegebenenfalls abstehende Einzeldrähtchen zu vermeiden und so die elektrische Sicherheit zu optimieren. Auch soll durch die Gestaltung der Schutzkappe eine Einsparung an weichelastischem Kunststoff für das Umspritzen erreicht werden.The problem underlying the present invention is now to design parts of the connector of the generic type so that the approximately sealing attachment of a protective cap is possible in spite of the limited space in the area of the connecting pins or contact springs, in order to prevent a short circuit due to possibly protruding individual wires avoid and thus optimize electrical safety. The design of the protective cap is also intended to save flexible plastic for molding.

Diese Aufgabe wird durch die im kennzeichnenden Teil des Patentanspruchs 1 angegebene Schutzkappe gelöst, die - mit anderen als im Patentanspruch 1 gebrauchten Worten - vor dem Anspritzen des Steckerteils auf die Halteplatte bzw. deren Trennstege gesteckt wird, um den Raum um die Kontaktstellen zwischen den Anschlußstiften bzw. Kontaktfedern und den Leiterenden der Versorgungsleitung nach außen hin und gegeneinander abzusichern, d.h. abzudecken. Die Schutzkappe ist der Kontur des Gerätesteckers entsprechend ausgebildet und überkragt den gesamten Raum über den genannten Kontaktstellen.This object is achieved by the protective cap specified in the characterizing part of patent claim 1, which - in other words than that used in patent claim 1 - is inserted before the injection molding of the plug part onto the holding plate or its separating webs, in order to create the space around the contact points between the connecting pins or to protect contact springs and the conductor ends of the supply line towards the outside and against each other, ie to cover. The protective cap is designed in accordance with the contour of the device plug and projects over the entire space above the contact points mentioned.

Die Schutzkappe steht dabei bündig auf der Halteplatte auf und wird über zueinander komplementäre Rastmittel fixiert. Die Rastmittel selbst sind dabei insbesondere über Rastnasen und dazu komplementäre Ausnehmungen gebildet. Die Rastnasen sind dabei an den auf der Halteplatte angeordneten Trennstegen angeformt.The protective cap stands flush on the holding plate and is fixed by means of complementary locking means. The locking means themselves are formed in particular via locking lugs and complementary recesses. The locking lugs are molded onto the dividers arranged on the holding plate.

In besonderer, auf die halb- oder vollautomatisierte Fertigung abgestellter Ausgestaltung der Schutzkappe ist diese einerseits als einstückiges Formteil ausgebildet oder sie besteht andererseits aus zwei Halbschalen (vergleiche Ansprüche 2 und 3).
Die einstückige Schutzkappe dient dabei der manuellen Handhabung insoweit wie sie vor dem Verbinden der abisolierten Leiterenden mit den Kontaktfedern auf das Verbindungskabel aufgesteckt und anschließend kraftschlüssig an der Halteplatte eingeclipst wird; mit der aus zwei Halbschalen bestehenden Schutzkappe kann eine automatisierte Fertigung der Gerätestecker aufgebaut werden - das Verbindungskabel wird dabei nach der automatischen Abisolierung der Leiterenden über eine sogenannte Anschlagmaschine automatisiert an die Kontaktfedern herangeführt und kontaktiert und anschließend werden - und zwar gleichermaßen automatisiert - von den Seiten her die Halbschalen herangeführt und eingeclipst. Die beiden Halbschalen können gegebenenfalls auch über ein Filmgelenk (unverlierbar) miteinander verbunden werden (vergleiche Anspruch 4).In a special embodiment of the protective cap, which is geared towards the semi-automated or fully automated production, the protective cap is formed on the one hand as a one-piece molded part or on the other hand it consists of two half-shells (compare claims 2 and 3).
The one-piece protective cap is used for manual handling insofar as it is plugged onto the connecting cable before connecting the stripped conductor ends to the contact springs and then clipped non-positively on the holding plate; With the protective cap, which consists of two half-shells, automated manufacture of the device plug can be set up - after the wire ends have been stripped automatically, the connecting cable is automatically brought up to and contacted by the so-called stop machine using a so-called stop machine and then - equally automated - from the sides the half shells are brought in and clipped in. If necessary, the two half-shells can also be connected to one another via a film hinge (captive) (see claim 4).

Um eine dichte Auflagefläche der Schutzkappe auf der Halteplatte zu gewährleisten und sicherzustellen, daß die Schutzkappe im Bereich der Auflagefläche sich nicht aufgrund des Spritzdrucks beim Anspritzen des Steckerteils verformt, ist auf der Halteplatte eine umlaufende Wulst vorgesehen, die für die aufstehende umlaufende Kante der Schutzkappe als Stützkante dient (vergleiche Anspruch 5).In order to ensure a tight contact surface of the protective cap on the holding plate and to ensure that the protective cap does not deform in the area of the contact surface due to the injection pressure when the plug part is molded on, a circumferential bead is provided on the holding plate, which is used for the rising peripheral edge of the protective cap Support edge is used (see claim 5).

Im Hinblick auf die nach dem Aufsetzen der Schutzkappe folgende Endfertigungsstufe des Gerätesteckers, d.h. im Hinblick auf die Zuführung in die Spritzform zum Anspritzen des Steckerteils weist die Schutzkappe mindestens einen seitlich abstehenden Stiftansatz auf, über den das inelastische Formteil mit der aufgeclipsten Schutzkappe automatisch gefaßt und transportiert werden kann (vergleiche Anspruch 6).With regard to the final stage of manufacture of the device connector after the protective cap has been put on, that is to say with regard to the feed into the injection mold for injecting the plug part, the protective cap has at least one laterally projecting pin attachment via which the inelastic molded part with the clipped-on protective cap is automatically gripped and transported can be (see claim 6).

Die erfindungsgemäße Konzeption hat zusätzlich zu den aufgabengemäß erzielten Vorzügen noch den Vorteil, daß beim Umspritzen der aus dem inelastischen Formteil mit der Halteplatte und der Schutzkappe bestehenden Montageeinheit, d.h. beim Herstellen des Endprodukts "Gerätestecker" weniger Material erforderlich ist. Schließlich ist das Material zum Umspritzen der genannten Montageeinheit, d.h. der weichelastische Kunststoff, teurer als der hartelastische beziehungsweise inelastische Kunststoff, aus dem die Schutzkappe besteht, und der von der erfindungsgemäßen Schutzkappe ausgefüllte Raum braucht schließlich nicht mehr ausgespritzt zu werden.In addition to the advantages achieved according to the task, the concept according to the invention also has the advantage that when the insert unit, consisting of the inelastic molded part with the holding plate and the protective cap, is extrusion-coated, i.e. less material is required when producing the end product "device plug". Finally, the material for the encapsulation of said assembly unit, i.e. the soft-elastic plastic, more expensive than the hard-elastic or inelastic plastic from which the protective cap is made, and the space filled by the protective cap according to the invention no longer needs to be sprayed out.

Die Erfindung wird im folgenden anhand der Zeichnung näher erläutert. Diese zeigt in

Fig. 1
eine einstückige Schutzkappe in fünf Ansichten;
Fig. 2
eine zur Schutzkappe nach Fig. 1 komplementäre Halteplatte in drei Ansichten;
Fig. 3
eine aus einem inelastischen Formteil mit einer montierten Halteplatte nach Fig. 2 und einer Schutzkappe nach Fig. 1 bestehende Montageeinheit;
Fig. 4
eine Halbschale einer zweiteiligen Schutzkappe in fünf Ansichten;
Fig. 5
eine zur Schutzkappe nach Fig. 4 komplementäre Halteplatte in drei Ansichten;
Fig. 6
eine aus einem inelastischen Formteil mit einer montierten Halteplatte nach Fig. 5 und einer Schutzkappe nach Fig. 4 bestehende Montageeinheit.
The invention is explained below with reference to the drawing. This shows in
Fig. 1
a one-piece protective cap in five views;
Fig. 2
a complementary to the protective cap of Figure 1 holding plate in three views.
Fig. 3
an assembly unit consisting of an inelastic molded part with an assembled holding plate according to FIG. 2 and a protective cap according to FIG. 1;
Fig. 4
a half-shell of a two-part protective cap in five views;
Fig. 5
a complementary to the protective cap of Figure 4 holding plate in three views.
Fig. 6
an assembly unit consisting of an inelastic molded part with an assembled holding plate according to FIG. 5 and a protective cap according to FIG. 4.

In Fig. 1 ist - in fünf Ansichten, deren eine als Schnittdarstellung ausgeführt ist - eine einstückige Schutzkappe 1 dargestellt. Sie besteht aus einem haubenförmigen Kunststoff-Formteil 2, dessen Querschnittskontur der des inelastischen Formteils des Gerätesteckers (vergleiche Fig. 3) entspricht.In Fig. 1 - in five views, one of which is designed as a sectional view - a one-piece protective cap 1 is shown. It consists of a hood-shaped plastic molded part 2, the cross-sectional contour of which corresponds to that of the inelastic molded part of the connector (see FIG. 3).

Die Schutzkappe 1 hat einerseits eine der genannten Querschnittskontur entsprechende offene Seite 3 (vergleiche untere linke Darstellung) und diametral hierzu an der gegenüberliegenden Seite eine Durchgangsbohrung 4 für die Versorgungsleitung (vergleiche Fig. 3). Über die genannte offene Seite 3 wird die Schutzkappe 1 auf die im inelastischen Formteil des Gerätesteckers (vergleiche Fig. 3) montierte Halteplatte (Fig. 2) aufgesetzt beziehungsweise aufgesteckt.The protective cap 1 has on the one hand an open side 3 corresponding to the cross-sectional contour mentioned (see lower left illustration) and diametrically to this on the opposite side a through hole 4 for the supply line (see FIG. 3). The protective cap 1 is placed or plugged onto the holding plate (FIG. 2) mounted in the inelastic molded part of the device connector (see FIG. 3) via the open side 3 mentioned.

Um eine zwischen der Schutzkappe 1 und der Halteplatte wirksame Rast- beziehungsweise Clipsverbindung zu realisieren, sind in der Schutzkappe 1 Ausnehmungen 5 vorgesehen, die zur offenen Seite 3 hin, und zwar an der Innenwandung der Schutzkappe 1, über kanalähnliche Nuten 6 auslaufen. Als weiteres Formelement weist die Schutzkappe 1 mindestens einen seitlich vorstehenden Stiftansatz 7 auf, über die der Gerätestecker bei aufgeclipster Schutzkappe 1 automatisch gefaßt und transportiert werden kann.In order to realize an effective locking or clip connection between the protective cap 1 and the holding plate, recesses 5 are provided in the protective cap 1, which run out towards the open side 3, namely on the inner wall of the protective cap 1, via channel-like grooves 6. As a further shaped element, the protective cap 1 has at least one laterally projecting pin attachment 7, via which the device plug can be automatically gripped and transported when the protective cap 1 is clipped on.

In Fig. 2 ist - in drei Ansichten - eine Halteplatte 10 dargestellt. Sie besteht aus einer der Querschnittskontur der Schutzkappe entsprechenden flachen Kunststoffplatte 11, deren eine Seite einen umlaufenden Absatz 12 aufweist, über den die Halteplatte 10 formschlüssig auf das inelastische Formteil des Gerätesteckers (vergleiche Fig. 3) aufgesetzt wird. Auf der zweiten Seite der Halteplatte 10 sind zwei quer verlaufende Stege 13 angeformt, die einerseits als Trennsteg zwischen den Kontaktstellen beziehungsweise Anschlußpunkten der Versorgungsleitung mit den Kontaktfedern (vergleiche Fig. 3) dienen und an die andererseits seitlich Rastnasen 14 angeformt sind, die beim Aufsetzen einer Schutzkappe in deren Ausnehmungen einclipsen. Die aus den komplementären Rastmitteln Rastnase / Ausnehmung bestehende Rast gewährleistet so eine form- und kraftschlüssige Verbindung zwischen der Schutzkappe und der Halteplatte 10 und damit dem inelastischen Formteil des Gerätesteckers. Um eine dichte Auflage der Schutzkappe auf der Halteplatte 10 zu gewährleisten und darüberhinaus die auf der Halteplatte 10 aufstehende Umlaufkante der offenen Seite 3 der Schutzkappe gegen den Spritzdruck beim Anspritzen des Steckerteils zu stützen, ist der Kontur der offenen Seite der Schutzkappe entsprechend eine linienförmige Stützkante 15 angeformt, an der sich letztlich die Umlaufkante der Schutzkappe abstützt, um dem genannten Spritzdruck zu widerstehen.A holding plate 10 is shown in FIG. 2 in three views. It consists of a flat plastic plate 11 corresponding to the cross-sectional contour of the protective cap, one side of which has a circumferential shoulder 12, via which the holding plate 10 positively engages the inelastic one Molded part of the connector (see Fig. 3) is placed. On the second side of the holding plate 10, two transverse webs 13 are formed, which on the one hand serve as a separating web between the contact points or connection points of the supply line with the contact springs (see FIG. 3) and on the other hand, latching lugs 14 are formed on the side, which when one is placed on Clip the protective cap into its recesses. The latch consisting of the complementary latching means latch / recess thus ensures a positive and non-positive connection between the protective cap and the holding plate 10 and thus the inelastic molded part of the connector. In order to ensure a tight fit of the protective cap on the holding plate 10 and also to support the circumferential edge of the open side 3 of the protective cap that is standing on the holding plate 10 against the injection pressure when the plug part is molded on, the contour of the open side of the protective cap is correspondingly a linear support edge 15 integrally formed, on which the circumferential edge of the protective cap is ultimately supported in order to withstand the spray pressure mentioned.

Fig. 2 zeigt ferner die zur Aufnahme der Kontaktfedern (vergleiche Fig. 3) vorgesehenen U-förmigen Ausnehmungen 16 in der Kunststoffplatte 11.FIG. 2 also shows the U-shaped recesses 16 provided in the plastic plate 11 for receiving the contact springs (see FIG. 3).

In Fig. 3 ist - in drei, teils teilweise geschnittenen Ansichten - eine aus einem inelastischen Formteil 20, einer formschlüssig eingepaßten Halteplatte 10 und einer an dieser eingeclipsten Schutzkappe 1 bestehende Montageeinheit als Grundkörper für einen elektrischen Gerätestecker dargestellt. Die Schutzkappe ist über die (Rastnase 14 / Ausnehmung 5) - Paarung an der Stützkante anliegend eingeclipst; sie ist axial von oben her (Pfeil X in Fig. 2) aufgesteckt. In die Halteplatte 10 sind darüberhinaus Kontaktfedern 21 eingesetzt, die einerseits in nach außen offene Federkammern 22 des inelastischen Formteils 20 ragen und andererseits an der zweiten Seite der Halteplatte 10 vorstehen, um hier mit den abisolierten Leiteranschlüssen der Versorgungsleitung 23 verbunden zu werden. Die Versorgungsleitung 23 ist dann durch die Durchgangsbohrung 4 der Schutzkappe 1 nach außen geführt und die genannte Montageeinheit kann über die Stiftansätze 7 der Schutzkappe 1 gefaßt und manipuliert werden. In Fig. 3 ist der Vollständigkeit halber die Kontur eines fertig gespritzten Gerätesteckers 24, d.h. die genannte Montageeinheit mit dem angespritzten Steckerteil 25 gepunktet und kreuzschraffiert angedeutet.In Fig. 3 - in three, partially partially sectioned views - one consisting of an inelastic molded part 20, a form-fitting holding plate 10 and a clipped-on protective cap 1 existing assembly unit is shown as a base body for an electrical connector. The protective cap is clipped onto the (edge 14 / recess 5) pairing on the supporting edge; it is attached axially from above (arrow X in Fig. 2). In addition, contact springs 21 are inserted into the holding plate 10, on the one hand in to the outside Open spring chambers 22 of the inelastic molded part 20 protrude and, on the other hand, protrude on the second side of the holding plate 10 in order to be connected here to the stripped conductor connections of the supply line 23. The supply line 23 is then led through the through hole 4 of the protective cap 1 to the outside and the assembly unit can be gripped and manipulated via the pin lugs 7 of the protective cap 1. In FIG. 3, for the sake of completeness, the contour of a molded connector 24, ie the assembly unit mentioned with the molded connector part 25, is dotted and cross-hatched.

In Fig. 4 ist eine linke Halbschale 30 - in fünf Ansichten - dargestellt, wobei a priori anzumerken ist, daß aus zwei spiegelbildlich gleichen linken und rechten Halbschalen jeweils eine funktional der einstückigen Schutzkappe gemäß Fig. 1 und Fig. 3 entsprechende zusammengesetzte Schutzkappe gebildet wird.4 shows a left half-shell 30 - in five views - it being noted a priori that a mirror-like protective cap corresponding to the one-piece protective cap according to FIGS. 1 and 3 is formed from two mirror-image left and right half-shells .

Die Halbschale 30 nach Fig. 4 besteht aus einem (Kunststoff-) Formteil 31, das etwa die Form einer halben, d.h. symmetrisch geteilten, Haube aufweist. Das Formteil 31 weist gleichermaßen wie die Schutzkappe nach Fig. 1 rechteckige Ausnehmungen 32 auf, die mit komplementären Rastnasen der Halteplatte (entsprechend Fig. 5) so zusammenwirken, daß zwischen den Halbschalen und der Halteplatte eine Rast- beziehungsweise Clipsverbindung entsteht, wenn die beiden Halbschalen je für sich seitlich an die Halteplatte angesetzt werden (vergleiche Pfeil Y in Fig. 5). Die Halbschale 30 weist an den zur Symmetrieachse hin orientierten Kanten 33 je eine Schräge 34 auf, über die die Halbschale 30 auf entsprechende Rampen der Halteplatte aufgeschoben werden kann. Eine halbkreisförmige Ausnehmung 35 an der einen Stirnseite des Formteils 31 dient analog der Durchgangsbohrung der einstückigen Schutzkappe als Durchtrittsöffnung der Versorgungsleitung (vergleiche Fig. 6). Die in Fig. 4 dargestellte Halbschale 30 weist analog zur Schutzkappe nach Fig. 1 auch halbe Stiftvorsprünge 36 auf, über die ein vollautomatisches Handling der Gerätestecker möglich ist.The half-shell 30 according to FIG. 4 consists of a (plastic) molded part 31 which has approximately the shape of a half, ie symmetrically divided, hood. The molded part 31 has, like the protective cap according to FIG. 1, rectangular recesses 32 which cooperate with complementary locking lugs of the holding plate (corresponding to FIG. 5) in such a way that a locking or clip connection is formed between the half-shells and the holding plate when the two half-shells are each attached laterally to the holding plate (see arrow Y in FIG. 5). The half-shell 30 has a bevel 34 on each of the edges 33 oriented toward the axis of symmetry, via which the half-shell 30 can be pushed onto corresponding ramps of the holding plate. A semicircular recess 35 on one end face of the molded part 31 serves, analogously to the through hole of the one-piece protective cap, as a passage opening the supply line (see Fig. 6). The half-shell 30 shown in FIG. 4 has, analogously to the protective cap according to FIG. 1, also half pin projections 36, via which the device plug can be handled fully automatically.

In Fig. 5 ist - in drei Ansichten - eine den Halbschalen 30 für eine zweiteilige Schutzkappe entsprechend ausgebildete Halteplatte 40 dargestellt. Diese besteht aus einer flachen Kunststoffplatte 41 mit einem umlaufenden Wulst 42 zum formschlüssigen Einfügen in das inelastische Formteil eines Gerätesteckers (vergleiche Fig. 6). Die Halteplatte 40 weist darüberhinaus gleichermaßen zwei quer verlaufende Trennstege 43 auf, die an den senkrecht zur Halteplatte 40 stehenden Stirnseiten 44 schräge Rampen 45 aufweisen, hinter denen beim Aufstecken der Halbschalen 30 (vergleiche Pfeil Y) deren Ausnehmungen 32 einclipsen können. In der Darstellung nach Fig. 5 sind der Vollständigkeit halber auch die zur Aufnahme der Kontaktfedern (vergleiche Fig. 6) vorgesehenen U-förmigen Ausnehmungen 46 in der Kunststoffplatte 41 gezeichnet. Es soll noch angemerkt werden, daß auch beim Ausführungsbeispiel nach Fig. 5 eine linienförmige Stützkante für die auf der Halteplatte 40 aufstehenden Kanten der Halbschalen 30 angeformt werden kann.5 shows - in three views - a holding plate 40 which is designed corresponding to the half-shells 30 for a two-part protective cap. This consists of a flat plastic plate 41 with a circumferential bead 42 for positive insertion into the inelastic molded part of a device connector (see FIG. 6). The holding plate 40 also has two transverse dividers 43 which have oblique ramps 45 on the end faces 44 which are perpendicular to the holding plate 40, behind which the recesses 32 can clip in when the half-shells 30 are attached (see arrow Y). For the sake of completeness, the illustration according to FIG. 5 also shows the U-shaped recesses 46 provided in the plastic plate 41 for receiving the contact springs (cf. FIG. 6). It should also be noted that a linear support edge for the edges of the half-shells 30 standing on the holding plate 40 can also be formed in the embodiment according to FIG. 5.

In Fig. 6 ist - in drei, teilweise geschnitten Ansichten - ein (in der Seitenansicht) über gepunktete Umrißlinien und Kreuzschraffuren komplettierter Gerätestecker 50 dargestellt, bei dem an ein inelastisches Formteil 51 mit nach außen offenen Federkammern 52 das sogenannte Steckerteil 53 angespritzt ist. Vor dem Anspritzen des Steckerteils 53 ist die Halteplatte 40 gemäß Fig. 5 aufgesteckt und auf diese wiederum sind von den beiden Seiten (entsprechend Pfeil Y in Fig. 5) her je eine linke und eine rechte Halbschale 30, 30' zur Bildung einer Schutzkappe aufgesteckt und über die komplementären Rastmittel eingeclipst. Auf der Grundlage der in Fig. 4 und Fig. 5 dargestellten Elemente läßt sich so eine vollautomatisierte Fertigung aufbauen, bei der die Leiterenden der Versorgungsleitung 54 automatisch abisoliert und an die Kontaktfedern 55 herangeführt werden und wobei anschließend die Halbschalen 30, 30' gleichermaßen automatisiert montiert, d.h. eingeclipst werden können.In Fig. 6 - in three, partially sectioned views - a (in the side view) dotted outline and cross hatching completed device connector 50 is shown, in which the so-called connector part 53 is molded onto an inelastic molded part 51 with spring chambers 52 open to the outside. Before the plug part 53 is molded on, the holding plate 40 according to FIG. 5 is plugged on and in turn a left and a right half-shell 30, 30 'are plugged on from both sides (corresponding to arrow Y in FIG. 5) to form a protective cap and clipped over the complementary locking means. Based on The elements shown in FIGS. 4 and 5 can thus be used to set up a fully automated production, in which the conductor ends of the supply line 54 are automatically stripped and brought up to the contact springs 55, and the half-shells 30, 30 'are then automatically assembled, ie clipped on can be.

Bezugnehmend auf die in Fig. 4, 5 und 6 dargestellte , aus zwei spiegelbildich identischen Halbschalen 30, 30' bestehende Schutzkappe ist in weiterer Ausgestaltung der vorliegenden Erfindung noch vorgesehen, diese beiden Halbschalen 30, 30' über ein Filmgeklenk miteinander zu verbinden. Damit ist während des Montageprozesses stets sichergestellt, daß paarweise zusammengehörige 30, 30' bereitstehen beziehungsweise bereitliegen. Das Filmgelenk ist dabei jeweils im Bereich der einander gegenüber liegenden Anlagen der halbkreisförmigen Ausnehmungen 35 zweier konjugierter Halbschalen 30, 30' angeformt.With reference to the protective cap shown in FIGS. 4, 5 and 6 and consisting of two mirror-image identical half-shells 30, 30 ', a further embodiment of the present invention provides for these two half-shells 30, 30' to be connected to one another via a film joint. In this way, it is always ensured during the assembly process that 30, 30 'belonging together in pairs are available or are available. The film joint is formed in each case in the area of the mutually opposite systems of the semicircular recesses 35 of two conjugated half shells 30, 30 '.

Claims (6)

  1. An electrical appliance plug with a casing of insulating material and spring chambers (22; 52) which are open to the outside and into each of which a respective contact spring (21; 55) is inserted, wherein the contact springs (21; 55) on the one hand are connected to the current conductors and the earthed conductor of a supply line (23; 54) and on the other hand are constructed in such a way that they receive plug pins of a counterplug device, wherein the casing of insulating material comprises an inelastic shaped part (20; 51) containing the spring chambers (22; 52) and an injection-moulded plug part (25; 53) insulating the contact points between the contact springs and the conductors of the supply line, and wherein a retaining plate (10; 40) mounted on the inelastic shaped part (20; 51) before the injection-moulding of the plug part (25; 53) is provided and supports the contact springs (21; 55) in accordance with the arrangement of the spring chambers, in such a way that the said contact springs (21; 55) on the one hand project into the spring chambers and on the other hand project on the second side of the retaining plate (10; 40) and act as attachment pins for the insulated conductor ends of the supply line, and a protective cap (1; 30, 30') overhanging the attachment pins including the conductor ends of the supply line is mounted on the second side of the retaining plate (10; 40), characterized in that the retaining plate (10; 40) and the protective cap (1) have mutually complementary catching means (5, 14; 32, 45), wherein the catching means are formed by catching projections (14; 45) integrally moulded on separating webs (13; 43) mounted on the retaining plate (10; 40) between the attachment pins (21; 55) on the one hand and by recesses (5; 32) formed in the protective cap and complementary to the catching projections on the other hand.
  2. An electrical appliance plug according to Claim 1, characterized in that the protective cap (1) is a one-piece moulded part attached by clips axially onto the inelastic moulded part and the retaining plate (10; 40).
  3. An electrical appliance plug according to Claim 1, characterized in that the protective cap comprises two mirror-symmetrically identical half shells (30, 30') which are each attached, and in particular attached by clips, to the side of the retaining plate (40).
  4. An electrical appliance plug according to Claim 3, characterized in that the mirror-symmetrically identical half shells (30, 30') are connected together by way of a film hinge.
  5. An electrical appliance plug according to one of Claims 1 to 4, characterized in that the surrounding edge of the protective cap mounted on the retaining plate (10) has associated therewith a supporting edge (15) projecting on the retaining plate.
  6. An electrical appliance plug according to one of Claims 1 to 5, characterized in that the protective cap comprises at least one pin attchment (7; 36) projecting laterally.
EP94107436A 1993-05-21 1994-05-13 Appliance connector with a moulded component and with a holding plate for contact springs Expired - Lifetime EP0625806B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4316962 1993-05-21
DE4316962A DE4316962C2 (en) 1993-05-21 1993-05-21 Electrical device plug with a molded-on plug part and a holding plate for the contact springs

Publications (2)

Publication Number Publication Date
EP0625806A1 EP0625806A1 (en) 1994-11-23
EP0625806B1 true EP0625806B1 (en) 1997-08-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP94107436A Expired - Lifetime EP0625806B1 (en) 1993-05-21 1994-05-13 Appliance connector with a moulded component and with a holding plate for contact springs

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EP (1) EP0625806B1 (en)
DE (2) DE4316962C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10026065A1 (en) * 2000-05-25 2001-12-13 Kazmierczak Gmbh Plug socket for refrigeration machine, comprises socket plate with peripheral strap, with halves of protective cap interlocked with lock elements

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2746969B1 (en) * 1996-04-02 1998-06-19 Eurelectric ELECTRICAL CONNECTOR COMPRISING A LOCKING ELEMENT FOR SEALING THE HOUSING
DE19748044A1 (en) * 1997-10-30 1999-05-06 Cit Alcatel Coupling element of an electrical cable
ATE470968T1 (en) * 2008-03-06 2010-06-15 Nexans ELECTRICAL COUPLING PART WITH CONNECTED ELECTRICAL CABLE
DE202016000137U1 (en) 2016-01-11 2016-02-02 Axel R. Hidde Appliance plug with optional cable passage

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DE2043691A1 (en) * 1970-09-03 1972-03-09 Heil Ohg O Non-clampable warm device socket for subsequent connection to electrical connection lines
DE3640914C2 (en) * 1986-11-29 1994-11-03 Taller Gmbh Earthing contact plug with jumper and protective cap
DE3641791A1 (en) * 1986-12-06 1988-06-09 Reinshagen Kabelwerk Gmbh Electrical plug connector having a permanently connected cable (line, lead)
DE3643254A1 (en) * 1986-12-18 1988-07-07 Kabelmetal Electro Gmbh ELECTRICAL CONNECTOR AND METHOD FOR THE PRODUCTION THEREOF
DE8715003U1 (en) * 1987-11-11 1987-12-23 Taller GmbH Metall- und Kunststofftechnik, 7517 Waldbronn Electrical appliance plug
DE3807309A1 (en) * 1988-03-05 1989-09-07 Taller Gmbh Two-pole protective-earth contact plug (Europlug, German standard two-pin plug)
DE3807717A1 (en) * 1988-03-09 1989-09-28 Taller Gmbh ELECTRICAL DEVICE PLUG WITH A HOLDING PLATE FOR THE CONTACT SPRINGS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10026065A1 (en) * 2000-05-25 2001-12-13 Kazmierczak Gmbh Plug socket for refrigeration machine, comprises socket plate with peripheral strap, with halves of protective cap interlocked with lock elements

Also Published As

Publication number Publication date
DE59403605D1 (en) 1997-09-11
EP0625806A1 (en) 1994-11-23
DE4316962A1 (en) 1994-11-24
DE4316962C2 (en) 1996-08-08

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