EP0621742B1 - Housing for a lamp ballast - Google Patents

Housing for a lamp ballast Download PDF

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Publication number
EP0621742B1
EP0621742B1 EP94105615A EP94105615A EP0621742B1 EP 0621742 B1 EP0621742 B1 EP 0621742B1 EP 94105615 A EP94105615 A EP 94105615A EP 94105615 A EP94105615 A EP 94105615A EP 0621742 B1 EP0621742 B1 EP 0621742B1
Authority
EP
European Patent Office
Prior art keywords
caps
blanking
lateral
housing
cap
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
EP94105615A
Other languages
German (de)
French (fr)
Other versions
EP0621742A3 (en
EP0621742A2 (en
Inventor
Roland Kastl
Reinhardt Lecheler
Theodor Kiemeier
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP0621742A2 publication Critical patent/EP0621742A2/en
Publication of EP0621742A3 publication Critical patent/EP0621742A3/en
Application granted granted Critical
Publication of EP0621742B1 publication Critical patent/EP0621742B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details

Definitions

  • the invention relates to a housing for a lamp ballast according to the preamble of the claim 1.
  • Ballast housing for the operation of discharge lamps and halogen bulbs sit in the essentially consisting of a lower and upper part rectangular dimensions together.
  • Safety requirements of protection classes I, II and III IEC 65 or VDE 0860
  • compliant housings is the top part of three separate cover caps assembled, with the middle cap is not detachably connected to the lower part and surrounds the ballast.
  • the side right and caps to the left of the middle cap cover the electrical network connections or connections the lamps to the ballast from and are for protection against accidental contact and for security reasons detachable with screws on the lower part attached.
  • the side cover caps are attached using Screws represent a high cost of materials. Since the screws are made of metal, a must Safety distance to active, i.e. energizing Metal parts of 8 mm and too easily insulated live lines, e.g. Power lines of 4 mm are adhered to the To meet security requirements. This will enlarge the required housing dimensions.
  • the object of the invention is to provide a housing for Ballasts with a simple mounting mechanism for the side cover caps, that works without screws.
  • the cover caps should have the necessary protection against accidental contact to active metal parts and compliance with the meet the required safety distances and not by hand, i.e. without a technical aid be removable.
  • the housing is a housing according to the invention made of plastic in top or side view.
  • the housing consists of a lower part and an upper part together, the lower part from a base plate 1 and a peripheral edge 2 exists.
  • the top is divided into three Cover caps divided, a middle cover cap 3 with a top surface 4 and four side walls 5, 6 and two side caps 7, 8, each with a top surface 9 or 10 and three side walls each 11, 12, 13 and 14, 15, 16.
  • the middle cap 3 is after Installation of the ballast parts not removable with connected to the edge 2.
  • the two side caps 7, 8 can, as shown below, by inserting a screwdriver blade into the Openings formed by rectangular indentations 17, 18 or 19, 20 at the mutually abutting ends of the adjacent cover surfaces 9 and 4 or 10 and 4 are formed, are lifted off.
  • Figure 3 shows a longitudinal section through the inventive Housing in the area of the right cover cap 8 for clarity here on a representation of the integrated electrical connections that have nothing to do with the idea of the invention have to do without.
  • the cover cap 8 consists of a top surface 10 and three Side walls, of which only one longitudinal side wall 14 and the narrow side wall 15 can be seen.
  • the locking of the side cover cap 8 consists of a vertical rib 22 in each case inside on the two longitudinal side walls 14, which in a groove 23 on rectangular retaining tabs 24 in the Extension of the two longitudinal side walls 5 of the middle cap 3 engages. It is also on the top surface 10 with a middle retaining tab 25 a groove 26 is set into which a rib 27 outside in the middle of the narrow side wall 21 of the middle Cap 3 engages.
  • the two longitudinal side walls 14 of the side Cover cap 8 are also on its inner wall equipped with a protruding retaining tab 29.
  • the holding tab 29 has on its outside a rib 30 which, when the cover cap is in place 8 in a groove 31 in the edge 2 of the lower housing part snaps in. This will give better lateral support reached the cap.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Casings For Electric Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

The housing consists of an upper part which comprises three separate cover caps (3, 8), the two lateral cover caps (8) being held by one lock each. The lock consists in each case of two lateral holding channels (24) which have a perpendicularly running groove (23) on the central cover cap, into which groove a perpendicular rib (22) engages on the inside of the longitudinal side wall (14) of the lateral cover cap (8). In addition, a central holding tongue (25) is attached to the top area (10) of the lateral cover cap (8), in the horizontal groove (26) of which central holding tongue a rib (27) engages on the outside of the narrow side wall (21) of the central cover cap (3). <IMAGE>

Description

Die Erfindung betrifft ein Gehäuse für ein Lampen-Vorschaltgerät gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a housing for a lamp ballast according to the preamble of the claim 1.

Gehäuse für Vorschaltgeräte zum Betrieb von Entladungslampen und Halogenglühlampen setzen sich im wesentlichen aus einem Unter- und Oberteil mit rechteckigen Abmessungen zusammen. Bei den die Sicherheitsanforderungen der Schutzklassen I, II und III (IEC 65 bzw. VDE 0860) erfüllenden Gehäusen ist das Oberteil aus drei getrennten Abdeckkappen zusammengesetzt, wobei die mittlere Abdeckkappe nicht abnehmbar mit dem Unterteil verbunden ist und das Vorschaltgerät umgibt. Die seitlich rechts und links der mittleren Abdeckkappe angeordneten Kappen decken die elektrischen Netzanschlüsse bzw. Anschlüsse der Lampen an das Vorschaltgerät ab und sind aus Berührungsschutz- und Verschlußsicherheitsgründen mittels Schrauben lösbar am Unterteil befestigt.Ballast housing for the operation of discharge lamps and halogen bulbs sit in the essentially consisting of a lower and upper part rectangular dimensions together. With those Safety requirements of protection classes I, II and III (IEC 65 or VDE 0860) compliant housings is the top part of three separate cover caps assembled, with the middle cap is not detachably connected to the lower part and surrounds the ballast. The side right and caps to the left of the middle cap cover the electrical network connections or connections the lamps to the ballast from and are for protection against accidental contact and for security reasons detachable with screws on the lower part attached.

Die Befestigung der seitlichen Abdeckkappen mittels Schrauben stellt einen hohen Materialaufwand dar. Da die Schrauben aus Metall sind, muß außerdem ein Sicherheitsabstand zu aktiven, d.h. spannungsführenden Metallteilen von 8 mm und zu einfach isolierten spannungsführenden Leitungen, wie z.B. Netzleitungen, von 4 mm eingehalten werden, um den Sicherheitsanforderungen zu genügen. Dadurch vergrößern sich die erforderlichen Gehäuseabmessungen.The side cover caps are attached using Screws represent a high cost of materials. Since the screws are made of metal, a must Safety distance to active, i.e. energizing Metal parts of 8 mm and too easily insulated live lines, e.g. Power lines of 4 mm are adhered to the To meet security requirements. This will enlarge the required housing dimensions.

Neben der aufwendigeren Gehäuseendmontage bei der Fertigung ist die Verwendung von Schrauben zur Befestigung auch anwenderunfreundlich. Das Festschrauben der seitlichen Abdeckkappen gestaltet sich bei der Montage an schwer zugänglichen Stellen oft sehr mühsam. Außerdem können die Schrauben bei demontierten Kappen leicht verlorengehen.In addition to the more complex final assembly of the housing at Manufacturing is the use of screws for Attachment also unfriendly. Tightening of the side cover caps during assembly in hard-to-reach places often very tedious. You can also use the screws can easily be lost when the caps are removed.

Aufgabe der Erfindung ist es, ein Gehäuse für Vorschaltgeräte mit einem einfachen Befestigungsmechanismus für die seitlichen Abdeckkappen zu schaffen, der ohne Schrauben auskommt. Die Abdeckkappen sollten dabei den erforderlichen Berührungsschutz zu aktiven Metallteilen und die Einhaltung der benötigten Sicherheitsabstände erfüllen und nicht von Hand, d.h. ohne ein technisches Hilfsmittel abnehmbar sein.The object of the invention is to provide a housing for Ballasts with a simple mounting mechanism for the side cover caps, that works without screws. The cover caps should have the necessary protection against accidental contact to active metal parts and compliance with the meet the required safety distances and not by hand, i.e. without a technical aid be removable.

Die Aufgabe wird durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst. Weitere vorteilhafte Merkmale sind den Unteransprüchen zu entnehmen.The task is characterized by the characteristics of claim 1 solved. Other advantageous features can be found in the subclaims.

Durch die senkrechten Rippen innen an den Längs-Seitenwänden der seitlichen Abdeckkappen, die in entsprechende Nuten der seitlichen Haltelaschen an der mittleren Abdeckkappe eingreifen, wird ein Abziehen der seitlichen Abdeckkappen in der Gehäuse-Längsrichtung verhindert. Durch die waagerechte Rippe an der Schmal-Seitenwand der mittleren Abdeckkappe, die in die Nut der an der Deckfläche der seitlichen Abdeckkappen angesetzten mittleren Haltelasche eingreift, wird auch ein fester Halt in senkrechter Richtung erreicht. Zum Abnehmen der seitlichen Abdeckkappen muß lediglich die Haltelasche von der Rippe weggedrückt werden, wobei Einbuchtungen an der Deckfläche der mittleren und seitlichen Abdeckkappen es erleichtern, mit einem spitzen Gegenstand, wie z.B. einem Schraubenzieher, zwischen Rippe und Haltelasche zu fahren.Through the vertical ribs on the inside of the longitudinal side walls the side cover caps, which in corresponding grooves on the side retaining tabs the middle cap will engage Pull off the side cover caps in the longitudinal direction of the housing prevented. Through the horizontal Rib on the narrow side wall of the middle cap, the in the groove of the on the top surface of the side cover caps attached middle Engages holding tab, will also have a firm hold in vertical direction reached. To lose weight side caps only need the retaining tab be pushed away from the rib, making indentations on the top surface of the middle and side caps make it easier to use a sharp object, such as a screwdriver, to drive between the rib and the retaining tab.

Mit einer einfachen Hebelbewegung eines Schraubenziehers können somit die seitlichen Abdeckkappen demontiert werden. Zur nachfolgenden Montage der Abdeckkappen nach dem Herstellen der elektrischen Anschlüsse müssen die Kappen lediglich von Hand aufgesteckt und eingeschnappt werden. Hierzu wird kein Werkzeug benötigt.With a simple lever movement of a screwdriver can the side cover caps be dismantled. For the subsequent assembly of the Cover caps after making the electrical The caps only have to be connected by hand be plugged on and snapped into place. To do this no tools needed.

Eine Erweiterung der Nut am oberen Ende der Haltelaschen erleichtert das Abnehmen der Abdeckkappen. Vorteilhaft sind zusätzliche Haltelaschen an den Längs-Seitenwänden der seitlichen Abdeckkappen, die mit einer Rippe in eine Nut im Rand des Unterteils einschnappen, angebracht. Diese gewähren einen zusätzlichen Halt und verhindern ein seitliches Verschieben der Abdeckkappen.An extension of the groove at the top of the retaining tabs makes it easier to remove the cover caps. Additional retaining tabs on the are advantageous Longitudinal side walls of the side caps that with a rib in a groove in the edge of the lower part snap in, attached. These grant one additional hold and prevent sideways Move the cover caps.

Die Erfindung ist anhand der nachfolgenden Figuren näher dargestellt.

Figur 1
zeigt eine Draufsicht eines Gehäuses für ein Lampen-Vorschaltgerät
Figur 2
zeigt eine Seitenansicht des Gehäuses gemäß Figur 1
Figur 3
zeigt in vergrößerter Form einen Längsschnitt durch das Gehäuse im Bereich der rechten Abdeckkappe
The invention is illustrated by the following figures.
Figure 1
shows a plan view of a housing for a lamp ballast
Figure 2
shows a side view of the housing according to Figure 1
Figure 3
shows in an enlarged form a longitudinal section through the housing in the area of the right cap

In Figur 1 und 2 ist ein erfindungsgemäßes Gehäuse aus Kunststoff in Drauf- bzw. Seitenansicht dargestellt. Das Gehäuse setzt sich aus einem Unterteil und einem Oberteil zusammen, wobei das Unterteil aus einer Bodenplatte 1 und einem umlaufenden Rand 2 besteht. Das Oberteil ist in drei getrennte Abdeckkappen aufgeteilt, eine mittlere Abdeckkappe 3 mit einer Deckfläche 4 und vier Seitenwänden 5, 6 sowie zwei seitliche Abdeckkappen 7, 8 mit jeweils einer Deckfläche 9 bzw. 10 und jeweils drei Seitenwänden 11, 12, 13 bzw. 14, 15, 16. Während der Innenraum unter der mittleren Abdeckkappe 3 zur Aufnahme des eigentlichen Vorschaltgeräts dient, sind die Räume unter den seitlichen Abdeckkappen 7, 8 für die Aufnahme der elektrischen Anschlüsse vorgesehen. Die mittlere Abdeckkappe 3 wird nach Einbau der Vorschaltgeräteteile nicht abnehmbar mit dem Rand 2 verbunden. Die beiden seitlichen Abdeckkappen 7, 8 können, wie weiter unten aufgezeigt, durch Einführen einer Schraubenzieherklinge in die Öffnungen, die durch rechteckige Einbuchtungen 17, 18 bzw. 19, 20 an den gegeneinanderstoßenden Enden der benachbarten Deckflächen 9 und 4 bzw. 10 und 4 gebildet sind, abgehoben werden.1 and 2 is a housing according to the invention made of plastic in top or side view. The housing consists of a lower part and an upper part together, the lower part from a base plate 1 and a peripheral edge 2 exists. The top is divided into three Cover caps divided, a middle cover cap 3 with a top surface 4 and four side walls 5, 6 and two side caps 7, 8, each with a top surface 9 or 10 and three side walls each 11, 12, 13 and 14, 15, 16. During the Interior under the middle cap 3 for The actual ballast is used, are the spaces under the side caps 7, 8 to accommodate the electrical connections intended. The middle cap 3 is after Installation of the ballast parts not removable with connected to the edge 2. The two side caps 7, 8 can, as shown below, by inserting a screwdriver blade into the Openings formed by rectangular indentations 17, 18 or 19, 20 at the mutually abutting ends of the adjacent cover surfaces 9 and 4 or 10 and 4 are formed, are lifted off.

Figur 3 stellt einen Längsschnitt durch das erfindungsgemäße Gehäuse im Bereich der rechten Abdeckkappe 8 dar. Zur besseren Veranschaulichung wurde hierbei auf eine Darstellung der integrierten elektrischen Anschlüsse, die nichts mit dem Erfindungsgedanken zu tun haben, verzichtet. Die Abdeckkappe 8 besteht aus einer Deckfläche 10 sowie drei Seitenwänden, von denen hier nur eine Längs-Seitenwand 14 und die Schmal-Seitenwand 15 zu sehen ist. In Richtung zur mittleren Abdeckkappe 3, von der hier ein Teil der Deckfläche 4 sowie eine Schmal-Seitenwand 21 zu sehen ist, weist die seitliche Abdeckkappe 8 keine Seitenwand auf.Figure 3 shows a longitudinal section through the inventive Housing in the area of the right cover cap 8 for clarity here on a representation of the integrated electrical connections that have nothing to do with the idea of the invention have to do without. The cover cap 8 consists of a top surface 10 and three Side walls, of which only one longitudinal side wall 14 and the narrow side wall 15 can be seen. Towards the middle cap 3, from the here part of the top surface 4 and a narrow side wall 21 can be seen, points to the side Cover cap 8 no side wall.

Die Verriegelung der seitlichen Abdeckkappe 8 besteht aus jeweils einer senkrechten Rippe 22 innen an den beiden Längs-Seitenwänden 14, die in eine Nut 23 an rechteckigen Haltelaschen 24 in der Verlängerung der beiden Längs-Seitenwände 5 der mittleren Abdeckkappe 3 eingreift. Außerdem ist an der Deckfläche 10 eine mittlere Haltelasche 25 mit einer Nut 26 angesetzt, in die eine Rippe 27 außen in der Mitte der Schmal-Seitenwand 21 der mittleren Abdeckkappe 3 eingreift.The locking of the side cover cap 8 consists of a vertical rib 22 in each case inside on the two longitudinal side walls 14, which in a groove 23 on rectangular retaining tabs 24 in the Extension of the two longitudinal side walls 5 of the middle cap 3 engages. It is also on the top surface 10 with a middle retaining tab 25 a groove 26 is set into which a rib 27 outside in the middle of the narrow side wall 21 of the middle Cap 3 engages.

Zum Lösen der seitlichen Abdeckkappe 8 sind an den gegeneinanderstoßenden Enden der Deckflächen 4 bzw. 10 in der Mitte Einbuchtungen 19, 20 vorgenommen, die es ermöglichen, mit einer Schraubenzieherklinge die mittlere Haltelasche 25 von der Rippe 27 wegzudrücken. Die Abdeckkappe 8 kann dann nach oben abgezogen werden. Durch eine Erweiterung 28 der Nut 23 am oberen Ende der Haltelaschen 24 in Richtung der seitlichen Abdeckkappe 8 wird der Abziehvorgang erleichtert.To release the side cover 8 are on the abutting ends of the top surfaces 4 or 10 made indentations 19, 20 in the middle, which make it possible with a screwdriver blade press the middle retaining tab 25 away from the rib 27. The cap 8 can then go up subtracted from. By an extension 28 of the groove 23 at the upper end of the retaining tabs 24 in the direction the side cover 8 is the peeling process facilitated.

Die beiden Längs-Seitenwände 14 der seitlichen Abdeckkappe 8 sind zusätzlich an ihrer Innenwand mit einer überstehenden Haltelasche 29 ausgestattet. Die Haltelasche 29 besitzt an ihrer Außenseite eine Rippe 30, die bei aufgesetzter Abdeckkappe 8 in eine Nut 31 im Rand 2 des Gehäuseunterteils einschnappt. Dadurch wird ein besserer Seitenhalt der Abdeckkappe erreicht.The two longitudinal side walls 14 of the side Cover cap 8 are also on its inner wall equipped with a protruding retaining tab 29. The holding tab 29 has on its outside a rib 30 which, when the cover cap is in place 8 in a groove 31 in the edge 2 of the lower housing part snaps in. This will give better lateral support reached the cap.

Claims (4)

  1. Housing for an electric lamp ballast having the following features:
    the housing has an essentially cuboidal shape with a rectangular base face and is assembled from a bottom part and a top part,
    the bottom part of the housing comprises a base plate (1) and a circumferential edge (2),
    the top part of the housing is assembled from three separate blanking caps (3, 7, 8), it being the case that
    the middle blanking cap (3) comprises a covering surface (4) and four side walls (5, 6) and surrounds the ballast, and
    two blanking caps (7, 8) arranged to the side of the middle blanking cap (3) respectively comprise a covering surface (9, 10) and three side walls (11, 12, 13; 14, 15, 16) and surround the electric terminals,
    characterized in that the lateral blanking caps (7, 8) are held in each case by a locking device which is assembled from the following parts:
    two lateral retaining lugs (24) which project beyond the ends of the two longitudinal side walls (5, 6) of the middle blanking cap (3) and have on the outside a vertically extending groove (23) in which a rib (22), likewise extending vertically, engages in the inside on the longitudinal side walls (11, 13; 14, 16) of the lateral blanking caps (7, 8), and
    a middle retaining lug (25) which is attached to the covering surface (10) of the lateral blanking caps (8) and faces the narrow side wall (21) of the middle blanking cap, having a horizontally extending groove (26) in which a horizontally extending rib (27) engages on the outside on the narrow side wall (21) of the middle blanking cap (3).
  2. Housing according to Claim 1, characterized in that the covering surfaces (4, 9, 10) of the middle blanking cap (3) and of the lateral blanking caps (7, 8) in each case have mutually abutting indentations (17, 18; 19, 20) in the middle at their neighbouring ends.
  3. Housing according to Claim 1, characterized in that the vertically extending groove (23) of the retaining lugs (24) is widened at its upper end in the direction of the lateral blanking caps (8).
  4. Housing according to Claim 1, characterized in that in the inside on their two longitudinal side walls (14) the lateral blanking caps (8) additionally each have a projecting retaining lug (29) with a rib (30), the rib engaging in a groove (31) in the longitudinal-side edge (2) of the bottom part.
EP94105615A 1993-04-20 1994-04-12 Housing for a lamp ballast Expired - Lifetime EP0621742B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9305978U 1993-04-20
DE9305978U DE9305978U1 (en) 1993-04-20 1993-04-20

Publications (3)

Publication Number Publication Date
EP0621742A2 EP0621742A2 (en) 1994-10-26
EP0621742A3 EP0621742A3 (en) 1995-04-05
EP0621742B1 true EP0621742B1 (en) 1998-08-12

Family

ID=6892278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94105615A Expired - Lifetime EP0621742B1 (en) 1993-04-20 1994-04-12 Housing for a lamp ballast

Country Status (3)

Country Link
EP (1) EP0621742B1 (en)
AT (1) ATE169793T1 (en)
DE (2) DE9305978U1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9412099U1 (en) * 1994-07-28 1995-11-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Operating device for electric lamps
DE19512130A1 (en) * 1995-03-31 1996-10-02 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Operating device for an electric lamp
CH700927B1 (en) * 2006-06-06 2010-11-15 Regent Beleuchtungskoerper Ag Assembling system for assembling partially or fully recessed ceiling lamp in cast-in-place concrete ceiling, has housing arranged in flush-mounting box to accommodate ballast that is foldable between opened and closed conditions by housing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451693A (en) * 1982-03-22 1984-05-29 Vest Gary W Combined ballast container and wall plug for portable electrical equipment
US4771910A (en) * 1987-10-13 1988-09-20 United Technologies Automotive, Inc. Top and housing with peripheral, resilient interface
DE3901285A1 (en) * 1989-01-18 1990-07-26 Halloform Gmbh & Co Kg Transformer housing
DE9011125U1 (en) * 1990-07-27 1990-10-04 Holzer, Walter, Dr.H.C., 7758 Meersburg, De

Also Published As

Publication number Publication date
ATE169793T1 (en) 1998-08-15
DE59406634D1 (en) 1998-09-17
EP0621742A3 (en) 1995-04-05
EP0621742A2 (en) 1994-10-26
DE9305978U1 (en) 1993-06-17

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