EP1500865B1 - Lamp socket, in particular for a baking oven - Google Patents

Lamp socket, in particular for a baking oven Download PDF

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Publication number
EP1500865B1
EP1500865B1 EP04466017A EP04466017A EP1500865B1 EP 1500865 B1 EP1500865 B1 EP 1500865B1 EP 04466017 A EP04466017 A EP 04466017A EP 04466017 A EP04466017 A EP 04466017A EP 1500865 B1 EP1500865 B1 EP 1500865B1
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EP
European Patent Office
Prior art keywords
socket
flange
functional
lamp
edge
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
EP04466017A
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German (de)
French (fr)
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EP1500865A2 (en
EP1500865A3 (en
Inventor
Marian Cernak
Jan Palme
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Desko AS
Original Assignee
Desko AS
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Filing date
Publication date
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Publication of EP1500865A2 publication Critical patent/EP1500865A2/en
Publication of EP1500865A3 publication Critical patent/EP1500865A3/en
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Publication of EP1500865B1 publication Critical patent/EP1500865B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/008—Illumination for oven cavities
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/30—Lighting for domestic or personal use
    • F21W2131/307—Lighting for domestic or personal use for ovens

Definitions

  • the invention relates to a socket of an electric lamp, which is intended in particular for electric ovens and cookers.
  • the socket is made of an electrically insulating material, such as ceramic, and one end is provided with a flange which engages over a separate body of the socket, while the other end with a pair of electrical contacts for supplying the electric current to one electric bulb, which is located in the interior of the socket is provided.
  • the raised flange of the socket bears against the wall of, for example, an oven cabinet, and the body of the socket passes through an installation hole located in the wall of this cabinet.
  • At least one spring clip is mounted removable, which has at both ends of slots, which are directed to the inner edge of the flange.
  • a locking rib is formed on the body of the socket, which is in contact with the flange of the socket.
  • the locking rib makes the rotation of the socket in the installation hole of the wall of the oven cabinet impossible.
  • the state of the art is due to the DE 4031167 formed, the content of which is a lamp suitable for installation in kitchen appliances, such. As cooking ranges, is suitable.
  • This lamp consists of a one-piece housing that fits into a hole in the jacket the wall of the kitchen appliance cabinet is to install.
  • This one-piece case is made of ceramic and has a molded flange edge for attachment to the wall of the cabinet.
  • On the outer surface of the one-piece housing at least one retaining spring is attached, whose peripheral edge is directed to the integrally formed flange edge of the one-piece housing. Between the molded flange of the one-piece housing and the peripheral edge of the retaining spring creates a terminal space for the wall of the cabinet of the kitchen appliance.
  • the novelty of the solution according to this German patent is that immediately before the molded flange of the one-piece housing in its outer cylindrical surface is a rotation groove.
  • the width of this groove corresponds to the terminal space which arises between the peripheral edge of the retaining spring and the integrally formed flange edge of the one-piece housing.
  • the width of the rotational groove corresponds to the maximum thickness of the wall plate of the kitchen appliance cabinet.
  • the whole lamp slides under the action of the retaining spring transversely in the mounting hole until it comes to pushing the edge of the cabinet into the rotation groove. In this way, a very firm posture of the lamp is secured in the mounting hole in the wall of the kitchen appliance cabinet.
  • the solution described according to the cited German patent forms in the wall of the one-piece ceramic housing of the lamp a rotation groove which weakens the wall density of the one-piece ceramic housing, whereby in the already thin wall a notch stress is formed, which adversely affects the strength of the ceramic housing.
  • the groove width is disproportionately thin compared to its length, the groove running continuously on the circumference of the ceramic housing.
  • the groove width defined by the size of the terminal space, which is not precisely delimited or determined, especially because the peripheral edge of the retaining spring, which is directed to the molded flange of the ceramic housing, obliquely and not parallel with the molded flange of the ceramic housing.
  • the size of the terminal space is therefore not constant and in the direction of the central part of the ceramic housing, the dimensions of the terminal space change. This brings with it difficulties in assessing the scope of protection of the said patent and also in interpreting the scope of the main patent claim.
  • the width of the rotation groove corresponds to the maximum sheet density of the wall of the kitchen appliance cabinet.
  • the size of the terminal space also corresponds to the maximum sheet density of the wall of the kitchen appliance cabinet. The parameters described in this way do not ensure easy installation of the lamp in the kitchen appliance.
  • the invention seeks to find an alternative way of attaching the socket of the lamp in the installation hole in the wall of a device cabinet, such as a kitchen appliance cabinet or oven cabinet of the cooker.
  • This alternative possibility is to avoid the local wall weakening of the socket of the lamp.
  • the invention is defined as follows: on the outer surface of the body of the socket of the lamp at least one functional projection between the locking rib and the spring clip is mounted, wherein the functional projection is located in front of the inner flange edge and its distance from the inner flange edge at least the sheet thickness of the device cabinet with the Installation hole corresponds, in which the lamp is installed.
  • the functional projection runs parallel to the axial direction of the own socket body, i. H. parallel to the axis of rotation of the socket of the lamp.
  • the height of the function protrusion decreases towards the inner flange edge, this fact facilitates the installation of the lamp in the wall of the oven cabinet.
  • the maximum height of the functional projection in front of the inner flange edge is given by the simple installation of the lamp in the installation hole in the wall of the oven cabinet.
  • the minimum height of the functional projection at the location in front of the inner flange edge is given by the promoted function of the projection, because in the space between the functional projection and the inner flange edge, the metal wall of the oven cabinet is without danger, and thereby the lamp in the installation hole, which in the wall of the device cabinet is attached.
  • the integrally formed on the outer surface of the own socket body locking rib extends beyond thejansvor- jump.
  • This locking rib prevents rotation of the lamp in the installation hole in the wall of the device cabinet.
  • Such a design of the slots on the spring clip ensures clearance compensation of the oven cabinet between the inner flange edge and the spring clip.
  • the spring clamp further presses the socket of the lamp against the wall of the oven cabinet, into the space between the functional projection and the inner flange edge.
  • the functional projection in front of the inner flange edge is in the distance of 0.4 to 2.5 mm in practice.
  • the width of the functional projection is usually between 1.5 and 2.5 mm.
  • Such an arrangement of the functional projections means in a case that both the functional projection to the left of the locking rib and the functional projection to the right of the locking rib can be in contact with the locking rib, that is, there is no gap between the locking rib and the functional protrusions.
  • such an arrangement of the functional protrusions means that there is a gap between the locking rib and the functional protrusions left or right of the locking rib.
  • An advantage of the invention is the following fact: the wall thickness of the socket of the lamp remains the same over the entire circumference and is not disturbed by a circumferential groove.
  • the body is therefore homogeneous, it has no local wall weakening with a notch stress.
  • the functional projections are located on the outer surface of the body of the socket and have small dimensions. This leads in the case of using a ceramic material for the production of the version by compression molding to a higher solidification of the ceramic material in the region of the functional protrusions. Further advantages is the possibility of increasing the internal dimensions of the ceramic socket for an electric bulb and the better handling of this bulb, because the wall of the ceramic socket is not weakened by a circumferential groove.
  • the thickness of the wall plate of the electric oven is smaller than the distance between the inner flange edge of the socket body and the functional projection or the functional projections formed on the cylindrical surface of the socket body are. Furthermore, the maximum width of the slots in the edges of the spring clip is greater than the thickness of the wall plate of the oven cabinet.
  • FIG. 1 of the socket 2 is a view in the direction of a first arrow 15 on the socket 2 of FIG. 1.
  • the lamp 1 of FIG. 4 is a view in the direction of a second arrow 16 on the lamp 1 of FIG. 3 represents.
  • a flange 3 is integrally formed on a separate body 4, which projects beyond the body 4 of the socket 2.
  • a pair of electrical connectors 10 for the supply of an electric bulb 11 is mounted, which is located in the direction of the axis of rotation 17 of the lamp 1 in the cavity of the socket 2.
  • a locking rib 9 is further attached, which ends at the inner edge 8 of the flange 3.
  • the locking rib 9 fits into the cutout of an installation hole 13, which is located in the unillustrated wall of an electric oven in which the lamp 1 is installed.
  • the locking rib 9 prevents rotation of the lamp 1 in the installation hole 13.
  • the locking rib 9 is mounted on the body 4 of the socket 2 and the spring clip 5 removable, which is provided at both ends with oblique slots 6 (Figure No. 4), which run both on the inner edge 8 of the flange 3, as well taper towards the inner edge 8 of the flange 3.
  • the width of the oblique slots 6, which are located on the ends of the spring clip 5 is selected in the middle part of the oblique slots 6 so that it corresponds approximately to the thickness of the wall of the electric oven, not shown, in which the lamp 1 is installed.
  • the function projections 7 are mounted on the socket 2 in the axial direction, that is, parallel to the axis of rotation 17 of the lamp 1.
  • the first functional projection 7 to the left of the locking rib 9 and the first functional projection 7 to the right of the locking rib 9 are in contact with the locking rib 9.
  • the function projections 7 terminate in front of the inner edge 8 of the flange 3, and this distance from the inner edge 8 of the flange 3 corresponds minimally to the thickness of the metal wall, not shown, of the cabinet of the electric oven; in this sheet metal wall is the installation hole 13.
  • the height of the function projections 7 at the location in front of the inner edge 8 of the flange 3 is chosen such that a simple mounting of the lamp 1 in the installation hole 13 is made possible and in the space between the function projections 7 and inner edge 8 of the flange 3, the wall of the cabinet of the electric oven, not shown, can be safely pushed.
  • the distribution of the functional projections 7 on the outer surface of the body 4 of the socket 2 is clearly visible in FIG.
  • the locking rib 9 projects beyond the functional projections 7, the height of which decreases slightly in the direction of the inner edge 8 of the flange 3.
  • the functional projections 7 are oriented axially parallel on the outer surface of the body 4 of the holder 2 (FIG. 6).
  • the distribution of the functional projections 7 on the outer surface of the body 4 of the frame 2 may differ from the figure, for example, only two functional projections 7 may be used, which are not in contact with the locking rib 9. However, the use of four functional protrusions 7 can be considered as an optimal solution.
  • the version 2 with the electric bulb 11 is supplemented by a glass cover 12 to the lamp 1; the glass cover 12 is z. B. fastened by means of the bayonet lock in the cavity of the socket 2, whereby the lamp 1 of the electrical appliance is completed.
  • a metal shim 14 can be attached to facilitate the detachment of the glass cover 12 when the light bulb 11 is changed.
  • the wall of the cabinet is located in this position of the lamp 1 both in the space between the inner edge 8 of the flange 3 and the function projections 7 and in the space between the inner edge 8 of the flange 3 and the oblique slots 6 of the spring clip 5.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Connecting Device With Holders (AREA)
  • Cookers (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)

Abstract

The socket (2) is made of an electrically insulating material and is provided with a flange (3) at one end projecting beyond the body (4) of the socket, fitted with a removable spring clip which has slits at both ends extending in the direction of the inner edge (8) of the flange, in contact with a stop rib (9) of the socket. The outer surface of the socket body has at least one functional projection (7) between the stop rib and the spring clip, spaced from the inner edge of the flange by the thickness of the oven housing wall.

Description

ErfindungsgebietTHE iNVENTION field

Die Erfindung betrifft eine Fassung einer elektrischen Lampe, die insbesondere für elektrische Backöfen und Kochherde bestimmt ist. Die Fassung ist aus einem elektrisch isolierenden Material hergestellt, beispielsweise aus Keramik, und ein Ende ist mit einem Flansch, der über einen eigenen Körper der Fassung greift, versehen, während das andere Ende mit einem Paar von elektrischen Kontakten zur Zuleitung des elektrischen Stroms zu einer elektrischen Glühbirne, die sich im Innenraum der Fassung befindet, versehen ist. Der erhöhte Flansch der Fassung liegt an der Wand beispielsweise eines Backofenschranks an, und der Körper der Fassung geht durch ein sich in der Wand dieses Schranks befindendes Installationsloch.The invention relates to a socket of an electric lamp, which is intended in particular for electric ovens and cookers. The socket is made of an electrically insulating material, such as ceramic, and one end is provided with a flange which engages over a separate body of the socket, while the other end with a pair of electrical contacts for supplying the electric current to one electric bulb, which is located in the interior of the socket is provided. The raised flange of the socket bears against the wall of, for example, an oven cabinet, and the body of the socket passes through an installation hole located in the wall of this cabinet.

Auf dem Körper der Fassung ist weiter wenigstens eine Federklemme demontierbar angebracht, die an beiden Enden Schlitze aufweist, die zum inneren Rand des Flansches gerichtet sind. In die Schlitze der Federklemme passt der Rand der Wand des Backofenschranks in der Nähe des Installationslochs.On the body of the socket further at least one spring clip is mounted removable, which has at both ends of slots, which are directed to the inner edge of the flange. The edge of the wall of the oven cabinet near the installation hole fits into the slots of the spring clip.

In demjenigen Fall, in dem der eigene Körper der Fassung ein Kreisprofil aufweist, ist auf dem eigenen Körper der Fassung eine Arretierrippe angeformt, die in Kontakt mit dem Flansch der Fassung steht. Die Arretierrippe macht die Drehung der Fassung im Installationsloch der Wand des Backofenschranks unmöglich.In that case, in which the body of the socket has a circular profile, a locking rib is formed on the body of the socket, which is in contact with the flange of the socket. The locking rib makes the rotation of the socket in the installation hole of the wall of the oven cabinet impossible.

Stand der TechnikState of the art

Der Stand der Technik wird durch die DE 4031167 gebildet, deren Inhalt eine Lampe ist, die sich für den Einbau in Küchengeräten, z. B. Kochherden, eignet. Diese Lampe besteht aus einem einteiligen Gehäuse, das in ein Loch im Mantel der Wand des Küchengeräteschranks anzubringen ist. Dieses einteilige Gehäuse ist aus Keramik und hat einen angeformten Flanschrand für die Anbringung an der Wand des Schranks. Auf der Außenfläche des einteiligen Gehäuses ist wenigstens eine Haltefeder angebracht, deren Randkante zum angeformten Flanschrand des einteiligen Gehäuses gerichtet ist. Zwischen dem angeformten Flanschrand des einteiligen Gehäuses und der Randkante der Haltefeder entsteht ein Klemmraum für die Wand des Schranks des Küchengeräts.The state of the art is due to the DE 4031167 formed, the content of which is a lamp suitable for installation in kitchen appliances, such. As cooking ranges, is suitable. This lamp consists of a one-piece housing that fits into a hole in the jacket the wall of the kitchen appliance cabinet is to install. This one-piece case is made of ceramic and has a molded flange edge for attachment to the wall of the cabinet. On the outer surface of the one-piece housing, at least one retaining spring is attached, whose peripheral edge is directed to the integrally formed flange edge of the one-piece housing. Between the molded flange of the one-piece housing and the peripheral edge of the retaining spring creates a terminal space for the wall of the cabinet of the kitchen appliance.

Die Neuheit der Lösung gemäss dieser deutschen Patentschrift liegt darin, dass sich unmittelbar vor dem angeformten Flanschrand des einteiligen Gehäuses in seiner äußeren Zylinderfläche eine Rotationsnut befindet. Die Breite dieser Nut entspricht dem Klemmraum, der zwischen der Randkante der Haltefeder und dem angeformten Flanschrand des einteiligen Gehäuses entsteht. In der Beschreibung der Lösung gemäss dem genannten Patent wird angegeben, dass die Breite der Rotationsnut der maximalen Dicke des Wandblechs des Küchengeräteschranks entspricht. Mit Hilfe der Rotationsnut und der Haltefeder ist es möglich, eine zuverlässige Anbringung der Lampe im Loch der Wand des Küchengeräts zu sichern. Nach dem Einschieben des einteiligen keramischen Lampengehäuses in das Installationsloch in der Wand des Küchengeräteschranks bis zum angeformten Flanschrand schiebt sich die ganze Lampe unter der Wirkung der Haltfeder querachsig in das Montageloch, bis es zum Einschieben des Schrankrands in die Rotationsnut kommt. Auf diese Weise ist eine sehr feste Haltung der Lampe im Montageloch in der Wand des Küchengeräteschranks gesichert.The novelty of the solution according to this German patent is that immediately before the molded flange of the one-piece housing in its outer cylindrical surface is a rotation groove. The width of this groove corresponds to the terminal space which arises between the peripheral edge of the retaining spring and the integrally formed flange edge of the one-piece housing. In the description of the solution according to said patent it is stated that the width of the rotational groove corresponds to the maximum thickness of the wall plate of the kitchen appliance cabinet. With the aid of the rotational groove and the retaining spring, it is possible to secure a reliable attachment of the lamp in the hole of the wall of the kitchen appliance. After inserting the one-piece ceramic lamp housing in the installation hole in the wall of the kitchen appliance cabinet to the molded flange, the whole lamp slides under the action of the retaining spring transversely in the mounting hole until it comes to pushing the edge of the cabinet into the rotation groove. In this way, a very firm posture of the lamp is secured in the mounting hole in the wall of the kitchen appliance cabinet.

Die beschriebene Lösung gemäß der angeführten deutschen Patentschrift formt in der Wand des einteiligen keramischen Gehäuses der Lampe eine Rotationsnut, die die Wanddichte des einteiligen keramischen Gehäuses schwächt, wodurch in der schon jetzt dünnen Wand eine Kerbspannung entsteht, die die Festigkeit des keramischen Gehäuses negativ beeinflusst. Die Nutweite ist unverhältnismäßig dünn im Vergleich zu ihrer Länge, wobei die Nut kontinuierlich auf dem Umfang des keramischen Gehäuses verläuft. In dem genannten Patent wird die Nutbreite durch die Größe des Klemmraums definiert, der nicht präzis abgegrenzt bzw. bestimmt ist, vor allem weil die Randkante der Haltfeder, die zum angeformten Flanschrand des keramischen Gehäuses gerichtet ist, schief und nicht parallel mit dem angeformten Flanschrand des keramischen Gehäuses verläuft. Die Größe des Klemmraums ist also nicht gleichbleibend und in Richtung zum mittleren Teil des keramischen Gehäuses ändern sich die Abmessungen des Klemmraums. Das bringt Schwierig-keiten bei der Beurteilung des Schutzumfangs des genannten Patents und auch bei der Auslegung der Reichweite des Hauptpatentanspruchs mit sich. Gemäß der Darstellung der Lösung in der Beschreibung des genannten Patents entspricht die Breite der Rotationsnut der maximalen Blechdichte der Wand des Küchengeräteschranks. Laut der Formulierung des Kennzeichens des Patent-anspruchs entspricht dann die Größe des Klemmraums auch der maximalen Blechdichte der Wand des Küchengeräteschranks. Die in solcher Weise be-schriebenen Parameter sichern nicht einen einfachen Einbau der Lampe in das Küchengerät.The solution described according to the cited German patent forms in the wall of the one-piece ceramic housing of the lamp a rotation groove which weakens the wall density of the one-piece ceramic housing, whereby in the already thin wall a notch stress is formed, which adversely affects the strength of the ceramic housing. The groove width is disproportionately thin compared to its length, the groove running continuously on the circumference of the ceramic housing. In the cited patent, the groove width defined by the size of the terminal space, which is not precisely delimited or determined, especially because the peripheral edge of the retaining spring, which is directed to the molded flange of the ceramic housing, obliquely and not parallel with the molded flange of the ceramic housing. The size of the terminal space is therefore not constant and in the direction of the central part of the ceramic housing, the dimensions of the terminal space change. This brings with it difficulties in assessing the scope of protection of the said patent and also in interpreting the scope of the main patent claim. According to the illustration of the solution in the description of said patent, the width of the rotation groove corresponds to the maximum sheet density of the wall of the kitchen appliance cabinet. According to the wording of the patent claim, the size of the terminal space also corresponds to the maximum sheet density of the wall of the kitchen appliance cabinet. The parameters described in this way do not ensure easy installation of the lamp in the kitchen appliance.

Deswegen bemüht sich die Erfindung, eine alternative Möglichkeit der Anbringung der Fassung der Lampe in das Installationsloch in der Wand eines Geräteschranks, beispielsweise eines Küchengeräteschrankes oder eines Backofenschranks des Kochherdes, zu finden. Diese alternative Möglichkeit soll die lokale Wand-schwächung der Fassung der Lampe vermeiden.Therefore, the invention seeks to find an alternative way of attaching the socket of the lamp in the installation hole in the wall of a device cabinet, such as a kitchen appliance cabinet or oven cabinet of the cooker. This alternative possibility is to avoid the local wall weakening of the socket of the lamp.

Zusammenfassung der ErfindungSummary of the invention

Die Erfindung wird folgendermaßen definiert: auf der Außenfläche des eigenen Körpers der Fassung der Lampe ist mindestens ein Funktionsvorsprung zwischen der Arretierrippe und der Federklemme angebracht, wobei sich der Funktionsvorsprung vor dem inneren Flanschrand befindet und sein Abstand vom inneren Flanschrand mindestens der Blechdicke des Geräteschranks mit dem Installationsloch entspricht, in das die Lampe eingebaut wird. Dies stellt einen minimalen Grenzabstand des Funktionsvorsprungs vom inneren Flanschrand dar. Nach der Installation der Lampe in das Installationsloch in der Wand beispielsweise eines Backofenschranks befindet sich im Raum zwischen dem inneren Flanschrand und dem Funktionsvorsprung auf der Außenfläche des eigenen Fassungskörpers die Wand des Schranks des Elektrobackofens.The invention is defined as follows: on the outer surface of the body of the socket of the lamp at least one functional projection between the locking rib and the spring clip is mounted, wherein the functional projection is located in front of the inner flange edge and its distance from the inner flange edge at least the sheet thickness of the device cabinet with the Installation hole corresponds, in which the lamp is installed. This represents a minimum limit distance of the functional projection from the inner flange edge Installation of the lamp in the installation hole in the wall, for example, an oven cabinet located in the space between the inner flange and the functional projection on the outer surface of the own socket body, the wall of the cabinet of the electric oven.

Gemäß der Erfindung läuft der Funktionsvorsprung parallel zur axialen Richtung des eigenen Fassungskörpers, d. h. parallel mit der Rotationsachse der Fassung der Lampe. Die Höhe des Funktionsvorsprungs verringert sich in Richtung vom inneren Flanschrand, diese Tatsache erleichtert die Installation der Lampe in der Wand des Backofenschranks. Die maximale Höhe des Funktionsvorsprungs vor dem inneren Flanschrand ist durch die einfache Montage der Lampe in das Installationsloch in der Wand des Backofenschranks gegeben. Die minimale Höhe des Funktionsvorsprungs an der Stelle vor dem inneren Flanschrand ist durch die geförderte Funktion des Vorsprungs gegeben, weil sich im Raum zwischen dem Funktionsvorsprung und dem inneren Flanschrand die Blechwand des Backofenschranks ohne Gefahr befindet, und dadurch wird die Lampe im Installationsloch, das in der Wand des Geräteschranks vorhanden ist, befestigt.According to the invention, the functional projection runs parallel to the axial direction of the own socket body, i. H. parallel to the axis of rotation of the socket of the lamp. The height of the function protrusion decreases towards the inner flange edge, this fact facilitates the installation of the lamp in the wall of the oven cabinet. The maximum height of the functional projection in front of the inner flange edge is given by the simple installation of the lamp in the installation hole in the wall of the oven cabinet. The minimum height of the functional projection at the location in front of the inner flange edge is given by the promoted function of the projection, because in the space between the functional projection and the inner flange edge, the metal wall of the oven cabinet is without danger, and thereby the lamp in the installation hole, which in the wall of the device cabinet is attached.

Gemäß einem weiteren Merkmal der Erfindung reicht die auf der äußeren Oberfläche des eigenen Fassungskörpers angeformte Arretierrippe über den Funktionsvor-sprung hinaus. Diese Arretierrippe verhindert ein Drehen der Lampe im Installations-loch in der Wand des Geräteschranks. Günstig ist auch, dass sich die Schlitze, die sich in den Enden der Federklemme befinden, in Richtung von diesen beiden Enden der Klemmfeder zum inneren Flanschrand verengen. Eine derartige Gestaltung der Schlitze an der Federklemme sichert einen Spielausgleich des Ofenschranks zwischen dem inneren Flanschrand und der Federklemme. Die Federklemme presst weiter die Fassung der Lampe gegen die Wand des Ofenschranks, und zwar in den Raum zwischen den Funktionsvorsprung und den inneren Flanschrand.According to a further feature of the invention, the integrally formed on the outer surface of the own socket body locking rib extends beyond the Funktionsvor- jump. This locking rib prevents rotation of the lamp in the installation hole in the wall of the device cabinet. It is also beneficial that narrow the slots that are located in the ends of the spring clip in the direction of these two ends of the clamping spring to the inner flange edge. Such a design of the slots on the spring clip ensures clearance compensation of the oven cabinet between the inner flange edge and the spring clip. The spring clamp further presses the socket of the lamp against the wall of the oven cabinet, into the space between the functional projection and the inner flange edge.

In der Regel befindet sich in der Praxis der Funktionsvorsprung vor dem inneren Flanschrand im Abstand von 0,4 bis 2,5 mm. Die Breite des Funktionsvorsprungs beträgt meistens zwischen 1,5 und 2,5 mm.As a rule, the functional projection in front of the inner flange edge is in the distance of 0.4 to 2.5 mm in practice. The width of the functional projection is usually between 1.5 and 2.5 mm.

Gemäss einer anderen Ausbildung der Erfindung befindet sich mindestens ein Funktionsvorsprung links von der Arretierrippe und mindestens ein Funktionsvorsprung rechts von der Arretierrippe, wobei die Arretierrippe wieder die Funktionsvorsprünge überragt. Eine derartige Anordnung der Funktionsvorsprünge bedeutet in einem Falle, dass sowohl der Funktionsvorsprung links von der Arretierrippe als auch der Funktionsvorsprung rechts von der Arretierrippe in Kontakt mit der Arretierrippe stehen kann, das heißt, dass sich zwischen der Arretierrippe und den Funktionsvorsprüngen keine Lücke befindet. In einem anderen Falle bedeutet eine solche Anordnung der Funktionsvorsprünge, dass sich zwischen der Arretierrippe und den Funktionsvorsprüngen links oder rechts von der Arretierrippe eine Lücke befindet.According to another embodiment of the invention, there is at least one functional projection to the left of the locking rib and at least one functional projection to the right of the locking rib, wherein the locking rib again projects beyond the functional projections. Such an arrangement of the functional projections means in a case that both the functional projection to the left of the locking rib and the functional projection to the right of the locking rib can be in contact with the locking rib, that is, there is no gap between the locking rib and the functional protrusions. In another case, such an arrangement of the functional protrusions means that there is a gap between the locking rib and the functional protrusions left or right of the locking rib.

Einen Vorteil der Erfindung stellt folgende Tatsache dar: die Wanddicke der Fassung der Lampe bleibt über den ganzen Umfang gleich und ist nicht durch eine Umfangnut gestört. Der Körper ist also homogen, er hat keine lokale Wandschwächung mit einer Kerbspannung. Die Funktionsvorsprünge befinden sich auf der Außenfläche des eigenen Körpers der Fassung und weisen kleine Abmessungen auf. Dies führt im Fall der Nutzung eines keramischen Werkstoffs zur Herstellung der Fassung durch Formpressen zu einer höheren Verfestigung des keramischen Werkstoffs im Bereich der Funktionsvorsprünge. Weitere Vorteile stellt die Möglichkeit der Vergrößerung der inneren Abmessungen der keramischen Fassung für eine Elektrobirne und die bessere Handhabung dieser Birne dar, weil die Wand der keramischen Fassung nicht durch eine Umfangnut geschwächt ist. Bei der Konstruktion der Fassung der Lampe gemäß der Erfindung wird folgendes Prinzip eingehalten: die Dicke des Wandblechs des elektrischen Backofens ist kleiner als der Abstand zwischen dem inneren Flanschrand des Fassungskörpers und dem Funktionsvorsprung bzw. den Funktionsvorsprüngen, die auf der Zylinderfläche des Fassungskörpers angeformt sind. Weiter gilt, dass die maximale Breite der Schlitze in den Kanten der Federklemme größer als die Dicke des Wandblechs des Backofenschranks ist.An advantage of the invention is the following fact: the wall thickness of the socket of the lamp remains the same over the entire circumference and is not disturbed by a circumferential groove. The body is therefore homogeneous, it has no local wall weakening with a notch stress. The functional projections are located on the outer surface of the body of the socket and have small dimensions. This leads in the case of using a ceramic material for the production of the version by compression molding to a higher solidification of the ceramic material in the region of the functional protrusions. Further advantages is the possibility of increasing the internal dimensions of the ceramic socket for an electric bulb and the better handling of this bulb, because the wall of the ceramic socket is not weakened by a circumferential groove. In the construction of the socket of the lamp according to the invention, the following principle is observed: the thickness of the wall plate of the electric oven is smaller than the distance between the inner flange edge of the socket body and the functional projection or the functional projections formed on the cylindrical surface of the socket body are. Furthermore, the maximum width of the slots in the edges of the spring clip is greater than the thickness of the wall plate of the oven cabinet.

Kurzfassung der ZeichnungenAbstract of the drawings

Die Erfindung ist schematisch und in beispielhaften Ausführungen auf den Zeichnungen dargestellt. Es zeigen:

Fig. 1:
eine Seitenansicht der Fassung einer Lampe,
Fig. 2:
eine Stirnansicht in Richtung eines ersten Pfeils auf die Fassung mit Elektrobirne der Fig. Nr. 1,
Fig. 3:
eine Seitenansicht der kompletten Lampe,
Fig. 4:
eine Seitenansicht der Lampe der Fig. 3 in Richtung eines zweiten Pfeils,
Fig. 5:
eine Draufsicht auf ein Installationsloch für die Lampe,
Fig. 6:
eine perspektivische Ansicht der Fassung der Lampe von der Seite der Funktionsvorsprünge.
The invention is illustrated schematically and by way of example on the drawings. Show it:
Fig. 1:
a side view of the socket of a lamp,
Fig. 2:
an end view in the direction of a first arrow on the socket with electric bulb of Fig. No. 1,
3:
a side view of the complete lamp,
4:
3 is a side view of the lamp of FIG. 3 in the direction of a second arrow,
Fig. 5:
a plan view of an installation hole for the lamp,
Fig. 6:
a perspective view of the socket of the lamp from the side of the functional protrusions.

Ausführungsbeispiele der ErfindungEmbodiments of the invention

In den Fig. 1 und 2 ist eine Ausführung einer Fassung 2 einer elektrischen Lampe 1 gezeigt, die nachfolgend in den Fig. 3 und 4 dargestellt ist. Die Fassung 2, die z. B. aus einem keramischen Werkstoff hergestellt ist, bildet den Hauptteil der Lampe 1. Die Fig. 2 der Fassung 2 ist eine Ansicht in Richtung eines ersten Pfeils 15 auf die Fassung 2 nach Fig. 1. Die Lampe 1 nach Fig. 4 stellt eine Ansicht in Richtung eines zweiten Pfeils 16 auf die Lampe 1 der Fig. 3 dar.In Figs. 1 and 2, an embodiment of a socket 2 of an electric lamp 1 is shown, which is shown in Figs. 3 and 4 below. The version 2, the z. B. is made of a ceramic material, forms the main part of the lamp 1. FIG. 2 of the socket 2 is a view in the direction of a first arrow 15 on the socket 2 of FIG. 1. The lamp 1 of FIG. 4 is a view in the direction of a second arrow 16 on the lamp 1 of FIG. 3 represents.

Im vorderen Teil der Fassung 2 ist auf einem eigenen Körper 4 ein Flansch 3 angeformt, der den Körper 4 der Fassung 2 überragt. Im hinteren Teil der Fassung 2 ist ein Paar elektrischer Steckverbinder 10 für die Speisung einer elektrischen Birne 11 angebracht, die sich in Richtung der Rotationsachse 17 der Lampe 1 im Hohlraum der Fassung 2 befindet.In the front part of the version 2, a flange 3 is integrally formed on a separate body 4, which projects beyond the body 4 of the socket 2. In the rear part of the socket 2, a pair of electrical connectors 10 for the supply of an electric bulb 11 is mounted, which is located in the direction of the axis of rotation 17 of the lamp 1 in the cavity of the socket 2.

Auf dem Körper 4 der Fassung 2 ist ferner eine Arretierrippe 9 angebracht, die am inneren Rand 8 des Flansches 3 endet. Die Arretierrippe 9 passt in den Ausschnitt eines Installationslochs 13, das sich in der nichtdargestellten Wand eines elektrischen Backofens befindet, in dem die Lampe 1 installiert wird. Die Arretierrippe 9 verhindert ein Drehen der Lampe 1 im Installationsloch 13.On the body 4 of the socket 2, a locking rib 9 is further attached, which ends at the inner edge 8 of the flange 3. The locking rib 9 fits into the cutout of an installation hole 13, which is located in the unillustrated wall of an electric oven in which the lamp 1 is installed. The locking rib 9 prevents rotation of the lamp 1 in the installation hole 13.

Gegenüber der Arretierrippe 9 ist auf dem Körper 4 der Fassung 2 auch die Federklemme 5 demontierbar angebracht, die an beiden Enden mit schrägen Schlitzen 6 versehen ist (Abbildung Nr. 4), die sowohl auf den inneren Rand 8 des Flansches 3 zulaufen, als auch sich in Richtung zu dem inneren Rand 8 des Flansches 3 verjüngen. Die Breite der schrägen Schlitze 6, die sich auf den Enden der Federklemme 5 befinden, ist im mittleren Teil der schrägen Schlitze 6 gewählt, damit sie ungefähr der Dicke der nicht dargestellten Wand des elektrischen Backofens entspricht, in die die Lampe 1 eingebaut wird.Opposite the locking rib 9 is mounted on the body 4 of the socket 2 and the spring clip 5 removable, which is provided at both ends with oblique slots 6 (Figure No. 4), which run both on the inner edge 8 of the flange 3, as well taper towards the inner edge 8 of the flange 3. The width of the oblique slots 6, which are located on the ends of the spring clip 5 is selected in the middle part of the oblique slots 6 so that it corresponds approximately to the thickness of the wall of the electric oven, not shown, in which the lamp 1 is installed.

Links von der Arretierrippe 9 befindet sich auf dem Körper 4 der Fassung 2 ein Paar von Funktionsvorsprüngen 7; ein Paar von Funktionsvorsprüngen 7 befindet sich auch rechts von der Arretierrippe 9. Die Funktionsvorsprünge 7 sind an der Fassung 2 in axialer Richtung angebracht, das heißt, parallel zur Rotationsachse 17 der Lampe 1. Der erste Funktionsvorsprung 7 links von der Arretierrippe 9 und auch der erste Funktionsvorsprung 7 rechts von der Arretierrippe 9 sind im Kontakt mit der Arretierrippe 9. Die Funktionsvorsprünge 7 enden vor dem inneren Rand 8 des Flansches 3, und dieser Abstand vom inneren Rand 8 des Flansches 3 entspricht minimal der Dicke der nicht dargestellten Blechwand des Schranks des elektrischen Backofens; in dieser Blechwand befindet sich das Installationsloch 13. Die Höhe der Funktionsvorsprünge 7 auf der Stelle vor dem inneren Rand 8 des Flansches 3 ist derart gewählt, dass eine einfache Montage der Lampe 1 im Installationsloch 13 ermöglicht wird und im Raum zwischen den Funktionsvorsprüngen 7 und dem inneren Rand 8 des Flansches 3 die nicht dargestellte Wand des Schrankes des elektrischen Backofens sicher aufgeschoben werden kann.Left of the locking rib 9 is located on the body 4 of the socket 2, a pair of functional projections 7; a pair of functional projections 7 is also located to the right of the locking rib 9. The function projections 7 are mounted on the socket 2 in the axial direction, that is, parallel to the axis of rotation 17 of the lamp 1. The first functional projection 7 to the left of the locking rib 9 and the first functional projection 7 to the right of the locking rib 9 are in contact with the locking rib 9. The function projections 7 terminate in front of the inner edge 8 of the flange 3, and this distance from the inner edge 8 of the flange 3 corresponds minimally to the thickness of the metal wall, not shown, of the cabinet of the electric oven; in this sheet metal wall is the installation hole 13. The height of the function projections 7 at the location in front of the inner edge 8 of the flange 3 is chosen such that a simple mounting of the lamp 1 in the installation hole 13 is made possible and in the space between the function projections 7 and inner edge 8 of the flange 3, the wall of the cabinet of the electric oven, not shown, can be safely pushed.

Die Verteilung der Funktionsvorsprünge 7 auf der äußeren Oberfläche des Körpers 4 der Fassung 2 ist aus Fig. 6 gut erkennbar. Die Arretierrippe 9 ragt über die Funktionsvorsprünge 7, deren Höhe in Richtung des inneren Rands 8 des Flansches 3 leicht abnimmt. Die Funktionsvorsprünge 7 sind auf der äußeren Oberfläche des Körpers 4 der Fassung 2 achsparallel orientiert (Fig. 6).The distribution of the functional projections 7 on the outer surface of the body 4 of the socket 2 is clearly visible in FIG. The locking rib 9 projects beyond the functional projections 7, the height of which decreases slightly in the direction of the inner edge 8 of the flange 3. The functional projections 7 are oriented axially parallel on the outer surface of the body 4 of the holder 2 (FIG. 6).

Die Verteilung der Funktionsvorsprünge 7 auf der äußeren Oberfläche des Körpers 4 der Fassung 2 kann sich von der Fig. unterscheiden, beispielsweise können nur zwei Funktionsvorsprünge 7 verwendet werden, die nicht in Kontakt mit der Arretierrippe 9 stehen. Die Verwendung von vier Funktionsvorsprüngen 7 kann jedoch als optimale Lösung betrachtet werden.The distribution of the functional projections 7 on the outer surface of the body 4 of the frame 2 may differ from the figure, for example, only two functional projections 7 may be used, which are not in contact with the locking rib 9. However, the use of four functional protrusions 7 can be considered as an optimal solution.

Die Fassung 2 mit der elektrischen Glühbirne 11 wird durch eine Glasabdeckung 12 zur Lampe 1 ergänzt; die Glasabdeckung 12 ist z. B. mit Hilfe des Bajonettverschlusses im Hohlraum der Fassung 2 befestigt, wodurch die Lampe 1 des Elektrogeräts komplettiert ist. Unter die Glasabdeckung 12 kann eine Metallunterlegplatte 14 angebracht werden, um das Lösen der Glasabdeckung 12 bei einem Wechsel der Glühbirne 11 zu erleichtern.The version 2 with the electric bulb 11 is supplemented by a glass cover 12 to the lamp 1; the glass cover 12 is z. B. fastened by means of the bayonet lock in the cavity of the socket 2, whereby the lamp 1 of the electrical appliance is completed. Under the glass cover 12, a metal shim 14 can be attached to facilitate the detachment of the glass cover 12 when the light bulb 11 is changed.

Die Montage der Lampe 1 in das Installationsloch 13, das sich in der nicht dargestellten Wand des Schranks des Elektrogeräts befindet, ist sehr leicht und schnell und erfolgt durch Drücken der Lampe 1 in das Installationsloch 13, bis der innere Rand 8 des Flansches 3 in Kontakt mit der nicht dargestellten Wand des Schranks des Elektrogeräts gerät. Die Wand des Schranks befindet sich in dieser Lage der Lampe 1 sowohl im Raum zwischen dem inneren Rand 8 des Flansches 3 und den Funktionsvorsprüngen 7 als auch im Raum zwischen dem inneren Rand 8 des Flansches 3 und den schrägen Schlitzen 6 der Federklemme 5. Mit der durch die Federklemme 5 verursachten Kraft wird die Fassung 2 der Lampe 1 an die nicht dargestellte Wand des Schranks des Elektrogeräts gedrückt und die Funktions-vorsprünge 7 einschließlich der schrägen Schlitze 6 in der Federklemme 5 sichern eine sichere Befestigung der Lampe 1 im Installationsloch 13.The assembly of the lamp 1 in the installation hole 13, which is located in the wall of the cabinet of the electrical appliance, not shown, is very light and fast and is done by pressing the lamp 1 in the installation hole 13 until the inner edge 8 of the flange 3 in contact with the wall of the not shown Cabinet of the electrical appliance. The wall of the cabinet is located in this position of the lamp 1 both in the space between the inner edge 8 of the flange 3 and the function projections 7 and in the space between the inner edge 8 of the flange 3 and the oblique slots 6 of the spring clip 5. Mit dem force caused by the spring clip 5, the socket 2 of the lamp 1 is pressed against the wall of the cabinet of the electrical appliance, not shown, and the function projections 7 including the oblique slots 6 in the spring clip 5 secure attachment of the lamp 1 in the installation hole thirteenth

BezugszeichenverzeichnisReference numeral Directory

  • Lampelamp
  • Fassungversion
  • Flanschflange
  • eigener Körperown body
  • Federklemmespring clip
  • Schlitzslot
  • Funktionsvorsprungfunction tab
  • Innenrandinner edge
  • Arretierrippelocking rib
  • elektrischer Steckverbinderelectrical connector
  • elektrische Glühbirneelectric light bulb
  • Glasabdeckungglass cover
  • Installationslochinstallation hole
  • Unterlegplatteshim
  • erster Pfeilfirst arrow
  • zweiter Pfeilsecond arrow
  • Rotationsachseaxis of rotation

Claims (9)

  1. A lamp socket, in particular for a backing oven, executed of electrically insulating material, whose one end is fitted with a flange (3) overlapping its own body (4) of the socket (2) at which is demountably fastened at least one flat elastic clip (5) showing in both borders slots (6) turned towards an edge (8) of the flange (3) being in contact with an arresting rib (9) arranged on the exterior surface of the body (4) of the socket (2), characterized in that on the exterior surface of the body (4) of the socket (2) is formed at least one functional projection (7) located between the arresting rib (9) and the flat elastic clip (5), wherein the functional projection (7) is located in front of the edge (8) of the flange (3) and its separation from the edge (8) of the flange (3) corresponds to at least the sheet metal thickness with a built in hole (13) of the lamp (1).
  2. A socket as claimed in Claim 1, characterized in that the height of the functional projection (7) is reduced in the direction of the edge (8) of the flange (3) and the functional projection (7) runs in the axial direction of the body (4) of the socket (2).
  3. A socket as claimed in Claim 1, characterized in that at least one functional projection (7) is located to the left of the arresting rib (9) and at least one functional projection (7) is located to the right of the arresting rib (9) standing over a pair of the functional projections (7).
  4. A socket as claimed in Claim 3, characterized in that both the functional projection (7) located of the left of the arresting rib (9), and also the functional projection (7) located to the right of the arresting rib (9), are in contact with the arresting rib (9).
  5. A socket as claimed in Claim 3, characterized in that both between the functional projection (7), located to the left of the arresting rib (9) and the arresting rib (9), and between the functional projection (7), located to the right of the arresting rib (9), and the arresting rib (9) a gap is formed.
  6. A socket as claimed in Claim 1, characterized in that the arresting rib (9) stands over the functional projection (7).
  7. A socket as claimed in Claim 1, characterized in that towards the edge (8) of the flange (3) the turned slots (6) at the flat elastic clip (5) narrow from the both borders of the flat elastic clip (5) in the direction of the edge (8) of the flange (3).
  8. A socket as claimed in Claim 1, characterized in that the functional projection (7) is located in front of the edge (8) of the flange (3) at a distance 0,4 to 2,5 mm.
  9. A socket as claimed in Claim 1, characterized in that the functional projection (7) shows the width in range 1,5 to 2,5 mm.
EP04466017A 2003-07-25 2004-07-16 Lamp socket, in particular for a baking oven Expired - Lifetime EP1500865B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ200314489U 2003-07-25
CZ200314489U CZ13634U1 (en) 2003-07-25 2003-07-25 Compact lighting fixture socket, in particular for electric ovens

Publications (3)

Publication Number Publication Date
EP1500865A2 EP1500865A2 (en) 2005-01-26
EP1500865A3 EP1500865A3 (en) 2005-11-02
EP1500865B1 true EP1500865B1 (en) 2007-10-17

Family

ID=28684627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04466017A Expired - Lifetime EP1500865B1 (en) 2003-07-25 2004-07-16 Lamp socket, in particular for a baking oven

Country Status (4)

Country Link
EP (1) EP1500865B1 (en)
AT (1) ATE376145T1 (en)
CZ (1) CZ13634U1 (en)
DE (1) DE502004005244D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR200806540A2 (en) * 2008-09-01 2010-01-21 Atalay Suav Bayonet locking lamp holder used in ovens

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217319A (en) * 1962-07-19 1965-11-09 Amp Inc Panel light
DE2351337A1 (en) * 1973-10-12 1975-04-17 Signal Lux S A S Di Gallone In Optical signal display for switchboard panels etc. - has lamp holder in cup-shaped support with apertures for lateral lamp lead wires
DE8507234U1 (en) * 1985-03-13 1985-05-02 Pistor + Boss GmbH, 5880 Lüdenscheid Oven light
DE8911756U1 (en) 1989-10-03 1989-11-23 Pistor + Boss GmbH, 5880 Lüdenscheid Electric lamp

Also Published As

Publication number Publication date
CZ13634U1 (en) 2003-09-01
EP1500865A2 (en) 2005-01-26
DE502004005244D1 (en) 2007-11-29
EP1500865A3 (en) 2005-11-02
ATE376145T1 (en) 2007-11-15

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