EP2933567B1 - Four de cuisson ménager - Google Patents

Four de cuisson ménager Download PDF

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Publication number
EP2933567B1
EP2933567B1 EP15162367.5A EP15162367A EP2933567B1 EP 2933567 B1 EP2933567 B1 EP 2933567B1 EP 15162367 A EP15162367 A EP 15162367A EP 2933567 B1 EP2933567 B1 EP 2933567B1
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EP
European Patent Office
Prior art keywords
front frame
door
passage
device body
appliance according
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.)
Active
Application number
EP15162367.5A
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German (de)
English (en)
Other versions
EP2933567A3 (fr
EP2933567A2 (fr
Inventor
Fabio Gambardella
Bruno Mezzopera
Matteo Scoponi
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.)
Whirlpool EMEA SpA
Original Assignee
Whirlpool EMEA SpA
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Publication date
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Publication of EP2933567A2 publication Critical patent/EP2933567A2/fr
Publication of EP2933567A3 publication Critical patent/EP2933567A3/fr
Application granted granted Critical
Publication of EP2933567B1 publication Critical patent/EP2933567B1/fr
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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
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/022—Latches

Definitions

  • the present invention relates to household cooking appliances and has been developed with particular reference to door-lock devices for such appliances.
  • Door-lock devices are typically used on cooking appliances that integrate an oven, in particular appliances that provide for a program or a step of pyrolytic self-cleaning, i.e., at high temperature.
  • the door-lock devices employed on the above cooking appliances usually comprise a main body, associated to which is a movable locking member and a corresponding actuation system.
  • the body of the device is usually fixed to the fixed structure of the electrical household appliance, with the locking member provided for co-operating with a retention element of the door.
  • the body of the door-lock device is usually mounted and secured to an air-conveying channel that extends over the upper wall of the muffle that defines the cooking chamber, this channel extending in general between a fan and a front frame of the load-bearing structure of the appliance.
  • the aforesaid channel which is usually made of sheet metal, is typically provided to enable cooling of the door of the oven, or at least of its upper area, and/or to obtain expulsion of the cooking fumes from the muffle.
  • the door-lock device is fixed on the channel in a substantially central position so that its locking member is located at a passage of the front frame in which the retention element associated to the door can be received.
  • the locking element shaped like a hook, partially projects through the aforesaid passage to engage a corresponding seat made in the structure of the door, which provides the retention element.
  • the door-locking system hence presupposes co-operation of members associated to different parts of the structure of the appliance, of which at least one is movable.
  • the locking member and the corresponding retention element must co-operate precisely, i.e., in conformance with the design specifications. This need hence imposes a particular precision in the relative arrangement of the components of the locking system on the respective parts of the appliance, as well as of these parts with respect to one another (the door with respect to the load-bearing structure).
  • the body of the door-lock device must in fact be mounted on the channel, and the latter must be mounted on the muffle, which is in turn mounted on part of the load-bearing structure of the oven, with also the front frame of the structure that must be mounted in front of the muffle.
  • the door will then have to be mounted with extreme precision with respect to the front frame to enable exact co-operation of the parts of the locking system. This procedure hence calls for extreme precision in the operations of assembly of the cooking appliance, which result in a lengthening of the production times and, in ultimate analysis, an increase in the corresponding costs.
  • door-lock devices have been proposed distinguished by particular arrangements aimed at enabling recovery of possible assembly tolerances.
  • Document WO2009/116094 discloses a kitchen oven with a door provided with a locking and releasing mechanism, e.g. a push-pull, a push-push or a touch-latch, located on the door and on the body of the oven.
  • a locking and releasing mechanism e.g. a push-pull, a push-push or a touch-latch
  • Document EP1901006 discloses an oven with a device for locking the door, in the form of a part that can be inserted into an opening in the oven door surround and that can be clamped by a clamp arrangement.
  • Document DE7737890 discloses a locking device for a baking and roasting oven with means for pyrolytic self-cleaning.
  • the object of the present invention is to provide a household cooking appliance equipped with a door-lock device that is simple and fast to assemble and is intrinsically precise, i.e. operation of which is substantially immune from tolerances of assembly of the parts of the appliance with which the device cooperates for its operation.
  • references to "an embodiment” or “one embodiment” in the framework of the present description is intended to indicate that a particular configuration, structure, or characteristic described in relation to the embodiment is comprised in at least one embodiment.
  • the particular configurations, structures, or characteristics may be combined in any adequate way in one or more embodiments.
  • the appliance forming the subject of the invention comprises all the other elements in themselves known for normal operation of an ordinary electrical household cooking appliance, such as an oven or a kitchen range with built-in oven.
  • FIG. 1 designated as a whole by 1 is a household cooking appliance according to one embodiment of the invention, which in the example represented is a cooking oven.
  • the oven 1 has a stationary load-bearing structure 2, associated to which is a front door 3, for access to a cooking chamber defined by a muffle mounted within the structure itself, designated as a whole by 2.
  • the door 3, provided with a handle 3a, comprises one or more panels 3b, in particular made of glass or the like, and a corresponding supporting structure.
  • the oven 1 has a control panel 4, which is located on the upper edge of the door 3 and is provided with control and/or display elements.
  • the panel 4 includes two rotary knobs 5 and a display 6.
  • the front of the oven 1 includes a front frame 7, designated as a whole by 7 in Figure 2 , belonging to the load-bearing structure.
  • the frame 7 is substantially quadrangular and has two uprights 7a, a lower cross member 7b, and an upper cross member 7c, which delimit a central opening (not indicated).
  • the central opening is designed to be located, in the condition of assembly of the oven 1, substantially at the front opening of a muffle set within the structure, which defines the cooking chamber of the oven 1.
  • the muffle like other functional components of the oven, is not represented in the figures in so far as it is not necessary for an understanding of the invention.
  • the frame 7 made for example of a single piece of sheet metal, has its upper cross member 7c shaped for defining at least part of the control panel 4.
  • the area of the cross member 7c designed to provide the panel 4 has for this purpose two recesses 8 for fixing, on the inner side of the frame 7, of suitable selectors or potentiometers, to which the knobs 5 of Figure 1 are associated, as well as an opening 9 in a position intermediate with respect to the two recesses 8, for assembly of the display 6.
  • edge portions of the frame 7 in an area corresponding to the panel 4 can be bent backwards to form a sort of box-like structure.
  • the upper cross member 7c of the frame 7 has, underneath the area designed to provide the panel 3, a series of slits 10: in the condition of assembly of the oven, behind these slits (i.e., inside the structure 2 of the oven) there extends a channel of the type indicated previously, on top of the muffle, for a flow of air for cooling the door of the oven and/or for expulsion of fumes from the cooking chamber.
  • FIG. 3 Represented in Figure 3 is a door-lock device according to the invention, with which the oven 1 of Figure 1 is equipped.
  • the device designated as a whole by 11, has a device body 12, designed to be fixed to the stationary structure of the oven 1.
  • the device body 12 may be conveniently shaped in a number of parts made of plastic material assembled together, amongst which a base body 12a and a closing lid 12b.
  • Displaceably mounted on the base body 12a is a locking member.
  • this member hereinafter defined for simplicity as "hook” and designated as a whole by 13, is substantially hook-shaped and is mounted on the body 12a so as to turn according to a substantially horizontal axis designated by X.
  • the body 12 of the device 11 has a generally elongated configuration and extends longitudinally between a front and a back, there being provided at the front an opening through which part of the hook 13 extends so as to project at the front.
  • the hook 13 is designed to co-operate with a retention element provided in the structure of the door 3, which is preferably articulated to the front frame 7 illustrated in Figure 2 : it may on the other hand be noted that, in possible variant embodiments, the door 3 can be hinged to an element of the fixed structure of the oven underlying the frame 7.
  • the device 11 has an actuation system, comprising actuator means that can be controlled by a control system of the oven 1 to enable passage of the hook 13 between an inoperative position and an operative position, where the hook is, respectively, disengaged from and engaged to the aforesaid retention element of the door 3.
  • the actuation system of the hook 13 may be of any conception known in the sector.
  • the actuator means of the system comprise a thermoelectric actuator designated by 14, but in other possible embodiments, the actuator could be an actuator of an electromagnetic type, or else a bimetal or shape-memory element.
  • the actuator 14 is designed to move a transmission system that actuates the hook 13 between its inoperative and operative positions, also this transmission system possibly being of a type in itself known.
  • a possible embodiment thereof is represented schematically in Figure 9 .
  • the actuator 14 is able to bring about linear movement in opposite directions of an actuation element 15, which has a rack or toothing, engaged in which is an arc-shaped toothing provided at a proximal end of the hook 13.
  • operation of the actuator 14 causes recession of the element 15 against the action of elastic means (i.e., a movement from right to left as viewed in Figure 9 ), thereby determining a clockwise angular movement of the hook 13 and hence passage of the device 11 into the operative condition of locking of the door 3.
  • De-activation of the actuator 14 brings about a reverse movement of the element 15, also under the action of the corresponding elastic means, and hence a counterclockwise angular movement of the hook 13, and thus passage of the device 11 into the inoperative condition of release of the door 3.
  • the body 12 of the door-lock device 11 is provided for being fixed to the stationary structure 2 at a passage of the front frame 7, in order to extend longitudinally in a direction generally transverse to the frame itself.
  • door-lock devices according to the known art are usually mounted on a channel that extends over the muffle, in a generally central position.
  • this known type of positioning of the door lock also creates complications in formation of the aforesaid channel and/or perturbations in the flow at outlet from the channel.
  • the door-lock device is mounted in the area comprised between the control panel of the oven and the underlying opening for access to the cooking chamber (i.e., with reference to Figure 2 , in an area corresponding to the one in which the slits 10 are provided) so that the channel must frequently be configured in such a way that its outlet section will include two branches in parallel, between which the door-lock device can be positioned.
  • the body 12 of the door-lock device 11 is instead fixed to the frame 7 at its front part, so as to be supported substantially in cantilever fashion by the frame itself towards the inside of the structure 2.
  • This characteristic enables considerable benefits to be obtained in terms of precision of production. It will be appreciated in fact that, since the door-lock device is mounted directly on the front frame 7 and supported by this, the possible errors of positioning due to the assembly tolerances are reduced as compared to the known art, especially in the embodiments where the door 3 is articulated to the frame 7 itself.
  • the passage where the hook 13 is operative is defined in an upper lateral area of the frame 7, at which the body 12 of the device 11 is also fixed.
  • Such a passage is designated by 20 in Figure 2 and the aforesaid area is preferably an area of connection or transition between one of the upright parts 7a of the frame 7 and the upper cross member 7c.
  • the frame 7 has two passages 20, each defined in a respective upper lateral area of the frame.
  • the slits 10 extend in the area of the cross member 7c comprised between the two passages 20. Provision of two passages 20 in substantially diametrically opposite positions enables positioning of the door-lock device 11 indifferently on the right-hand side or on the left-hand side of the frame 7. Assembly using any one of the passages 20 is convenient when the door 3 is hinged only in its lower part so that it can turn about a substantially horizontal axis. Instead, in the case of cooking appliances the front door of which is articulated so as to turn about a vertical axis, the device 11 can be mounted exploiting the more convenient passage 20.
  • the door-lock device 11 will be mounted at the left-hand passage 20 in Figure 2 .
  • the door-lock device 11 may be mounted exploiting the passage 20 on the right-hand side.
  • the lateral positioning of the device 11 simplifies provision of the possible channel for the forced flow of air and/or fumes, which no longer needs to envisage a double outlet section, as mentioned above in relation to the known art. Furthermore, since positioning of the device 11 is in a corner area of the front frame 7, it is particularly convenient, given the absence in this area of internal functional elements of the oven.
  • the passage 20, or each passage 20 extends at least in part within a recess of the frame 7 that projects towards the inside of the structure 2.
  • Two of the aforesaid recesses are designated by 21 in Figure 2 , and one of them is visible in greater detail in Figures 4 and 5 .
  • the presence of the recesses 21 has the function of providing a resting surface for the front of the door-lock device 11, as well as housing the heads of corresponding fixing members, without these projecting significantly with respect to the front side of the frame 7.
  • the passage 20 extends in a corresponding first generally vertical portion of the frame 7 - here represented by the bottom of the corresponding recess 21 - as well as in a second portion, designated by 7d in Figures 4 , 5 and 7-9 , which is transverse to the aforesaid first portion and is determined by the presence of a shaping of the frame 7 underneath the control panel 4, here in an area of transition between the panel 4 and the part of the frame 7 provided with the slits 10.
  • the front of the body 12 of the device 11 has a front plate portion, designated as a whole by 30, the front surface of which is designed to rest against a corresponding surface of the rear side of the front frame 7, here defined by the bottom of the recess 16.
  • the plate portion 30 has a pair of through holes for the respective fixing members 24 so that they can be fixed to the frame 7.
  • mounted in positions corresponding to these through holes are small c-shaped metal brackets, designated by 31, which are also provided with through holes coinciding with those of the portion 30, for fixing via the members 24.
  • At least one reinforcement wall designated by 12c which strengthens the body 12 and guarantees proper support thereof in cantilever fashion.
  • the front of the body of the device 11 has a through opening (partially visible in Figure 3 ), which extends at least in an area corresponding to the plate portion 30 and through which the hook 13 extends. From Figure 3 it may moreover be noted how the plate portion 30 presents a front projection 30a, which in use is designed to traverse the respective passage 20.
  • the front of the body 12 of the door-lock device moreover has an upper portion 32, which extends forwards starting from the top of the plate portion 30 and is designed to overlie a corresponding portion of the front frame 7, here represented by the transverse surface designated by 7d in Figures 4 , 5 and 7-9 .
  • the upper portion 32 of the front of the body 12 is axially hollow and provided with a lower through opening.
  • the upper portion 32 comprises two generally parallel walls and a front wall that define between them a cavity 32a open underneath, where the hook 13 can penetrate at least in part when it is in the respective inoperative position, i.e., raised with respect to the condition appearing in Figure 3 .
  • the aforesaid upper portion 32 has a flange formation 32b, designed to bear upon the transverse portion 7d of the frame.
  • part of the passage 20 extends also at the transverse portion of the frame 7. This part of the passage 20 is at the cavity 32a of the upper portion 32, precisely for enabling the hook 13 to penetrate into this cavity.
  • the upper portion 32 of the body 12 of the door-lock device has also a part 32c that projects underneath from its flange formation 32c and is designed to be inserted into a corresponding part of the passage 20 (as is clearly visible, for example, in Figure 8 ).
  • the projecting portions 30a and 32c have as a whole a profile corresponding to that of the passage 20: their insertion into said passage thus guarantees a high precision of relative positioning between the front of the device 11 and the corresponding area of the front frame 7 on which the device is to be secured.
  • the retention element with which the hook 13 is designed to co-operate is located in an upper region of a lateral upright of the structure of the door 3.
  • the structure of the door 3 includes two lateral uprights, represented schematically in Figure 1 , where they are designated by 40, for example formed in one or more parts made of plastic or metal material.
  • An upper portion of one of the uprights 40 is visible in Figure 6 .
  • the upright 40 has a longitudinally extended part 41, coupled to the upper end of which is a terminal element 42, defined in the upper surface of which is a passage or seat 43 that provides the retention element designed to receive the front end of the hook 13.
  • the terminal element 42 In the condition of assembly, the terminal element 42 is located precisely in the upper area of the door 3, in such a way that the seat 43 is directly accessible from above.
  • the assembled condition is clearly visible in Figure 9 , in which there may be noted the upright 40 with its parts 41 and 42, as well as the seat 43, and two glass panels 3b, one internal and the other external.
  • the function of the uprights 40 is precisely to guarantee proper relative positioning between the panels 3b, which are fixed to the uprights according to techniques in themselves known.
  • cross members in the framework of the door 3 is not strictly indispensable.
  • the seat, or each seat 43 may be provided in such a cross member, in an area corresponding to the respective passage 20.
  • the door-lock device 11 is equipped with a sensor system for detecting the condition of opening/closing of the door 3, preferentially comprising a movable actuation member, belonging or connected to an electric switch, not visible in the figures.
  • a sensor system for detecting the condition of opening/closing of the door 3 preferentially comprising a movable actuation member, belonging or connected to an electric switch, not visible in the figures.
  • the aforesaid actuation member, designated by 50 the front end of which projects at the front from the plate portion 30, and precisely from the respective projection 30a underneath the hook 13, and hence through the passage 20.
  • the member 50 is elastically urged, for example via a spring, in a respective advanced position, where the corresponding electric switch is in an open condition.
  • This advanced position visible for example in Figures 3 and 8 , is assumed by the member 50 when the door 3 is open, or else only partially closed. Instead, when the door is completely closed, its structure - for example the upright 40 in an area corresponding to the device 11 - determines displacement of the member 50 in a retracted position thereof, visible in Figure 9 , thereby causing switching of the aforesaid switch into the closed condition.
  • the sensor system comprising the switch and the corresponding member 50 may have, for example, the function of enabling or disabling certain functions of the oven 1, such as supply of the device 11 for purposes of passage from its inoperative position to its operative position and/or execution of programs of the oven that presuppose locking of the door in the closed position, such as for example a pyrolytic-cleaning cycle.
  • the mounted condition of the device is visible in different views in Figures 7, 8 , and 9 , from which there may clearly be noted the body 12 of the device 11 that is supported substantially in cantilever fashion by the frame and extends longitudinally towards the inside of the structure 2 (in Figure 7 just rear side or inside of the frame 7 is visible).
  • the front of the device 11, in particular the plate portion 30, is substantially set up against the bottom of the recess 21, whilst the flange formation 32b of the upper portion 32 faces the transverse part 7d of the frame, possibly in contact therewith.
  • the projecting parts 30a and 32c of the front of the device 1 are inserted into the passage 20, with the body 12 as a whole fixed to the frame 7 via the screws 24 or other fixing members.
  • the visible part of the head of the screw 24 projects minimally with respect to the recess 16 that houses it.
  • the front of the appliance is prevalently constituted by a frame 7 made of a single piece, but the functions of the latter can be obtained also via a plurality of structural components configured as distinct elements assembled and/or fixed together, such as for example cross members and uprights.

Claims (12)

  1. Appareil de cuisson ménager ayant une structure porteuse (2) à laquelle est associée une porte avant (3) d'une chambre de cuisson, et un dispositif de verrouillage de porte (11) qui comprend au moins :
    - un corps de dispositif (12), qui est fixé à la structure porteuse (2) ;
    - un organe de verrouillage (13), monté de manière déplaçable dans une région avant du corps de dispositif (12), l'organe de verrouillage (13) étant conçu pour coopérer avec un élément de retenue (43) d'une structure de la porte (3) qui est déplaçable par rapport à la structure porteuse (2) ;
    - un système d'actionnement (14, 15) ayant des moyens d'actionnement (14) qui peuvent être commandés pour provoquer le passage de l'organe de verrouillage (13) entre une position de non-fonctionnement, dans laquelle l'organe de verrouillage (13) n'est pas en prise avec l'élément de retenue (43), et une position de fonctionnement, dans laquelle l'organe de verrouillage (13) est en prise avec l'élément de retenue (43),
    dans lequel le corps de dispositif (12) est fixé à la structure porteuse (2) au niveau d'un passage (20) d'un cadre avant (7) et s'étend longitudinalement dans une direction globalement transversale audit cadre avant (7),
    dans lequel le corps de dispositif (12) est fixé au niveau d'un avant de celui-ci (30, 32) au cadre avant (7) de sorte à être supporté sensiblement de manière en porte-à-faux par le cadre lui-même vers l'intérieur de la structure porteuse (2),
    caractérisé en ce que l'avant (30, 32) du corps de dispositif (12) a une partie de plaque (30) qui s'étend globalement verticalement, avec une surface avant conçue pour reposer contre une première partie correspondante (16) d'un côté arrière du cadre avant (7), la partie de plaque (30) ayant des trous traversants pour des organes respectifs (24) pour se fixer au cadre avant (7), dans lequel l'avant (30, 32) du corps de dispositif (12) a une partie supérieure (32) qui s'étend vers l'avant par rapport à la partie de plaque (30), avec une surface inférieure conçue pour faire face à une seconde partie correspondante (7d) du côté arrière du cadre avant (7).
  2. Appareil selon la revendication 1, dans lequel ledit passage (20) du cadre avant (7) est défini dans une zone latérale supérieure du cadre avant (7), au niveau de laquelle le corps de dispositif (12) est fixé, en particulier dans une zone de liaison ou de transition entre une section verticale (7a) et une section transversale (7c) du cadre avant (7).
  3. Appareil selon la revendication 2, dans lequel l'élément de retenue (43) est situé dans une région supérieure (42) d'un montant latéral (40) de la structure (3a, 3b, 40) de la porte (3) ou bien dans une région d'extrémité longitudinale d'un organe de croisement supérieur de la structure de la porte (3).
  4. Appareil selon la revendication 3, dans lequel l'élément de retenue (43) comprend un siège défini dans une paroi supérieure du montant latéral (40) ou bien de l'organe de croisement supérieur.
  5. Appareil selon la revendication 1, dans lequel l'avant (30, 32) du corps de dispositif (12) a une ouverture traversante qui s'étend au moins sur la partie de plaque (30), à travers laquelle l'organe de verrouillage (13) s'étend.
  6. Appareil selon la revendication 1, dans lequel la partie de plaque (30) a une saillie de positionnement avant (30a) conçue pour être insérée dans le passage (20) du cadre avant (7).
  7. Appareil selon la revendication 1, dans lequel le passage (20) du cadre avant (7) s'étend au niveau desdites première partie (16) et seconde partie (7d) du côté arrière du cadre avant (7).
  8. Appareil selon la revendication 7, dans lequel la partie supérieure (32) de l'avant (30, 32) du corps de dispositif (12) a une cavité (32a) au niveau d'une partie respective du passage (20) du cadre avant (7), dans laquelle l'organe de verrouillage (13) peut être reçu au moins partiellement lorsqu'il est dans une position de non-fonctionnement.
  9. Appareil selon la revendication 1, dans lequel la partie supérieure (32) de l'avant (30, 32) du corps de dispositif (12) a une section inférieure (32c) pour insertion dans le passage (20) du cadre avant (7) au niveau de ladite seconde partie (7d) du côté arrière du cadre avant (7).
  10. Appareil selon l'une quelconque des revendications précédentes, dans lequel le passage (20) du cadre avant (7) s'étend au moins en partie au sein d'un évidement (16) du cadre avant (7) qui fait saillie vers l'intérieur de la structure porteuse (2).
  11. Appareil selon l'une quelconque des revendications précédentes, dans lequel, faisant saillie depuis l'avant (30, 32) du corps de dispositif (12), il y a un organe déplaçable (50) appartenant à un système de capteur pour détecter une position de la porte (3).
  12. Appareil selon l'une quelconque des revendications précédentes, dans lequel le cadre avant (7) a deux desdits passages (20), chacun défini dans une zone latérale supérieure respective du cadre lui-même.
EP15162367.5A 2014-04-08 2015-04-02 Four de cuisson ménager Active EP2933567B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO20140295 2014-04-08

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EP2933567A2 EP2933567A2 (fr) 2015-10-21
EP2933567A3 EP2933567A3 (fr) 2015-11-04
EP2933567B1 true EP2933567B1 (fr) 2019-08-28

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EP2930437B1 (fr) * 2014-04-08 2017-03-29 Whirlpool EMEA S.p.A Un four domestique avec une porte
DE102016122015B3 (de) * 2016-11-16 2018-03-15 Miele & Cie. Kg Türverschluss für ein Gargerät

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US6079756A (en) * 1998-01-28 2000-06-27 Whirlpool Corporation Oven door latch
US7156428B2 (en) * 2004-07-02 2007-01-02 France/Scott Fetzer Company Single switch springless oven door latch assembly
ITTO20040636A1 (it) 2004-09-22 2004-12-22 Eltek Spa Dispositivo di blocco-porta per un apparato elettrodomestico
DE102004061231B3 (de) * 2004-12-20 2006-04-20 Ellenberger & Poensgen Gmbh Türverriegelung für einen Herd
ITTO20050177A1 (it) 2005-03-17 2006-09-18 Eltek Spa Dispositivo di blocco-porta per un apparato per un apparato elettrodomestico, particolarmente un forno
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EP2933567A2 (fr) 2015-10-21

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