EP0617235A2 - Verriegelungsvorrichtung für eine Backofentür - Google Patents

Verriegelungsvorrichtung für eine Backofentür Download PDF

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Publication number
EP0617235A2
EP0617235A2 EP94400613A EP94400613A EP0617235A2 EP 0617235 A2 EP0617235 A2 EP 0617235A2 EP 94400613 A EP94400613 A EP 94400613A EP 94400613 A EP94400613 A EP 94400613A EP 0617235 A2 EP0617235 A2 EP 0617235A2
Authority
EP
European Patent Office
Prior art keywords
door
oven
hook
locking
actuator
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.)
Granted
Application number
EP94400613A
Other languages
English (en)
French (fr)
Other versions
EP0617235B1 (de
EP0617235A3 (de
Inventor
Michel Montassier
Georges Bourgeois
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.)
Brandt Industries SAS
Original Assignee
Compagnie Europeenne pour lEquipement Menager SA
Brandt Cooking SAC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9445240&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0617235(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Compagnie Europeenne pour lEquipement Menager SA, Brandt Cooking SAC filed Critical Compagnie Europeenne pour lEquipement Menager SA
Publication of EP0617235A2 publication Critical patent/EP0617235A2/de
Publication of EP0617235A3 publication Critical patent/EP0617235A3/de
Application granted granted Critical
Publication of EP0617235B1 publication Critical patent/EP0617235B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 a device for locking the door of an oven, more particularly of a self-cleaning oven such as ovens using pyrolysis cleaning.
  • Pyrolysis is a known operation for cleaning baking ovens, which consists of destroying by heat the fatty deposits or dirt which appear on the walls of the oven during cooking or reheating of food. Cleaning the ovens by pyrolysis requires an increase in the temperature of the oven enclosure to around 500 ° C.
  • the oven door is opened, the ambient air is brought into contact with the interior of the oven which happens to be at a temperature of about 500 ° C.
  • the fresh air admitted during the opening and trapped in the closed enclosure at such a temperature expands.
  • the standard currently in force requires that from a given temperature, of the order of 350 ° C, the oven door be locked. This locking must be maintained throughout the period when the temperature inside the enclosure is between 350 ° C and about 500 ° C.
  • the present invention therefore aims to remedy these drawbacks in particular, by proposing a new device for locking the door of an oven, more particularly but not exclusively a self-cleaning oven which is of simple structure and moreover allows cleaning. easy from all parts of the oven.
  • the subject of the present invention is a device for locking the door of an oven as defined in claims 1 to 9.
  • a locking device is positioned in the upper part of a self-cleaning oven, more particularly of a pyrolysis cleaning oven.
  • the reference 1 designates the cooking chamber or oven muffle.
  • This cooking chamber or muffle is surrounded by a metal frame 2 in the upper part of which is mounted, in accordance with the embodiment shown, a hooking device according to the present invention. More specifically, the hooking device is provided under the oven control panel.
  • the oven muffle is closed by a door referenced 3.
  • a keeper 4 forming a cavity for receiving, in the locked position, the hooking device.
  • the hooking device consists essentially of a support 5 which can be made, for example of plastic to limit its weight or any other known material.
  • a support 5 On this support 5 is mounted so as to be able to pivot about an axis 6, a hook 7 intended to come into the keeper.
  • the hook is extended on its opposite part by a locking finger 8 whose role will be explained below.
  • a slide 9 capable of moving linearly so as to abut against the finger 8 when the locking is released to tilt the hook 7 around the axis 6 and bring it into position in the keeper 4.
  • the slide has at its end on the locking finger side 8, a projecting part 10.
  • the slide has, in its rear part, a window 11 surrounded by projecting parts 12 in which is positioned the cam 13 of a motor 14 playing the role of actuator.
  • the motor 14 which can be of the type used for rotisserie is implemented by an impulse coming for example from a microprocessor and triggered when the temperature inside the oven reaches a set temperature, namely currently a temperature of the order of 350 ° C.
  • the cam linearly moves the slide so as to bring the hook into the keeper 4 as described above.
  • the hooking device is placed in the upper part of the frame 2 of the oven so that the hook is invisible from the outside, which improves the general aesthetics of the oven.
  • a microswitch 16 controls the stopping of the motor in the locked position.
  • a return spring 15 is provided between the slide 9, namely more particularly a projecting element 9 ′ of the slide and the motor 14, so as to retract the hook by taking up play.
  • a door closing detection device is associated with the locking device. Therefore, the locking device only works when the door is in the closed position.
  • the device described above has many advantages. It is of a relatively simple constitution and comprises few mechanical parts in action with respect to each other. On the other hand, the position of the hooking device and the keeper are such that they facilitate cleaning of the oven and improve its aesthetics, because they are invisible to the eye.
  • the actuator can be constituted by a heat-sensitive cylinder used in place of a motor provided with a cam.
  • oven in the present invention is also meant cookers, gas cookers, industrial ovens and all ovens requiring a locking of the door from a certain temperature.
  • the device according to the invention can also be fitted to an oven, the door of which has a lateral opening.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Ovens (AREA)
  • Vending Machines For Individual Products (AREA)
  • Lock And Its Accessories (AREA)
EP94400613A 1993-03-23 1994-03-22 Verriegelungsvorrichtung für eine Backofentür Expired - Lifetime EP0617235B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9303309A FR2703137B1 (fr) 1993-03-23 1993-03-23 Dispositif de verrouillage de la porte d'un four.
FR9303309 1993-03-23

Publications (3)

Publication Number Publication Date
EP0617235A2 true EP0617235A2 (de) 1994-09-28
EP0617235A3 EP0617235A3 (de) 1999-03-31
EP0617235B1 EP0617235B1 (de) 2002-01-30

Family

ID=9445240

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94400613A Expired - Lifetime EP0617235B1 (de) 1993-03-23 1994-03-22 Verriegelungsvorrichtung für eine Backofentür

Country Status (5)

Country Link
EP (1) EP0617235B1 (de)
AT (1) ATE212705T1 (de)
DE (1) DE69429738T2 (de)
ES (1) ES2169064T3 (de)
FR (1) FR2703137B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1564497A1 (de) * 2004-02-16 2005-08-17 Lg Electronics Inc. Öffnungs- und Schliesssystem für eine Ofentür
EP1860382A3 (de) * 2006-05-24 2012-08-08 Miele & Cie. KG Türverriegelung für ein Haushaltsgerät
EP1901006A3 (de) * 2006-09-08 2016-09-14 BSH Hausgeräte GmbH Backofen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3416515A (en) * 1965-10-22 1968-12-17 Essex Wire Corp Door latching actuator assembly
US3462584A (en) * 1967-08-09 1969-08-19 Kelvinator Inc Range oven door latching device
DE2618784A1 (de) * 1976-04-29 1977-11-17 Licentia Gmbh Verriegelungsvorrichtung fuer die bratofentuer von selbstreinigenden bratoefen
US4230350A (en) * 1979-04-05 1980-10-28 Magic Chef, Inc. Oven door latch
JPS57155038A (en) * 1981-03-20 1982-09-25 Matsushita Electric Ind Co Ltd Cooking heater
AU541443B2 (en) * 1982-07-16 1985-01-10 Tokyo Shibaura Denki Kabushiki Kaisha Lock
AU596039B2 (en) * 1988-05-20 1990-04-12 Kabushiki Kaisha Toshiba Cooker
US4927996A (en) * 1988-05-23 1990-05-22 Robertshaw Controls Company Cooking apparatus, door latching construction therefor and methods of making the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1564497A1 (de) * 2004-02-16 2005-08-17 Lg Electronics Inc. Öffnungs- und Schliesssystem für eine Ofentür
EP1860382A3 (de) * 2006-05-24 2012-08-08 Miele & Cie. KG Türverriegelung für ein Haushaltsgerät
EP1901006A3 (de) * 2006-09-08 2016-09-14 BSH Hausgeräte GmbH Backofen

Also Published As

Publication number Publication date
ATE212705T1 (de) 2002-02-15
DE69429738T2 (de) 2002-10-17
ES2169064T3 (es) 2002-07-01
FR2703137A1 (fr) 1994-09-30
FR2703137B1 (fr) 1995-04-28
EP0617235B1 (de) 2002-01-30
DE69429738D1 (de) 2002-03-14
EP0617235A3 (de) 1999-03-31

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