EP0754920A1 - Vorrichtung zum Öffnen oder Schliessen einer Tür für einen Raum und Backofen mit einer solchen Vorrichtung - Google Patents

Vorrichtung zum Öffnen oder Schliessen einer Tür für einen Raum und Backofen mit einer solchen Vorrichtung Download PDF

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Publication number
EP0754920A1
EP0754920A1 EP96401608A EP96401608A EP0754920A1 EP 0754920 A1 EP0754920 A1 EP 0754920A1 EP 96401608 A EP96401608 A EP 96401608A EP 96401608 A EP96401608 A EP 96401608A EP 0754920 A1 EP0754920 A1 EP 0754920A1
Authority
EP
European Patent Office
Prior art keywords
door
enclosure
arm
articulated
opening
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
EP96401608A
Other languages
English (en)
French (fr)
Other versions
EP0754920B1 (de
Inventor
Frédéric Simon
Alain Meslif
Dominique Walter
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.)
Engie SA
Original Assignee
Gaz de France SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gaz de France SA filed Critical Gaz de France SA
Publication of EP0754920A1 publication Critical patent/EP0754920A1/de
Application granted granted Critical
Publication of EP0754920B1 publication Critical patent/EP0754920B1/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
    • F24C15/023—Mounting of doors, e.g. hinges, counterbalancing

Definitions

  • the present invention relates to a device for opening and closing an access door to any enclosure.
  • the door in the open position, the door forms a substantially horizontal plane constituting a surface allowing the removal of the dishes from the oven and also facilitating the cleaning of the internal face of the door since it is well cleared.
  • the object of the present invention is to remedy the above drawbacks in particular by proposing a door opening and closing device which does not require any particular clearance in front of the oven to open and close the door, while retaining the possibility of '' convenient access to the inside of the door for cleaning.
  • the invention relates to a device for opening and closing an access door to an enclosure, such as for example a cooking oven, characterized by means for opening and closing the door according to two modes, namely either by tilting the door relative to the enclosure or by translation of the same door in a plane substantially parallel to the plane of the access opening of the enclosure.
  • the aforementioned means consist of a frame on which the door is pivotally mounted and which is itself articulated on the enclosure to allow the translation of said door.
  • the frame consists of two vertical uprights in the lower part of which the door is pivotally mounted and which are each associated with arms to form a hinged parallelogram on the opposite sides of the enclosure.
  • Each articulated parallelogram consists of two arms, namely a first straight arm mounted articulated by one end on the upper part of the vertical uprights and by its other end on one side of the enclosure, and a second orthogonally bent arm which is mounted articulated by one end on the middle part of the vertical uprights and the other end of which is either wedged on the output shaft of a geared motor group, or mounted articulated on one side of the enclosure, like the first arm.
  • the door will be opened or closed automatically, while, in the second case, the opening and closing will be controlled manually.
  • the device according to this invention is further characterized by a spring mounted between the point of articulation of the first arm on the side of the enclosure, and the second arm.
  • the second arm is orthogonally bent at about two thirds of its length, which advantageously will prevent it from abutting on such or such element of the oven or of the cabinet in which the oven is embedded.
  • bolts or the like urged by a spring and mounted in the upper and lateral part of the door to allow it to be locked, on tilting, on the vertical uprights of the chassis.
  • Each bolt is capable of cooperating with a keeper mounted articulated on the vertical uprights of the chassis in order to provide security for locking when the door is tilted when the latter operates in translation mode.
  • each bolt is provided with a groove capable of cooperating with an orifice formed in the keeper which is urged permanently by a spring bearing against the aforementioned first arm.
  • this other end of the second arm is associated with a cam on which rolls a pressure roller to cancel the action of the spring connecting the first arm to the second arm, when the door is open in translation mode.
  • Figure 1 is a top view, top wall removed, of a cooking oven equipped with a door opening and closing device according to the invention.
  • Figure 2 is a schematic and partially exploded perspective view of the means according to the invention allowing the door to operate in both tilting and translation modes.
  • Figure 3 is an elevational side view of the front part of the oven, shown in the closed position.
  • Figure 4 is a view similar to the previous one but showing the door in the partially open position by tilting.
  • Figures 5, 6, 7 and 8 are schematic and side views successively illustrating different positions of the door when it is opened in translation mode.
  • Figure 9 illustrates in partial view from above the locking means for tilting the door, the left part of the figure illustrating the door in the locked position, and the right part, in the unlocked position.
  • FIG. 10 is a view similar to FIG. 9, but illustrating the door seen from the interior of the furnace, that is to say along the arrow X in FIG. 1.
  • Figure 11 is a partial side view of the door, like Figure 3, but illustrates, in an enlarged manner, the safety system of the door tilting lock when the latter operates in translation mode, the door being shown here in the closed position.
  • Figure 12 is a view identical to Figure 11, that is to say showing in an enlarged manner and from the side, the upper part of the door, the latter being here shown at the start of opening in vertical translation mode.
  • Figure 13 is a partial schematic side view of the articulation of the two arms of a parallelogram articulated on the side of the enclosure, the lower arm being here provided with a means capable of canceling the action of the spring between the two arms, so as to allow the door to operate by translation with manual control.
  • FIG 1 we see an oven 1 whose enclosure 2 is schematically shown and has a bottom wall 3, an upper wall not shown in Figure 1 but identified by S on the Figures 5 to 8, two side walls 4 and a rear wall 5.
  • the enclosure 2 is surrounded by walls forming a sort of envelope and defining the sides 6 of the enclosure 2.
  • the walls of the enclosure, with the sides 6, define an opening 7 for access to the enclosure 2, this opening being closable by a door 8.
  • the door 8 can be opened and closed in two modes, namely by tilting the door 8 relative to the enclosure 2 or by translating this door 8 along a plane substantially parallel to the plane of the opening 7, using the means which will be described below.
  • the door 8 is mounted on a frame 9 essentially comprising two vertical uprights 10 each having a U shape in cross section and connected to arms so as to form two articulated parallelograms on the sides 6 of the oven 1.
  • the door 8 is mounted articulated in the lower part on the vertical uprights 10, so as to be able to tilt or pivot around the axis XX ′, according to arrow F.
  • Each articulated parallelogram consists of a first rectilinear arm 11, one end 12 of which is articulated on the upper part of the vertical uprights 10, and the other end of which is mounted articulated at 13 on the sides 6 of the enclosure 2, while second arm 14 is articulated by one of its ends 15 on the middle part of the vertical uprights 10, while the other end 16 of the arm 14 can be either connected to the output shaft of a geared motor group 47 (see figures 5 to 8), in which case the door 8 will be actuated automatically as described below, or articulated on the sides 6 of the enclosure 2, in which case the door 8 will be actuated manually.
  • the axes of articulation of the ends 12 and 15 of the first arm 11 and of the second arm 14 on the vertical uprights 10 are positioned vertically one relative to the other, as well as for the axes of articulation of the ends 13 and 16 belonging respectively to the arms 11 and 14.
  • the lengths between the axes 12 and 15 and the lengths between the axes 13 and 16 are equal, so that the four axes 12, 15, 16, 13 form an articulated parallelogram and deformable from the axes 13 and 16 which are fixed on the device.
  • the door 8 swing over the axis XX ′, as explained above, but it can be opened or closed in a vertical translation and substantially parallel to the plane of the access opening 7 to the furnace 1, since, during the opening and closing maneuver of the door 8, the axes 12 and 15 will describe arcs of a circle while maintaining said door 8 vertically, as will be explained in detail below.
  • a spring which, according to the embodiment shown, is mounted between the hinge pin 13 of the first arm 11 on the side 6 of the enclosure 2, and the second arm 14 in a point identified at 18 in the figures, and this so as to keep the door 8 in the equilibrium position.
  • the second arm 14, as can be seen at 19 in the figures, is bent orthogonally, the elbow in question preferably being situated at about two thirds of the length of the arm 14.
  • the bent part 19 of the second arm 14 has several reasons for being, namely in particular the size of the geared motor group 47 on which the arm 14 obviously must not abut, the location of the drawer (not shown) generally provided for in bottom of the stove and on which the arm 14 should not either abut, or also the passage slots (not shown) of the arms 11, 14 at the level of the hearth of the oven and beyond which said arms should not go .
  • FIG. 5 which shows the door 8 in the closed position
  • the door 8 performs a first descent phase, moving away from the bearing face of the enclosure 2, that is to say by deviating somewhat from the opening 7 of said enclosure, as can be clearly seen in FIG. 6.
  • geared motor 47 driving the axis 16 can be controlled from a pulse given to a control keyboard (not shown), two switches marked at 20 in Figures 5 and 8 being provided to control the end positions of door 8 closed and open.
  • the geared motor group 47 could be omitted, in which case the end 16 of the arm 14 can be articulated on the side 6 of the enclosure 2, just as is the end 13 of the straight arm 11 , so that the door 8, in this case there can operate manually and by substantially vertical translation, to open or close the enclosure.
  • the effect of the springs 17 for balancing the door 8 will be canceled, so that the door will remain in the open position, as illustrated in FIG. 8.
  • the cam 20 making an arc of a circle with the arm 14, the pressure roller 22 will fall into the other notch 21 of the cam 20, so that the door 8 will be kept in the closed position.
  • the door 8 can be opened by tilting around the axis XX 'on the vertical uprights 10 of the chassis 9, in order to perform a cleaning operation on the interior of this door or when you simply want to use this opening mode.
  • a system for locking and unlocking the door 8 on the vertical uprights 10 is provided on each side of the upper part of said door, as will now be described with particular reference to FIGS. 3, 4 and 9, 10.
  • the system for locking the tilting of the door 8 is constituted by two lateral bolts 23 each urged by a spring 24 and mounted in the upper and lateral part of the door 8.
  • Each bolt 23 is constantly biased by a spring 24 so as to engage in orifices 25 formed in the aforementioned vertical uprights 10, so that the door 8 remains locked on these uprights.
  • the door can then be released from its vertical position and folded down to its horizontal position by pivoting about the axis XX ′, as can be understood with reference to FIG. 4.
  • a security system preventing the door from unlocking and therefore from tipping over during the opening of said door according to the mode vertical translation.
  • a keeper 28 mounted articulated at 29 on the vertical uprights 10 of the chassis 9, said keeper being constantly urged in the support position against the arms 11, and this thanks to a spring 30 surrounding the articulation 29.
  • the keeper 28 is provided with an orifice 31 capable of cooperating with a groove 32 provided on each lug 23, and which can be clearly seen on the right side of FIGS. 9 and 10.
  • the operation of this security system is as follows .
  • the keeper 28 When the door is closed, as can be seen in FIG. 11, the keeper 28 is supported on the swinging arm 11 by the springs 30. Consequently, the orifice 31 of the keeper 28 is located in the axis of the bolt 23 the through, so that the release of the bolt 23 by the linkage 26 is authorized. Consequently, the door 8 can operate by tilting around the axis XX '(see FIG. 4).
  • a device has therefore been produced according to the invention for opening and closing an enclosure such as a cooking oven using a door operating both by tilting and by vertical translation using means. simple and reliable and, moreover, comprising all the security required for locking and unlocking.
  • a door can advantageously be opened or closed automatically or manually.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Ovens (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Harvester Elements (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Drying Of Solid Materials (AREA)
  • Baking, Grill, Roasting (AREA)
EP96401608A 1995-07-21 1996-07-18 Vorrichtung zum Öffnen oder Schliessen einer Tür für einen Raum und Backofen mit einer solchen Vorrichtung Expired - Lifetime EP0754920B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9508898 1995-07-21
FR9508898A FR2736996B1 (fr) 1995-07-21 1995-07-21 Dispositif d'ouverture et de fermeture d'une porte d'acces a une enceinte, et four de cuisson equipe de ce dispositif

Publications (2)

Publication Number Publication Date
EP0754920A1 true EP0754920A1 (de) 1997-01-22
EP0754920B1 EP0754920B1 (de) 2000-03-01

Family

ID=9481262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96401608A Expired - Lifetime EP0754920B1 (de) 1995-07-21 1996-07-18 Vorrichtung zum Öffnen oder Schliessen einer Tür für einen Raum und Backofen mit einer solchen Vorrichtung

Country Status (7)

Country Link
EP (1) EP0754920B1 (de)
AT (1) ATE190126T1 (de)
DE (1) DE69606808T2 (de)
DK (1) DK0754920T3 (de)
ES (1) ES2146367T3 (de)
FR (1) FR2736996B1 (de)
GR (1) GR3033438T3 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350863A (en) * 1999-06-03 2000-12-13 Belling Appliances Ltd Cooker oven : power-operated doors
EP3543613A1 (de) * 2018-03-19 2019-09-25 Electrolux Appliances Aktiebolag Kochvorrichtung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112220340B (zh) * 2019-06-30 2021-10-26 宁波方太厨具有限公司 一种带门体的家用电器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3157176A (en) * 1960-03-31 1964-11-17 Gen Motors Corp Cooking range
EP0218513A1 (de) * 1985-09-26 1987-04-15 CHEMINEES RENE BRISACHsociété anonyme Vertikal geführte und seitlich schwenkbare Feuerschiebetür mit automatischem Verschluss

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3157176A (en) * 1960-03-31 1964-11-17 Gen Motors Corp Cooking range
EP0218513A1 (de) * 1985-09-26 1987-04-15 CHEMINEES RENE BRISACHsociété anonyme Vertikal geführte und seitlich schwenkbare Feuerschiebetür mit automatischem Verschluss

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350863A (en) * 1999-06-03 2000-12-13 Belling Appliances Ltd Cooker oven : power-operated doors
GB2350863B (en) * 1999-06-03 2001-05-02 Belling Appliances Ltd Cooker with powered doors
EP3543613A1 (de) * 2018-03-19 2019-09-25 Electrolux Appliances Aktiebolag Kochvorrichtung
WO2019179694A1 (en) * 2018-03-19 2019-09-26 Electrolux Group Patents - Ab Electrolux Cooking appliance

Also Published As

Publication number Publication date
FR2736996B1 (fr) 1997-10-17
DK0754920T3 (da) 2000-08-14
ATE190126T1 (de) 2000-03-15
ES2146367T3 (es) 2000-08-01
DE69606808D1 (de) 2000-04-06
FR2736996A1 (fr) 1997-01-24
DE69606808T2 (de) 2000-10-12
GR3033438T3 (en) 2000-09-29
EP0754920B1 (de) 2000-03-01

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