EP1688527B1 - Device and method for a rotating machine with automatic opening of the doors - Google Patents

Device and method for a rotating machine with automatic opening of the doors Download PDF

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Publication number
EP1688527B1
EP1688527B1 EP06101167A EP06101167A EP1688527B1 EP 1688527 B1 EP1688527 B1 EP 1688527B1 EP 06101167 A EP06101167 A EP 06101167A EP 06101167 A EP06101167 A EP 06101167A EP 1688527 B1 EP1688527 B1 EP 1688527B1
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EP
European Patent Office
Prior art keywords
rotating drum
opening
door
flap
drum
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
EP06101167A
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German (de)
French (fr)
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EP1688527A1 (en
Inventor
Christophe Balestriero
Hervé Pont
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FagorBrandt SAS
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FagorBrandt SAS
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Publication date
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Priority to PL06101167T priority Critical patent/PL1688527T3/en
Publication of EP1688527A1 publication Critical patent/EP1688527A1/en
Application granted granted Critical
Publication of EP1688527B1 publication Critical patent/EP1688527B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/10—Doors; Securing means therefor
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/302—Automatic drum positioning

Definitions

  • the present invention relates to a device for opening a drum door.
  • It also relates to a rotary drum door opening process, especially for washing machine and / or tumble drying.
  • the present invention generally relates to a washing machine and / or tumble dryer equipped with such a device for opening a drum door.
  • This washing machine and / or drying machine comprises a tank in which is housed the drum for containing the laundry. This tank must be tightly closed when using the machine and / or drying the laundry.
  • the present invention applies to a washing machine and / or drying the laundry, provided with a rotary drum with radial loading, through an opening in the drum shell.
  • the loading and removal of the laundry drum is performed at the perimeter of the drum, and generally from the top of the machine.
  • the latter having in the upper plane of its body a door allowing access to the drum.
  • this rotary drum is equipped with a double-leaf door, these leaves being articulated independently respectively at the two opposite edges of the opening.
  • each leaf is mounted by one of its sides in rotation about an axis integral with an edge of the opening.
  • the opening of these leaves is generally achieved through the implementation of resilient return means mounted at the axis of rotation, and the holding in the closed position of these wings is achieved by complementary closure means mounted respectively on the free edges of the leaves.
  • the movement of the leaves is generally independent and requires the use of two hands to bring the leaves in closed position.
  • a disadvantage of such a washing machine and / or drying the top loading laundry is that it is necessary to open at least two doors.
  • the user must indeed open the access door of the body and the door of the drum.
  • the opening of a second door of the tank of the machine is necessary before opening the drum door and after opening the door of the body described above.
  • This sequence for opening the washing machine and / or drying the laundry thus comprises three manipulations. These manipulations for the user are very restrictive.
  • the opening of the drum is often complicated and possibly even offensive, especially at the level of the fingers.
  • the opening of the drum door is dependent on the opening of the door of the body by the user.
  • the connection between the door handle of the bodywork and the drum door is complex and expensive. This mechanical connection requires linkages articulated between them to allow the transmission of movement from the bottom to the top of the handle of the bodywork door by rotations to allow the support of a finger on an unlocking means. This system does not allow automatic opening of the drum door.
  • the opening system of the drum door is located in the center of the door of the body and crosses the integrated product tray in the door of the body, which makes it visible and unattractive.
  • washing machine comprising a drum door and a body closure cover.
  • the rotation of the drum is carried out by a drive mechanism including a control device.
  • the controller is capable of rotating the drum by means of the drive mechanism at a predetermined position and holding the drum in that position,
  • the drum door opening device comprises an actuator for opening the door having a leaf.
  • This activator comprises a retractable arm to support the flap to unlock the flap of the drum shell.
  • the actuator arm presses on the drum flap.
  • the shutter enters the drum. Then, the hooks and bolts associated with the drum and the wing are released to allow the wing to go up to the closing cover of the body of the washing machine.
  • the door opening device is mounted on the closure lid of the washing machine body.
  • the opening system of the drum door is located in the center of the body cover which makes it visible and unattractive.
  • the present invention aims to solve the aforementioned drawbacks and propose a device for opening the drum door generally facilitating access to the interior of the drum for the user.
  • the present invention relates to a device for opening a rotary drum door of horizontal axis comprising at least one leaf having opening means, a tank surrounding the rotary drum, an unlocking means disposed on the rotary drum, means for actuating the unlocking means of the rotary drum flap integrated on the inner face of the tank, means for rotating the rotary drum and means for opening the tank to access the drum. rotating drum.
  • this device for opening a drum door further comprises two means for positioning the drum, a first positioning means allowing the drum to be placed in relation to said means for actuating the drum of the drum. drum, and a second positioning means for placing the opening of the drum vis-à-vis the opening of the tank after the means of unlocking the drum leaf has been actuated.
  • the flap or doors of the drum door are automatically opened and resting on the edges of the tank so that the user of the machine has no manipulation to achieve at this drum door for the positioning of the drum.
  • This invention allows the locking of the drum when loading and unloading the laundry.
  • the drum door with the opening device is adapted to receive one or two leaves.
  • the actuating means are motorized.
  • the opening of the drum door can be automated so that the user has no manipulation to perform at this drum door.
  • the opening of this door can also be done manually in a simple manner. And the closing of the drum door does not require special efforts.
  • a machine for washing and / or drying laundry comprising a rotating drum mounted inside a washing tub, said washing tub being incorporated into a machine body.
  • This machine comprises a device for opening the drum door according to the first aspect of the invention.
  • Such a washing machine and / or drying the dishes has the same characteristics and advantages similar to those described above.
  • a third aspect of the invention relates to a method of opening a rotary drum door of a washing machine and / or drying laundry comprising a washing tub, a drum opening comprising at least one leaf having opening means, unlocking means disposed on the drum flap, means for actuating the integral drum leaf unlocking means on the inner face of the bowl, means for rotating the drum and means for opening the tank to access the drum.
  • the opening of the drum door can be performed automatically and invisibly for the user before unlocking the access door of the machine, so that the door can be opened as soon as the end of the door is detected. cycle of washing or drying.
  • Drum 2 as illustrated in figure 1 is a drum for receiving laundry either in a washing machine, or in a dryer or a washer-dryer, the ferrule 6 being in these cases perforated.
  • These washing and / or drying machines are of the top loading type.
  • These machines for washing and / or drying the laundry comprise a body 25 comprising an access opening 10 inside the body 25.
  • this opening 25 is made in an upper portion of the body. body, and in this example, in an upper plane of the bodywork 25.
  • An access door 26 is adapted to close this opening 10 of the body 25 of the machine, especially during operation thereof.
  • this access door 26 is associated with locking means whose operation is related to the operation of the machine.
  • the locking means are actuated to prevent the opening of the access door 26.
  • the locking means are deactivated for allow the user to open the machine.
  • the access door 26 is pivotally mounted about an axis of rotation 27 integral with the bodywork 25 of the machine.
  • the body 25 of the machine is adapted to house a tank 1 which is adapted in particular to contain the different wash and rinse baths.
  • the drum 2 is intended to be mounted in rotation inside a tank 1 of the machine around a horizontal axis 33.
  • FIG. 2 is schematic and that many organs necessary for the operation of the machine (and for example engine, pumps, filters, ...) have been omitted and do not need to be described in detail here.
  • the ferrule 6 of the drum 2 has an opening 9 closed by a door allowing the introduction and removal of the laundry inside said drum 2.
  • This door comprises two leaves 3 and 4.
  • a first leaf 4 is rotatably mounted around the door. an axle 18, as commonly used for gates of a washing machine drum and / or tumble dryer. Said first wing 4 will be designated in the remainder of this document by beating before. This front flap 4 is placed closest to the user when the drum door 2 is in the open position.
  • the second leaf 3 is rotatably mounted about an axis 17 with a spring of recall 29 as described for the first front flap 4. Said second flap 3 will be designated in the remainder of this document by rear flap. This rear flap 3 is placed farthest from the user when the drum door 2 is in the open position.
  • Any type of hinge can make it possible to mount this rotation of the leaves 3 and 4 along the edges of the opening 9 of the drum 2.
  • each leaf 3 and 4 is mounted by one of its sides in rotation respectively about an axis 17 and 18 integral with the edge of the opening 9 of the drum 2.
  • the figure 1 illustrates such a drum 2 mounted inside a tank 1 of a washing machine and / or drying the laundry, loading from above.
  • This drum door 2 makes it possible to close an opening 9 made in the drum 2 and disposed substantially in line with the access opening 10 of the body 25 of the machine.
  • This drum door 2 can thus be movable between a closed position in which it closes the opening 9, and an open position in which the leaves 3 and 4 are disposed between the wall of the tank 1 and the body 25 of the machine.
  • This open position of the leaves 3 and 4 is illustrated in particular in FIG. figure 2 .
  • the two-leaf drum door 2 and 3 can be modified to a single-leaf drum door.
  • This single wing may consist of one or more removable parts.
  • the drum 2 in this example has a cylindrical wall, ferrule 6, so that the leaves 3 and 4 of the door also consist of a cylinder portion adapted to close an opening 9 of the ferrule 6.
  • This type of door opens on the outside and requires a free space on the surface of the machine in order to be able to be maneuvered.
  • Such a drum door 2 is closed by means of a lock comprising a fastening system consisting of a bolt 24 adapted to cooperate with a strike 23 associated.
  • the actuating means 5 of the leaves 3 and 4 which will be described later are arranged in the upper part of the tank, and as illustrated in FIG. figure 2 between the tank 1, the bodywork 25 and the access door 26.
  • the opening device of the drum door 2 also comprises first positioning means 8 of the drum 2. These first positioning means 8 are adapted to position the opening 9 of the drum door 2 in rotation.
  • the first positioning means 8 of the drum 2 consist of two housings 19 formed on the pulley 22 driving rotation of the tank 1 and the drum 2.
  • the housing 19 for positioning the drum 2 are arranged so that their center is aligned on the same circle of the same diameter and center of axis 33.
  • the angular orientation between the two The positioning housing 19 of the drum 2 is 31 °.
  • These housings 19 for positioning the drum 2 are adapted to receive a locking finger 13 of the drum 2.
  • the pulley 22 driving rotation of the tank 1 and the drum 2 may comprise a groove adapted to slide the finger 13 during the rotation of the drum 2.
  • the first housing 19 for positioning the drum 2 makes it possible to block said drum 2 in such a way that the actuating means 5 is opposite the unlocking means 20 of the leaves 3 and 4.
  • the unlocking means 20 can, by way of example be a push button 32 or a spring blade.
  • the actuating means 5 are in this embodiment adapted to act on the front flap 4 of the drum 2, opposite to the rear flap 3 described above.
  • Said actuating means 5 of the unlocking means 20 are situated around the periphery of the tank 1 and in the portion above the horizontal plane 28 passing through the axis of rotation 33 of the drum 2.
  • actuating means 5 comprise firstly a finger 12 in a slide driven in translation by a jack.
  • the finger 12 may be provided with an elastic return means to return to the rest position.
  • the cylinder 31 may be a single-acting cylinder and powered electrically.
  • This finger 12 can also be set in motion by a gear system.
  • the second housing 19 for positioning the drum 2 makes it possible to block said drum 2 in such a way that the opening 9 of the drum 2 is opposite the opening 10 of the vessel 1.
  • the leaves 3 and 4 move between the first and second blocking position drum 2 sliding along the tank 1.
  • the finger 13 is moved by a movement back and forth in a groove in a pulley 22 for driving the drum 2 having two housings 19 corresponding to the two positions of the drum 2.
  • the finger 13 is moved by a movement back and forth in a groove formed in a flange 15 of the drum 2 having two housings 19 corresponding to the two positions of the drum 2.
  • the finger 13 is displaced by a movement back and forth in a groove formed in the shell 6 of the drum 2 having two housings 19 corresponding to the two positions of the drum 2.
  • the positioning means 8 can be motorized.
  • the positioning means 8 are provided by means for driving the drum 2 in rotation to allow said drum 2 to be locked, such as a direct drive motor.
  • This opening is implemented after detecting an end of washing or drying cycle.
  • This type of detection is conventionally implemented in a machine washing and / or drying the laundry to allow the opening of an access door 26 of the bodywork 25 at the end of a washing or drying cycle.
  • the opening of the drum door 2 is preferably implemented even before the unlocking of the access door 26, so that the drum door 2 is open when the user has access to the machine.
  • the order of the automatic opening of the drum door 2 is given by pressing a control button.
  • a first step of positioning the drum 2 is necessary to lock said drum 2 so that the front flap 4 is vis-à-vis the actuating means 5 of the unlocking means 20.
  • the actuating means 5 of the unlocking means 20 When opening the drum door 2, the actuating means 5 of the unlocking means 20 first of all translate a finger 12 downwards in order to bear on the pushbutton 32 placed on the front leaf 4 of the drum 2.
  • the bolt 24 is extracted from the striker 23 and the leaves 3 and 4 are pushed towards the inside of the drum 2 as illustrated in FIG. figure 5 until the end of the stroke of the electric cylinder 31 controlling the finger 12 unlocking.
  • the rear flap 3 comes into contact with the tank 1. While the front flap 4 remains in contact with the unlocking finger 12.
  • the electric cylinder 31 controlling the electric finger 12 returns to the rest position as soon as the end of travel of said electric cylinder 31 is detected. This return of the finger 12 in the initial position is achieved by the retraction of the rod of the cylinder inside the casing of said cylinder 31.
  • the front leaf 4 comes into contact with the rear leaf 3 itself in contact with the washing tub 1 as illustrated on the figure 7 .
  • the return of the finger 12 is achieved by elastic return means such as a coil spring.
  • the detection of end of stroke of the finger 12 in the rest position causes the unlocking of the positioning means 8 of the drum 2 as illustrated in the position of the figure 8 .
  • the finger 13 is then free and can slide in a groove in a pulley 22 driving the drum 2.
  • the drum 2 is then rotated to the second position as illustrated in FIG. figure 9 .
  • the leaves 3 and 4 slide along the ferrule of the washing tub 1 during the step of rotation between the positioning phase of the drum 2 vis-à-vis the actuating means 5 of the unlocking means 20 the flap 4 of the drum 2 and the positioning of the drum 2 vis-à-vis the opening 10 of the vessel 1.
  • the drum 2 is again blocked by the finger 13 which fits into the second positioning housing 19.
  • the leaves 3 and 4 are ajar and in contact with the periphery of the opening 10 of the washing tub 1 as illustrated in FIG. figure 9 .
  • the locking of the drum 2 is achieved by the rear flap 3 while resting on the vessel 1.
  • the user can now access the inside of the drum 2 by opening the access door 26.
  • the leaves 3 and 4 are released from the stresses exerted by the access door 26 and can continue their opening by the return means elastic 11.
  • a device for opening the drum door 2 is thus obtained, which automatically allows the unlocking and opening of the drum door 2 to be obtained at the end of a washing cycle.
  • this drum door can be opened without requiring manipulation on the part of the user.
  • this opening of the drum door 2 can be performed as the access door 26 of the body is closed, so that that the user does not have access to this drum door 2.
  • the detection of the end of the opening cycle of the drum door 2 gives the authorization of the unlocking of the access door 26.
  • the closure of the drum door 2 is compatible with conventional means for closing a drum door 2.
  • a drum door 2 comprising a single leaf 4 is adapted to this opening device.
  • the invention can be applied to a single leaf door 4 since the operating principle is similar to that of a drum door 2 comprising two leaves 3 and 4.
  • the invention operates regardless of the direction of rotation of the drum 2, insofar as the actuating means 5 of the unlocking means 20 can locate on either side of the opening 10 of the vessel 1. At the end of a cycle or on a stop order, it is not necessary to impose a direction of rotation before allowing the door opening of the rotary drum 2.
  • actuating means 5 of the unlocking means 20 of the leaves 3 and 4 using a jack 31 could be replaced by other mechanisms allowing the movement of the finger 12 and the automatic unlocking of the wings 3 and 4 of the drum 2.
  • the means for locking the wings 3 and 4 composed of a bolt 24 and a keeper 23 disposed in the center of the leaves 3 and 4 can be replaced by a multiple or single hook system associated with a push button 32 or a blade spring and arranged on the ends of the leaves 3 and 4.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Tea And Coffee (AREA)
  • Centrifugal Separators (AREA)

Abstract

The door opening system for a top loading horizontal axis washer/drier with at least one door flap (3, 4) on its rotary drum surrounded by a casing (1), comprising a release mechanism and actuator (5), includes two drum positioners (8). The first enables the drum to be positioned opposite the actuator, and the second positions the drum opening (9) opposite the casing aperture. Both the release mechanism actuator and positioners are motorised.

Description

La présente invention concerne un dispositif d'ouverture d'une porte de tambour.The present invention relates to a device for opening a drum door.

Elle concerne également un procédé d'ouverture de porte de tambour rotatif, notamment pour machine à laver et / ou sécher le linge.It also relates to a rotary drum door opening process, especially for washing machine and / or tumble drying.

La présente invention concerne de manière générale une machine à laver et / ou sécher le linge équipée d'un tel dispositif d'ouverture d'une porte de tambour. Cette machine à laver et / ou sécher le linge comprend une cuve dans laquelle est logé le tambour destiné à contenir le linge. Cette cuve doit être fermée de façon étanche lors de l'utilisation de la machine et / ou sécher le linge.The present invention generally relates to a washing machine and / or tumble dryer equipped with such a device for opening a drum door. This washing machine and / or drying machine comprises a tank in which is housed the drum for containing the laundry. This tank must be tightly closed when using the machine and / or drying the laundry.

De manière générale, la présente invention s'applique à une machine à laver et / ou sécher le linge, munie d'un tambour rotatif à chargement radial, au travers d'une ouverture prévue dans la virole du tambour.In general, the present invention applies to a washing machine and / or drying the laundry, provided with a rotary drum with radial loading, through an opening in the drum shell.

Ainsi, le chargement et le retrait du linge du tambour s'effectuent au niveau du périmètre du tambour, et généralement par le dessus de la machine. Cette dernière comportant dans le plan supérieur de sa carrosserie une porte permettant l'accès au tambour.Thus, the loading and removal of the laundry drum is performed at the perimeter of the drum, and generally from the top of the machine. The latter having in the upper plane of its body a door allowing access to the drum.

Dans la grande majorité des cas, ce tambour rotatif est équipé d'une porte à deux battants, ces battants étant articulés de manière indépendante respectivement au niveau des deux bords opposés de l'ouverture. De manière classique, chaque battant est monté par un de ses côtés en rotation autour d'un axe solidaire d'un bord de l'ouverture.In the vast majority of cases, this rotary drum is equipped with a double-leaf door, these leaves being articulated independently respectively at the two opposite edges of the opening. Conventionally, each leaf is mounted by one of its sides in rotation about an axis integral with an edge of the opening.

L'ouverture de ces battants est généralement réalisée grâce à la mise en oeuvre de moyens de rappel élastique montés au niveau de l'axe de rotation, et le maintien en position fermée de ces battants est réalisé par des moyens de fermeture complémentaires montés respectivement sur les bords libres des battants. Le déplacement des battants est généralement indépendant et requiert l'utilisation de deux mains pour rapprocher les battants en position fermée.The opening of these leaves is generally achieved through the implementation of resilient return means mounted at the axis of rotation, and the holding in the closed position of these wings is achieved by complementary closure means mounted respectively on the free edges of the leaves. The movement of the leaves is generally independent and requires the use of two hands to bring the leaves in closed position.

Un inconvénient d'une telle machine à laver et / ou sécher le linge à chargement par le dessus est qu'il est nécessaire d'ouvrir au moins deux portes. L'utilisateur doit en effet ouvrir la porte d'accès de la carrosserie et la porte du tambour. Dans certains cas, l'ouverture d'une deuxième porte de la cuve de la machine est nécessaire avant l'ouverture de la porte du tambour et après l'ouverture de la porte de la carrosserie décrite précédemment. Cet enchaînement pour l'ouverture de la machine à laver et / ou sécher le linge comporte ainsi trois manipulations. Ces manipulations pour l'utilisateur sont très contraignantes.A disadvantage of such a washing machine and / or drying the top loading laundry is that it is necessary to open at least two doors. The user must indeed open the access door of the body and the door of the drum. In some cases, the opening of a second door of the tank of the machine is necessary before opening the drum door and after opening the door of the body described above. This sequence for opening the washing machine and / or drying the laundry thus comprises three manipulations. These manipulations for the user are very restrictive.

En outre, l'ouverture du tambour est assez souvent compliquée et même éventuellement blessante, en particulier au niveau des doigts.In addition, the opening of the drum is often complicated and possibly even offensive, especially at the level of the fingers.

On connaît toutefois, tel que décrit dans le document EP 1 422 333 , une machine à la laver et / ou sécher le linge dont les battants du tambour rotatif sont ouverts par un système de biellettes. Les biellettes relient la poignée d'ouverture de la porte de la carrosserie à des moyens de déverrouillage des battants de la porte du tambour rotatif, de telle sorte qu'à l'ouverture de la machine à laver et / ou sécher le linge, seule l'ouverture de la porte de la carrosserie est nécessaire. Néanmoins, pour la fermeture de la machine, deux manipulations sont requises.However, it is known, as described in document EP 1 422 333 , a machine for washing and / or drying laundry whose rotating drum flaps are opened by a link system. The connecting rods connect the opening handle of the door of the body to unlocking means of the doors of the rotating drum door, so that when opening the washing machine and / or drying the laundry, only the opening of the door of the bodywork is necessary. Nevertheless, for closing the machine, two manipulations are required.

Cependant, l'ouverture de la porte de tambour est dépendante de l'ouverture de la porte de la carrosserie par l'utilisateur. La liaison entre la poignée de la porte de la carrosserie et la porte de tambour est complexe et coûteux. Cette liaison mécanique nécessite des biellettes articulées entre elles pour permettre la transmission du mouvement de bas en haut de la poignée de la porte de carrosserie par des rotations afin de permettre l'appui d'un doigt sur un moyen de déverrouillage. Ce système ne permet pas l'ouverture automatique de la porte de tambour.However, the opening of the drum door is dependent on the opening of the door of the body by the user. The connection between the door handle of the bodywork and the drum door is complex and expensive. This mechanical connection requires linkages articulated between them to allow the transmission of movement from the bottom to the top of the handle of the bodywork door by rotations to allow the support of a finger on an unlocking means. This system does not allow automatic opening of the drum door.

En outre, le système d'ouverture de la porte du tambour est situé au centre de la porte de la carrosserie et traverse le bac à produits intégré dans la porte de la carrosserie, ce qui le rend visible et peu esthétique.In addition, the opening system of the drum door is located in the center of the door of the body and crosses the integrated product tray in the door of the body, which makes it visible and unattractive.

Ainsi, du fait du passage du système d'ouverture de la porte de tambour au travers de la boîte à produits, il est nécessaire de prévoir un joint d'étanchéité sur le doigt actionnant le moyen de déverrouillage des battants de la porte de tambour.Thus, due to the passage of the opening system of the drum door through the product box, it is necessary to provide a seal on the finger actuating the unlocking means of the flaps of the drum door.

On connaît également un lave-linge, décrit dans le document US2004/0231062 A1 , comprenant une porte de tambour et un couvercle de fermeture de la carrosserie. La rotation du tambour est réalisée par un mécanisme d'entraînement incluant un dispositif de commande. Le dispositif de commande est capable d'entraîner en rotation le tambour par les moyens du mécanisme d'entraînement à une position prédéterminée et de maintenir le tambour dans cette position,There is also a washing machine described in the document US2004 / 0231062 A1 , comprising a drum door and a body closure cover. The rotation of the drum is carried out by a drive mechanism including a control device. The controller is capable of rotating the drum by means of the drive mechanism at a predetermined position and holding the drum in that position,

Ce document US2004/231062 divulgue un lave-linge où le tambour est arrêté en vis-à-vis du couvercle pour déverrouiller le battant.This document US2004 / 231062 discloses a washing machine where the drum is stopped vis-à-vis the lid to unlock the door.

Le dispositif d'ouverture de porte du tambour comprend un actionneur pour ouvrir la porte comportant un battant. Cet activateur comprend un bras rétractable pour prendre appui sur le battant afin de déverrouiller ce battant de la virole du tambour. Le bras de l'actionneur appuie sur le battant du tambour. Le battant entre à l'intérieur du tambour. Puis, les crochets et pênes associés au tambour et au battant se dégagent pour permettre au battant de remonter vers le couvercle de fermeture de la carrosserie du lave-linge.The drum door opening device comprises an actuator for opening the door having a leaf. This activator comprises a retractable arm to support the flap to unlock the flap of the drum shell. The actuator arm presses on the drum flap. The shutter enters the drum. Then, the hooks and bolts associated with the drum and the wing are released to allow the wing to go up to the closing cover of the body of the washing machine.

Le dispositif d'ouverture de porte est monté sur le couvercle de fermeture de la carrosserie du lave-linge.The door opening device is mounted on the closure lid of the washing machine body.

Le système d'ouverture de la porte du tambour est situé au centre du couvercle de la carrosserie ce qui le rend visible et peu esthétique.The opening system of the drum door is located in the center of the body cover which makes it visible and unattractive.

La présente invention a pour but de résoudre les inconvénients précités et de proposer un dispositif d'ouverture de la porte de tambour facilitant de manière générale l'accès à l'intérieur du tambour pour l'utilisateur.The present invention aims to solve the aforementioned drawbacks and propose a device for opening the drum door generally facilitating access to the interior of the drum for the user.

A cet effet, la présente invention concerne un dispositif d'ouverture d'une porte de tambour rotatif d'axe horizontal comportant au moins un battant ayant des moyens d'ouverture, une cuve entourant le tambour rotatif, un moyen de déverrouillage disposé sur le battant du tambour rotatif, un moyen d'actionnement du moyen de déverrouillage du battant du tambour rotatif intégré sur la face interne de la cuve, un moyen d'entraînement en rotation du tambour rotatif et un moyen d'ouverture de la cuve pour accéder au tambour rotatif.For this purpose, the present invention relates to a device for opening a rotary drum door of horizontal axis comprising at least one leaf having opening means, a tank surrounding the rotary drum, an unlocking means disposed on the rotary drum, means for actuating the unlocking means of the rotary drum flap integrated on the inner face of the tank, means for rotating the rotary drum and means for opening the tank to access the drum. rotating drum.

Selon l'invention, ce dispositif d'ouverture d'une porte de tambour comporte en outre deux moyens de positionnement du tambour, un premier moyen de positionnement permettant le placement du tambour en vis-à-vis dudit moyen d'actionnement du battant du tambour, et un deuxième moyen de positionnement permettant le placement de l'ouverture du tambour en vis-à-vis de l'ouverture de la cuve après que le moyen de déverrouillage du battant du tambour ait été actionné.According to the invention, this device for opening a drum door further comprises two means for positioning the drum, a first positioning means allowing the drum to be placed in relation to said means for actuating the drum of the drum. drum, and a second positioning means for placing the opening of the drum vis-à-vis the opening of the tank after the means of unlocking the drum leaf has been actuated.

Grâce au montage de ce dispositif sur une machine à laver et / ou sécher le linge, le ou les battants de la porte de tambour sont ouverts automatiquement et en appui sur les bords de la cuve de telle sorte que l'utilisateur de la machine n'a aucune manipulation à réaliser au niveau de cette porte de tambour pour le positionnement du tambour. Cette invention permet le blocage du tambour lors du chargement et déchargement du linge.By mounting this device on a washing machine and / or drying the laundry, the flap or doors of the drum door are automatically opened and resting on the edges of the tank so that the user of the machine has no manipulation to achieve at this drum door for the positioning of the drum. This invention allows the locking of the drum when loading and unloading the laundry.

En outre, la porte du tambour grâce au dispositif d'ouverture est adaptée à recevoir un seul ou deux battants.In addition, the drum door with the opening device is adapted to receive one or two leaves.

Selon une caractéristique préférée de l'invention, les moyens d'actionnements sont motorisés.According to a preferred characteristic of the invention, the actuating means are motorized.

Ainsi, l'ouverture de la porte de tambour peut être automatisé de telle sorte que l'utilisateur n'a aucune manipulation à réaliser au niveau de cette porte de tambour. L'ouverture de cette porte peut aussi être effectuée manuellement de manière simple. Et la fermeture de la porte du tambour n'exige pas d'efforts particuliers.Thus, the opening of the drum door can be automated so that the user has no manipulation to perform at this drum door. The opening of this door can also be done manually in a simple manner. And the closing of the drum door does not require special efforts.

Selon un autre aspect de l'invention, elle concerne une machine à laver et / ou sécher le linge, comprenant un tambour rotatif monté à l'intérieur d'une cuve de lavage, ladite cuve de lavage étant incorporée dans une carrosserie de machine. Cette machine comprend un dispositif d'ouverture de la porte de tambour conforme au premier aspect de l'invention.According to another aspect of the invention, it relates to a machine for washing and / or drying laundry, comprising a rotating drum mounted inside a washing tub, said washing tub being incorporated into a machine body. This machine comprises a device for opening the drum door according to the first aspect of the invention.

Une telle machine à laver et / ou sécher la vaisselle présente les mêmes caractéristiques et avantages analogues à ceux décrits précédemment.Such a washing machine and / or drying the dishes has the same characteristics and advantages similar to those described above.

Selon un troisième aspect de l'invention, elle concerne un procédé d'ouverture d'une porte de tambour rotatif d'une machine à laver et / ou sécher le linge comprenant une cuve de lavage, une ouverture de tambour comprenant au moins un battant ayant des moyens d'ouverture, un moyen de déverrouillage disposé sur le battant du tambour, un moyen d'actionnement du moyen de déverrouillage du battant du tambour intégré sur la face interne de la cuve, un moyen d'entraînement en rotation du tambour et un moyen d'ouverture de la cuve pour accéder au tambour.According to a third aspect of the invention, it relates to a method of opening a rotary drum door of a washing machine and / or drying laundry comprising a washing tub, a drum opening comprising at least one leaf having opening means, unlocking means disposed on the drum flap, means for actuating the integral drum leaf unlocking means on the inner face of the bowl, means for rotating the drum and means for opening the tank to access the drum.

Ce procédé d'ouverture d'une porte de tambour rotatif comprend les étapes suivantes :

  • positionnement du tambour en vis-à-vis du moyen d'actionnement du moyen de déverrouillage du battant du tambour ;
  • déverrouillage du battant par le moyen d'actionnement du moyen du moyen de déverrouillage dudit battant du tambour ;
  • rotation et positionnement du tambour en vis-à-vis de l'ouverture de la cuve, et
  • ouverture du battant de la porte de tambour par des moyens d'ouverture du battant.
This method of opening a rotary drum door comprises the following steps:
  • positioning the drum vis-à-vis the actuating means of the unlocking means of the drum flap;
  • unlocking the wing by the means for actuating the means of the unlocking means of said drum leaf;
  • rotation and positioning of the drum vis-à-vis the opening of the tank, and
  • opening the flap of the drum door by means of opening the wing.

Ainsi, l'ouverture de la porte de tambour peut être effectuée automatiquement et de manière invisible pour l'utilisateur avant le déverrouillage de la porte d'accès de la machine, de telle sorte que la porte peut être ouverte dès la détection de fin de cycle de lavage ou séchage.Thus, the opening of the drum door can be performed automatically and invisibly for the user before unlocking the access door of the machine, so that the door can be opened as soon as the end of the door is detected. cycle of washing or drying.

D'autres particularités et avantages de l'invention apparaîtront encore dans la description ci-après.Other features and advantages of the invention will become apparent in the description below.

Aux dessins annexés, donnés à titre d'exemples non imitatifs :

  • la figure 1 est une vue en perspective d'un tambour ouvert adapté à équiper une machine à laver et / ou sécher le linge et monté dans une cuve de lavage ou séchage conforme à un mode de réalisation de l'invention ;
  • la figure 2 est une vue schématique de côté d'une machine à laver et / ou sécher le linge conforme à un mode de réalisation de l'invention ;
  • la figure 3 illustre en perspective un tambour équipé d'un système de porte de tambour conforme à un mode de réalisation de l'invention ;
  • les figures 4 à 9 sont des vues en section schématiques illustrant l'ouverture d'une porte de tambour conforme à l'invention.
In the attached drawings, given as non-imitative examples:
  • the figure 1 is a perspective view of an open drum adapted to equip a washing machine and / or drying the laundry and mounted in a washing tub or drying according to one embodiment of the invention;
  • the figure 2 is a schematic side view of a washing machine and / or tumble dryer according to an embodiment of the invention;
  • the figure 3 illustrates in perspective a drum equipped with a drum door system according to an embodiment of the invention;
  • the Figures 4 to 9 are schematic sectional views illustrating the opening of a drum door according to the invention.

On va tout d'abord décrire en référence aux figures 1 et 2 une porte de tambour conforme à un mode de réalisation de l'invention.We will first describe with reference to figures 1 and 2 a drum door according to one embodiment of the invention.

Le tambour 2 tel qu'illustré à la figure 1 est un tambour destiné à recevoir du linge soit dans un lave-linge, soit dans un sèche-linge ou une lavante - séchante, la virole 6 étant dans ces cas là perforée. Ces machines à laver et / ou sécher le linge sont du type à chargement par le dessus.Drum 2 as illustrated in figure 1 is a drum for receiving laundry either in a washing machine, or in a dryer or a washer-dryer, the ferrule 6 being in these cases perforated. These washing and / or drying machines are of the top loading type.

Ces machines à laver et / ou sécher le linge comportent une carrosserie 25 comprenant une ouverture 10 d'accès à l'intérieur de la carrosserie 25. Dans ces machines à chargement par le dessus, cette ouverture 25 est réalisée dans une portion supérieure de la carrosserie, et dans cet exemple, dans un plan supérieur de la carrosserie 25.These machines for washing and / or drying the laundry comprise a body 25 comprising an access opening 10 inside the body 25. In these machines for loading from above, this opening 25 is made in an upper portion of the body. body, and in this example, in an upper plane of the bodywork 25.

Une porte d'accès 26 est adaptée à obturer cette ouverture 10 de la carrosserie 25 de la machine, notamment lors du fonctionnement de celle-ci.An access door 26 is adapted to close this opening 10 of the body 25 of the machine, especially during operation thereof.

En particulier, de manière connue, cette porte d'accès 26 est associée à des moyens de verrouillage dont le fonctionnement est lié au fonctionnement de la machine.In particular, in known manner, this access door 26 is associated with locking means whose operation is related to the operation of the machine.

Ainsi, en début de cycle de lavage ou séchage, les moyens de verrouillage sont actionnés pour empêcher l'ouverture de la porte d'accès 26. De manière similaire, en fin de cycle de lavage ou séchage, les moyens de verrouillage sont désactivés pour permettre l'ouverture par l'utilisateur de la machine.Thus, at the beginning of the washing or drying cycle, the locking means are actuated to prevent the opening of the access door 26. Similarly, at the end of the washing or drying cycle, the locking means are deactivated for allow the user to open the machine.

Dans cet exemple de réalisation, et de manière nullement limitative, la porte d'accès 26 est montée pivotante autour d'un axe de rotation 27 solidaire de la carrosserie 25 de la machine.In this embodiment, and in no way limiting, the access door 26 is pivotally mounted about an axis of rotation 27 integral with the bodywork 25 of the machine.

La carrosserie 25 de la machine est adaptée à loger une cuve 1 qui est adaptée notamment à contenir les différents bains de lavage et de rinçage.The body 25 of the machine is adapted to house a tank 1 which is adapted in particular to contain the different wash and rinse baths.

Le tambour 2 est destiné à être monté en rotation à l'intérieur d'une cuve 1 de la machine autour d'un axe horizontal 33.The drum 2 is intended to be mounted in rotation inside a tank 1 of the machine around a horizontal axis 33.

On notera que la figure 2 est schématique et que de nombreux organes nécessaires au fonctionnement de la machine (et par exemple moteur, pompes, filtres, ...) ont été omis et n'ont pas besoin d'être décrits en détail ici.It will be noted that the figure 2 is schematic and that many organs necessary for the operation of the machine (and for example engine, pumps, filters, ...) have been omitted and do not need to be described in detail here.

La virole 6 du tambour 2 comporte une ouverture 9 obturée par une porte permettant l'introduction et le retrait du linge à l'intérieur dudit tambour 2. Cette porte comprend deux battants 3 et 4. Un premier battant 4 est monté en rotation autour d'un axe 18, tel que couramment utilisé pour les portillons d'un tambour de machine à laver et / ou sécher le linge. Ledit premier battant 4 sera désigné dans la suite de ce document par battant avant. Ce battant avant 4 est placé le plus près de l'utilisateur lorsque la porte de tambour 2 est en position ouverte.The ferrule 6 of the drum 2 has an opening 9 closed by a door allowing the introduction and removal of the laundry inside said drum 2. This door comprises two leaves 3 and 4. A first leaf 4 is rotatably mounted around the door. an axle 18, as commonly used for gates of a washing machine drum and / or tumble dryer. Said first wing 4 will be designated in the remainder of this document by beating before. This front flap 4 is placed closest to the user when the drum door 2 is in the open position.

Il s'agit d'un montage classique d'un battant avant 4 en rotation autour d'un axe 18, tel que couramment utilisé pour les portillons d'un tambour de machine à laver et / ou sécher le linge.This is a conventional assembly of a front flapper 4 rotating about an axis 18, as commonly used for the gates of a washing machine drum and / or tumble dryer.

Afin de faciliter l'ouverture du battant, et la rotation de ce battant avant 4 autour de l'axe 18, il est classique de monter un ressort de rappel 29 monté en torsion pour exercer une force de rotation autour de l'axe 18.In order to facilitate the opening of the leaf, and the rotation of this front leaf 4 about the axis 18, it is conventional to mount a torsion-mounted return spring 29 for exerting a rotational force about the axis 18.

Le second battant 3 est monté en rotation autour d'un axe 17 avec un ressort de rappel 29 tel que décrit pour le premier battant avant 4. Ledit second battant 3 sera désigné dans la suite de ce document par battant arrière. Ce battant arrière 3 est placé le plus loin de l'utilisateur lorsque la porte de tambour 2 est en position ouverte.The second leaf 3 is rotatably mounted about an axis 17 with a spring of recall 29 as described for the first front flap 4. Said second flap 3 will be designated in the remainder of this document by rear flap. This rear flap 3 is placed farthest from the user when the drum door 2 is in the open position.

Tout type de charnière peut permettre de réaliser ce montage en rotation des battants 3 et 4 le long des bords de l'ouverture 9 du tambour 2.Any type of hinge can make it possible to mount this rotation of the leaves 3 and 4 along the edges of the opening 9 of the drum 2.

Ces battants 3 et 4 sont articulés de manière indépendante respectivement au niveau de deux bords opposés de l'ouverture 9 du tambour 2.These leaves 3 and 4 are articulated independently respectively at two opposite edges of the opening 9 of the drum 2.

De manière classique, chaque battant 3 et 4 est monté par un de ses côtés en rotation respectivement autour d'un axe 17 et 18 solidaire du bord de l'ouverture 9 du tambour 2.Conventionally, each leaf 3 and 4 is mounted by one of its sides in rotation respectively about an axis 17 and 18 integral with the edge of the opening 9 of the drum 2.

La figure 1 illustre un tel tambour 2 monté à l'intérieur d'une cuve 1 d'une machine à laver et / ou sécher le linge, à chargement par le dessus.The figure 1 illustrates such a drum 2 mounted inside a tank 1 of a washing machine and / or drying the laundry, loading from above.

Cette porte de tambour 2 permet d'obturer une ouverture 9 réalisée dans le tambour 2 et disposée sensiblement au droit de l'ouverture d'accès 10 de la carrosserie 25 de la machine.This drum door 2 makes it possible to close an opening 9 made in the drum 2 and disposed substantially in line with the access opening 10 of the body 25 of the machine.

Cette porte de tambour 2 peut ainsi être mobile entre une position fermée dans laquelle elle obture l'ouverture 9, et une position ouverte dans laquelle les battants 3 et 4 sont disposés entre la paroi de la cuve 1 et la carrosserie 25 de la machine.This drum door 2 can thus be movable between a closed position in which it closes the opening 9, and an open position in which the leaves 3 and 4 are disposed between the wall of the tank 1 and the body 25 of the machine.

Cette position ouverte des battants 3 et 4 est notamment illustrée à la figure 2.This open position of the leaves 3 and 4 is illustrated in particular in FIG. figure 2 .

Dans un autre mode de réalisation, on peut modifier la porte de tambour 2 à deux battants 3 et 4 à une porte de tambour à un seul battant. Ce battant unique peut être constitué d'une ou plusieurs parties amovibles. Lors de l'ouverture de la porte de tambour 2 autour de l'axe de rotation 17, le battant est situé vers l'arrière de la machine de telle sorte que l'utilisateur n'est pas gêné par cette porte pour avoir accès à l'intérieur du tambour 2.In another embodiment, the two-leaf drum door 2 and 3 can be modified to a single-leaf drum door. This single wing may consist of one or more removable parts. When opening the drum door 2 around the axis of rotation 17, the leaf is located towards the rear of the machine so that the user is not bothered by this door to have access to the inside of the drum 2.

On a illustré de manière isolée sur la figure 3 le tambour 2 conforme à l'invention équipé d'un système de porte de tambour 2.We have illustrated in isolation on the figure 3 the drum 2 according to the invention equipped with a drum door system 2.

Le tambour 2 dans cet exemple a une paroi cylindrique, virole 6, de telle sorte que les battants 3 et 4 de la porte sont également constitués d'une portion de cylindre adaptée à obturer une ouverture 9 de la virole 6.The drum 2 in this example has a cylindrical wall, ferrule 6, so that the leaves 3 and 4 of the door also consist of a cylinder portion adapted to close an opening 9 of the ferrule 6.

Ce type de porte s'ouvre sur l'extérieur et requiert un espace libre sur la surface de la machine afin de pouvoir être manoeuvrée.This type of door opens on the outside and requires a free space on the surface of the machine in order to be able to be maneuvered.

Une telle porte de tambour 2 est fermée au moyen d'une serrure comportant un système d'accroche constitué d'un pêne 24 adapté à coopérer avec une gâche 23 associée.Such a drum door 2 is closed by means of a lock comprising a fastening system consisting of a bolt 24 adapted to cooperate with a strike 23 associated.

Ces battants 3 et 4 sont déverrouillés par un moyen d'actionnement 5 du moyen de déverrouillage 20 et déplacés en rotation grâce à des moyens de rappel élastique 11.These leaves 3 and 4 are unlocked by an actuating means 5 of the unlocking means 20 and moved in rotation by means of elastic return means 11.

Le moyen d'actionnement 5 des battants 3 et 4 qui vont être décrits ultérieurement sont disposés dans la partie haute de la cuve, et comme illustré à la figure 2, entre la cuve 1, la carrosserie 25 et la porte d'accès 26.The actuating means 5 of the leaves 3 and 4 which will be described later are arranged in the upper part of the tank, and as illustrated in FIG. figure 2 between the tank 1, the bodywork 25 and the access door 26.

Comme bien illustré sur la figure 2, le dispositif d'ouverture de la porte de tambour 2 comporte également des premiers moyens de positionnement 8 du tambour 2. Ces premiers moyens de positionnement 8 sont adaptés à positionner en rotation l'ouverture 9 de la porte du tambour 2.As well illustrated on the figure 2 , the opening device of the drum door 2 also comprises first positioning means 8 of the drum 2. These first positioning means 8 are adapted to position the opening 9 of the drum door 2 in rotation.

Comme bien illustré sur les figures 4 à 9, les premiers moyens de positionnement 8 du tambour 2 sont constitués de deux logements 19 ménagés sur la poulie 22 d'entraînement en rotation de la cuve 1 et du tambour 2.As well illustrated on Figures 4 to 9 , the first positioning means 8 of the drum 2 consist of two housings 19 formed on the pulley 22 driving rotation of the tank 1 and the drum 2.

Dans cet exemple, les logements 19 de positionnement du tambour 2 sont disposés de telle sorte que leur centre soit aligné sur un même cercle de même diamètre et de centre d'axe 33. Dans cet exemple de réalisation, l'orientation angulaire entre les deux logements 19 de positionnement du tambour 2 est de 31°.In this example, the housing 19 for positioning the drum 2 are arranged so that their center is aligned on the same circle of the same diameter and center of axis 33. In this embodiment, the angular orientation between the two The positioning housing 19 of the drum 2 is 31 °.

Ces logements 19 de positionnement du tambour 2 sont adaptés à recevoir un doigt 13 de blocage du tambour 2.These housings 19 for positioning the drum 2 are adapted to receive a locking finger 13 of the drum 2.

Pour permettre le positionnement du tambour 2, la poulie 22 d'entraînement en rotation de la cuve 1 et du tambour 2 peut comporter une gorge adaptée à faire coulisser le doigt 13 pendant la rotation du tambour 2.To allow the positioning of the drum 2, the pulley 22 driving rotation of the tank 1 and the drum 2 may comprise a groove adapted to slide the finger 13 during the rotation of the drum 2.

Le premier logement 19 de positionnement du tambour 2 permet de bloquer ledit tambour 2 de telle sorte que le moyen d'actionnement 5 soit en vis-à-vis du moyen de déverrouillage 20 des battants 3 et 4. Le moyen de déverrouillage 20 peut par exemple être un bouton poussoir 32 ou encore une lame ressort.The first housing 19 for positioning the drum 2 makes it possible to block said drum 2 in such a way that the actuating means 5 is opposite the unlocking means 20 of the leaves 3 and 4. The unlocking means 20 can, by way of example be a push button 32 or a spring blade.

Les moyens d'actionnement 5 sont dans ce mode de réalisation adaptés à agir sur le battant avant 4 du tambour 2, opposé au battant arrière 3 décrit précédemment.The actuating means 5 are in this embodiment adapted to act on the front flap 4 of the drum 2, opposite to the rear flap 3 described above.

Lesdits moyens d'actionnement 5 du moyen de déverrouillage 20 sont situés sur le pourtour de la cuve 1 et dans la partie au-dessus du plan horizontal 28 passant par l'axe de rotation 33 du tambour 2.Said actuating means 5 of the unlocking means 20 are situated around the periphery of the tank 1 and in the portion above the horizontal plane 28 passing through the axis of rotation 33 of the drum 2.

Ces moyens d'actionnement 5 comprennent tout d'abord un doigt 12 dans une glissière entraîné en translation par un vérin.These actuating means 5 comprise firstly a finger 12 in a slide driven in translation by a jack.

Le doigt 12 peut être muni d'un moyen de rappel élastique pour revenir en position de repos. D'où, le vérin 31 peut être un vérin simple effet et alimenté électriquement.The finger 12 may be provided with an elastic return means to return to the rest position. Hence, the cylinder 31 may be a single-acting cylinder and powered electrically.

Ce doigt 12 peut aussi être mis en mouvement par un système d'engrenages.This finger 12 can also be set in motion by a gear system.

Le second logement 19 de positionnement du tambour 2 permet de bloquer ledit tambour 2 de telle sorte que l'ouverture 9 du tambour 2 est en vis-à-vis de l'ouverture 10 de la cuve 1.The second housing 19 for positioning the drum 2 makes it possible to block said drum 2 in such a way that the opening 9 of the drum 2 is opposite the opening 10 of the vessel 1.

Les battants 3 et 4 se déplacent entre la première et seconde position de blocage du tambour 2 en glissant le long de la cuve 1.The leaves 3 and 4 move between the first and second blocking position drum 2 sliding along the tank 1.

Préférentiellement, le doigt 13 est déplacé par un mouvement de va et vient dans une gorge ménagée dans une poulie 22 d'entraînement du tambour 2 comportant deux logements 19 correspondant aux deux positions du tambour 2.Preferably, the finger 13 is moved by a movement back and forth in a groove in a pulley 22 for driving the drum 2 having two housings 19 corresponding to the two positions of the drum 2.

Dans un second mode de réalisation, le doigt 13 est déplacé par un mouvement de va et vient dans une gorge ménagée dans un flasque 15 du tambour 2 comportant deux logements 19 correspondant aux deux positions du tambour 2.In a second embodiment, the finger 13 is moved by a movement back and forth in a groove formed in a flange 15 of the drum 2 having two housings 19 corresponding to the two positions of the drum 2.

Dans un troisième mode de réalisation, le doigt 13 est déplacé par un mouvement de va et vient dans une gorge ménagée dans la virole 6 du tambour 2 comportant deux logements 19 correspondant aux deux positions du tambour 2.In a third embodiment, the finger 13 is displaced by a movement back and forth in a groove formed in the shell 6 of the drum 2 having two housings 19 corresponding to the two positions of the drum 2.

De plus, les moyens de positionnement 8 peuvent être motorisés.In addition, the positioning means 8 can be motorized.

Dans un quatrième mode de réalisation, les moyens de positionnement 8 sont assurés par un moyen d'entraînement en rotation du tambour 2 permettant le blocage dudit tambour 2, tel qu'un moteur de type « direct drive ».In a fourth embodiment, the positioning means 8 are provided by means for driving the drum 2 in rotation to allow said drum 2 to be locked, such as a direct drive motor.

On va décrire à présent un procédé d'ouverture d'une porte de tambour conforme à l'invention.We will now describe a method of opening a drum door according to the invention.

Cette ouverture est mise en oeuvre après la détection d'une fin de cycle de lavage ou de séchage. Ce type de détection est mis en oeuvre classiquement dans une machine à laver et / ou sécher le linge pour autoriser l'ouverture d'une porte d'accès 26 de la carrosserie 25 à la fin d'un cycle de lavage ou de séchage.This opening is implemented after detecting an end of washing or drying cycle. This type of detection is conventionally implemented in a machine washing and / or drying the laundry to allow the opening of an access door 26 of the bodywork 25 at the end of a washing or drying cycle.

L'ouverture de la porte de tambour 2 est de préférence mise en oeuvre avant même le déverrouillage de la porte d'accès 26, de telle sorte que cette porte de tambour 2 est ouverte lorsque l'utilisateur a accès à la machine.The opening of the drum door 2 is preferably implemented even before the unlocking of the access door 26, so that the drum door 2 is open when the user has access to the machine.

Dans une variante de ce procédé d'ouverture d'une porte de tambour, l'ordre de l'ouverture automatique de la porte de tambour 2 est donné par l'appui sur un bouton de commande.In a variant of this method of opening a drum door, the order of the automatic opening of the drum door 2 is given by pressing a control button.

Une première étape de positionnement du tambour 2 est nécessaire pour bloquer ledit tambour 2 de manière à ce que le battant avant 4 est en vis-à-vis du moyen d'actionnement 5 du moyen de déverrouillage 20.A first step of positioning the drum 2 is necessary to lock said drum 2 so that the front flap 4 is vis-à-vis the actuating means 5 of the unlocking means 20.

Lors de l'ouverture de la porte de tambour 2, le moyen d'actionnement 5 du moyen de déverrouillage 20 entraîne tout d'abord en translation un doigt 12 vers le bas pour prendre appui sur le bouton poussoir 32 placé sur le battant avant 4 du tambour 2.When opening the drum door 2, the actuating means 5 of the unlocking means 20 first of all translate a finger 12 downwards in order to bear on the pushbutton 32 placed on the front leaf 4 of the drum 2.

Ainsi, le pêne 24 est extrait de la gâche 23 et les battants 3 et 4 sont poussés vers l'intérieur du tambour 2 tel qu'illustré sur la figure 5 jusqu'à la fin de course du vérin électrique 31 commandant le doigt 12 de déverrouillage.Thus, the bolt 24 is extracted from the striker 23 and the leaves 3 and 4 are pushed towards the inside of the drum 2 as illustrated in FIG. figure 5 until the end of the stroke of the electric cylinder 31 controlling the finger 12 unlocking.

Il en résulte que le pêne 24 du battant avant 4 commence à se désengager de la gâche 23 du battant arrière 3 tel qu'illustré sur la figure 5. Ensuite, les ressorts de rappel 29 de chacun des deux battants 3 et 4 les forcent à l'ouverture avec un couple adapté.As a result, the bolt 24 of the front leaf 4 begins to disengage from the striker 23 of the rear leaf 3 as shown in FIG. figure 5 . Then, the return springs 29 of each of the two wings 3 and 4 force them to open with a suitable torque.

Sous l'effet de la poussée du ressort de rappel 29 du battant arrière 3, ledit battant arrière 3 continue son mouvement d'ouverture. Le pêne 24 se dégage de la gâche 23.Under the effect of the thrust of the return spring 29 of the rear leaf 3, said rear leaf 3 continues its opening movement. The bolt 24 is released from the striker 23.

Le battant arrière 3 vient en contact de la cuve 1. Tandis que le battant avant 4 reste en contact avec le doigt 12 de déverrouillage.The rear flap 3 comes into contact with the tank 1. While the front flap 4 remains in contact with the unlocking finger 12.

Du fait de la force de rappel exercée par le ressort 29, le battant arrière 3 se retrouve dans une position légèrement entrouverte telle qu'illustrée sur la figure 6.Due to the restoring force exerted by the spring 29, the rear leaf 3 is in a slightly open position as shown in FIG. figure 6 .

Le vérin électrique 31 commandant le doigt électrique 12 revient en position de repos dès que la fin de course dudit vérin électrique 31 est détectée. Ce retour du doigt 12 en position initiale est réalisé par la rentrée de la tige du vérin à l'intérieur du boîtier dudit vérin 31. Le battant avant 4 vient en contact sur le battant arrière 3 lui-même en contact avec la cuve de lavage 1 tel qu'illustré sur la figure 7.The electric cylinder 31 controlling the electric finger 12 returns to the rest position as soon as the end of travel of said electric cylinder 31 is detected. This return of the finger 12 in the initial position is achieved by the retraction of the rod of the cylinder inside the casing of said cylinder 31. The front leaf 4 comes into contact with the rear leaf 3 itself in contact with the washing tub 1 as illustrated on the figure 7 .

Dans une variante du mode de réalisation, le retour du doigt 12 est réalisé par des moyens de rappel élastique tel qu'un ressort hélicoïdal.In a variant of the embodiment, the return of the finger 12 is achieved by elastic return means such as a coil spring.

Simultanément, la détection de fin de course du doigt 12 en position de repos provoque le déblocage des moyens de positionnement 8 du tambour 2 tel qu'illustré dans la position de la figure 8.Simultaneously, the detection of end of stroke of the finger 12 in the rest position causes the unlocking of the positioning means 8 of the drum 2 as illustrated in the position of the figure 8 .

Le doigt 13 est alors libre et peut coulisser dans une gorge ménagée dans une poulie 22 d'entraînement du tambour 2.The finger 13 is then free and can slide in a groove in a pulley 22 driving the drum 2.

Le tambour 2 est alors entraîné en rotation jusqu'à la seconde position telle qu'illustrée à la figure 9.The drum 2 is then rotated to the second position as illustrated in FIG. figure 9 .

Les battants 3 et 4 glissent le long de la virole de la cuve de lavage 1 pendant l'étape de rotation se situant entre la phase de positionnement du tambour 2 en vis-à-vis du moyen d'actionnement 5 du moyen de déverrouillage 20 du battant 4 du tambour 2 et le positionnement du tambour 2 en vis-à-vis de l'ouverture 10 de la cuve 1.The leaves 3 and 4 slide along the ferrule of the washing tub 1 during the step of rotation between the positioning phase of the drum 2 vis-à-vis the actuating means 5 of the unlocking means 20 the flap 4 of the drum 2 and the positioning of the drum 2 vis-à-vis the opening 10 of the vessel 1.

Le tambour 2 est de nouveau bloqué par le doigt 13 qui s'insère dans le second logement de positionnement 19.The drum 2 is again blocked by the finger 13 which fits into the second positioning housing 19.

Les battants 3 et 4 sont entrouverts et en contact avec le pourtour de l'ouverture 10 de la cuve de lavage 1 tel qu'illustrés à la figure 9.The leaves 3 and 4 are ajar and in contact with the periphery of the opening 10 of the washing tub 1 as illustrated in FIG. figure 9 .

Dans une variante du mode de réalisation, le blocage du tambour 2 est réalisé par le battant arrière 3 en prenant appui sur la cuve 1.In a variant of the embodiment, the locking of the drum 2 is achieved by the rear flap 3 while resting on the vessel 1.

L'utilisateur peut à présent accéder à l'intérieur du tambour 2 en ouvrant la porte d'accès 26. Les battants 3 et 4 sont libérés des contraintes exercées par la porte d'accès 26 et peuvent continuer leur ouverture par les moyens de rappel élastique 11.The user can now access the inside of the drum 2 by opening the access door 26. The leaves 3 and 4 are released from the stresses exerted by the access door 26 and can continue their opening by the return means elastic 11.

Grâce à l'invention, on obtient ainsi un dispositif d'ouverture de la porte de tambour 2 permettant de manière automatique d'obtenir le déverrouillage et l'ouverture de la porte du tambour 2 à la fin d'un cycle de lavage.Thanks to the invention, a device for opening the drum door 2 is thus obtained, which automatically allows the unlocking and opening of the drum door 2 to be obtained at the end of a washing cycle.

Ainsi, cette porte de tambour peut être ouverte sans requérir de manipulation de la part de l'utilisateur.Thus, this drum door can be opened without requiring manipulation on the part of the user.

En outre, grâce aux moyens de détection classiques permettant de verrouiller la porte d'accès 26 de la carrosserie, cette ouverture de la porte de tambour 2 peut être réalisée tant que la porte d'accès 26 de la carrosserie est fermée, de telle sorte que l'utilisateur n'a pas accès à cette porte de tambour 2.In addition, thanks to the conventional detection means for locking the access door 26 of the body, this opening of the drum door 2 can be performed as the access door 26 of the body is closed, so that that the user does not have access to this drum door 2.

La détection de la fin du cycle d'ouverture de la porte de tambour 2 donne l'autorisation du déverrouillage de la porte d'accès 26.The detection of the end of the opening cycle of the drum door 2 gives the authorization of the unlocking of the access door 26.

La fermeture de la porte de tambour 2 est compatible avec des moyens classiques de fermeture d'une porte de tambour 2.The closure of the drum door 2 is compatible with conventional means for closing a drum door 2.

Une porte de tambour 2 comprenant un seul battant 4 est adaptée à ce dispositif d'ouverture. L'invention peut être appliquée à une porte à un seul battant 4 étant donné que le principe de fonctionnement est similaire à celui d'une porte de tambour 2 comprenant deux battants 3 et 4.A drum door 2 comprising a single leaf 4 is adapted to this opening device. The invention can be applied to a single leaf door 4 since the operating principle is similar to that of a drum door 2 comprising two leaves 3 and 4.

De plus, l'invention fonctionne quelque soit le sens de rotation du tambour 2, dans la mesure où les moyens d'actionnement 5 du moyen de déverrouillage 20 peuvent situer de part et d'autre de l'ouverture 10 de la cuve 1. A la fin d'un cycle ou sur un ordre d'arrêt, il n'est donc pas nécessaire d'imposer un sens de rotation préalable avant de permettre l'ouverture de porte du tambour rotatif 2.In addition, the invention operates regardless of the direction of rotation of the drum 2, insofar as the actuating means 5 of the unlocking means 20 can locate on either side of the opening 10 of the vessel 1. At the end of a cycle or on a stop order, it is not necessary to impose a direction of rotation before allowing the door opening of the rotary drum 2.

Bien entendu, la présente invention n'est pas limitée aux exemples de réalisation décrits précédemment.Of course, the present invention is not limited to the embodiments described above.

En particulier, les moyens d'actionnement 5 des moyens de déverrouillage 20 des battants 3 et 4 mettant en oeuvre un vérin 31 pourraient être remplacé par d'autres mécanismes permettant le déplacement du doigt 12 et le déverrouillage automatique des battants 3 et 4 du tambour 2.In particular, the actuating means 5 of the unlocking means 20 of the leaves 3 and 4 using a jack 31 could be replaced by other mechanisms allowing the movement of the finger 12 and the automatic unlocking of the wings 3 and 4 of the drum 2.

En outre, les moyens de verrouillage des battants 3 et 4 composés d'un pêne 24 et d'une gâche 23 disposés au centre des battants 3 et 4 peuvent être remplacés par un système de crochets multiples ou unique associés à un bouton poussoir 32 ou une lame ressort et disposés sur les extrémités des battants 3 et 4.In addition, the means for locking the wings 3 and 4 composed of a bolt 24 and a keeper 23 disposed in the center of the leaves 3 and 4 can be replaced by a multiple or single hook system associated with a push button 32 or a blade spring and arranged on the ends of the leaves 3 and 4.

Claims (30)

  1. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door comprising at least one flap (4) having means for opening (11), a tub (1) surrounding the rotating drum (2), an unlatching means (20) disposed upon the flap (4) of the rotating drum (2), a means for actuating (5) the unlatching means (20) of the rotating drum's (2) flap (4) incorporated into the inner surface of the tub (1), a driving means to rotate the rotating drum (2) and a means for opening the tub (1) for accessing the rotating drum (2), characterized in that said apparatus further comprises two means for positioning (8) the rotating drum (2), a first means for positioning (8) allowing the rotating drum (2) to be placed opposite said means for actuating (5) the rotating drum's (2) flap (4), and a second means for positioning (8) allowing the opening (9) of the rotating drum (2) to be placed opposite the opening (10) of the tub (1) after the unlatching means (20) of the rotating drum's (2) flap (4) has been actuated.
  2. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to claim 1, characterized in that the means for actuating (5) the unlatching means (20) are motorized.
  3. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to claim 1 or 2, characterized in that the means for positioning (8) are motorized.
  4. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to one of claims 1 to 3, characterized in that the means for actuating (5) the unlatching means (20) are located on the perimeter of the tub (1) and in the part above the horizontal plane (28) that passes through the rotating drum's (2) axis of rotation (33).
  5. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to claim 4, characterized in that means for piloting the rotating drum (2) make it possible to determine the direction in which said rotating drum (2) rotates.
  6. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to one of claims 1 to 5, characterized in that the door of the rotating drum (2) comprises two flaps (3) and (4).
  7. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to claim 6, characterized in that the two flaps (3) and (4) are installed rotationally around a respective axis (17, 18) joined with the rotating drum (2).
  8. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to claim 6 or 7, characterized in that the means for opening (11) the two flaps (3) and (4) are elastic recall means.
  9. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to one of the preceding claims, characterized in that the front flap (4) comprises means for closing (16) suitable for cooperating with additional means for closing (21) joined with the rear flap (3).
  10. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to claim 9, characterized in that the additional means for closing (21) the rear flap (3) are made up of at least one strike (23).
  11. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to claim 10, characterized in that the means for closing the front flap (4) are made up of at least one bolt (24) suitable for engaging with said strike (23) of the rear flap (3).
  12. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to one of the preceding claims, characterized in that the actuating means (5) acts upon the front flap (4).
  13. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to any one of the preceding claims, characterized in that the actuating means (5) comprises a rod (12) that enters into contact with the unlatching means (20) of the flap (4).
  14. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to any one of the preceding claims, characterized in that the unlatching means (20) of the flap (4) is a button.
  15. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to any one of the preceding claims, characterized in that the positioning means (8) are constituted of only one rod (13), which is electrically controlled.
  16. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to claim 15, characterized in that the rod (13) is moved by back-and-forth motion within a groove built into a pulley (22) driving the rotating drum (2), comprising two recesses (19) corresponding to the rotating drum's (2) two positions.
  17. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to claims 1 to 14, characterized in that the positioning means (8) are provided by a driving means to rotate the rotating drum (2), enabling the immobilization of said rotating drum (2).
  18. An apparatus for opening a horizontal-axis (33) rotating drum's (2) door according to claim 17, characterizing that the driving means to rotate the rotating drum (2) is a direct-drive motor.
  19. A laundry washing and/or drying machine, comprising a rotating drum (2) installed within a washing tub (1), said washing tub (1) being incorporated into a machine body (25), characterized in that it comprises an apparatus for opening a rotating drum's (2) door in accordance with one of claims 1 to 18.
  20. A method for opening the door of a rotating drum (2) of a laundry washing and/or drying machine comprising a washing tub (1), a rotating drum (2) opening (9) comprising at least one flap (4) having means for opening (11), an unlatching means (20) disposed on the rotating drum's (2) flap (4), a means for actuating (5) the unlatching means (20) of the rotating drum's (2) flap (4) incorporated into the inner surface of the tub (1), a driving means to rotate the rotating drum (2), and a means for opening the tub (1) to access the rotating drum (2), characterized in that it comprises the following steps:
    - positioning the rotating drum (2) opposite the means for actuating (5) the unlatching means (20) of the rotating drum's (2) flap (4);
    - unlatching the flap (4) via the means for actuating (5) the unlatching means (20) of the rotating drum's (2) flap (4);
    - rotating and positioning the rotating drum (2) opposite the tub's (1) opening (10), and
    - opening the flap (4) of the rotating drum's (2) door via the means for opening (11) the flap (4).
  21. A method for opening the door of a rotating drum (2) of a laundry washing and/or drying machine according to claim 20, characterized in that the complete opening of the rotating drum's (2) door is performed while opening the machine's main door.
  22. A method for opening the door of a rotating drum (2) of a laundry washing and/or drying machine according to claim 20, characterized that the order to automatically open the rotating drum's (2) door is given by the machine having detected the end of the washing or drying cycle.
  23. A method for opening the door of a rotating drum (2) of a laundry washing and/or drying machine according to any one of claims 20 to 22 , characterized in that the flap (4) is dislodged from the rotating drum (2) during the flap's (4) unlatching phase by the means for actuating (5) the unlatching means (20) of said flap (4) of the rotating drum (2) in order to be opened.
  24. A method for opening the door of a rotating drum (2) of a laundry washing and/or drying machine according to any one of claims 20 to 23 , characterized in that the flap (4) rests upon the tub (1) and slides across said tub (1) during the step of rotation taking place between the phase of positioning the rotating drum (2) opposite the means for actuating (5) the unlatching means (20) of the flap (4) of the rotating drum (2) and the positioning of the rotating drum (2) opposite the opening (10) of the tub (1).
  25. A method for opening the door of a rotating drum (2) of a laundry washing and/or drying machine according to any one of claims 20 to 24 , characterized in that the rotating drum's (2) door comprises two flaps (3) and (4).
  26. A method for opening the door of a rotating drum (2) of a laundry washing and/or drying machine according to any one of claims 20 to 25 , characterized in that an additional step of immobilizing the rotating drum (2) during rotation is combined with the positioning of the rotating drum (2) opposite the means for actuating (5) the unlatching means (20) of the rotating drum's (2) flap (4).
  27. A method for opening the door of a rotating drum (2) of a laundry washing and/or drying machine according to any one of claims 20 to 26 , characterized in that an additional step of immobilizing the rotating drum (2) is inserted between the phase of rotating and positioning the rotating drum (2) opposite the opening (10) of the tub (1) and the phase of opening the flaps (3) and (4) of the rotating drum's (2) door via the elastic recall means (11) of the flaps (3) and (4).
  28. A method for opening the door of a rotating drum (2) of a laundry washing and/or drying machine according to any one of claims 26 or 27 , characterized in that the immobilization of the rotating drum (2) is performed by a rod (13) fitting itself into a recess (19) built into a drive pulley (22) of the rotating drum (2).
  29. A method for opening the door of a rotating drum (2) of a laundry washing and/or drying machine according to any one of claims 20 to 28 , characterized in that the immobilization of the rotating drum (2) is performed by the rear flap (3) coming to rest on the tub (1).
  30. A method for opening the door of a rotating drum (2) of a laundry washing and/or drying machine according to any one of claims 20 to 29 , characterized in that the detection of the end of the opening cycle of the rotating drum's (2) door authorizes the unlatching of the access door (26).
EP06101167A 2005-02-02 2006-02-01 Device and method for a rotating machine with automatic opening of the doors Active EP1688527B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06101167T PL1688527T3 (en) 2005-02-02 2006-02-01 Device and method for a rotating machine with automatic opening of the doors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0501171A FR2881444B1 (en) 2005-02-02 2005-02-02 DEVICE AND METHOD FOR ROTATING MACHINE FOR AUTOMATIC OPENING OF PORTILLONS

Publications (2)

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EP1688527A1 EP1688527A1 (en) 2006-08-09
EP1688527B1 true EP1688527B1 (en) 2010-06-09

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EP06101167A Active EP1688527B1 (en) 2005-02-02 2006-02-01 Device and method for a rotating machine with automatic opening of the doors

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EP (1) EP1688527B1 (en)
AT (1) ATE470746T1 (en)
DE (1) DE602006014743D1 (en)
ES (1) ES2347064T3 (en)
FR (1) FR2881444B1 (en)
PL (1) PL1688527T3 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110130065B (en) * 2018-02-02 2021-08-24 青岛胶南海尔洗衣机有限公司 Top-opening type clothes treatment equipment and cover opening system thereof
CN110130064B (en) * 2018-02-02 2021-08-24 青岛胶南海尔洗衣机有限公司 Top-opening type clothes treatment equipment and cover closing system thereof
JP7049470B2 (en) * 2018-02-02 2022-04-06 青島海爾洗衣机有限公司 Top-loading garment processing equipment and its lid opening / closing system
CN110273261B (en) * 2018-03-16 2022-01-28 上海海尔洗涤电器有限公司 Top-opening clothes treatment equipment and inner cylinder cover operating device thereof
CN108575976B (en) * 2018-04-25 2023-07-18 黄山力神日用品有限公司 Protective casing for electrothermal mosquito-repellent incense liquid
CN112011978A (en) * 2020-10-12 2020-12-01 宁波奥达智能家居有限公司 Cylindrical gear driven drying roller structure

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Publication number Priority date Publication date Assignee Title
DE3346427A1 (en) * 1983-12-22 1985-07-04 Miele & Cie GmbH & Co, 4830 Gütersloh Casing-loadable drum-type washing machine
US5546772A (en) * 1994-05-02 1996-08-20 Whirlpool Corporation Tub door system for a top loading horizontal axis automatic washer
US5448900A (en) * 1994-05-02 1995-09-12 Whirlpool Corporation System for automatically opening basket doors of a top loading horizontal axis automatic washer
US5437168A (en) * 1994-05-02 1995-08-01 Whirlpool Corporation Top loading horizontal axis automatic washer
EP0869213A3 (en) * 1997-03-31 1999-02-03 White Consolidated Industries, Inc. Mid-radius door for a top load horizontal axis washing machine
DE60208991T2 (en) * 2002-11-22 2006-09-14 Candy S.P.A., Monza Drum opening system j for top loading washing machine and / or tumble dryer
US7013682B2 (en) * 2003-05-23 2006-03-21 Equator Corportion Laundry machine door assembly and method

Also Published As

Publication number Publication date
FR2881444A1 (en) 2006-08-04
ES2347064T3 (en) 2010-10-25
ATE470746T1 (en) 2010-06-15
PL1688527T3 (en) 2010-11-30
DE602006014743D1 (en) 2010-07-22
FR2881444B1 (en) 2007-03-02
EP1688527A1 (en) 2006-08-09

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