EP2336416B1 - Appareil domestique avec stabilité de support améliorée - Google Patents

Appareil domestique avec stabilité de support améliorée Download PDF

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Publication number
EP2336416B1
EP2336416B1 EP09179191A EP09179191A EP2336416B1 EP 2336416 B1 EP2336416 B1 EP 2336416B1 EP 09179191 A EP09179191 A EP 09179191A EP 09179191 A EP09179191 A EP 09179191A EP 2336416 B1 EP2336416 B1 EP 2336416B1
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EP
European Patent Office
Prior art keywords
tubular body
household appliance
ring
head
piston
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.)
Not-in-force
Application number
EP09179191A
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German (de)
English (en)
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EP2336416A1 (fr
Inventor
Marco Rigo
Fabio Poloni
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Electrolux Home Products Corp NV
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Electrolux Home Products Corp NV
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Publication date
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP09179191A priority Critical patent/EP2336416B1/fr
Publication of EP2336416A1 publication Critical patent/EP2336416A1/fr
Application granted granted Critical
Publication of EP2336416B1 publication Critical patent/EP2336416B1/fr
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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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D06F39/125—Supporting arrangements for the casing, e.g. rollers or legs

Definitions

  • the height of the feet is adjustable, in order to compensate any irregularity and/or non-perfect flatness of the floor on which the household appliance is put in place; in fact it is very important that all the four feet are properly rest on the ground, in order to avoid household appliance's instability that could lead, particularly if this contain self-movable parts, such as in the case of a washing machine, at high oscillations resulting in production of noise and/or possible malfunction or damaging the household appliance itself.
  • Support feet for household appliances comprising a ferrule that consists of a base, usually frusto-pyramidal, whose lower base projects approximately perpendicularly, a stem, externally threaded, insertable into a hole obtained in the bottom of the household appliance's casing, usually proximate to a corner thereof; the stem of the ferrule is fixable to such bottom through a nut that is screwed on its stem from the opposite side with respect to the base, so to clamp the bottom tight between the nut and the base.
  • a cylindrical hole is provided, internally threaded, in which there is screwed a second stem, cylindrical and externally threaded, at one end of which, protruding from the ferrule, there is associated a foot, usually cylindrical or prismatic and made of plastic, adapted to rest on the ground; the foot adjustment is achieved by screwing or unscrewing the second stem with respect to the ferrule, so to cause it to project from the ferrule to a desired extent.
  • the adjustment of some of the support feet can be difficult, if not impossible, for example when the household appliance is inserted in a piece of furniture, or when it is positioned in a corner of a building, because in these conditions, one or more feet can no longer be accessible for adjustment.
  • Support feet are also known, called self-levelling, which can automatically adjust their height to fit the specific shape of the floor on which the household appliance is placed, thereby ensuring their stable ground contact.
  • one of these self-levelling feet of known type is fixed at a corner of the bottom of a household appliance, and three manually adjustable feet, for example of the type described above, are associated with the other three corners of this bottom.
  • an adjustment of the three manually adjustable feet is typically carried out, in such a way to define a desired support plane to the ground passing through the support points of such three feet; once the household appliance is standing on the floor, the three manually adjustable feet come into contact with the ground according to the predetermined support plane defined by them, and the self-levelling support foot automatically adjusts its height to come into contact with the ground, thereby ensuring a stable support to the household appliance.
  • FIG. 1 An example of a known type self-levelling support foot is for example depicted in Figure 1 , and is indicated as a whole with number 1; this self-levelling support foot 1 includes a tubular body, cylindrical and hollow, closed at a first end 3 by a cover 4.
  • the second end 5 of the tubular body 2 is closed by a base 6, nearly flat, perpendicularly and axially to which a ferrule 7 projects, externally threaded, in which a through hole 8 is obtained, which connects the interior of the tubular body 2 with the outside.
  • the fixing of the tubular body 2 to the bottom 9 of a household appliance is made by inserting the tubular body 2 into the latter, and by causing the ferrule 7 to project from a dedicated opening obtained in the bottom 9, so as to be able to tighten thereon a nut 10, adapted to achieve a tight clamp between the bottom 9 of this nut 10 and the base 6 of the tubular body 2.
  • a piston 11 is slidably associated within the tubular body 2, the piston being made of a cylindrical stem 12, from the end of which facing the base 6 a ring-shaped appendix 13 radially projects, shaped substantially like a truncated cone having its lateral inclined surface 13a facing the cover 4.
  • a ring 14 shaped like a truncated cone, placed with its lateral inclined surface 14a facing the ring-shaped appendix 13; between the ring 14 and the appendix 13 a ring-shaped gasket is arranged, the gasket being an O-ring type gasket made of elastically deformable plastic, and being indicated with number 15.
  • a coil spring 16 is interposed, coaxial to the stem 12, adapted to push the ring 14, and thus, via the ring-shaped gasket 15, also the piston 11, toward the base 6.
  • the piston 11 has a hole 17, formed axially from its free end facing the base 6, and internally threaded; inside the hole 17 there is screwed, after the fastening of the tubular body 2 to the bottom 9 of the household appliance, a counter-threaded stem 18, which, in use, projects externally from the ferrule 7; the free end of the stem 18 is associated with a foot 19, made of plastic, adapted to rest on the ground.
  • the protrusion extent of the stem 18 from the piston 11 can be adjusted by screwing the stem 18 within the hole 17, so as to allow a manual pre-adjustment of the maximum height of the self-levelling support foot 1.
  • damping effect of the sudden stresses performed by these known feet may be ineffective, being linked to the mutual movement of the ring and the piston, which may be subject to binding, especially in the case of very sudden stresses and/or in the presence of high mechanical clearances between these components.
  • such self-levelling support feet of known type contain parts that rub against each other in dry condition, which could result in a wear of the same parts, and can reduce the lifetime of the support foot, particularly in the case of household appliances subject to high mechanical stresses, such as washing machines.
  • a known type of stabilizer device adapted to stabilize the abutment on the ground of a piece of furniture, e.g. in case of non-uniformity in the length of its legs or in case of abutment on an uneven surface, is shown in the U.S. patent No. U.S. 2,775,849 , which describes a stabilizing device for furniture comprising a shell, slidably associated within a dedicated housing, that can be formed in or mounted to a piece of furniture, and an elastic means, such as a coil spring, which pushes the shell out of the housing.
  • the shell moves toward the housing at a speed controlled through appropriate means such as a mechanism consisting of a piston and a cylinder, in which the fluid contained in the cylinder can leak out slowly beyond the piston; in the specific case the cylinder is formed by the shell, inside which the piston slide, the shell being filled by a suitable fluid.
  • appropriate means such as a mechanism consisting of a piston and a cylinder, in which the fluid contained in the cylinder can leak out slowly beyond the piston; in the specific case the cylinder is formed by the shell, inside which the piston slide, the shell being filled by a suitable fluid.
  • US3144234 discloses a device for increasing the stability of an article of furniture comprising, a cylinder having a bottom open end; a piston slidable in the cylinder and extending downwardly through and beyond the bottom open end; and hydraulic means in the cylinder cooperating with the piston for hydraulicaliy damping the movement of the cylinder with respect to the piston.
  • US3191895 which is considered as the closest prior art, discloses a stabilizing leg comprising a cylinder, a first piston mounted within the cylinder, a second piston mounted within the cylinder, the first and second pistons and the cylinder forming separate chambers having an incompressible fluid therein, spring means within the cylinder for biasing the second piston in a first direction relative to the cylinder, control means permitting free flow of fluid between the chambers upon movement of the second piston in the first direction for causing a first predetermined relative movement between the cylinder and the first piston, the control means restricting fluid flow between the cambers upon relative movement between the first piston and the cylinder opposite to the first predetermined relative movement for causing fluid in one of the chambers to oppose such opposite movement.
  • US2823915 a wheel suspension for vehicles, which includes suspension springs means for supporting the chassis of the vehicle upon the wheel mounting, a shock absorber of the direct acting telescoping type adapted to damp and cushion the relative movements of the chassis and wheel mounting without contributing in any substantial way to the support of the chassis.
  • US3550405A discloses an automatic clothes washer having a supporting structure with four legs, two of which comprise rigid members, and two comprise pistons reciprocally positioned within downwardly opening cylinders rigidly secured to the structure.
  • a pressure equalization conduit interconnects the cylinders above the pistons thereby to equalize the force exerted on the pistons regardless of their differing relative extended lengths caused by unevenness of the supporting surface.
  • US2823975 discloses a washing machine with four feet one of which is provided with a self-leveling mechanism, comprising hydraulic stabilizer.
  • the aim of the present invention is therefore to obtain a household appliance capable of automatically adapting to any irregularity of the surface on which the same is placed when in use, so as to achieve a stable standing on this surface, and, at the same time, maintaining production costs limited.
  • Another object of the present invention is to obtain a household appliance that maintains a stable position on the ground also in the event of sudden mechanical stresses acting thereon.
  • the self-levelling foot comprising a tubular body to which there is slidably associated a piston which is kept pressed towards the outside of the tubular body, so as to constantly rest on the ground, by the action of the thrust exerted by a pressurized gas contained in the tubular body, and whose movement within the piston is damped by the action of a liquid contained in the piston, it is possible to achieve a safe and stable rest on the ground for this household appliance even in case of irregularities in the shape of the floor on which it is positioned, and even in the presence of sudden mechanical stresses applied to the household appliance, while maintaining production costs relatively limited.
  • the gas is contained within the tubular body in contact to the first end thereof, and the liquid is contained in the region of the tubular body that is comprised between the sealing means and the gas.
  • the leakage means comprise one or more channels, obtained in the head in order to put in fluid communication the surface thereof facing the first end of the tubular body, and the surface of the head turned towards the second end of the tubular body.
  • the leakage means comprise an interstice defined between the external lateral surface of the head and the inner lateral surface of the tubular body, adapted to the leakage of fluid.
  • the head may include a ring-shaped gasket inserted in a ring-shaped groove obtained in the lateral surface of the head, and radially protruding from the ring-shaped groove so as to abut against the inner lateral surface of the tubular body, accomplish the sealing therewith; in such a case the leakage means comprise conveniently one or more through openings obtained in the ring-shaped gasket, that are able to allow the desired leakage of the fluid.
  • the gas pressure is such that the force acting on the piston directed towards the outside of the tubular body is approximately equal to the fraction of the weight of the household appliance which, in use, loads the self-levelling support foot.
  • the fixing means comprise a ferrule, externally threaded, fixed coaxially to the external surface of the tubular body in proximity of the second end thereof, from the external lateral surface of the ferrule a ring-shaped appendix protruding radially, the ring-shaped appendix being arranged in such a way that at least a section of the threaded external lateral surface of the ferrule is placed between the ring-shaped appendix and the first end of the tubular body, the ferrule being placed, in use, within a hole obtained in the bottom of the casing, in such a way that the ring-shaped appendix abuts against the external surface of the bottom, and that the section of the external lateral surface of the ferrule is placed at least partially within the external casing.
  • the fixing means also include a nut, which can be screwed onto the section of the threaded external lateral surface of the ferrule, so as to clamp the bottom between the nut and the ring-shaped appendix.
  • the fixing means include a welding and/or an adhesive, applied on the interface between the tubular body and the bottom, so as to integrally connect them.
  • a household appliance may be for example a washing machine, a dryer, a washer/dryer, a dishwasher, a refrigerator, a freezer, etc.
  • the household appliance 101 comprises an external casing 102, substantially parallelepiped in shaped and preferably made of sheet metal, with a bottom 103, approximately flat, which plan is opportunely square or rectangular.
  • the bottom 103 may include one or more brackets, not shown in the attached Figures, preferably metallic and preferably with an approximately rectangular plan, mounted below a metal box, also not shown, typically rectangular and hollow, which forms the body of the external casing 102.
  • the self-levelling support foot 104 includes a hollow tubular body 107, closed at a first end 108 thereof and open at its second end 109, positioned, in use, at least partially within the external casing 102, and fixed to the bottom 103 thereof proximate to the second end 109.
  • the tubular body 107 is fixed to the bottom 103 by suitable fixing means, which will be described in the following.
  • a piston 110 provided with a head 111 slidably associated with the inner lateral surface 112 of the tubular body 107; opportunely, the head 111 is provided with a ring-shaped gasket 113, preferably of the O-ring type, inserted in a groove formed in the lateral surface of the head 111 and protruding radially from such ring-shaped groove so as to abut the inner lateral surface 112, realizing the sealing therewith.
  • a stem 114 projects from the head 111, the stem 114 protruding at least partially from the second end 109 of the tubular body 107, so as to protrude outside the bottom 103 of the external casing 102 of the household appliance 101.
  • a foot 115 preferably cylindrical or prismatic and made of plastic, able to rest, in use, on the floor 105.
  • sealing means adapted to prevent the leakage of liquid and/or gas from the tubular body 107;
  • sealing means comprise, for example, one or more gaskets and/or sealing rings and/or thrust bearings, indicated as a whole with the number 116, associated with the second end 109 of the tubular body 107 and configured so as to allow the sliding therethrough of the stem 114, while blocking the passage of liquid and/or gas.
  • a gas indicated by the number 117, with pressure above the atmospheric pressure; the gas 117 can advantageously be, for example, nitrogen.
  • the effect of the gas 117 is to establish within the tubular body 107 a pressure higher than the atmospheric pressure, thus generating a force on the piston 110 that tends to push it out of the tubular body 107.
  • a liquid numbered 118 in Figure 3 , which may be, for example, mineral oil.
  • the effect of the liquid 118 is to reduce the acceleration of the piston 110 within the tubular body 107, so as to dampen any sudden stresses that may affect the household appliance 101.
  • the positioning of gas 117 and liquid 118 within the tubular body 107 is such that the head 111 of the piston 110 is constantly immersed in the liquid 118.
  • the head 111 there are leakage means adapted to allow the head 111 to be passed through by the liquid 118 during the translation of the head 111, with a simultaneous dampening effect on the motion of the head 111 within the tubular element 107, as will be explained in the following.
  • leakage means include one or more channels 119 obtained in the head 111 in order to realize a fluid connection between the surface of the head 111 which is oriented towards the first end 108 of the tubular body 107 with the surface of the head 111 which is oriented towards the second end 109 of the tubular body 107.
  • these leakage means may include one or more through openings, obtained in the ring-shaped gasket 113, adapted to enable the leakage of fluid 118.
  • the seal ring 113 is not present, and the leakage means advantageously comprise a narrow gap defined between the outer lateral surface of the head 111 and the inner lateral surface 112 of the tubular body 107, through which the liquid 118 can leak out.
  • the pressure of the gas 107 and of the liquid 118 is the same; since the area of the surface of the head 111 which is oriented towards the first end 108 of the tubular body 107 (which is essentially circular) is wider than the area of the surface of the head 111 which is oriented towards the second end 109 of the tubular body 107 (which is basically an annulus, due to the presence of the stem 114), and since both these surfaces are in contact with the liquid 118, a force acts on the head 111 (substantially equal to the product of the fluid pressure by the difference between the two areas mentioned above) which tends to constantly push the piston 110 towards the outside of the tubular body 107.
  • the pressure of the gas 117 is determined, preferably during the production phase, so that the force acting on the piston 110 and directed outwards the tubular body 107 is approximately equal to the fraction of the weight of the household appliance 101 that, in use, acts on the self-levelling support foot 104; in the embodiment shown in the attached figures, where there are four feet one of which is self-levelling, the pressure of the gas 117 is then preferably fixed such that the force acting on the piston 110 and directed outwards the tubular body 107 is equal to about one quarter of the household appliance's weight 101.
  • the liquid 118 may pass beyond the head 111 through the leakage means and thus, in the embodiment illustrated in Figures 2 and 3 , through the channels 119; because of their small size, these channels 119 allow the passage of a small quantity of liquid 117 per unit time, thus limiting the acceleration of the piston 110.
  • the resulting effect is a damping of the stresses that tend to cause sudden mutual displacements between the piston 110 and the tubular body 107.
  • said fixing means adapted to fix the tubular body 107 to the bottom 103 of the casing 102 of the household appliance 101 advantageously comprise an externally threaded ferrule 120 fixed coaxially to the external surface 121 of the tubular body 107, for example by gluing, near its second end 109.
  • ring-shaped appendix 122 radially projects, the appendix 122 being arranged so that at least a section 120a of the threaded outer lateral surface of the ferrule 120 is positioned between said ring-shaped appendix 122 and the first end 108 of the tubular body 107.
  • the ferrule 120 is positioned, in use, within a hole 123 formed at the bottom 103 of the casing 102 of the household appliance 101, so that the ring-shaped appendix 122 abuts the external surface of the bottom 103, and the section 120a of the external lateral surface of the ferrule 120 is positioned at least partially within the external casing 102.
  • Such fixing means also include a nut 124 which can be screwed onto the section 120a of the threaded external lateral surface of the ferrule 120 so as to clamp tight the bottom 103 between the nut 124 and the ring-shaped appendix 122.
  • the fixing of the self-levelling support foot 104 according to the invention to the bottom 103 of the household appliance 101 involves only two phases (insertion of the tubular body 107 into the external casing 102 and fastening of the nut 124 to the ferrule 120), compared to the three steps necessary to the mounting to the bottom of the household appliance of the self-levelling support foot of known type shown and described with reference to the attached Figure 1 ; the fastening of the self-levelling support foot 104 according to the invention to the bottom 103 of the household appliance 101 is thus faster than the prior art cited above, resulting in lower production costs of the household appliance 101.
  • said fixing means may comprise, for example, a weld or an adhesive, applied at the interface between the tubular body 107 and the bottom 103, so as to firmly connect them.
  • the pre-adjustment of the height of the three adjustable feet 106 may be performed manually prior to the placement in operation of the household appliances 101, so as to define a desired support surface on the floor 105 passing through the abutment points of these three feet 106; once the household appliance 101 is placed on the floor 105, the three manually adjustable feet 106 come into contact with the floor 105, according to the preset support plane defined by them.
  • the stem 114 of the piston 110 of the self-levelling support foot 104 is kept pressed toward the outside of the tubular body 107, so that the foot 115 at the free end of the stem 114 abuts the floor 105 even if the support point of such foot 115 falls outside the support plane defined by the three manually adjustable feet 105, thereby ensuring the stability of the support of the household appliance 101.
  • the invention has achieved the proposed aim and objects, having provided a household appliance which, thanks to the presence of at least one self-levelling support foot according to the invention, maintains a safe and stable standing on the ground even in case of irregularities in the conformation of the floor on which it is leaned, and even in presence of sudden mechanical stresses applied to the household appliance, while keeping the production costs reduced.
  • the fixing of the self-levelling support foot according the invention to the bottom of a household appliance is easy and quick, thereby reducing the production costs of the household appliance compared to the mentioned prior art solutions.
  • the self-levelling support foot thanks to the presence of the liquid that surrounds the head of the piston and the leakage means, can very effectively dampen any sudden stress to which the household appliance can be exposed.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Chairs Characterized By Structure (AREA)

Claims (9)

  1. Appareil domestique (101), comprenant un boîtier externe (102) pourvu d'un fond (103) auquel au moins un pied de support d'auto-nivellement (104) est associé, dans lequel le pied de support d'auto-nivellement (104) comprend un corps tubulaire creux (107), fermé à une première extrémité (108) de celui-ci et ouvert à une deuxième extrémité (109) de celui-ci, fixé sur ledit fond (103) par des moyens de fixation (120, 124), un piston (110) étant associé de manière à pouvoir coulisser au dit corps tubulaire (107), le piston faisant au moins partiellement saillie de la deuxième extrémité (109), de manière à faire saillie du fond (103) vers l'extérieur, un moyen d'étanchéité (116) étant associé à ladite deuxième extrémité (109) dudit corps tubulaire (107) apte à empêcher le déversement de liquide et/ou de gaz dudit corps tubulaire (107), ledit corps tubulaire (107) comprenant un liquide (118), apte à amortir le coulissement dudit piston (110) par rapport au dit corps tubulaire (107), dans lequel ledit piston comprend une tête (111), associée de manière à pouvoir coulisser à l'intérieur dudit corps tubulaire (107), de laquelle une tige (114) se projette, en faisant au moins partiellement saillie de ladite deuxième extrémité (109) du corps tubulaire (107), ladite tête (111) étant pourvue d'un moyen de fuite (119) permettant au dit liquide (118) de la traverser au cours de sa translation, avec un effet d'amortissement simultané sur le déplacement de ladite tête (111) à l'intérieur dudit élément tubulaire (107), caractérisé en ce que ledit corps tubulaire (107) contient un gaz (117), à une pression supérieure à la pression atmosphérique, apte à établir une pression prédéterminée à l'intérieur dudit corps tubulaire (107) afin de pousser ledit piston (110) vers l'extérieur, l'agencement dudit gaz (117) et dudit liquide (118) à l'intérieur dudit corps tubulaire (107) étant tel que ladite tête (111) est constamment immergée dans ledit liquide (118).
  2. Appareil domestique selon la revendication 1, caractérisé en ce que ledit gaz (117) est contenu dans ledit corps tubulaire (107) en contact avec ladite première extrémité (108) de celui-ci, et en ce que ledit liquide (118) est contenu dans la région dudit corps tubulaire qui est comprise entre le moyen d'étanchéité (116) et ledit gaz (117).
  3. Appareil domestique selon la revendication 2, caractérisé en ce que ledit moyen de fuite comprend un ou plusieurs canaux (119), obtenus dans ladite tête (111) afin de mettre la surface de celle-ci faisant face à la première extrémité (108) dudit corps tubulaire (107) en communication fluidique avec la surface de la tête (111) tournée vers la deuxième extrémité (109) dudit corps tubulaire (107).
  4. Appareil domestique selon la revendication 2, caractérisé en ce que ledit moyen de fuite comprend un interstice défini entre la surface latérale externe de ladite tête (111) et la surface latérale interne (112) dudit corps tubulaire (107), adapté à la fuite dudit liquide (118).
  5. Appareil domestique selon la revendication 2 ou 3, dans lequel ladite tête (111) comprend un joint annulaire (113) inséré dans une rainure annulaire obtenue dans la surface latérale de ladite tête (111), et faisant saillie radialement de ladite rainure annulaire, afin de venir en butée contre la surface latérale interne (112) dudit corps tubulaire (107), en accomplissant l'étanchéité avec celle-ci, caractérisé en ce que ledit moyen de fuite comprend une ou plusieurs ouvertures traversantes, obtenues dans ledit joint annulaire (113), qui sont aptes à permettre la fuite souhaitée dudit liquide (118).
  6. Appareil domestique selon une ou plusieurs des revendications précédentes, caractérisé en ce que la pression dudit gaz (117) est telle que la force agissant sur ledit piston (110) dirigée vers l'extérieur dudit corps tubulaire (107) est approximativement égale à la fraction du poids de l'appareil domestique (101) qui, en utilisation, charge le support d'auto-nivellement (104).
  7. Appareil domestique selon une ou plusieurs des revendications précédentes, caractérisé en ce que les moyens de fixation (120, 124) comprennent un embout fileté à l'extérieur (120), fixé de manière coaxiale sur la surface externe (121) dudit corps tubulaire (107) à proximité de ladite deuxième extrémité (109) de celui-ci, un appendice annulaire (122) faisant saillie de la surface latérale externe de l'embout (120), agencé de sorte qu'au moins une section (120a) de la surface latérale externe filetée de l'embout (120) soit placée entre l'appendice annulaire (122) et la première extrémité (108) du corps tubulaire (107), ledit embout (120) étant placé, en utilisation, à l'intérieur d'un trou (123) obtenu dans le fond (103) dudit boîtier externe (102), de sorte que ledit appendice annulaire (122) vienne en butée contre la surface externe du fond (103), et de sorte que ladite section (120a) de la surface latérale externe de l'embout (120) soit placée au moins partiellement à l'intérieur du boîtier externe (102).
  8. Appareil domestique selon la revendication 7, caractérisé en ce que les moyens de fixation (120, 124) comprennent un écrou (124) qui peut être vissé sur ladite section (120a) de ladite surface latérale externe filetée dudit embout (120) afin de serrer ledit fond (103) entre l'écrou (124) et ledit appendice annulaire (122).
  9. Appareil domestique selon une ou plusieurs des revendications précédentes, caractérisé en ce que les moyens de fixation comprennent une soudure et/ou un adhésif, appliqué sur l'interface entre ledit corps tubulaire (107) et ledit fond (103) afin de les relier de manière solidaire.
EP09179191A 2009-12-15 2009-12-15 Appareil domestique avec stabilité de support améliorée Not-in-force EP2336416B1 (fr)

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EP2336416A1 EP2336416A1 (fr) 2011-06-22
EP2336416B1 true EP2336416B1 (fr) 2013-02-20

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WO2017177528A1 (fr) * 2016-04-13 2017-10-19 青岛海尔洗衣机有限公司 Dispositif de mise à niveau pour appareil électrique domestique et appareil électrique domestique le comportant
CN107558113A (zh) * 2016-06-30 2018-01-09 青岛海尔洗衣机有限公司 一种自调平洗衣机

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CN105755750B (zh) * 2016-04-13 2024-04-02 青岛海尔洗衣机有限公司 具有自动调平功能的洗衣机底脚及洗衣机
CN107588290B (zh) * 2016-07-08 2020-05-22 青岛海尔洗衣机有限公司 一种家用电器
CN108278449B (zh) * 2017-01-06 2021-01-26 青岛海尔洗衣机有限公司 一种家用电器用底脚及家用电器

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US2775849A (en) * 1953-07-16 1957-01-01 Frank W Ingram Furniture stabilizing device
US2823975A (en) * 1954-04-05 1958-02-18 Apex Electrical Mfg Co Washing machine
US3144234A (en) * 1961-09-08 1964-08-11 Artmann Kurt Support structure for furniture and the like
US3191895A (en) * 1963-03-06 1965-06-29 Gen Motors Corp Platform stabilizer
FR1365427A (fr) * 1963-05-20 1964-07-03 Dispositif de réglage en hauteur, notamment pour sièges
US3550405A (en) * 1968-11-26 1970-12-29 Gen Electric Positive fill control and weight distribution system for an automatic washer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017177528A1 (fr) * 2016-04-13 2017-10-19 青岛海尔洗衣机有限公司 Dispositif de mise à niveau pour appareil électrique domestique et appareil électrique domestique le comportant
CN107558113A (zh) * 2016-06-30 2018-01-09 青岛海尔洗衣机有限公司 一种自调平洗衣机
CN107558113B (zh) * 2016-06-30 2021-04-27 青岛海尔洗衣机有限公司 一种自调平洗衣机

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