EP3115495B1 - Washing and/or drying device with a damper - Google Patents

Washing and/or drying device with a damper Download PDF

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Publication number
EP3115495B1
EP3115495B1 EP15197359.1A EP15197359A EP3115495B1 EP 3115495 B1 EP3115495 B1 EP 3115495B1 EP 15197359 A EP15197359 A EP 15197359A EP 3115495 B1 EP3115495 B1 EP 3115495B1
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EP
European Patent Office
Prior art keywords
washing
drying device
supporting piece
connecting region
damper
Prior art date
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Application number
EP15197359.1A
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German (de)
French (fr)
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EP3115495A1 (en
Inventor
Funda Kuru
Mutlu Ersavas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vestel Beyaz Esya Sanayi ve Ticaret AS
Original Assignee
Vestel Beyaz Esya Sanayi ve Ticaret AS
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Publication of EP3115495A1 publication Critical patent/EP3115495A1/en
Application granted granted Critical
Publication of EP3115495B1 publication Critical patent/EP3115495B1/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
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations

Definitions

  • the present invention relates to a washing and/or drying device with a damper, which may be exemplified as a washing machine.
  • washing and/or drying devices such washing machines, drying machines etc. comprise dampers for absorbing motion generated during the operation of the device.
  • One end of said dampers is connected to a part such as a drum, chamber etc. wherein cleaning process is performed and the other end thereof is connected to the base contained in body of the washing and/or drying device.
  • the washing machine disclosed in the prior art document US2007044518A1 comprises a water tank positioned in a body, a damper to support the said water tank, and a damper fixing member to secure the damper on the bottom plate of the body.
  • Said fixing member is formed by cutting of the bottom plate.
  • a connecting region comprised by the said fixing member may deform over time since the damper to which it is connected is subjected to a rotational movement during the movement (i.e. vibration) of the tank (in other words, the position of the connecting region may change). Therefore, various supporting pieces may be used to support the said connecting region.
  • a supporting member which is illustrated in US2005262886A1 , comprises a supporting wall that prevents rotational movement of the connecting region located thereon.
  • the movement of the damper disclosed in US2005262886A1 which is dependent upon the movement of the tank makes the damper strike to the supporting member, thereby making noise.
  • a washing machine comprising a shock-absorber is disclosed.
  • the washing machine also comprises a fork joint in order to connect the shock-absorber to the lower region of a washing tank of the washing machine.
  • a shock-absorbing plate made of resilient material is provided for the connection of the shock-absorber to the lower region for damping the vibration of the shock-absorber.
  • the shock-absorbing plate is placed in a "U" shaped base plate which is made of rubber or some other suitable shock-absorbing material, increases the effect of absorption of the oscillations of the tank that occur during operation of the machine and prevents the movement of the absorber. However this plate prolongs the production duration and increases the production costs.
  • the disclosed washing machine comprises a damper-supporter spaced from the outer case so as to be vibration-isolated therefrom, for supporting one end of the damper connected to the base.
  • the structure of the supporter is complicated and also increases the production costs.
  • the rotational movement of the damper is prevented by means of a fixing assembly comprising a pair of shoulders and a pin.
  • the pin comprised by the fixing assembly can be broken. Therefore, this type of movement prevention will not be long-lasting.
  • a washing and/or drying device comprising at least one body; at least one body base (G) located at that part facing a floor where the body is situated; at least one chamber which is located in the said body and in which stuff is put and washing/wringing/drying processes are performed; and at least one damper (S) which absorbs the movement of the said chamber during the washing/wringing/drying processes, and at least one end of which is connected to the said chamber and at least another end thereof is connected to at least one connecting region (K) provided in the said body base (G) and which is preferably in the form of a flange, wherein said device comprising at least one plastic supporting piece (P), which is independent from said damper (s) and located at said connecting region (K), for preventing strike of the connecting region (K) thereto and making noise during the operation of the washing and/or drying device, which supporting piece (P) is located such that it is in contact with the connecting region (K) of the body base (G) so as to prevent rotational
  • any deformation is prevented to occur over time at the region where the damper of the device is connected to the device while at the same time noise is reduced that may occur due to the use of a piece for preventing deformation, whereby a useful and long-lasting washing and/or drying device is obtained.
  • An object of the present invention is to provide a washing and/or drying device wherein the connecting region connected with an end of the damper therein is prevented from being deformed.
  • Another object of the present invention is to provide a washing and/or drying device wherein noise generated during operation thereof is reduced.
  • a further object of the present invention is to provide a washing and/or drying device wherein the supporting piece therein is independent from the damper therein.
  • Another object of the present invention is to provide a washing and/or drying device wherein the supporting piece therein is robust, useful and low-cost.
  • Yet another object of the present invention is to provide a washing and/or drying device which is economic and long-lasting.
  • Body base Connecting region (K) Damper (S) Supporting piece (P) Rear wall (D1) Side wall (D2) Supporting wall (D3) Lug (T) Protrusion (T1) Hole (B) Detail (A)
  • the washing and/or drying devices such as washing machines and drying machines comprise a damper for absorbing movement/vibration at those parts such as a drum, chamber etc. where washing is performed, which is particularly generated while such processes as washing/wringing/drying are being performed.
  • said damper is connected with the said chamber and at the other end, it is generally connected to the body base of the device.
  • the body base typically comprises a connecting region in order to connect the damper to the said body base.
  • the damper of the washing and/or drying device transfers the movement of the chamber to which it is connected to the said connecting region, during movement absorption, whereby the said connecting region is made subject to rotational movement and deformation over time.
  • a washing and/or drying device comprising a supporting piece independent from the said damper and located at the said connecting region so as to prevent deformation of the said connecting region, in which device noise generated during operation thereof is also reduced.
  • the washing and/or drying device comprises at least one body (not shown); at least one body base (G) located at that part facing a floor where the body is situated; at least one chamber (not shown) which is located in the said body and in which stuff is put and washing/wringing/drying processes are performed; and at least one damper (S) which absorbs the movement of the said chamber during the washing/wringing/drying processes, and at least one end of which is connected to the said chamber and at least another end thereof is connected to at least one connecting region (K) of the said body base (G), which is preferably in the form of flange.
  • the washing and/or drying device also comprises at least one plastic supporting piece (P) for preventing strike of the connecting region (K) thereto and making noise during the operation of the washing and/or drying device, which is preferably located at that part of the connecting region (K) facing the chamber (i.e. at that part facing away from the outer environment where the washing and/or drying device is situated and particularly so as not to be located under such structures as flanges that the connecting regions (K) may include) such that it is in contact with the connecting region (K), so as to prevent rotational movement of the connecting region (K) which may result from the force exerted on the chamber while the damper (S) is absorbing the movement of the chamber.
  • P plastic supporting piece
  • said supporting piece (P) may be located at any side of the connecting region (K).
  • Said supporting piece (P) comprises at least one rear wall (D1) at a certain height which is located at that part facing the connecting region (K), which is preferably in contact with the connecting region (K) and extends so as to move away from the body base (G).
  • Said rear wall (D1) prevents rotational movement of the connecting region (K) while preventing the moment generated by pulling the connecting region (K) towards center of the body base (G) by the damper (S) during the movement of the chamber.
  • said supporting piece (P) comprises at least one lug (T) in order to engage and disengage it from the body base (G).
  • the washing and/or drying device also comprises at least one hole (not shown) for receiving said lug (T). With the said lug (T), montage of the supporting piece (P) on the body is facilitated and any possible montage errors are prevented.
  • the washing and/or drying device may comprise at least another connecting member such as a screw for fixing the said supporting piece (P) on the body base (G) or at least one slide (not shown) so as to prevent the said supporting piece (P) from being fixed on the body base (G) in a reverse manner.
  • the supporting piece (P) comprises at least two lugs (T) made of a flexible material and those ends of the said lugs (T) that are distal to the supporting piece (P) are inclined so as to move away from each other.
  • said lugs (T) are positioned such that they exert power in an opposite direction to the body base (G).
  • the supporting piece (P) is stably fixed on the body and a reliable supporting structure is achieved for the connecting region (K).
  • the lugs (T) comprise at least one protrusion (T1) positioned at that part facing towards the outer environment (i.e.
  • said supporting piece (P) comprises at least one side wall (D2) which is positioned on at least one side of the said rear wall (D1) such that there is preferably a right angle between the rear wall (D1) and the side wall, in order to increase resistance of the supporting piece.
  • an angle between the said rear wall (D1) and the side wall (D2) may be an angle other than a right angle.
  • the supporting piece (P) comprises at least one supporting wall (D3) in order to increase the strength thereof and the said supporting wall (D3) is positioned such that it is preferably perpendicular to the rear wall (D1) and preferably parallel to the side wall (D2).
  • the angle between the said rear wall (D1) and the supporting wall (D3) may be an angle other than a right angle and/or the supporting wall (D3) may be positioned such that there is a certain angle (i.e. larger than 0 deg) between the supporting wall and the side wall (D2).
  • said supporting piece (P) comprises a high mechanical strength material (i.e. thermoplastic and/or composite).
  • the supporting piece (P) includes at least one space (B) in order not to become unnecessarily heavy and also to reduce production cost.
  • the supporting piece (P) provided in the washing device according to the present invention, deformation of the connecting region (K), to which the damper (S) of the washing device is connected, is prevented while any noise that may occur during the operation of the washing device is suppressed though an additional piece is employed.
  • the supporting piece (P) is independent from the damper (S) and the connecting region (K), said pieces upon which load is applied are replaced independent from each other.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Description

    Field of the Invention
  • The present invention relates to a washing and/or drying device with a damper, which may be exemplified as a washing machine.
    • Background Art
  • Nowadays, washing and/or drying devices such washing machines, drying machines etc. comprise dampers for absorbing motion generated during the operation of the device. One end of said dampers is connected to a part such as a drum, chamber etc. wherein cleaning process is performed and the other end thereof is connected to the base contained in body of the washing and/or drying device. The washing machine disclosed in the prior art document US2007044518A1 comprises a water tank positioned in a body, a damper to support the said water tank, and a damper fixing member to secure the damper on the bottom plate of the body. Said fixing member is formed by cutting of the bottom plate. However, a connecting region comprised by the said fixing member may deform over time since the damper to which it is connected is subjected to a rotational movement during the movement (i.e. vibration) of the tank (in other words, the position of the connecting region may change). Therefore, various supporting pieces may be used to support the said connecting region. A supporting member, which is illustrated in US2005262886A1 , comprises a supporting wall that prevents rotational movement of the connecting region located thereon. However, the movement of the damper disclosed in US2005262886A1 which is dependent upon the movement of the tank makes the damper strike to the supporting member, thereby making noise. In another exemplary published document EP 1 783 260 A1 , a washing machine comprising a shock-absorber is disclosed. The washing machine also comprises a fork joint in order to connect the shock-absorber to the lower region of a washing tank of the washing machine. In addition, a shock-absorbing plate made of resilient material is provided for the connection of the shock-absorber to the lower region for damping the vibration of the shock-absorber. Furthermore the shock-absorbing plate is placed in a "U" shaped base plate which is made of rubber or some other suitable shock-absorbing material, increases the effect of absorption of the oscillations of the tank that occur during operation of the machine and prevents the movement of the absorber. However this plate prolongs the production duration and increases the production costs. Additionally in document EP1757724A2 , the disclosed washing machine comprises a damper-supporter spaced from the outer case so as to be vibration-isolated therefrom, for supporting one end of the damper connected to the base. However, the structure of the supporter is complicated and also increases the production costs. In another published document EP2848723A1 , the rotational movement of the damper is prevented by means of a fixing assembly comprising a pair of shoulders and a pin. However, due to force exerted on the damper during rotation of the drum, the pin comprised by the fixing assembly can be broken. Therefore, this type of movement prevention will not be long-lasting. Therefore, when an additional piece is used to connect the dampers to the body (which is also the case in US2007044518A1 and US2005262886A1 ), since the force exerted upon the said supporting piece is high, the size of the said piece is increased so as to increase the strength thereof. In this case, both the production cost is increased and since the size of the damper is increased, the area where it may be connected on the body is restricted.
    • Brief Description of the Invention
  • With the present invention, there is provided a washing and/or drying device comprising at least one body; at least one body base (G) located at that part facing a floor where the body is situated; at least one chamber which is located in the said body and in which stuff is put and washing/wringing/drying processes are performed; and at least one damper (S) which absorbs the movement of the said chamber during the washing/wringing/drying processes, and at least one end of which is connected to the said chamber and at least another end thereof is connected to at least one connecting region (K) provided in the said body base (G) and which is preferably in the form of a flange, wherein said device comprising at least one plastic supporting piece (P), which is independent from said damper (s) and located at said connecting region (K), for preventing strike of the connecting region (K) thereto and making noise during the operation of the washing and/or drying device, which supporting piece (P) is located such that it is in contact with the connecting region (K) of the body base (G) so as to prevent rotational movement of the connecting region (K) which may result from the force exerted on the chamber while the damper (S) is absorbing the movement of the chamber and the supporting piece (P) comprises at least one rear wall (D1) at a certain height which extends at that part facing the connecting region (K) so as to move away from the body base (G) and at least one lug (T) in order to engage and disengage it from the body base (G), and the washing and/or drying device also comprises at least one hole suitable for receiving said lug (T). Thanks to the inventive device, any deformation is prevented to occur over time at the region where the damper of the device is connected to the device while at the same time noise is reduced that may occur due to the use of a piece for preventing deformation, whereby a useful and long-lasting washing and/or drying device is obtained.
    • Object of the Invention
  • An object of the present invention is to provide a washing and/or drying device wherein the connecting region connected with an end of the damper therein is prevented from being deformed.
  • Another object of the present invention is to provide a washing and/or drying device wherein noise generated during operation thereof is reduced.
  • A further object of the present invention is to provide a washing and/or drying device wherein the supporting piece therein is independent from the damper therein.
  • Another object of the present invention is to provide a washing and/or drying device wherein the supporting piece therein is robust, useful and low-cost.
  • Yet another object of the present invention is to provide a washing and/or drying device which is economic and long-lasting.
    • Description of the Drawings
  • Exemplary embodiments of the washing and/or drying device according to the present invention are illustrated in the accompanying drawings, in which:
    • Figure 1 is a side perspective view of a base of the washing and/or drying device according to the present invention and a damper connected with the base.
    • Figure 2 is a view of detail "A" shown in Figure 1.
    • Figure 3 is a front perspective view of a supporting piece of the washing and/or drying device according to the present invention.
  • All the parts illustrated in the figures are individually assigned a reference numeral and the corresponding terms of these numbers are listed as follows:
    Body base (G)
    Connecting region (K)
    Damper (S)
    Supporting piece (P)
    Rear wall (D1)
    Side wall (D2)
    Supporting wall (D3)
    Lug (T)
    Protrusion (T1)
    Hole (B)
    Detail (A)
    • Description of the Invention
  • The washing and/or drying devices such as washing machines and drying machines comprise a damper for absorbing movement/vibration at those parts such as a drum, chamber etc. where washing is performed, which is particularly generated while such processes as washing/wringing/drying are being performed. At one end, said damper is connected with the said chamber and at the other end, it is generally connected to the body base of the device. The body base typically comprises a connecting region in order to connect the damper to the said body base. The damper of the washing and/or drying device transfers the movement of the chamber to which it is connected to the said connecting region, during movement absorption, whereby the said connecting region is made subject to rotational movement and deformation over time. On the other hand, supporting pieces used to reduce/prevent said deformation may generate further noise during said movement. Therefore, with the present invention, there is provided a washing and/or drying device comprising a supporting piece independent from the said damper and located at the said connecting region so as to prevent deformation of the said connecting region, in which device noise generated during operation thereof is also reduced.
  • The washing and/or drying device according to the present invention, as illustrated in figures 1-3, comprises at least one body (not shown); at least one body base (G) located at that part facing a floor where the body is situated; at least one chamber (not shown) which is located in the said body and in which stuff is put and washing/wringing/drying processes are performed; and at least one damper (S) which absorbs the movement of the said chamber during the washing/wringing/drying processes, and at least one end of which is connected to the said chamber and at least another end thereof is connected to at least one connecting region (K) of the said body base (G), which is preferably in the form of flange. The washing and/or drying device according to the present invention also comprises at least one plastic supporting piece (P) for preventing strike of the connecting region (K) thereto and making noise during the operation of the washing and/or drying device, which is preferably located at that part of the connecting region (K) facing the chamber (i.e. at that part facing away from the outer environment where the washing and/or drying device is situated and particularly so as not to be located under such structures as flanges that the connecting regions (K) may include) such that it is in contact with the connecting region (K), so as to prevent rotational movement of the connecting region (K) which may result from the force exerted on the chamber while the damper (S) is absorbing the movement of the chamber. In another preferred embodiment, said supporting piece (P) may be located at any side of the connecting region (K).
    Said supporting piece (P) comprises at least one rear wall (D1) at a certain height which is located at that part facing the connecting region (K), which is preferably in contact with the connecting region (K) and extends so as to move away from the body base (G). Said rear wall (D1) prevents rotational movement of the connecting region (K) while preventing the moment generated by pulling the connecting region (K) towards center of the body base (G) by the damper (S) during the movement of the chamber. According to the invention, said supporting piece (P) comprises at least one lug (T) in order to engage and disengage it from the body base (G). In this embodiment, the washing and/or drying device also comprises at least one hole (not shown) for receiving said lug (T). With the said lug (T), montage of the supporting piece (P) on the body is facilitated and any possible montage errors are prevented. In another preferred embodiment, the washing and/or drying device may comprise at least another connecting member such as a screw for fixing the said supporting piece (P) on the body base (G) or at least one slide (not shown) so as to prevent the said supporting piece (P) from being fixed on the body base (G) in a reverse manner.
  • In another preferred embodiment of the invention, the supporting piece (P) comprises at least two lugs (T) made of a flexible material and those ends of the said lugs (T) that are distal to the supporting piece (P) are inclined so as to move away from each other. In this embodiment, when the supporting piece (P) is fitted to the body base (G), said lugs (T) are positioned such that they exert power in an opposite direction to the body base (G). Thus, the supporting piece (P) is stably fixed on the body and a reliable supporting structure is achieved for the connecting region (K). In this embodiment, the lugs (T) comprise at least one protrusion (T1) positioned at that part facing towards the outer environment (i.e. at that part of the lugs (T) not facing each other). In this embodiment, when the lug (T) is positioned in the said hole, the surface of the said protrusion (T1) facing the body base (G) rests on the body base (G) in order to prevent the supporting piece (P) from being released from the body base (G). In order to release said supporting piece (P) from the body base (G), said flexible lugs (T) are moved so as to come close to each other, and when the protrusion (T1) is released from the body base (G), the supporting piece (P) may be disengaged from the body.
    In another alternative embodiment of the invention, said supporting piece (P) comprises at least one side wall (D2) which is positioned on at least one side of the said rear wall (D1) such that there is preferably a right angle between the rear wall (D1) and the side wall, in order to increase resistance of the supporting piece. In a preferred embodiment, an angle between the said rear wall (D1) and the side wall (D2) may be an angle other than a right angle.
  • In another alternative embodiment of the invention, the supporting piece (P) comprises at least one supporting wall (D3) in order to increase the strength thereof and the said supporting wall (D3) is positioned such that it is preferably perpendicular to the rear wall (D1) and preferably parallel to the side wall (D2). In a preferred embodiment, the angle between the said rear wall (D1) and the supporting wall (D3) may be an angle other than a right angle and/or the supporting wall (D3) may be positioned such that there is a certain angle (i.e. larger than 0 deg) between the supporting wall and the side wall (D2).
  • In another embodiment of the invention, said supporting piece (P) comprises a high mechanical strength material (i.e. thermoplastic and/or composite).
  • In another preferred embodiment of the invention, the supporting piece (P) includes at least one space (B) in order not to become unnecessarily heavy and also to reduce production cost.
  • With the supporting piece (P) provided in the washing device according to the present invention, deformation of the connecting region (K), to which the damper (S) of the washing device is connected, is prevented while any noise that may occur during the operation of the washing device is suppressed though an additional piece is employed. In addition, since the supporting piece (P) is independent from the damper (S) and the connecting region (K), said pieces upon which load is applied are replaced independent from each other.

Claims (13)

  1. A washing and/or drying device comprising at least one body; at least one body base (G) located at that part facing a floor where the body is situated; at least one chamber which is located in the said body and in which stuff is put and washing/wringing/drying processes are performed; and at least one damper (S) which absorbs the movement of the said chamber during the washing/wringing/drying processes, and at least one end of which is connected to the said chamber and at least another end thereof is connected to at least one connecting region (K) provided in the said body base (G), which is preferably in the form of a flange, characterized by comprising at least one plastic supporting piece (P), which is independent from said damper (S) and which is located at said connecting region (K), for preventing strike of the connecting region (K) thereto and making noise during the operation of the washing and/or drying device, which supporting piece (P) is located such that it is in contact with the connecting region (K) of the body base (G) so as to prevent rotational movement of the connecting region (K) which may result from the force exerted on the chamber while the damper (S) is absorbing the movement of the chamber and the supporting piece (P) comprises at least one rear wall (D1) at a certain height which extends at that part facing the connecting region (K) so as to move away from the body base (G) and at least one lug (T) in order to engage and disengage it from the body base (G), and the washing and/or drying device also comprises at least one hole suitable for receiving said lug (T).
  2. A washing and/or drying device according to claim 1, characterized by comprising at least another connecting member for fixing the said supporting piece (P) on the body base (G).
  3. A washing and/or drying device according to claim 1, characterized by comprising at least one slide for fixing the said supporting piece (P) on the body base (G).
  4. A washing and/or drying device according to claim 1, characterized in that the supporting piece (P) comprises at least two lugs (T) made of a flexible material.
  5. A washing and/or drying device according to claim 4, characterized in that those ends of the said lugs (T) that are distal to the supporting piece (P) are inclined so as to move away from each other.
  6. A washing and/or drying device according to claim 5, characterized in that the lugs (T) comprises at least one protrusion (T1) positioned at that part facing towards the outer environment.
  7. A washing and/or drying device according to claim 1, characterized in that said supporting piece (P) comprises at least one side wall (D2) which is positioned on at least one side of the said rear wall (D1) in order to increase resistance of the supporting piece.
  8. A washing and/or drying device according to claim 7, characterized in that the side wall (D2) is positioned such that there is a right angle between the rear wall (D1) and the side wall.
  9. A washing and/or drying device according to claim 1, characterized in that the supporting piece (P) comprises at least one supporting wall (D3) in order to increase the strength thereof.
  10. A washing and/or drying device according to claim 1, characterized in that the supporting piece (P) comprises at least one supporting wall (D3) in order to increase the strength thereof.
  11. A washing and/or drying device according to claim 10, characterized in that said supporting wall (D3) is positioned such that it is perpendicular to the rear wall (D1).
  12. A washing and/or drying device according to claim 9, characterized in that the supporting wall (D3) is parallel to the side wall (D2).
  13. A washing and/or drying device according to claim 1, characterized in that the supporting piece (P) includes at least one space (B).
EP15197359.1A 2015-07-10 2015-12-01 Washing and/or drying device with a damper Active EP3115495B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR201508649 2015-07-10

Publications (2)

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EP3115495A1 EP3115495A1 (en) 2017-01-11
EP3115495B1 true EP3115495B1 (en) 2018-08-08

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP4400642A1 (en) * 2023-01-12 2024-07-17 BSH Hausgeräte GmbH Washing machine with improved shock absorber fixation and process for its manufacture

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