EP3895596B1 - Höhenverstellvorrichtung für regale von geräten - Google Patents

Höhenverstellvorrichtung für regale von geräten Download PDF

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Publication number
EP3895596B1
EP3895596B1 EP20169298.5A EP20169298A EP3895596B1 EP 3895596 B1 EP3895596 B1 EP 3895596B1 EP 20169298 A EP20169298 A EP 20169298A EP 3895596 B1 EP3895596 B1 EP 3895596B1
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EP
European Patent Office
Prior art keywords
cam surface
locking element
height
adjusting device
biasing
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
EP20169298.5A
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English (en)
French (fr)
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EP3895596A1 (de
Inventor
Nicola SARTORI
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Illinois Tool Works Inc
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Illinois Tool Works Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Priority to PL20169298.5T priority Critical patent/PL3895596T3/pl
Priority to EP20169298.5A priority patent/EP3895596B1/de
Priority to PCT/US2021/025952 priority patent/WO2021211327A1/en
Publication of EP3895596A1 publication Critical patent/EP3895596A1/de
Application granted granted Critical
Publication of EP3895596B1 publication Critical patent/EP3895596B1/de
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/50—Racks ; Baskets
    • A47L15/504—Arrangements for changing the height of racks

Definitions

  • the present invention generally relates to the field height-adjusting devices for shelves of appliances, and in particular, to height-adjusting devices for dishwasher racks.
  • Electric household appliances such as dishwashers and refrigerators may be provided with shelves which are adjustable heightwise.
  • domestic dishwashers are typically provided with racks intended to receive the dishes to be washed.
  • the racks can usually be extracted laterally in order to allow loading and unloading of the dishes.
  • Dishwashers may also be provided with devices for adjusting the vertical position of the racks, this function being useful for optimising the arrangement of the load.
  • One example of an effective solution realising such kind of device is described on document EP3387981A1 .
  • a multilevel adjusting system is provided that works without any locking and unlocking component(s) that require activation by a user and where different stable vertical positions are reached by simply grabbing and pulling the rack upwards until the adjusting system autonomously locks onto and unlocks from each one of the different levels.
  • the relative position of the pivotable locking element (latch) of the adjusting device disclosed in document EP3387981A1 is determined by the mutual position between its centre of gravity (CoG) and its free rotation axis, and the movement from a first stable position to a second stable position is simply controlled by the locking element's weight force acting on the CoG around its free rotation axis.
  • the locking element's weight force acting on the CoG around its free rotation axis Considering the relatively small dimension of the locking element and its relatively low weight, it is possible, or even likely, that accumulated dirt within the adjusting device (e.g. residuals from food, such as fat, or detergent) and/or the water itself (i.e. the water surface tension when the latch is wet) can affect the latch's mobility, as well as, its position, for example, by "gluing" the latch to any of the other components of the system.
  • an object of the present invention to provide an improved vertical position adjusting device (i.e. height adjusting) for shelves of appliances, in particular, for dishwasher racks, with a self-actuating locking/unlocking function (i.e. no manual user interaction other than moving the shelf up or down) for moving and locking a shelf into different height levels, and that is optimised to minimise or prevent malfunction caused by accumulated dirt or water surface tension.
  • a self-actuating locking/unlocking function i.e. no manual user interaction other than moving the shelf up or down
  • a height-adjusting device for shelves of appliances comprising:
  • the toggleable biasing member is adapted to force the locking element towards and into operable engagement with a respective cam surface once its pin has passed the toggle point (i.e. the plane defined by the first (B) and second (C) pivot axis) by releasing the energy temporarily stored in the biasing element (from movement of the shelf by the user).
  • the present invention provides the advantage of providing an audible feedback to the user when moving into any one of the two stable positions (the engaged or disengaged position), i.e. when the biasing element toggles from one side to the other, the then released biasing force will audibly snap the locking element into engagement with a respective cam surface.
  • the present invention provides a simplified mechanism that is more robust and easier to use.
  • said first cam surface may comprise a plurality of locking seats spaced apart along said first cam surface, each one is configured to lockingly engage with said pin of said locking element when in said engaged position.
  • said first cam surface may further comprise a plurality of inclined surfaces, each one situated vertically above a respective one of said plurality of locking seats, configured to slidingly engage with said pin of said locking element when moving said bracket member towards said top position, during use.
  • said bracket member may further comprise an upper stop member adapted to bear against said upper edge of said support member when in said bottom position.
  • said support member may further comprise an auxiliary vertical guide slidably coupleable with an auxiliary bracket member.
  • said biasing member may be a torsion spring, formed by at least one coil having a first arm, tangentially emerging from a first end of said at least one coil, and a second arm, tangentially emerging from a second end of said at least one coil, and which is configured to provide a biasing force about a centre axis of said at least one coil between said first arm and said second arm.
  • said first arm may be pivotally coupled to said second pivot axis (C) and said second arm may be pivotally coupled to said pin of said locking element, such that said centre axis of said at least one coil is arranged in parallel to said first pivot axis (B) and said second pivot axis (C).
  • said third cam surface may be formed to follow a substantially parabolic curve and convergingly joins with a top portion of said first cam surface.
  • a bottom portion of said first cam surface may seamlessly join with a start portion of said second cam surface.
  • the height-adjusting device of the present invention does not use the dishwasher appliance rack as an active part and therefore does not require it to have specific geometrical form or shape.
  • the height-adjusting device of the present invention may be designed to be attached/fixed to any suitable rack or shelf.
  • the described example embodiment relates to an assembly that allows the support and the height-adjustment of a shelf or rack, in particular, a rack of a dishwasher appliance.
  • the assembly is generally composed of two symmetrical pairs of height-adjusting devices, one for the left side and the other one for the right side of the rack, however, it is understood that it is sufficient to describe the basic concept of the present invention with reference to only one of the two height-adjusting devices. Further, it is understood that the example embodiment of the height-adjusting device described may also be used to adjust the height of shelves in other household appliances, such as, for example, refrigerators.
  • the terms 'connected', 'attached', 'coupled', 'mounted' are intended to include direct connections between two members without any other members interposed therebetween, as well as, indirect connections between members in which one or more other members are interposed therebetween.
  • the terminology includes the words specifically mentioned above, derivatives thereof, and words of similar import.
  • One or more rack(s) 12 may be housed inside the chamber 10 and may be movable with respect to the chamber 10 in a horizontal direction (indicated by the double arrow 'A') between an extracted position (i.e. as shown in Figure 1 ) and a retracted position (i.e. when moved back into the chamber 10).
  • the rack 12 may be connected to the chamber 10 by means of a pair of telescopic guides 14, of a type known per se, which allow the rack 12 to be moved in the direction 'A'.
  • the rack 12 is connected to the lateral telescopic guides 14 by means of two height-adjusting devices 16 wherein the height-adjusting devices 16 also support the rack 12 transferring the weight of the rack 12 to the lateral telescopic guides 14, as well as, adjust the vertical distance between the rack 12 and the lateral telescopic guides 14, at two or more predefined levels.
  • each one of the height-adjusting devices 16 comprises a support bracket 18 configured to operably engage with a corresponding lateral guide 14.
  • the support bracket 18 may be provided with a pair of wheels 20 adapted to slidably engage with a corresponding lateral guide 14.
  • the support bracket 18 may be formed by a body elongated in the horizontal direction 'A'.
  • the support bracket 18 further comprises a main vertical guide 22 formed for example by two L-shaped projections 24 facing each other.
  • the support bracket 18 has an upper contact surface (i.e. upper edge) 26 and a lower edge 27, the function of which will become clear below.
  • the support bracket 18 may also comprise an auxiliary vertical guide 28 having a C-shaped cross section that is arranged at a distance from the main vertical guide 22 in the horizontal direction 'A'.
  • the height-adjusting device 16 comprises a locking element 30 (i.e. a latch) that is hinged on the support bracket 18 at its proximal end 32 so as to allow rotation of the locking element's distal end about a horizontal pivot axis 'B'that is also perpendicular to the direction 'A' (rack extraction direction), as well as, a vertical first plane (2D) defined by the two degrees of freedom (DOF) of the rack 12 (i.e. horizontal movement 'A' and vertical movement 'V'). Furthermore, the locking element 30 has a pin 34 that is situated at the distal end thereof.
  • a locking element 30 i.e. a latch
  • a biasing member e.g. a torsion spring 100
  • a torsion spring 100 is provided so as to operably link the locking element 30 and the support bracket 18.
  • one first arm of the torsion spring 100 is pivotably attached to the pin 34 and the second arm of the torsion spring 100 is pivotably attached to the support bracket 18 at a horizontal pivot axis 'C'.
  • the pivot axis 'C' is vertically spaced apart from the pivot axis 'B' in a direction towards the upper contact surface or edge 26.
  • the functional link between the support bracket 18, the torsional spring and the pin 34 of the rotatable locking element 30 provides two stable biasing dispositions of the torsional spring 100.
  • the first biasing disposition provides a biasing force acting on the pin 34 of the locking element 30 (i.e. latch) in a direction towards a first cam surface 43 (i.e. the locking element 30 is in its engaged position)
  • the second biasing disposition provides a biasing force acting on the pin 34 of the locking element 30 (i.e. latch) in a direction opposite to the direction of the first biasing disposition (i.e. the locking element 30 is in its disengaged position).
  • the torsional spring 100 is dimensioned such that biasing force provided between the first and second arm of the torsion spring is sufficiently greater than the force provided by the weight of the locking element 30.
  • the height-adjusting device 16 further comprises a sliding bracket 38 provided with fixing formations 40 for fixing it to the side wall of the rack 12.
  • the sliding bracket 38 has a reverse cam surface 42 configured to operably engage with the pin 34 of locking element 30 during use.
  • the reverse cam surface 42 comprises three distinct sections, a first cam surface 43 on one side, having two vertically spaced apart locking seats 44 arranged to form a sawtooth profile with inclined sections 46 situated vertically above respective locking seats 44, a third cam surface 48 on a side opposite the first cam surface 43, formed as a continuous wall surface following a parabolic curve and convergingly joining with the top end of the first cam surface 43, and a second cam surface 47, continuing from a bottom end of the first cam surface 43 and which is configured to downwardly 'guide' and rotate the pin 34 away from the first cam surface 43 until the pin 34 (i.e.
  • the intended toggle plane 'T' is a 2-dimensional plane that is perpendicular to the first plane and which passes through pivot axis 'B' and 'C'.
  • the sliding bracket 38 is configured to slidingly engage with the vertical guide 22 of the support bracket 18 so as to allow 'free' sliding movement in a vertical direction (i.e. 1 DOF) relative to the support bracket 18.
  • the sliding bracket 38 may generally have the form of a thin plate with two parallel lateral flanks that are adapted to engage slidably with the L-shaped projections 24 of the vertical guide 22.
  • the sliding bracket 38 has an upper wall 50 configured to abuttingly engage with the upper surface 26 of the support bracket 18, so as to function as a stopper for the sliding bracket 38 when moving into the lowermost position of the rack 12.
  • the sliding bracket 38 may comprise an additional wall 54 provided between the first cam surface 43 and the third cam surface 48, and which is configured to prevent the locking element 30 from rotating into its disengaged position while still operably engaged with the first cam surface and before engaging with the second cam surface 47.
  • the height-adjusting device 16 may further comprise an auxiliary bracket 58 that is horizontally spaced apart from the sliding bracket 38 (along direction 'A') and adapted to slidably engage with an auxiliary guide 28 provided on support bracket 18.
  • the auxiliary bracket 58 is provided with fixing formations for fixing it to a horizontal bar 13 of the side wall of the rack 12.
  • the horizontal bar 13 of the rack 12 that is fixedly engaged with the auxiliary bracket 58 may also form an upper stop 60 adapted to rest on the upper surface of the auxiliary guide 28 when the rack 12 is in the lowermost position.
  • the auxiliary bracket 58 is to provides a greater stability to the rack 12 when in a raised position.
  • Figure 4(a) shows the rack 12 and the height-adjusting device 16 in its lowermost position.
  • the upper wall 50 of the sliding bracket 38 rests on the upper contact surface 26 of the support bracket 18.
  • the horizontal bar 13 of the rack 12 with which the auxiliary bracket 58 is engaged rests on the upper surface of the auxiliary guide 28.
  • the pin 34 of the locking element 30 is situated in an upper vertex formed by the top portion of the first cam surface 43 and the end portion of the third cam surface 48, and with the torsional spring 100 pushing the pin 34 toward the first cam surface 43 (i.e. engaged position).
  • the pin 34 is rotated by inclined surface 46 so as to push the pin 34 closer to the toggle plane 'T' and compress the first and second arm of the torsional spring 100 until the pin has passed the locking seat 44 (see Figure 5(c) ) at which point the locking element 30 rotates back about the pivot axis 'B' and into engagement with the first cam surface 43.
  • the sudden release of the compressed torsional spring 100 will snap the pin 34 onto the first surface cam 43 and generate an audible clicking noise providing the user with an audible feedback that the rack 12 has reached one of the locking positions.
  • the pin 34 engages with the locking recess 36 on the support bracket 18 and the locking seat 44 on the sliding bracket 38 at the same time.
  • the pin 34 When the pin 34 is engaged in this way, it prevents reverse movement of the sliding bracket 38 back into its previous position, therefore, locking the rack 12 at this new vertical position.
  • the pin 34 of the locking element 30 acts as a bolt and is clamped between the engaging locking seat 44 of the sliding bracket 38 and the locking recess 36 of the support bracket 18 keeping the rack 12 stably in the selected adjustment position.
  • Figures 5(d) and (e) illustrate a repeat of the operation illustrated in Figures 5(b) and (c) but moving the rack 12 into a second vertical adjustment position (i.e. a vertical position of the rack 12 that is higher than the previous one).
  • the number of vertical adjustment positions i.e. vertical locking positions
  • the height-adjusting device 16 comprises two locking seats 44 so as to provide for three different heights of the rack 12 (i.e. lowermost position, first locking seat 44 and second locking seat 44).
  • an audible clicking noise provides confirmation that a new height level has been reached and locked.
  • a window 70 may be provided on the sliding bracket 38 in the region of each one of the locking seats 44 so as to provide the user with a visual confirmation that the pin 34 is locked in a particular locking seat 44 (visual check of the height level).
  • the rack 12 In order to move the rack 12 back into its lowermost position, the rack 12 must first be unlocked by grabbing and pulling the rack 12 upwards into its top position (upmost position). As shown in Figure 5(f) , during this operation, the pin 34 is moved out of engagement with the locking seat 44 and into sliding engagement with the second cam surface 47 where the pin 34 is moved towards and past toggle plane 'T'. At the point where the pin 34 crosses toggle plane 'T', the first arm of the torsional spring 100 is also moved passed toggle plane 'T' moving the torsion spring 100 into a second biasing disposition where the first arm of the torsion spring 100 pushes and biases the locking element 30 towards the third cam surface 48.
  • the toggling action of the locking element 30 and torsion spring 100 generates another audible clicking noise providing the user with an audible feedback confirming that the sliding bracket 38 and rack 12 have been unlocked to be moved back to the bottom position (see Figures 5(f)-(g) ).
  • two teeth 66 are provided at the bottom edge of the sliding bracket 38 that are configured to abuttingly engage with respective seats 68 formed at the bottom edge of the support bracket 18 (see Figure 5(g) ).
  • a horizontal groove may be provided on the sliding bracket 38 that will become visible when the support bracket 18 reaches a stable (i.e. locked) height level.
  • a level number may also be provided above each one of these grooves so as to improve the ease of use when trying to position the two sides of the rack 12 on the same level.
  • a spyhole 72 may be provided on the support bracket 18 (e.g. indicated by an arrow) to allow the user to inspect the pin 34 of the locking element 30 when in a locking position.
  • the locking element 30 may be made of a different material and/or has a color that differs from the material and/or color of the support bracket 18, so as to further improve detectability of the locking element's 30 position though the spyhole 72.
  • the sliding bracket 38 may comprise several spyholes 70, e.g. one for each stable position, through which the user can inspect the position of the pin 34.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Legs For Furniture In General (AREA)

Claims (9)

  1. Höhenverstellvorrichtung für Regale von Geräten, insbesondere für Geschirrspülmaschinengestelle, aufweisend:
    ein Trägerelement (18), das eine im Wesentlichen ebene Fläche mit einer oberen Kante (26) und einer unteren Kante (27) definiert und sich in Gebrauch in einer im Wesentlichen vertikalen ersten Ebene erstreckt;
    ein Verriegelungselement (30) mit einem proximalen Ende, das mit dem Trägerelement (18) an einer ersten Schwenkachse (B) angelenkt ist, die senkrecht zu der ersten vertikalen Ebene und in Richtung der unteren Kante (27) vorgesehen ist, und mit einem distalen Ende, das einen Stift (34) hat, der über ein Vorspannelement (100) mit einer zweiten Schwenkachse (C) wirkverbunden ist, die vertikal von der ersten Schwenkachse (B) in Richtung zu der oberen Kante (26) beabstandet ist und die senkrecht zu der ersten vertikalen Ebene verläuft, wobei das Verriegelungselement (30) so konfiguriert ist, dass es sich um die Schwenkachse (B) relativ zu dem Trägerelement (18) zwischen einer eingegriffenen Position und einer getrennten Position bewegt, die der eingegriffenen Position relativ zu einer zweiten Ebene (T) entgegengesetzt ist, die senkrecht zu der ersten Ebene verläuft und die erste Schwenkachse (B) und die zweite Schwenkachse (C) enthält;
    ein Halterungselement (38), das gleitbar mit dem Trägerelement (18) verbindbar ist, um eine vertikale Bewegung des Halterungselements (38) relativ zu dem Trägerelement (18) zwischen einer oberen Position und einer unteren Position zu ermöglichen, aufweisend:
    eine erste Nockenfläche (43), die zumindest einen Verriegelungssitz (44) hat, der so konfiguriert ist, dass er, wenn er sich in der eingegriffenen Position befindet, mit dem Stift (34) des Verriegelungselements (30) verriegelnd in Eingriff kommt, wenn das Halterungselement (38) aus der oberen Position in Richtung der unteren Position bewegt wird;
    eine zweite Nockenfläche (47), die so konfiguriert ist, dass sie mit dem Stift (34) des Verriegelungselements (30) in Wirkeingriff kommt, um das Verriegelungselement (30) aus der eingegriffenen Position in die getrennte Position zu bewegen und das Vorspannelement (100) aus einer ersten Vorspannungsanordnung, in der das Verriegelungselement (30) in Richtung der ersten Nockenfläche (43) vorgespannt ist, in eine zweite Vorspannungsanordnung zu wechseln, in der das Verriegelungselement (30) von der ersten Nockenfläche (43) weg vorgespannt ist, wenn das Halterungselement (38) in die obere Position bewegt wird, und
    eine dritte Nockenfläche (48), die so konfiguriert ist, dass sie mit dem Stift (34) des Verriegelungselements (30) in Führungseingriff kommt, um das Verriegelungselement (30) aus der getrennten Position in die eingegriffene Position zu bewegen und das Vorspannelement (100) aus der zweiten Vorspannungsanordnung in die erste Vorspannungsanordnung zu wechseln, wenn das Halterungselement (38) aus der oberen Position in die untere Position bewegt wird.
  2. Höhenverstellvorrichtung nach Anspruch 1, wobei die erste Nockenfläche (43) eine Vielzahl von Verriegelungssitzen (44) aufweist, die entlang der ersten Nockenfläche (43) beabstandet sind, wobei jeder so konfiguriert ist, dass er mit dem Stift (34) des Verriegelungselements (30), wenn dieser in der eingegriffenen Position ist, verriegelnd in Eingriff kommt.
  3. Höhenverstellvorrichtung nach Anspruch 2, wobei die erste Nockenfläche (43) ferner eine Vielzahl von geneigten Flächen (46) aufweist, wobei jede vertikal über einem entsprechenden der Vielzahl von Verriegelungssitzen (44) angeordnet ist, die so konfiguriert sind, dass sie in Gebrauch gleitend mit dem Stift (34) des Verriegelungselements (30) in Eingriff kommen, wenn das Halterungselement (38) in Richtung der oberen Position bewegt wird.
  4. Höhenverstellvorrichtung nach einem der vorhergehenden Ansprüche, wobei das Halterungselement (38) ferner ein oberes Anschlagelement (50) aufweist, das so ausgelegt ist, dass es an der oberen Kante (26) des Trägerelements (18) anliegt, wenn es sich in der unteren Position befindet.
  5. Höhenverstellvorrichtung nach einem der vorhergehenden Ansprüche, wobei das Trägerelement (18) ferner eine vertikale Nebenführung (28) aufweist, die gleitend mit einem Nebenhalterungselement (58) verbindbar ist.
  6. Höhenverstellvorrichtung nach einem der vorhergehenden Ansprüche, wobei das Vorspannelement (100) eine Torsionsfeder ist, die durch zumindest eine Spule mit einem ersten Arm, der tangential von einem ersten Ende der zumindest einen Spule ausgeht, und einem zweiten Arm, der tangential von einem zweiten Ende der zumindest einen Spule ausgeht, ausgebildet und so konfiguriert ist, dass sie eine Vorspannkraft um eine Mittelachse der zumindest einen Spule zwischen dem ersten Arm und dem zweiten Arm vorsieht.
  7. Höhenverstellvorrichtung nach Anspruch 6, wobei der zweite Arm schwenkbar mit der zweiten Schwenkachse (C) verbunden ist und der erste Arm schwenkbar mit dem Stift (34) des Verriegelungselements (30) verbunden ist, sodass die Mittelachse der zumindest einen Spule parallel zu der ersten Schwenkachse (B) und der zweiten Schwenkachse (C) angeordnet ist.
  8. Höhenverstellvorrichtung nach einem der vorhergehenden Ansprüche, wobei die dritte Nockenfläche (48) so ausgebildet ist, dass sie einer im Wesentlichen parabolischen Kurve folgt, die sich konvergierend mit einem oberen Abschnitt der ersten Nockenfläche (43) verbindet.
  9. Höhenverstellvorrichtung nach einem der vorhergehenden Ansprüche, wobei ein unterer Abschnitt der ersten Nockenfläche (43) nahtlos mit einem Anfangsabschnitt der zweiten Nockenfläche (47) verbunden ist.
EP20169298.5A 2020-04-14 2020-04-14 Höhenverstellvorrichtung für regale von geräten Active EP3895596B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL20169298.5T PL3895596T3 (pl) 2020-04-14 2020-04-14 Mechanizm do regulacji wysokości półek urządzeń
EP20169298.5A EP3895596B1 (de) 2020-04-14 2020-04-14 Höhenverstellvorrichtung für regale von geräten
PCT/US2021/025952 WO2021211327A1 (en) 2020-04-14 2021-04-06 A height-adjusting device for shelves of appliances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20169298.5A EP3895596B1 (de) 2020-04-14 2020-04-14 Höhenverstellvorrichtung für regale von geräten

Publications (2)

Publication Number Publication Date
EP3895596A1 EP3895596A1 (de) 2021-10-20
EP3895596B1 true EP3895596B1 (de) 2023-08-09

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EP20169298.5A Active EP3895596B1 (de) 2020-04-14 2020-04-14 Höhenverstellvorrichtung für regale von geräten

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EP (1) EP3895596B1 (de)
PL (1) PL3895596T3 (de)
WO (1) WO2021211327A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20019706U1 (de) * 2000-11-20 2001-01-18 Hachtel, Steffen, 73650 Winterbach Vorrichtung zur Höhenverstellung der oberen Geschirrkörbe von Spülmaschinen
US20060237042A1 (en) * 2005-04-25 2006-10-26 Viking Range Corporation Rack adjustment mechanism for an article cleaning apparatus
ITTO20080436A1 (it) * 2008-06-06 2009-12-07 Itw Ind Components S R L Co N Dispositivo di supporto regolabile in altezza per un elemento interno di appoggio di un elettrodomestico, quali un cestello lavastoviglie o un piano frigo
US8840201B2 (en) * 2012-05-10 2014-09-23 General Electric Company Height adjustment mechanism for a rack assembly of an appliance
IT201700040098A1 (it) 2017-04-11 2018-10-11 Illinois Tool Works Dispositivo di regolazione dell'altezza per ripiani di elettrodomestici, in particolare per cesti di lavastoviglie

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EP3895596A1 (de) 2021-10-20
PL3895596T3 (pl) 2024-02-19
WO2021211327A1 (en) 2021-10-21

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