This application claims priority to Brazilian Patent Application No. BR 10 2017 009967 9, filed May 11, 2017, entitled “Household Appliance Comprising Shelf Arrangement,” the disclosure of which is incorporated herein by reference in its entirety.
The objects summarized above are fully achieved by a household appliance comprising a multifunctional shelf arrangement, including a shelf having a frame that is physically associated to the walls of an internal box by shelf rails. The frame includes lateral, front and rear portions, at least one accessory physically associated to the shelf by accessory rails defining at least one track for displacement of the accessory. The frame comprising a plurality of receiving structures and the accessory rails with fitting projections which cooperate directly with the receiving structures of the frame so the accessory rails are removably fit to the receiving structures.
More specifically, the receiving structures are arranged adjacent to the side portions and/or front and rear portions of the frame so as to extend transversely inward from the respective side portions and/or front and rear portions of the frame. The receiving structures are defined by an opening contour that outlines an opening wherein at least one locking hole is provided in the opening contour. Further, each projection for fitting the accessory rails includes at least one main portion which, when the accessory rail is assembled, extends in the direction of the opening and at least one quick-fitting latch able to engage the locking hole, the at least one quick-fitting latch extending transversely from the main portion.
In addition, at least two side accessory rails engage the side receiving frames mounted adjacent to the side portions of the frame and at least one central accessory rail engages with central receiving structures mounted adjacent to the front and rear portions of the frame.
In at least one instance, each side and center accessory rail comprises, respectively, at least one upper flange and at least one lower flange joined together by a main accessory rail wall, wherein at least one track per each one defined is arranged in the space adjacent to, respectively, at least one upper flange, at least one lower flange, and the main accessory rail wall, wherein each side accessory rail comprises respective main portions of the respective fitting projections extending transversely from its respective main accessory rail wall and each accessory central rail comprises main portions of the respective fitting projections extending longitudinally from the front and rear ends of its respective upper flange.
Each side receiving structure may include at least one bulkhead extending transversely from its respective opening contour, the bulkhead being able to seat the main accessory rail wall of the respective side accessory rail. In addition, it is noted that at least the main portions of the side accessory rails are defined by respective circumferential walls which delimit respective adjustment grooves. Optionally, at least one of the lateral or central accessory rails comprises, at its respective upper flange and/or lower flange, an accessory rail protrusion is able to engage with an accessory groove provided in the accessory, so as to provide secure fitting between the two in retracted position of the accessory. The frame may be made of a first polymeric material and the accessory rails may be made of a second polymeric material.
Furthermore, it is also expected that at least one of the walls of the internal box includes a respective recessed area delimited by at least one upper and one lower edge, with the recessed area receiving a respective side portion of the frame. The recessed area comprising a larger shoulder projecting into the interior of the internal box and extending parallel to the respective side portion of the frame, the larger shoulder comprising a middle portion and a recess extending from a first stopper to a second stopper. In this regard, at least one of the shelf rails is defined at least by the combination of the recessed area and the larger shoulder.
Furthermore, according to this proposal, at least one of the side portions of the frame includes the respective coupling profile which projects downward from the lower side of the side portion and extends in a direction parallel to that side portion; the coupling profile including, in a middle portion, locking projections with the coupling profile being able to engage the larger shoulder while the locking projections are able to be arranged in the recess, each juxtaposed with one of the first and second stoppers.
These and other features, advantages, and objects of the present disclosure will be further understood and appreciated by those skilled in the art by reference to the following specification, claims, and appended drawings.
Further advantages and features according to the present disclosure will become clear from the following detailed description provided as a non-limiting example, with reference to the attached drawings.
The disclosure in question will be specified in detail on the basis of the following illustrative figures, of which:
The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles described herein.
The present disclosure refers to a refrigeration appliance and, more specifically, to a refrigeration appliance with a multifunctional shelf arrangement.
Many refrigerator models (refrigerators, freezers, etc.) include shelves on which to place items, which in addition to having sufficient strength to support the weights of items, may also include different characteristics designed for purposes of usability, practicality, and aesthetics, among other attributes. To satisfy the demand for an aesthetically attractive product and for easier maintenance, it has become increasingly common to use glass shelves, for example, which generally include a frame that allows them to fit into support elements within the refrigerator compartment.
In some designs, the support elements, which may take the form of shoulders or rails, are integrally formed with the side walls of the refrigerator compartment during the molding of the internal box of the refrigerator cabinet. In other designs, the support elements are manufactured separately and subsequently fastened to the walls of the compartment using any suitable process known in the art. At the same time, due to demands for quality and/or practicality, we point out the existence, in the state of the art, of a plurality of accessories for support and storage of the most varied types of items, for example, can-holder drawers, wine-bottle compartments, large drawers for fruits and vegetables, and egg-door compartments, among others, each with its own particularities.
Sometimes such accessories, as well as the shelves themselves, may also be displaced (alternating between a retracted position and a position of use) with regard to the structure to which they are physically associated, i.e. the internal refrigerator box itself, a shelf, or any other structure. In particular, due to their relevance to the present description, the movable accessories physically associated with shelves are pointed out.
Traditional constructions include shelf arrangements to which drawers and/or other movable accessories are physically associated with regard to their respective shelves by integrated rails, i.e. by non-modular rails. Problems can arise in relation to the provision of accessory rails in the shelf frame. The accessory rails end up being defined when the injection molding of the frame is carried out, so that both the shelf frame (or the shelf as a whole) and the rails associated with it are made of a single material, usually ABS polymer, due to its finishing quality (aesthetics). Use of the ABS polymer for the manufacture of the rails may not be exactly desirable in some instances, since this polymer does not have self-lubricating properties, which causes excessive wear of the rails in the long term, affecting the user perception of quality in what concerns the product.
With regard to the provision of physically movable accessories associated with refrigerator shelves, traditional constructions have the disadvantages of presenting complex and/or low quality, and/or less cost-effective methods of mounting the accessory rails along the respective shelves, as well as mounting the shelves themselves along the internal refrigerator box.
Therefore, in light of the foregoing, even though the solutions described above prove to be functional for the purposes for which they were designed, it is noted that there is still a gap in the state of the art regarding the provision of an arrangement which includes modular rails capable of holding a movable accessory, the arrangement being able to be securely mounted to the internal refrigerator box or the like, besides being simple, reliable and cost-effective.
Thus, one object of this disclosure is to provide a shelf arrangement that includes modular rails for mounting movable accessories on the shelves. Another object of this disclosure is to provide a shelf arrangement that includes secure fitting between the modular rails and the shelf itself, as well as between the shelf itself and the internal refrigerator box or the like. Another object is to describe a simple, inexpensive and high durability solution that is feasible for a variety of applications.
The present illustrated embodiments reside primarily in combinations of method steps and apparatus components related to a household appliance comprising a shelf arrangement. Accordingly, the apparatus components and method steps have been represented, where appropriate, by conventional symbols in the drawings, showing those specific details that are pertinent to understanding the embodiments of the present disclosure so as not to obscure the disclosure with details that will be readily apparent to those of ordinary skill in the art having the benefit of the description herein. Further, like numerals in the description and drawings represent like elements.
For purposes of description herein, the terms “upper,” “lower,” “right,” “left,” “rear,” “front,” “vertical,” “horizontal,” and derivatives thereof shall relate to the disclosure as oriented in
The terms “including,” “comprises,” “comprising,” or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by “comprises a . . . ” does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
With reference now to the figures, an appliance comprising a multi-functional shelf arrangement is displayed, including a shelf 10 comprising a frame 20 physically associated with walls 31 of an internal box 30 by shelf rails 40, the frame 20 enveloping a glass plate 80 through its side portions 21, front portion 22 and rear portions 23. Furthermore, the shelf arrangement includes at least one accessory 50 physically associated with the shelf 10 by accessory rails 60 defining at least one track 70 for displacement of the accessory 50 by its accessory frame 55.
Specifically, in accordance with this disclosure, the frame 20 comprises a plurality of receiving structures 24 and the accessory rails 60 comprise fitting projections 90, which cooperate directly with the receiving structures 24 of the frame 20, so that the accessory rails 60 are removably fit to the latter.
Thus, one of the objects of the disclosure is already achieved, namely, the modularity of the accessory rails 60 with respect to the shelf 10 to which they are associated. This modularity of the accessory rails 60 is interesting because it allows the accessory rails 60 to be made of a material different from the material of the shelf 10.
In particular, it is noted that the accessory rails 60 may be made of a polymer material, such as polypropylene (PP) or polyacetal (PA), because of their self-lubricating properties, and the frame 20 may be made of another polymeric material, such as ABS, due to its high quality finishing. The molding of the accessory rails 60 in PP or PA guarantees low wear and therefore high durability of the accessory rails 60, in addition to diminishing any noises when the accessories 50 are moved along the accessory rails 60, increasing the perceived quality of the product by the user.
Furthermore, the direct interaction between the accessory rails 60 and the frame 20, by way of the projections 90 and the receiving structures 24, eliminates any need for an intermediate element or interface between the accessory rail 60 and the frame 20, making the arrangement of the present disclosure quite simple.
In order to enable such direct interaction, the receiving structures 24 are arranged adjacent to the side portions 21 and/or the front portion 22 and the rear portion 23 of the frame 20 so as to extend transversely inward from the respective side portions 21 and/or front portion 22 and rear portion 23 of the frame 20. It should be noted that the “inward” direction is to be understood as the direction toward the respective opposing portion of the frame 20.
In other words, and in accordance with the achievement of the disclosure, some receiving structures 24 are arranged adjacent to side portions 21 opposite from the frame 20, so as to form pairs in which each of the receiving structures 24 face each other while other receiving structures 24 are arranged adjacent to the front portion 22 and along the rear portion 23 of the frame 20, so as to form at least one pair in which each of the receiving structures 24 are facing each other.
With the arrangement of the receiving structures 24 defined, it is possible to describe the format. In this sense, the receiving structures 24 are defined by an opening contour 241 which outlines an aperture 242 of a given gauge, with at least one locking hole 243 provided in the opening contour 241.
In parallel, each engaging projection 90 of the accessory rails 60 comprises at least one main portion 91 and at least one quick-fitting latch 92 extending transversely from the respective main portion 91. When its accessory rail 60 is assembled, at least one main portion 91 extends toward the aperture 242 so as to be housed within the latter, while at least one quick-fitting latch 92 engages with the locking hole 243. These details will be specified below.
In this way, a quick and secure engagement mechanism is provided between the frame 20 and the attachment rail 60, by respective receiving structures 24 and engaging projections 90 achieving another of the objectives of the disclosure.
In order to enable the possibility of various types of accessories 50, each with its own functionality, the disclosure in question allows for the provision of at least two side accessory rails 61 which engage with side receiving structures 245 arranged adjacent to the side portion 21 of the frame 20 and at least one central accessory rail 62 which engages with the central receiving structures 244 arranged along the front portion 22 and rear portion 23 of the frame 20 so as to define at least three accessory rails 60 arranged parallel to one another. Alternatively, more central accessory rails 62 could be provided as long as an adequate amount of central receiving structures 244 are also provided along the front portion 22 and the rear portion 23 of the frame 20.
More specifically, and in accordance with the achievement of the disclosure, two side receiving structures 245 are provided in a side portion 21 of the frame 20 and two other side receiving structures 245 in the opposing side portion 21. Likewise, two side accessory rails 61 are provided, each comprising two fitting projections 90, which cooperate with respective side receiving structures 245 arranged in the same side portion 21 of the frame 20.
Also, each side and central accessory rail 61, 62 comprised respectively, at least one upper flange 63 and at least one lower flange 64 joined together by a main accessory rail wall 65, with at least one track 70 arranged in the space adjacent to, at least, the upper flange 63, lower flange 64, and main accessory rail wall 65.
In this regard, it should be noted that the shape of the cross section of the side accessory rails 61 is analogous to the letter “C,” while the shape of the cross section of the central accessory rail 62 is analogous to the letter “I.” Thus, while each side accessory rail 61 defines a single track 70, each central accessory rail 62 defines two tracks 70. In the achievement of the disclosure, in which exactly three accessory rails 60 are provided, the central accessory rail 62 is therefore made up of a track 70 facing one of the side accessory rails 61 and also another track 70 facing another of the side accessory rails 61.
In addition, it is also pointed out that each side accessory rail 61 comprises respective main portions 91 of engaging projections 90 extending transversely from its respective main accessory rail wall 65 in the front and rear regions and each central accessory rail 62 comprises respective main portions 91 of engaging projections 90 extending longitudinally from the front and rear ends of their respective upper flanges 63.
Also, in accordance with the achievement of the disclosure, at least the main portions 91 of the side accessory rails 61 are defined by respective circumferential walls 93 which delimit respective adjustment grooves 94. Thus, as it is apparent from the figures, the main portions 91 of the side accessory rails 61 may assume a substantially rectangular contour “defining a hollow interior,” wherein the circumferential walls 93 comprises dimensions analogous to the gauges of the respective apertures 242, so that there is a tight fitting between the circumferential walls 93 (or of the engaging projections 90 as a whole) and the respective apertures 242 of the side receiving structures 245 that is, by interference.
At the same time, it should be noted that the quick-fitting latch 92 includes a beveled rectangular shape, defining a kind of ramp that facilitates its sliding along the opening contour 241 as described in detail below.
This way, as respective main portions 91 of engaging projections 90 enter the aperture 242, the quick-fitting latch 92, moving juxtaposedly to the opening contour 241, is depressed so that the opening contour 241 forces both the quick-fitting latch 92 and the respective circumferential wall 93 of the main portion 91 to deform until the respective quick-fitting latch 92 encounters the locking hole 243 and its circumferential wall 93 can resume its original shape. It is precisely because of the need for such deformation of the circumferential walls 93 that the adjustment groove 94 is provided.
It should be noted that such a tight fit between engaging projections 90 and receiving structures 24 eliminates gaps and, consequently, reduces noise when the accessory 50 is displaced, i.e. upon the opening and closing of this accessory 50.
Optionally, each side receiving structure 245 includes at least one bulkhead 246 extending transversely from its respective opening contour 241, the bulkhead 246 being able to seat the main accessory rail wall 65 of the respective side accessory rail 61. This optional element, the bulkhead 246, ultimately increases the contact area between the side receiving structure 245 and the main accessory rail wall 65, facilitating engagement with the respective fitting projection 90 when mounting the side accessory rail 61, as well as providing a better grip and therefore helping to ensure correct positioning of the side accessory rail 61, even when the accessory 50 slides along its track 70, ensuring better functioning of the assembly, as well as less wear of the parts involved.
Also optionally, at least one of the accessory rails 60 includes, at its respective upper 63 and/or lower 64 flange, an accessory rail shoulder 66 able to engage with an accessory groove 56 provided in the accessory 50, to provide for secure engagement between them when the accessory 50 is in the retracted position.
On the other hand, for purposes related to the secure fitting between the shelf 10 and the internal box 30, it is expected that at least one of the walls 31 of the internal box 30 includes a respective recessed area 32 delimited by at least one upper edge 321 and a lower edge 322, with the recessed area 32 receiving a respective side portion 21 of the frame 20; the recessed area 32 comprising, in a middle area, a larger shoulder 33 projecting into the internal box 30 and extending parallel to the respective side portion 21 of the frame 20, with the larger shoulder 33 comprising a middle portion and a recess 331 extending from a first stopper 332 to a second stopper 333.
Particularly, according to this achievement, at least one of the side portions 21 of the frame 20 includes the respective coupling profile 212 which projects downward from the lower side 211 of the side portion 21 and extends in a direction parallel to that side portion 21, the coupling profile 212 including locking lugs 213 in a middle portion.
Thus, the coupling profile 212 is able to engage the larger shoulder 33 and the locking lugs 213 are able to be arranged in the shoulder 33, each juxtaposed to one of the first and second stoppers 332, 333. In this way, when fitting the shelf 10 into the shelf rail 40, the user has sensory feedback as to the secure fit between these elements, precisely because of the click made when the locking projections are juxtaposed with the respective first and second stoppers 332, 333.
It is to be noted that the coupling profile 212 extends along the longer portion of the respective side portion 21 so as to have a significant extension. Likewise, the larger shoulder 33 also extends over much of the recessed area 32 so as to increase the area of contact between the coupling profiles 212 and the larger shoulder 33 and, consequently, ensure adherence and a secure fit between these elements.
In this case, it is pointed out that the at least one of the shelf rails 40 is defined at least by the combination of the recessed area 32 and the larger shoulder 33. The shelf rail 40, even while being defined in this manner, may even be made according to known techniques, that is, molded together with the internal box 30 of the appliance or separately and subsequently attached by any suitable process.
Additionally and optionally, to further improve the positioning/mounting of the shelf 10 adjacent to the respective shelf rail 40, a smaller shoulder 34 may be provided adjacent to the upper edge 321 at the rear, i.e. closer to the bottom of the internal box 30.
Finally, to exemplify some of the features that the disclosure provides, it is pointed out that the accessory 50 may assume the configuration of a fruit and vegetable drawer 51, as well as a configuration of wires arranged in a parallel fashion supporting a curved plastic plate for placing bottles, defining a wine bottle holder 52 or, as another option, small drawers 53 for storing the most varied types of articles. Each type of accessory 50, regardless of its particular configuration, also includes the accessory frame 55 which engages with respective tracks 70 defined by the accessory rails 60.
It is important to note that the sole objective of the above description is to describe in an exemplary manner a particular achievement of the disclosure in question. Nevertheless, it is clear that modifications, variations and constructive combinations of elements performing the same function in substantially the same manner to achieve the same results, remain within the scope of protection delimited by the appended claims.
It will be understood by one having ordinary skill in the art that construction of the described disclosure and other components is not limited to any specific material. Other exemplary embodiments of the disclosure disclosed herein may be formed from a wide variety of materials, unless described otherwise herein.
For purposes of this disclosure, the term “coupled” (in all of its forms, couple, coupling, coupled, etc.) generally means the joining of two components (electrical or mechanical) directly or indirectly to one another. Such joining may be stationary in nature or movable in nature. Such joining may be achieved with the two components (electrical or mechanical) and any additional intermediate members being integrally formed as a single unitary body with one another or with the two components. Such joining may be permanent in nature or may be removable or releasable in nature unless otherwise stated.
It is also important to note that the construction and arrangement of the elements of the disclosure as shown in the exemplary embodiments are illustrative. Although only a few embodiments of the present innovations have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited. For example, elements shown as integrally formed may be constructed of multiple parts or elements shown as multiple parts may be integrally formed, the operation of the interfaces may be reversed or otherwise varied, the length or width of the structures and/or members or connector or other elements of the system may be varied, the nature or number of adjustment positions provided between the elements may be varied. It should be noted that the elements and/or assemblies of the system may be constructed from any of a wide variety of materials that provide sufficient strength or durability, in any of a wide variety of colors, textures, and combinations. Accordingly, all such modifications are intended to be included within the scope of the present innovations. Other substitutions, modifications, changes, and omissions may be made in the design, operating conditions, and arrangement of the desired and other exemplary embodiments without departing from the spirit of the present innovations.
It will be understood that any described processes or steps within described processes may be combined with other disclosed processes or steps to form structures within the scope of the present disclosure. The exemplary structures and processes disclosed herein are for illustrative purposes and are not to be construed as limiting.
It is also to be understood that variations and modifications can be made on the aforementioned structures and methods without departing from the concepts of the present disclosure, and further it is to be understood that such concepts are intended to be covered by the following claims unless these claims by their language expressly state otherwise.
Number | Date | Country | Kind |
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1020170099679 | May 2017 | BR | national |
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Number | Date | Country | |
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20180328653 A1 | Nov 2018 | US |